CN210141268U

CN210141268U - T-arm straight-arm rotating crankshaft device

Info

Publication number: CN210141268U
Application number: CN201920063347.9U
Authority: CN
Inventors: 于灵芝
Original assignee: Lanxi Hongke Network Technology Co ltd
Current assignee: Lanxi Hongke Network Technology Co ltd
Priority date: 2019-01-15
Filing date: 2019-01-15
Publication date: 2020-03-13
Anticipated expiration: 2029-01-15

Abstract

The utility model discloses a T-arm straight-arm rotating crankshaft device, which comprises a T-arm, wherein the T-arm is fixed with a rotating shaft through a screw, and the T-arm and the rotating shaft rotate simultaneously; the T-arm front connecting column and the T-arm rear connecting column are fixed with the T arm, wherein the T-arm front connecting column and the T-arm rear connecting column are fixed with the T arm through interference fit; the T-arm front connecting column is connected with the T-arm front locking lock, wherein the T-arm front connecting column is matched with the T-arm front locking lock through a waist-round hole; the T arm rear connecting column is connected with the T arm rear locking, wherein the T arm rear connecting column is matched with the T arm rear locking. The utility model adopts the seizure locking of the thrust of the crankshaft, the locking force is strong, and the accidental rotation which is possibly caused by the manual heavy pushing does not exist; the plastic brake pad is not arranged, so that consumable parts which are easy to wear are not arranged, and the replacement and maintenance are almost impossible in the valid period of the product; mutual friction between the parts hardly occurs and the degree of mechanical wear is low.

Description

T-arm straight-arm rotating crankshaft device

Technical Field

The utility model relates to a T arm rotary device, in particular to T arm straight arm rotary crankshaft device.

Background

The prior art generally extends two metal sheets integrated with the rotating shaft and the T-arm front locking position outwards. A spring and a plastic brake pad are additionally arranged between two extending metal sheets which are parallel to each other, the handle is sleeved in the metal sheets, and the handle is rotated to enable the two metal sheets to be in close contact with the plastic brake pad, so that the two metal sheets are locked.

The brake pad has the defects that the brake pad is fast in abrasion speed and serious in abrasion when the upper and lower metal sheets are contacted with each other for a long time, the locking effect is influenced by the fact that the handle and the metal sheets need to be screwed down to achieve the locking effect, mechanical friction is large, mechanical abrasion is serious, and the locking effect is influenced.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is to overcome prior art's defect, provide a T arm straight arm rotary crankshaft device.

In order to solve the technical problem, the utility model provides a following technical scheme:

the utility model relates to a T-arm straight-arm rotating crankshaft device, which comprises a T-arm, wherein,

the T arm is fixed with the rotating shaft through a screw, and the T arm and the rotating shaft rotate simultaneously;

the T-arm front connecting column and the T-arm rear connecting column are fixed with the T-arm, wherein,

the T-arm front connecting column and the T-arm rear connecting column are fixed with the T-arm through interference fit;

the T-arm front connecting column is connected with a T-arm front locking lock, wherein the T-arm front connecting column is matched with the T-arm front locking lock through a waist-round hole;

the T-arm rear connecting column is connected with the T-arm rear locking, wherein the T-arm rear connecting column is matched with the T-arm rear locking.

As a preferred technical scheme of the utility model, one side of only locking is provided with the eccentric shaft behind the T arm, eccentric shaft connection has the handle.

As an optimized technical scheme of the utility model, eccentric shaft cup joints the fixed plectrum of rotation angle scope.

As a preferred technical proposal of the utility model, the side of the T-arm front locking lock is provided with a rotating shaft base; and a spring is arranged on the side of the T-arm front connecting column.

The utility model discloses the beneficial effect who reaches is:

1. the crankshaft thrust is adopted for seizure locking, the locking force is high, and accidental rotation possibly caused by accidental manual strong pushing does not exist;

2. the plastic brake pad is not arranged, so that consumable parts which are easy to wear are not arranged, and the replacement and maintenance are almost impossible in the valid period of the product;

3. mutual friction between the parts hardly occurs and the degree of mechanical wear is low.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:

fig. 1 is one of the schematic structural diagrams of the present invention;

fig. 2 is a second schematic structural diagram of the present invention;

fig. 3 is a third schematic structural diagram of the present invention;

FIG. 4 is a fourth schematic structural diagram of the present invention;

FIG. 5 is a fifth schematic view of the present invention;

FIG. 6 is a sixth schematic view of the present invention;

in the figure: 1. a T arm; 2. a rotating shaft; 3. a T-arm front connecting column; 4. a T-arm rear connecting column; 5. locking the front of the T-arm; 6. locking the T arm; 7. an eccentric shaft; 8. rotating the angle range fixing plectrum; 9. a rotating shaft base; 10. a handle; 11. a spring.

Detailed Description

The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are presented herein only to illustrate and explain the present invention, and not to limit the present invention.

Examples

As shown in fig. 1-6, the utility model provides a T-arm straight-arm rotating crankshaft device, which comprises a T-arm 1, wherein the T-arm 1 is fixed with a rotating shaft 2 through a screw, and the T-arm 1 and the rotating shaft 2 rotate simultaneously; the T-arm front connecting column 3 and the T-arm rear connecting column 4 are fixed with the T-arm 1, wherein the T-arm front connecting column 3 and the T-arm rear connecting column 4 are fixed with the T-arm 1 through interference fit; the T-arm front connecting column 3 is connected with the T-arm front locking lock 5, wherein the T-arm front connecting column 3 is matched with the T-arm front locking lock 5 through a waist-round hole; the T-arm rear connecting column 4 is connected with the T-arm rear locking 6, wherein the T-arm rear connecting column 4 is matched with the T-arm rear locking 6.

Furthermore, an eccentric shaft 7 is arranged on one side of the T-arm rear locking lock 6, and the eccentric shaft 7 is connected with a handle 10; the prior art adopts the plastic brake block, utilizes the principle of increase physical friction to reach the effect of locking, and the principle that this embodiment adopted the inseparable extrusion of bent axle thrust reaches the same effect.

Specifically, the eccentric shaft 7 is sleeved with a rotation angle range fixing shifting piece 8; a rotating shaft base 9 is arranged on the side of the T-arm front locking lock 5; the side of the T-arm front connecting column 3 is provided with a spring 11; the rotating shaft 2 is sleeved in the rotating shaft base 9 and can rotate, the T arm 1 and the rotating shaft 2 are fixedly connected with each other through screws, the T arm front connecting column 3 and the T arm rear connecting column 4 are fixed on the T arm 1 through interference fit, the T arm front connecting column 3 is fixed with the T arm front locking lock 5 through a waist circular hole, the T arm rear connecting column 4 is connected with the T arm rear locking lock 6 through a waist circular hole, and the eccentric shaft 7 is connected with the handle 10. The T-arm 1 is rotated, the rotating shaft synchronously rotates 2, after the T-arm rotates to a required position, the handle 10 is rotated, the T-arm rear locking lock 6 is driven to rotate 7 within an allowable range of the fixed shifting piece 8 in the range of the rotating angle, the eccentric shaft 7 pushes the T-arm rear locking lock 6 to move forwards, and when the handle 10 rotates to the maximum position, the T-arm rear locking lock 6 pressurizes the spring 11 and is tightly contacted and bitten with the rotating shaft 2, so that the locking effect is achieved. When the handle is released, the T-arm rear latch 6 is pushed out under the elastic deformation action of the spring 11, the T-arm rear latch 6 is separated from the rotating shaft 2, and the T-arm 1 can rotate again. And repeating the steps to achieve the purpose of free locking and unlocking.

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 may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A T-arm straight-arm rotary crankshaft device is characterized by comprising a T-arm (1),

the T-shaped arm (1) is fixed with the rotating shaft (2) through a screw, and the T-shaped arm (1) and the rotating shaft (2) rotate simultaneously;

the T-arm front connecting column (3) and the T-arm rear connecting column (4) are fixed with the T-arm (1), wherein,

the T-arm front connecting column (3) and the T-arm rear connecting column (4) are fixed with the T-arm (1) through interference fit;

the T-arm front connecting column (3) is connected with the T-arm front locking lock (5), wherein the T-arm front connecting column (3) is matched with the T-arm front locking lock (5) through a waist circular hole;

the T-arm rear connecting column (4) is connected with the T-arm rear locking lock (6), wherein the T-arm rear connecting column (4) is matched with the T-arm rear locking lock (6).

2. A T-arm straight-arm rotating crankshaft device according to claim 1, characterized in that one side of the T-arm back latch (6) is provided with an eccentric shaft (7), and the eccentric shaft (7) is connected with a handle (10).

3. A T-arm straight-arm rotary crankshaft device according to claim 2, characterized in that the eccentric shaft (7) is sleeved with a fixed plectrum (8) of the rotation angle range.

4. The T-arm straight-arm rotary crankshaft device as claimed in claim 1, characterized in that a rotating shaft base (9) is arranged on the side of the T-arm front locking lock (5); and a spring (11) is arranged on the side of the T-arm front connecting column (3).