CN216689521U

CN216689521U - Driving rod self-locking mechanism

Info

Publication number: CN216689521U
Application number: CN202122521124.2U
Authority: CN
Inventors: 潘启武
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-10-20
Filing date: 2021-10-20
Publication date: 2022-06-07
Anticipated expiration: 2031-10-20

Abstract

The utility model discloses a driving rod self-locking mechanism which comprises a support frame body, wherein a counter bore is formed in the front end face of the support frame body, a driving rod penetrating through the support frame body is arranged at the counter bore, a driving tooth matched with the counter bore is arranged on a ring driving rod body, a positioning groove is formed in the upper end face of the support frame body, the right side wall of the positioning groove is communicated with the counter bore, a limiting hole communicated with the positioning groove is formed in the left end face of the support frame body, a locking block matched with the driving tooth and limiting the driving rod to rotate in a single direction is arranged in the positioning groove, and a clamping mechanism matched with a clamping block is arranged in the limiting hole. The locking mechanism is convenient to install and operate, the positioning teeth on the locking block are clamped on the transmission teeth of the driving shaft through the matching of the clamping mechanism and the locking block, the driving shaft can be effectively controlled to rotate in a single direction, the rotation condition of the driving shaft is avoided, the locking mechanism is convenient to adjust with the structure, the installation and adjustment efficiency can be greatly improved, and manpower and material resources are saved.

Description

Driving rod self-locking mechanism

Technical Field

The utility model relates to the technical field of mechanical accessories, in particular to a driving rod self-locking mechanism.

Background

At present, on the current excavator scraper bowl connecting device, because the scraper bowl atress is complicated, the behavior is abominable, can often receive the impulsive force effect, often cause the not hard up phenomenon of junction under the behavior of long-time use, consequently need frequent maintenance, in order to avoid the emergence of this kind of situation, often can adorn limit stop admittedly at the tip of drive shaft, make limit stop clamp in order to avoid its rotation on the actuating lever, and the limit stop installation process who clamps at the actuating lever tip is comparatively loaded down with trivial details, the not hard up situation appears in the collision that also can receive external force equally, a large amount of debris still pile up easily simultaneously, it is extravagant to cause a large amount of manpower and materials when dismantling and installing.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a self-locking mechanism convenient for adjusting a driving rod.

The utility model discloses a driving rod self-locking mechanism which comprises a supporting frame body and is structurally characterized in that a counter bore is formed in the front end face of the supporting frame body, a driving rod penetrating through the supporting frame body is arranged at the counter bore, driving teeth matched with the counter bore are annularly arranged at one end of a driving rod body, a positioning groove is formed in the upper end face of the supporting frame body, the right side wall of the positioning groove is communicated with the counter bore, a limiting hole communicated with the positioning groove is formed in the left end face of the supporting frame body, a locking block matched with the driving teeth and limiting the driving rod to rotate in a single direction is arranged in the positioning groove, and a clamping mechanism matched with the locking block is arranged in the limiting hole.

After adopting above-mentioned structure, cooperate through chucking mechanism and locking piece, make the locking piece card on the driving gear of drive shaft, can control drive axial folk prescription effectively and rotate, avoided the gyration situation of drive shaft to take place, it is convenient with this structural adjustment, can greatly improve the installation and adjust efficiency, the material resources of using manpower sparingly.

Preferably, the support frame body is the rectangular plate, and the counter bore setting is in support frame body front end face intermediate position department, the constant head tank is originally internal along the vertical downwardly extending of body and cell body position in the left support frame of counter bore by support frame body up end, the right side wall of constant head tank cell body is linked together with the pore wall of counter bore macrostoma part, and the constant head tank body communicates with the counter bore, can make things convenient for the driving gear to extend into in the constant head tank.

Preferably, the actuating lever is the screw rod structure, and the body of rod lateral wall that is close to nut department is fitted with a contraceptive ring lateral wall and is provided with the driving tooth, and the driving tooth setting is being close to nut position department, can just can block in counter bore position department with the cooperation of the big oral area portion of counter bore.

Preferably, the support frame body is provided with mounting holes penetrating through the front end face, the rear end face and the positioning groove of the support frame body, and the mounting holes are provided with adjusting pin shafts penetrating through the locking blocks and controlling the locking blocks to rotate.

Preferably, the axis body cross-section of adjusting pin axle mid portion is the polygon, and adjusting pin axle can rotate and partial axis body cross-section cooperatees for the polygon can be effectual with the locking piece in mounting hole department.

Preferably, the locking block comprises a corner part matched with the clamping mechanism, positioning teeth meshed with the transmission teeth are arranged on the side edge of the locking block at the other end opposite to the corner part at intervals, and the positioning teeth are matched with the transmission teeth to effectively limit the clockwise or anticlockwise rotation of the driving shaft.

Preferably, the positioning teeth are arranged at the positions of two ends of the side edge of the locking block at intervals, the side edge of the locking block, which is provided with the positioning teeth, is of an inwards concave arc structure and is adaptive to the radian of the transmission teeth, and the arc structure of the side edge of the locking block can prevent the transmission teeth from colliding with the side edge of the locking block when rotating.

Preferably, the clamping mechanism comprises a limiting steel ball which is arranged in the limiting hole and is abutted against the side edge of the locking block and a fixing bolt which is in threaded connection with the limiting hole, and a buffer spring is arranged between the tail end of the fixing bolt and the limiting steel ball.

Preferably, the opening of the limiting hole is provided with a sinking platform matched with a nut of the fixing bolt, the inner wall of the limiting hole is provided with threads matched with the fixing bolt, and the buffer spring and the limiting steel ball can be effectively limited in the limiting hole by matching the fixing bolt with the locking block.

Preferably, the locking block is provided with a positioning hole clamped on the adjusting pin shaft, and the positioning hole is polygonal and matched with the cross section of the shaft body of the adjusting pin shaft.

In conclusion, the beneficial effects of the utility model are as follows: the locking mechanism is convenient to install and operate, the positioning teeth on the locking block are clamped on the transmission teeth of the driving shaft through the matching of the clamping mechanism and the locking block, the driving shaft can be effectively controlled to rotate in a single direction, the rotation condition of the driving shaft is avoided, the locking mechanism is convenient to adjust with the structure, the installation and adjustment efficiency can be greatly improved, and manpower and material resources are saved.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic front view of the present invention;

FIG. 3 is a schematic cross-sectional view taken along A-A of FIG. 1;

FIG. 4 is a schematic view of a structure in which a positioning tooth at the lower end of a locking block is clamped into a transmission tooth;

fig. 5 is a schematic structural view of the support frame body and the driving shaft of the present invention.

Detailed Description

The following detailed description of embodiments of the present invention is provided in connection with the accompanying drawings and examples. The following examples are intended to illustrate the utility model but are not intended to limit the scope of the utility model.

In the description of the present application, it is to be understood that the terms "center", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience in describing the present application and simplifying the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, should not be construed as limiting the present application.

In the description of the present application, the meaning of "a plurality" is two or more unless otherwise specified. In the description of the present application, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; may be mechanically connected or may be directly connected. The specific meaning of the above terms in the present application can be understood in a specific case by those of ordinary skill in the art.

The following is a description of preferred embodiments of the present invention with reference to the accompanying drawings.

Referring to the attached drawings, the utility model comprises a support frame body 1, a counter bore 2 is arranged in the middle of the front end face of the support frame body 1, a driving rod 3 penetrating through the support frame body 1 is installed in the counter bore 2, a rod body surrounding the driving rod 3 is provided with a driving tooth 4 matched with the counter bore 2, in the design process, the support frame body 1 is a rectangular plate, the counter bore 2 is arranged in the middle of the front end face of the support frame body 1, the rod body diameter of the driving rod 3 is matched with the small-opening diameter of the counter bore 2, in the manufacturing process, the driving rod 3 is of a screw rod structure, the driving tooth 4 is arranged on the side wall of the rod body close to a nut, and the diameter of the driving tooth 4 arranged on the driving rod 3 is matched with the large-opening diameter of the counter bore 2.

Be provided with constant head tank 5 at the up end of support frame body 1, the right side wall of constant head tank 5 is linked together with counter bore 2, during the design, this constant head tank 5 is followed the vertical downwardly extending of body and the constant head tank 5 cell body is located the left support frame body 1 of counter bore 2 by support frame body 1 up end, the degree of depth of above-mentioned constant head tank 5 suits with the diameter size of counter bore 2, the right side wall of this constant head tank 5 cell body is linked together with the partial pore wall of counter bore 2 macrostoma, make partial drive tooth 4 extend into in the constant head tank 5 through the part that both are linked together.

A locking block 7 which is matched with the transmission teeth 4 and limits the driving rod 3 to rotate in a single direction is arranged in the positioning groove 5, the locking block 7 comprises a corner part matched with the clamping mechanism, and positioning teeth 11 which are meshed with the transmission teeth 4 are arranged on the side edge of the locking block 7 at the other end opposite to the corner part at intervals; during the preparation, locking piece 7 is the triangle-shaped fixture block, and this locking piece 7 size suits with the cell body size of constant head tank 5, is provided with the polygon locating hole 10 that runs through the front and back terminal surface on locking piece 7, and the interval is provided with the location tooth 11 with 4 looks meshings of driving tooth on the side that locking piece 7 kept away from locating hole 10, and location tooth 11 interval sets up the both ends position department at locking piece 7 side, and in order to play the effect of locking drive shaft, the 11 numbers of location tooth that both ends set up generally are two or more. When in design, the side edge of the locking block 7, which is provided with the positioning teeth 11, is of an inwards concave arc structure and is adaptive to the radian of the transmission teeth 4, and when the positioning teeth 11 are not clamped into the transmission teeth 4, the rotation of the driving shaft is not hindered; during design, a mounting hole 8 penetrating through the front end face and the rear end face of the support frame body 1 and the positioning groove 5 is formed in the support frame body 1, an adjusting pin shaft 9 penetrating through the locking block 7 and controlling the locking block 7 to rotate is mounted at the mounting hole 8, the cross section of a shaft body of the middle part of the adjusting pin shaft 9 is polygonal and matched with the size of a positioning hole 10 of the locking block 7, and certainly, in order to prevent the adjusting pin shaft 9 from falling off from the mounting hole 8, a stop block for preventing the adjusting pin shaft 9 from falling off can be arranged at the tail end of the adjusting pin shaft 9; during the installation, the side that locking piece 7 was provided with location tooth 11 is along the vertical constant head tank 5 of putting into of the right side wall of constant head tank 5 in, passes mounting hole 8 and the locating hole 10 of locking piece 7 through adjusting pin 9, installs locking piece 7 in constant head tank 5, can control the upper end location tooth 11 or the lower extreme location tooth 11 card of locking piece 7 on the driving tooth 4 that extends into constant head tank 5 through rotating adjusting pin 9.

The left end face of the support frame body 1 is provided with a limiting hole 6 communicated with a positioning groove 5, a clamping mechanism matched with a locking block 7 is arranged in the limiting hole 6, when in design, the central axis of the limiting hole 6 and the central axis of a mounting hole 8 are positioned in the same horizontal plane, the clamping mechanism comprises a limiting steel ball 12 which is arranged in the limiting hole 6 and is propped against the side edge of the locking block 7 and a fixing bolt 13 which is in threaded connection with the limiting hole 6, a buffer spring 14 is arranged between the tail end of the fixing bolt 13 and the limiting steel ball 12, the limiting steel ball 12 is propped against two adjacent side edges of the right angle part of the locking block 7 through the buffer spring 14, the locking block 7 is controlled by an adjusting pin shaft 9 to rotate slightly, the corner of the right angle part of the locking block 7 can pass through the limiting steel ball 12 and is pressed into the limiting hole 6, when the right angle corner of the locking block 7 is positioned above or below the limiting steel ball 12, spacing steel ball 12 can be pushed out and push up side or the side of going up under the right angle corner by buffer spring 14, during the preparation, is provided with heavy platform 15 on the support frame body 1 of spacing hole 6 opening part, and the shape and the size of this heavy platform 15 suit with fixing bolt 13's nut, make the outer terminal surface of nut and support frame body 1's left end face looks parallel and level, can prevent effectively like this that fixing bolt 13 from receiving external force collision and warping and droing.

During installation, the driving rod 3 penetrates through the counter bore 2 on the supporting frame, so that the driving teeth 4 on the driving rod 3 are clamped at the large opening part of the counter bore 2, then the locking block 7 is installed in the positioning groove 5 through the adjusting pin shaft 9, and then the limiting steel ball 12, the buffer spring 14 and the fixing bolt 13 of the clamping mechanism are sequentially installed in the limiting hole 6, so that the limiting steel ball 12 is abutted against the locking block 7; when the adjusting pin shaft 9 is rotated to enable the positioning teeth 11 at one end to be clamped into the transmission teeth 4, the clamping mechanism is abutted against the locking block 7 so that the locking block 7 controls the driving shaft to rotate in one direction, when the adjusting pin shaft 9 is rotated to enable the positioning teeth 11 at the upper end of the locking block 7 to be clamped into the transmission teeth 4, the limiting steel balls 12 are abutted against the lower side edge of the right angle of the locking block 7, and at the moment, the driving shaft can only rotate clockwise and cannot rotate anticlockwise; and when the adjusting pin shaft 9 is rotated to enable the positioning teeth 11 at the lower end of the locking block 7 to be clamped into the transmission teeth 4, the limiting steel balls 12 are propped against the upper side edge of the right angle of the locking block 7, and at the moment, the driving shaft can only rotate anticlockwise and cannot rotate clockwise.

The above description is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various modifications and substitutions can be made without departing from the technical principle of the present invention, and these modifications and substitutions should also be regarded as the protection scope of the present invention.

Claims

1. The utility model provides a actuating lever self-locking mechanism, includes support frame body (1), its characterized in that: the utility model discloses a support frame, including support frame body (1), counter bore (2), drive gear (4) that the preceding terminal surface of support frame body (1) was provided with counter bore (2), counter bore (2) department is provided with actuating lever (3) of passing support frame body (1), and actuating lever (3) body of rod one end encircles and is equipped with drive gear (4) that suit with counter bore (2), the up end of support frame body (1) is provided with constant head tank (5), the right side wall and counter bore (2) of constant head tank (5) are linked together, the left end face of support frame body (1) is provided with spacing hole (6) that are linked together with constant head tank (5), is provided with in constant head tank (5) and cooperatees and injects actuating lever (3) folk prescription to pivoted lock piece (7), is provided with the chucking mechanism that matches with lock piece (7) in spacing hole (6).

2. The drive rod self-locking mechanism of claim 1, wherein: support frame body (1) is the rectangular plate, and counter bore (2) set up terminal surface intermediate position department before support frame body (1), constant head tank (5) are located counter bore (2) left support frame body (1) along the vertical downwardly extending of body and cell body by support frame body (1) up end, the right side wall of constant head tank (5) cell body is linked together with the pore wall of counter bore (2) macrostoma portion.

3. The drive rod self-locking mechanism of claim 1, wherein: the driving rod (3) is of a screw rod structure, and transmission teeth (4) are arranged on the side wall, close to the nut, of the upper ring of the side wall of the rod body.

4. The drive rod self-locking mechanism of claim 1, wherein: the support frame is characterized in that a mounting hole (8) which penetrates through the front end face and the rear end face of the support frame body (1) and the positioning groove (5) is formed in the support frame body (1), and a regulating pin shaft (9) which penetrates through the locking block (7) and controls the locking block (7) to rotate is arranged at the position of the mounting hole (8).

5. The drive rod self-locking mechanism of claim 4, wherein: the cross section of the shaft body in the middle of the adjusting pin shaft (9) is of a polygonal structure.

6. The drive rod self-locking mechanism of claim 4, wherein: the locking block (7) comprises a corner part matched with the clamping mechanism, and positioning teeth (11) meshed with the transmission teeth (4) are arranged on the side edge of the locking block (7) at the other end opposite to the corner part at intervals.

7. The drive rod self-locking mechanism of claim 6, wherein: the positioning teeth (11) are arranged at the positions of the two ends of the side edge of the locking block (7) at intervals, and the side edge of the locking block (7) provided with the positioning teeth (11) is of an inwards concave arc-shaped structure and is adaptive to the radian of the transmission teeth (4).

8. The drive rod self-locking mechanism of any one of claims 1 to 7, wherein: the clamping mechanism comprises a limiting steel ball (12) which is arranged in the limiting hole (6) and is propped against the side edge of the locking block (7) and a fixing bolt (13) which is screwed in the limiting hole (6), and a buffer spring (14) is arranged between the tail end of the fixing bolt (13) and the limiting steel ball (12).

9. The drive rod self-locking mechanism of claim 1, wherein: the opening of the limiting hole (6) is provided with a sinking platform (15) matched with the nut of the fixing bolt (13), and the inner wall of the limiting hole (6) is provided with a thread matched with the fixing bolt (13).

10. The drive rod self-locking mechanism of claim 4, wherein: the locking block (7) is provided with a positioning hole (10) clamped on the adjusting pin shaft (9), and the positioning hole (10) is polygonal and matched with the cross-sectional shape of the shaft body of the adjusting pin shaft (9).