CN214560313U

CN214560313U - Self-locking positioning mechanism

Info

Publication number: CN214560313U
Application number: CN202120742872.0U
Authority: CN
Inventors: 卢斌; 金宇轩
Original assignee: ZHEJIANG GOODSENSE FORKLIFT CO Ltd
Current assignee: ZHEJIANG GOODSENSE FORKLIFT CO Ltd
Priority date: 2021-04-12
Filing date: 2021-04-12
Publication date: 2021-11-02
Anticipated expiration: 2031-04-12

Abstract

The utility model belongs to the technical field of positioning fixture, a auto-lock positioning mechanism is related to, including fixing base and fly leaf, the fly leaf sets up at the both ends of fixing base, and the opposite face between fly leaf and the fixing base is provided with the inclined plane of the same angle, inclined plane from interior to exterior slope is downward, and auto-lock positioning mechanism is located the coincidence of inclined plane profile when auto-lock point, the fixing base passes through the connecting plate with the fly leaf and is connected, the both ends of connecting plate are articulated with fixing base and fly leaf respectively. The utility model provides a from lock positioning mechanism, the during operation has self-locking function, also realizes the location cancellation simultaneously easily.

Description

Self-locking positioning mechanism

Technical Field

The utility model belongs to the technical field of positioning fixture, a auto-lock positioning mechanism is related to.

Background

In machining and welding, a positioning and clamping device is often needed to ensure the positioning accuracy and reliability of a workpiece; when the existing common positioning mechanism is used for positioning an L-shaped workpiece, movable positioning mechanisms such as a sliding mechanism and a turnover mechanism are often required to be used for avoiding interference, so that the workpiece is convenient to separate; generally these mechanisms are not generally self-locking; meanwhile, pneumatic, electromagnetic and hydraulic mechanisms are needed to realize positioning cancellation, and easy cancellation cannot be realized.

SUMMERY OF THE UTILITY MODEL

The utility model discloses to prior art's not enough, provide a self-locking positioning mechanism, the during operation has self-locking function, also realizes the location cancellation easily simultaneously.

In order to solve the above technical problem, the purpose of the present invention can be achieved by the following technical solutions:

the utility model provides a self-locking positioning mechanism, includes fixing base and fly leaf, the fly leaf sets up at the both ends of fixing base, and the opposite face between fly leaf and the fixing base is provided with the inclined plane of same angle, inclined plane from interior to exterior inclines downwards, and self-locking positioning mechanism is located inclined plane profile coincidence when the auto-lock is ordered, the fixing base passes through the connecting plate with the fly leaf and is connected, the both ends of connecting plate are articulated with fixing base and fly leaf respectively.

In the self-locking positioning mechanism, the connecting plates are arranged on two sides of the fixed seat and the movable plate in pairs, pin holes are formed in the fixed seat and the movable plate, the rotating pin sequentially penetrates through the connecting plates and the fixed seat or the movable plate and then is locked through the nut, and a steel back bearing is assembled between the rotating pin and the pin holes.

In the self-locking positioning mechanism, each movable plate is connected with the fixed seat through two pairs of connecting plates, and the connecting plates are distributed in parallel up and down along the inclined plane.

In the above self-locking positioning mechanism, when the self-locking positioning mechanism is located at the self-locking point, the horizontal height of the rotation center of the rotation shaft on the connecting plate is lower than the horizontal height of the rotation center of the rotation shaft on the fixing seat.

In the above self-locking positioning mechanism, when the self-locking positioning mechanism is located at the self-locking point, an included angle between a connecting line of the rotating pins and a horizontal plane is 1.0 to 2.0 degrees, and preferably 1.5 degrees.

In the self-locking positioning mechanism, the outer end of the movable plate is provided with a positioning plate, and the positioning plate is detachably connected with the movable plate through a screw. The locating plate can be changed according to actual conditions to be suitable for multiple operating modes.

In the above self-locking positioning mechanism, a positioning bolt and a nut extending out of an outer end of the positioning plate are fixed on the positioning plate, the positioning bolt is vertically screwed on the positioning plate, and the nut locks the positioning bolt.

In foretell auto-lock positioning mechanism, be provided with corresponding arc recess on the inclined plane of fixing base and fly leaf, arc recess forms the locking hole when being located the auto-lock point, the downthehole locking axle that is equipped with of locking realizes complete locking after the assembly, the preferred semicircle that is equipped with of arc recess.

In the above self-locking positioning mechanism, the upper and lower ends of the inclined plane of the movable plate are provided with protrusions protruding from the inclined plane, and the inclined plane of the fixed seat is provided with a groove matched with the protrusions.

In the self-locking positioning mechanism, the fixing seat can be fixed on a corresponding occasion in various ways such as installation, welding and the like.

The utility model discloses an auto-lock principle is: when the connecting plate is installed in place, the connecting plate moves downwards to reach the self-locking point by virtue of the gravity of the movable plate or the movable plate and the positioning plate, and the inclined plane profile of the movable plate coincides with that of the fixed seat after the connecting plate reaches the self-locking point. When a force horizontally towards the fixed seat is applied to the movable plate, the force can be decomposed due to the angle between the fixed seat and the movable plate, so that the mechanism is kept self-locked; when the positioning is required to be cancelled, the positioning cancellation can be realized only by applying vertical upward force to the movable plate or the positioning block or the positioning bolt to separate the connecting plate from the self-locking point.

Compared with the prior art, the utility model, following beneficial effect has:

1. the utility model discloses an rely on the gravity of fly leaf or fly leaf and locating plate, realized the self-locking function of mechanism, when needs location cancellation, only need apply vertical ascending power to fly leaf or locating piece or positioning bolt, can make the connecting plate break away from the auto-lock point.

2. The utility model discloses be provided with the locking axle, after arriving from the locking point, can realize the complete locking of mechanism. At this time, when an upward force is applied to the movable plate, the positioning cancellation cannot be realized.

Drawings

Fig. 1 is a perspective view of the present invention;

fig. 2 is a front view of the present invention;

fig. 3 is a cross-sectional view of the present invention;

FIG. 4 is a partial exploded view of the present invention;

reference numerals: 1. a fixed seat; 2. a movable plate; 3. a connecting plate; 4. a pin hole; 5. a rotation pin; 6. a nut; 7. a steel backed bearing; 8. positioning a plate; 9. a screw; 10. positioning the bolt; 11. an arc-shaped groove; 12. and locking the shaft.

Detailed Description

The invention will be further described in the following with reference to specific embodiments thereof, with reference to the accompanying drawings, in which figures 1 to 4:

the utility model provides a self-locking positioning mechanism, includes fixing base 1 and fly leaf 2, fly leaf 2 sets up at the both ends of fixing base 1, and the opposite face between fly leaf 2 and the fixing base 1 is provided with the inclined plane of same angle, inclined plane from interior to exterior inclines downwards, and self-locking positioning mechanism is located inclined plane profile coincidence when the auto-lock point, fixing base 1 passes through connecting plate 3 with fly leaf 2 and is connected, the both ends of connecting plate 3 are articulated with fixing base 1 and fly leaf 2 respectively.

Referring to fig. 3, the connecting plate 3 is hinged to the fixed base 1 and the movable plate 2 in the following manner: the connecting plate 3 sets up in pairs in the both sides of fixing base 1 and fly leaf 2, be provided with pinhole 4 on fixing base 1 and the fly leaf 2, rotatory round pin 5 passes connecting plate 3 and fixing base 1 or fly leaf 2 back in proper order and locks through nut 6, be equipped with steel backing bearing 7 between rotatory round pin 5 and the pinhole 4.

Furthermore, every fly leaf 2 is connected through two pairs of connecting plates 3 with fixing base 1 between, connecting plates 3 along inclined plane parallel distribution from top to bottom, and the structure of many pairs of connecting plates 3 can make the connection between fly leaf 2 and the fixing base 1 more stable.

In order to better auto-lock, the utility model discloses further optimization has been done to the position of connecting plate 3: when the self-locking positioning mechanism is positioned at the self-locking point, the horizontal height of the rotation center of the rotation shaft on the connecting plate 3 is lower than that of the rotation center of the rotation shaft on the fixed seat 1.

Further, when the self-locking positioning mechanism is positioned at a self-locking point, an included angle between a connecting line of the rotating pin 5 and a horizontal plane is 1.0-2.0 degrees, and preferably 1.5 degrees.

In order to increase the gravity, so that the movable plate 2 can complete self-locking and be suitable for various different working conditions, a positioning plate 8 is arranged at the outer end of the movable plate 2, the positioning plate 8 is detachably connected with the movable plate 2 through a screw 9, and the positioning plate 8 can be replaced according to actual conditions.

In order to more conveniently cancel positioning, a positioning bolt 10 and a nut 6 which extend out of the outer end of the positioning plate 8 are fixed on the positioning plate 8, the positioning bolt 10 is vertically screwed on the positioning plate 8, and the nut 6 locks the positioning bolt 10. When a vertical upward force is applied to the positioning block or the positioning bolt 10, namely, the upward force is applied to the movable plate 2, the positioning block or the positioning bolt 10 has a better acting point, and the force can be applied more conveniently.

Compare fig. 3, in order to realize complete locking function, the utility model discloses locking shaft 12's structure has been increased: the inclined planes of the fixed seat 1 and the movable plate 2 are provided with corresponding arc-shaped grooves 11, the arc-shaped grooves 11 form locking holes when the movable plate is located at a self-locking point, locking shafts 12 are assembled in the locking holes, complete locking is achieved after the locking shafts are assembled, and the arc-shaped grooves 11 are preferably semicircular arcs. When the locking is completed, and an upward force is applied to the movable plate 2 at this time, the positioning cancellation cannot be achieved.

Referring to fig. 2, in order to make the fixed base 1 better cooperate with the movable plate 2, the upper and lower ends of the inclined plane of the movable plate 2 are provided with protrusions protruding from the inclined plane, the inclined plane of the fixed base 1 is provided with a groove cooperating therewith, and the protrusions and the grooves in the vertical direction are provided with inclined planes in order to facilitate the rotation of the movable plate 2.

The fixing seat 1 can be fixed on a corresponding occasion through various modes such as installation, welding and the like.

The utility model discloses a working process is: after the movable plate 2 is assembled on the fixed seat 1, the gravity of the movable plate 2 reaches the self-locking position to complete self-locking; when the positioning needs to be cancelled, an upward force is applied to the movable plate 2, and the movable plate 2 rotates around the rotating pin 5 so as to be separated from the self-locking point; in addition, the locking shaft 12 inserted into the same size as the locking hole can achieve complete locking, and when the positioning needs to be cancelled, the locking shaft 12 needs to be taken out firstly.

The above-mentioned embodiment is only the preferred embodiment of the present invention, and does not limit the protection scope of the present invention according to this, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims

1. The utility model provides a from lock positioning mechanism, includes fixing base (1) and fly leaf (2), its characterized in that, fly leaf (2) set up at the both ends of fixing base (1), and the opposite face between fly leaf (2) and fixing base (1) is provided with the inclined plane of same angle, inclined plane from interior to exterior slope is downward, and the coincidence of inclined plane profile when auto-lock positioning mechanism is located the auto-lock point, fixing base (1) is connected through connecting plate (3) with fly leaf (2), the both ends of connecting plate (3) are articulated with fixing base (1) and fly leaf (2) respectively.

2. The self-locking positioning mechanism according to claim 1, wherein the connecting plates (3) are arranged on two sides of the fixed seat (1) and the movable plate (2) in pairs, pin holes (4) are formed in the fixed seat (1) and the movable plate (2), the rotating pin (5) sequentially penetrates through the connecting plates (3) and the fixed seat (1) or the movable plate (2) and then is locked through a nut (6), and a steel back bearing (7) is assembled between the rotating pin (5) and the pin holes (4).

3. The self-locking positioning mechanism of claim 2, wherein each movable plate (2) is connected with the fixed seat (1) through two pairs of connecting plates (3), and the connecting plates (3) are distributed up and down along the inclined plane in parallel.

4. The self-locking positioning mechanism of claim 2, wherein when the self-locking positioning mechanism is located at the self-locking point, the horizontal height of the rotation center of the rotation shaft on the connecting plate (3) is lower than that of the rotation center of the rotation shaft on the fixing seat (1).

5. The self-locking positioning mechanism according to claim 2, wherein when the self-locking positioning mechanism is located at the self-locking point, the included angle between the connecting line of the rotating pin (5) and the horizontal plane is 1.0-2.0 °.

6. The self-locking positioning mechanism according to claim 1, wherein a positioning plate (8) is arranged at the outer end of the movable plate (2), and the positioning plate (8) is detachably connected with the movable plate (2) through a screw (9).

7. The self-locking positioning mechanism according to claim 6, wherein the positioning plate (8) is fixed with a positioning bolt (10) and a nut (6) extending out of the outer end of the positioning plate (8).

8. The self-locking positioning mechanism according to claim 1, wherein the inclined planes of the fixed seat (1) and the movable plate (2) are provided with corresponding arc-shaped grooves (11), the arc-shaped grooves (11) form locking holes when located at a self-locking point, and the locking holes are internally provided with locking shafts (12).

9. The self-locking positioning mechanism according to claim 1, wherein the upper and lower ends of the inclined surface of the movable plate (2) are provided with protrusions protruding from the inclined surface, and the inclined surface of the fixed seat (1) is provided with a groove engaged therewith.