CN110270958A - A kind of connection bar assembly of variable-length varied angle - Google Patents

Abstract

The invention discloses a connecting rod assembly with variable length and variable angle. The invention relates to the field of hardware tools. The upper connecting plate and the lower connecting plate in the angle adjustment mechanism of the connecting rod assembly are hinged through a rotating shaft, and two angle adjusting dials are fixed on the rotating shaft. At both ends of the upper connecting plate, there are guide grooves along the longitudinal direction, and a spring is arranged in the guide groove, and a ball is arranged on the top of the spring, and the two angle adjustment dials are also provided with a plurality of hole slots that are engaged with the balls along the circumference. , one end of the lower connecting plate is provided with a plurality of connecting rods, and the two connected connecting rods are detachably connected, one end of the upper connecting plate is connected with an adapter rod, and the connecting rod is connected with the joint. In the present invention, the lower connecting plate After being threaded with multiple connecting rods, the length and angle of the connecting rod can be set by adjusting the angle of the angle adjuster, and the other end of the connecting rod is connected to the joint, so that the connecting rod assembly can be used in a narrow operating space, and the operating plane and the connection When there is an angle between the components, remove and install the components.

Description

A connecting rod assembly with variable length and variable angle

technical field

The invention relates to the field of hardware tools, in particular to a variable-length bendable connecting rod assembly.

Background technique

Hardware tools refer to the general term for metal devices made of iron, steel, aluminum and other metals through forging, rolling, cutting and other physical processing. In daily life, hardware tools such as wrenches and pipe wrench are often used to disassemble and install connecting components. , but the length of the existing hardware tools such as wrench and pipe wrench is fixed, which is only suitable for the connecting member to be installed in a spacious operating space. When it is at an included angle, hardware tools such as wrenches and pipe wrench with fixed length and cannot be bent will not be able to play a role, and it will not be possible to install and disassemble the connecting components. At this time, an adjustable angle with a joint can be used. The length of the connecting rod assembly is necessary.

Contents of the invention

The purpose of the patent of the present invention is to overcome the above shortcomings and provide a connecting rod assembly capable of variable length and variable angle, the end of which can be connected to different types of joints, and the tool can be operated by changing the connection mode between multiple threaded connecting rods In the best state, it solves the problem that the hardware tools cannot be operated due to the narrow operating space.

The present invention provides a variable-length variable-angle connecting rod assembly, which includes an angle adjustment mechanism. The angle adjustment mechanism includes an upper connection plate, a lower connection plate and two angle adjustment turntables. The upper connection plate and the lower connection plate are hinged through a rotating shaft. The two angle adjustment turntables are fixed on both ends of the rotating shaft, and guide grooves are longitudinally opened on the front side and the rear side of the upper connecting plate, and springs are arranged in the guide grooves, and balls are arranged on the top of the springs. The two angle adjustment turntables are also provided with a plurality of holes matching the balls along the circumference, and the balls are snapped into any hole. There are two connecting rods, and the connected two connecting rods are detachably connected. The end of the upper connecting plate away from the rotating shaft is connected with an adapter rod, and the adapter rod is connected with the joint.

Preferably, the plurality of connecting rods are provided with a first protruding ring and a first threaded member, the first protruding ring is fixedly sleeved at one end of the connecting rod, and the first threaded member is provided at the other end of the connecting rod , and the center line of the first protruding ring and the first threaded member coincides with the center line of the connecting rod, and the end of the connecting rod close to the first protruding ring is provided with an external thread, and the first internal thread member is provided with an external thread Matching internal thread.

Preferably, one end of the transfer rod is fixedly sleeved with a second protruding ring, and one end of the transfer rod close to the second protruding ring is provided with an external thread, and the other end of the transfer rod is connected to the joint.

Preferably, the fixing sleeve at the lower end of the lower connecting plate is provided with a second threaded member, and the upper end of the upper connecting plate is provided with a third threaded member, and both the second threaded member and the third threaded member are provided with external threads that match The internal thread of the second threaded member is connected with the external thread of a connecting rod, and the third threaded member is connected with the external thread of the adapter rod.

Preferably, the outer walls of the first protruding ring and the second protruding ring are provided with engaging grooves, and the outer walls of the first threaded member, the second threaded member and the third threaded member are provided with fixing plates, One end of the fixing plate is respectively hinged with the outer sidewalls of the first threaded member, the second threaded member and the third threaded member, and the side of the other end of the fixing plate is provided with a clamp joint matching the clamping groove.

Preferably, the outer wall of the connecting rod is sheathed with non-slip rubber.

Preferably, a spring washer is sheathed on the external thread.

Preferably, the two angle adjustment dials are provided with scale lines for measuring angles.

Compared with the prior art, the patent of the present invention provides a variable-length bendable connecting rod assembly,

1. The connecting rod assembly is connected by an adapter rod, an angle adjustment mechanism, a joint and a plurality of connecting rods. The external threads on the multiple connecting rods are threaded in turn with the internal threads in the first threaded member to realize the connecting rod assembly The change of the length, the external thread on the connecting rod is connected with the internal thread in the second threaded member on the angle adjustment mechanism, and the internal thread in the third threaded member on the angle adjustment mechanism is connected with the external thread on the transfer rod Finally, use the scale line on the angle adjustment turntable to measure the angle, measure the angle between the operation plane and the connecting member, press the spring on the angle adjustment turntable, because the angle adjustment turntable has a scale line, according to the angle on the scale line Quickly rotate the upper connecting rod, and the spring will be fixed in the hole after rebounding, realizing the setting of the connecting rod angle. The components are disassembled and installed under the condition that there is an included angle between them. In order to better fix the angle adjustment mechanism and multiple connecting rods after connecting, the snap-fitting groove on the outer wall of the first convex ring is connected to the outer wall of the first threaded member. The clamping joint on the outer wall of the first convex ring is clamped with the clamping joint on the outer wall of the second threaded member, and the clamping joint on the outer wall of the third threaded member is connected with the clamping joint on the outer wall of the second convex ring. The snap-in slots are clipped together to realize the fixing of the connecting rod assembly.

2. The purpose of setting guide grooves on the upper connecting plate is to prevent the spring from swinging on the upper connecting plate, causing the balls and the hole grooves to not be connected one by one.

3. The spring gasket is set on the threaded joint to prevent the thread between the threaded connecting rods from loosening.

Description of drawings

Fig. 1 is a structural schematic diagram of a connecting rod of a variable-length variable-angle connecting rod assembly provided by the present invention;

Fig. 2 is a structural schematic diagram of an adapter rod of a variable-length variable-angle connecting rod assembly provided by the present invention;

Fig. 3 is a structural schematic diagram of a variable-length variable-angle connecting rod assembly provided by the present invention;

Fig. 4 is a structural schematic diagram of an angle adjustment mechanism of a variable-length variable-angle connecting rod assembly provided by the present invention;

Fig. 5 is a schematic diagram of the operation of a variable-length bendable connecting rod assembly provided by the present invention.

Explanation of reference signs:

1. Connecting rod, 2. First convex ring, 3. First threaded member, 4. External thread, 5. Internal thread, 6. Angle adjustment mechanism, 61. Lower connecting rod, 62. Upper connecting rod, 63. Angle Adjusting dial, 63-1. Groove, 63-2. Guide groove, 63-3. Spring, 63-4. Ball, 64. Second threaded member, 65. Third threaded member, 7. Transfer rod, 8 . Joint, 9. Second convex ring, 10. Clamping groove, 11. Fixing plate, 12. Clamping joint, 13. Connecting member, 14. Horizontal fixing plane, 15. Vertical fixing plane.

Detailed ways

A specific embodiment of the present invention will be described in detail below in conjunction with the accompanying drawings, but it should be understood that the protection scope of the present invention is not limited by the specific embodiment.

Example 1

As shown in Figures 2 to 3, a variable-length variable-angle connecting rod assembly provided by the present invention includes an angle adjustment mechanism 6, and the angle adjustment mechanism 6 includes an upper connecting plate 62, a lower connecting plate 61 and two angle adjusting The rotating disk 63, the upper connecting plate 62 and the lower connecting plate 61 are hinged through the rotating shaft, and the two angle adjustment rotating disks 63 are fixed on the two ends of the rotating shaft, and the front side and the rear side of the upper connecting plate 62 are provided with guides along the longitudinal direction. Groove 63-2, the guide groove 63-2 is provided with a spring 63-3, the top of the spring 63-3 is provided with a ball 63-4, and the two angle adjustment dials 63 are also provided with a ball matching the ball along the circumferential direction. A plurality of holes 63-1, the ball 63-4 is engaged with any hole 63-1, the end of the lower connecting plate 61 away from the rotating shaft is connected with a plurality of connecting rods 1 for changing the length of the connecting rod assembly, and The two connected connecting rods 1 are detachably connected, and the end of the upper connecting plate 62 away from the rotating shaft is connected with an adapter rod 7 , and the adapter rod 7 is connected with the joint 8 .

As shown in Figure 1, the plurality of connecting rods 1 are provided with a first protruding ring 2 and a first threaded member 3, the first protruding ring 2 is fixedly sleeved on one end of the connecting rod 1, and the first threaded member 3 is set at the other end of the connecting rod 1, and the centerline of the first protruding ring 2 and the first threaded member 3 coincides with the centerline of the connecting rod 1, and the end of the connecting rod 1 close to the first protruding ring 2 is provided with an external thread 4. The first internal thread member 3 is provided with an internal thread 5 matching the external thread 4 .

The two angle adjustment dials 63 are provided with scale lines for measuring angles.

As shown in Figure 2, one end of the adapter rod 7 is fixedly sleeved with a second protruding ring 9, and one end of the adapter rod 7 near the second protruding ring 9 is provided with an external thread 4, and the other end of the adapter rod 7 is Connect to connector 8.

As shown in Figure 3, the variable-length variable-angle connecting rod assembly is characterized in that the lower end of the lower connecting plate 61 is fixedly sleeved with a second threaded member 64, and the upper end of the upper connecting plate 62 is provided with a third threaded member. threaded member 65, and the second threaded member 64 and the third threaded member 65 are provided with internal threads 5 matching the external thread 4, the second threaded member 64 is connected with the external thread 4 of a connecting rod 1, the second threaded member 64 is connected with the external thread 4 of a connecting rod 1 The three threaded members 65 are connected with the external threads 4 on the adapter rod 7 .

In this embodiment, the diameter of the adapter rod 7 is the same as that of the plurality of connecting rods 1, and the plurality of connecting rods 1 can be of different length grades. After the thread 5 is threaded in sequence, the change of the length of the connecting rod assembly is realized. The external thread 4 on the connecting rod 1 is connected with the internal thread thread in the second threaded connection member 64 on the angle adjustment mechanism 6, and the second thread on the angle adjustment mechanism 6 The internal thread in the three-threaded member 65 is connected with the external thread 4 at one end of the adapter rod 7, realizing the variable length and variable angle connection of the connecting rod assembly. The angle adjustment of the angle adjustment mechanism 6 is firstly provided with a measuring device on the angle adjustment dial 63. For the scale line of the angle, use the scale line on the angle adjustment dial 63 to measure the angle between the operation plane and the connecting member 13, press the spring 63-3 on the angle adjustment dial 63, fix the lower connecting plate 61, and quickly rotate the upper When the connecting plate 62 and the ball 63-4 follow the upper connecting plate 62 and move to the hole 63-1, the spring 63-3 rebounds and snaps into the hole 63-1, realizing the adjustment of the angle of the connecting rod assembly. The upper side and the lower side of the rod 63 are longitudinally provided with a guide groove 63-2, the purpose is to prevent the spring 63-3 from shifting when the spring 63-3 moves with the upper connecting rod 62, so that the spring 63-3 It cannot rebound to the hole 63-1, and the fixing of the ball 63-4 and the hole 63-1 cannot be realized. The other end of the adapter rod 7 is connected to the joint 8 to complete the assembly of the variable length and variable angle connecting rod assembly , wherein there are many ways to connect the adapter rod 7 and the joint 8, for example, a clamping connection mode between the adapter rod 7 and the joint 8 is given, that is, the clamping groove provided on the adapter rod 7, the connector on the joint The card joint provided is a cross-shaped slot, the card joint is a cross-shaped card joint, and the cross-shaped card joint and the cross-shaped slot are card-connected. The joint 8 is mainly used for disassembling and installing the connecting member 13. Different connections The joints 8 required by the member 13 are different. For example, the connecting member 13 is a bolt, and the required joint 8 is a live-end wrench. When the connecting member 13 is a screw, the required joint 8 is a screwdriver, etc., so that the connecting rod assembly can operate. The dismantling and installation of components is carried out under the condition that the operating plane and the connecting component are at an angle.

Example 2

As shown in FIG. 1 and FIG. 2 , snap grooves 10 are provided on the outer walls of the first protruding ring 2 and the second protruding ring 9 , and the first threaded member 3 , the second threaded member 64 and the third threaded member 65 A fixed plate 11 is provided on the outer wall of the fixed plate 11, and one end of the fixed plate 11 is hinged with the outer wall of the first threaded member 3, the second threaded member 64 and the third threaded member 65 respectively, and the side of the other end of the fixed plate 11 is provided with A card connector 12 matching the card slot 10 .

In this embodiment, in order to better fix the connection components after connection and prevent the connection components from loosening when the connection components are disassembled and installed, the outer walls of the first protruding ring 2 and the second protruding ring 9 are respectively provided with The clamping groove 10 is respectively provided with a clamp joint 12 on the fixed plate 11 hinged on the outer wall of the first threaded member 3, the second threaded member 4 and the third threaded member 9, that is, the fixed plate 11 can be mounted on the first screw thread The outer side walls of member 3, second threaded member 4 and third threaded member 9 are rotated, and after the connection of the connecting rod assembly is completed, all the outer walls of first protruding ring 2 and second protruding ring 9 are provided with The clamping grooves 10 of the clamping grooves 10 respectively engage with the clamping joints 12 corresponding to the outer walls of the first threaded member 3 , the second threaded member 4 and the third threaded member 9 .

Example 3

The outer wall of the connecting rod 1 is sheathed with non-slip rubber.

In this embodiment, because the connecting rod 1 is mostly made of metal, the surface is relatively smooth, and the friction force is small. When the connected connecting rod 1 is held by hand for operation, there will be signs of slippage, which will affect the operation. The outer wall cover of connecting rod 1 is provided with non-slip rubber rubber, and the purpose is to increase frictional force.

Example 4

A spring washer is sheathed on the external thread 4 .

In this embodiment, the threaded connection is generally self-locking and not easy to loosen. However, when the shock, vibration, high temperature or temperature changes, the friction between the threads will decrease or disappear, and the connection will become loose. A spring washer is sleeved on the thread 4, and the spring washer will generate a continuous elastic force, so that the thread connection pair between the external thread 4 and the internal thread 5 continues to maintain a frictional force to generate a resistance torque and prevent loosening.

Example 5

As shown in Figure 5, the connecting member 13 should be installed or disassembled on the horizontal fixing plane 14, because the connecting member 13 is perpendicular to the horizontal fixing plane 14 and parallel to the vertical fixing plane 15, according to the position of the connecting member 13 , the angle adjustment mechanism 6, the adapter rod 7, the joint 8, and a plurality of connection rods 1 are connected, and the upper connection rod 62, the adapter rod 7, the joint 8 and the connection rod 1 of the angle adjustment mechanism 6 are connected one by one in the horizontal direction. connection, and the connection length is less than half the distance between two parallel vertical fixed planes 11, in the vertical direction, a plurality of connecting rods 1 are connected one by one, and then the connecting rods connected in the horizontal direction and the vertical direction Just carry out screw connection, when needing to disassemble or install connecting member 13, at first, be provided with the scale line of measuring angle through the angle adjustment dial 63, use the scale line on the angle adjustment dial 63 to measure the distance between the operation plane and the connecting member. Press the spring 63-3 on the angle adjustment dial 63 to fix the lower connecting rod 61, and quickly rotate the upper connecting rod 62. When the ball 63-4 follows the upper connecting rod 62 and moves to the hole 63-1, the spring 63 -3 snapped back into the slot 63-1 to realize the adjustment of the angle of the connecting rod assembly; , the transfer rod 7, the joint 8 and the connection total length of the upper connecting plate 62 are circular motions with a radius to realize the installation or disassembly of the connecting member 9.

The above disclosures are only a few specific embodiments of the present invention, however, the embodiments of the present invention are not limited thereto, and any changes conceivable by those skilled in the art shall fall within the protection scope of the present invention.

Claims (8)

1. A variable-length variable-angle connecting rod assembly, characterized in that it includes an angle adjustment mechanism (6), and the angle adjustment mechanism (6) includes an upper connecting plate (62), a lower connecting plate (61) and two angles Adjust the turntable (63), the upper connecting plate (62) and the lower connecting plate (61) are hinged through the rotating shaft, the two angle adjusting rotating discs (63) are fixed on the two ends of the rotating shaft, the front of the upper connecting plate (62) A guide groove (63-2) is provided longitudinally on the side and the rear side, a spring (63-3) is provided in the guide groove (63-2), and a ball (63-4) is arranged on the top of the spring (63-3). ), the two angle adjustment dials (63) are also provided with a plurality of holes (63-1) matching the balls along the circumference, and the balls (63-4) and any hole (63-1) snap connection, the end of the lower connecting plate (61) away from the rotating shaft is connected with a plurality of connecting rods (1) for changing the length of the connecting rod assembly, and the connected two connecting rods (1) are detachably connected, the upper The end of the connecting plate (62) away from the rotating shaft is connected with an adapter rod (7), and the adapter rod (7) is connected with the joint (8). 2. A variable-length variable-angle connecting rod assembly according to claim 1, characterized in that a first protruding ring (2) and a first threaded member (3) are provided on each of the plurality of connecting rods (1) ), the first protruding ring (2) is fixedly sleeved at one end of the connecting rod (1), the first threaded member (3) is provided at the other end of the connecting rod (1), and the first protruding ring (2) and The center line of the first threaded member (3) coincides with the center line of the connecting rod (1), and the end of the connecting rod (1) near the first protruding ring (2) is provided with an external thread (4), and the first internal The threaded member (3) is provided with an internal thread (5) matching the external thread (4). 3. A variable-length variable-angle connecting rod assembly according to claim 1, characterized in that, one end of the transfer rod (7) is fixedly sleeved with a second protruding ring (9), and the transfer rod ( 7) One end close to the second protruding ring (9) is provided with an external thread (4), and the other end of the adapter rod (7) is connected to the joint (8). 4. A variable-length variable-angle connecting rod assembly according to claim 2, characterized in that, the lower end of the lower connecting plate (61) is fixedly sleeved with a second threaded member (64), and the upper connecting plate (62) The upper end is provided with a third threaded member (65), and both the second threaded member (64) and the third threaded member (65) are provided with an internal thread (5) matching the external thread (4). The second threaded member (64) is connected to the external thread (4) of a connecting rod (1), and the third threaded member (65) is connected to the external thread (4) on the adapter rod (7). 5. A variable-length variable-angle connecting rod assembly according to claim 2, characterized in that, the outer walls of the first protruding ring (2) and the second protruding ring (9) are provided with engaging grooves ( 10), the outer walls of the first threaded member (3), the second threaded member (64) and the third threaded member (65) are provided with a fixing plate (11), and one end of the fixing plate (11) is respectively connected to the first A threaded member (3), the second threaded member (64) and the outer wall of the third threaded member (65) are hinged, and the side of the other end of the fixed plate (11) is provided with a matching groove (10). snap connector (12). 6. The variable-length and variable-angle connecting rod assembly according to claim 1, characterized in that, the outer wall of the connecting rod (1) is sheathed with non-slip rubber. 7. The variable-length variable-angle connecting rod assembly according to claim 1, characterized in that, a spring washer is sheathed on the external thread (4). 8 . The variable-length variable-angle connecting rod assembly according to claim 1 , characterized in that, the two angle adjustment dials ( 63 ) are provided with scale lines for measuring angles. 9 .