CN219691979U - Cantilever support rotary joint convenient to adjust - Google Patents

Abstract

The utility model provides a cantilever bracket rotary joint convenient to adjust, which comprises a rotary seat, a rotary part, a lower pressing part, an upper pressing part, springs and an adjusting knob, wherein the rotary seat is provided with parallel fixing rings, the rotary part is provided with a rotary ring, the rotary ring is inserted into the two fixing rings, an inner hole of the rotary ring is provided with a conical section, the lower pressing part is provided with a fixing screw, the springs are sleeved outside the fixing screw, the lower pressing part is clamped at the bottom of one fixing ring, the shape of the side wall of the upper pressing part is matched with that of the conical section, the upper pressing part is clamped at the top of the other fixing ring, and the fixing screw penetrates through the upper pressing part to be in threaded connection with the adjusting knob. The cantilever bracket rotary joint convenient to adjust is provided with the spring and the handheld adjusting knob, so that the angle can be adjusted by directly lifting the hand without tools, the use is convenient and quick, and the labor is saved.

Description

Cantilever support rotary joint convenient to adjust

Technical Field

The utility model relates to the technical field of brackets, in particular to a cantilever bracket rotary joint convenient to adjust.

Background

The rotary joint is a key component of the cantilever bracket and can be used for adjusting and fixing the vertical angle of the cantilever bracket. The utility model patent CN218327238U discloses a rotary joint for a mobile equipment support, which comprises a rotary seat, a rotary part and a circular pressing block, wherein the rotary seat is provided with a slot, two opposite side walls of the slot are provided with pressing block holes communicated with the slot, the hole walls of the pressing block holes are provided with a plurality of convex blocks, the rotary part is inserted into the slot, the side surfaces of the rotary part, which correspond to the pressing block holes, are provided with tapered holes with the inner diameters reduced from outside to inside, the side walls of the pressing block are provided with grooves matched with the convex blocks, the pressing block is embedded in the pressing block holes, the end parts of the pressing block are in friction fit with the tapered holes, one exposed surface of the pressing block is provided with an outer edge with the diameter larger than the inner diameter of the pressing block holes, and the two pressing blocks are connected through screws.

When the angle is adjusted, the angle adjusting device is troublesome to use by a screwdriver, and after the screw is opened, the pressing block can be adsorbed together with the rotating piece, and the angle can be adjusted smoothly after the pressing block and the rotating piece are separated by a large force.

Disclosure of Invention

In order to make up the defects in the prior art, the utility model provides the cantilever bracket rotary joint convenient to adjust, which is provided with the spring and the handheld adjusting knob, can directly adjust the angle by hands without tools, is convenient and quick to use, and saves more labor.

In order to achieve the above purpose, the technical scheme adopted by the utility model is as follows:

the utility model provides a cantilever support rotary joint convenient to adjust, includes roating seat, rotating member, pushes down the piece, goes up casting die, spring and adjust knob, the roating seat is equipped with parallel solid fixed ring, the rotating member is equipped with the roating ring, the roating ring peg graft in two gu fixed ring, the roating ring hole is equipped with the toper section, be equipped with fixing screw on the piece down, the spring housing is in outside the fixing screw, the piece joint down in one of them gu fixed ring bottom, go up casting die lateral wall shape with toper section assorted, go up the casting die joint at another gu fixed ring top, fixing screw passes go up the casting die with adjust knob threaded connection.

Further, a plurality of clamping strips are uniformly distributed on the wall of the rotary ring hole along the circumferential direction, and clamping grooves matched with the clamping strips are formed in the side wall of the upper pressing piece.

Further, a plurality of limiting blocks are uniformly arranged on the inner hole of the fixed ring along the circumferential direction, and the lower pressing piece and the upper pressing piece are respectively provided with limiting grooves matched with the limiting blocks.

Further, the limiting block is in a semicircular frustum shape, and the shorter bottom edge of the limiting block faces to one side far away from the rotating ring.

Further, the conical section is arranged at the upper end and the lower end of the inner hole of the rotary ring and forms an hourglass shape, and the side wall of the pressing piece is matched with the conical shape.

Further, a knob groove is formed in the top surface of the upper pressing piece, and the adjusting knob is embedded in the knob groove.

Further, the rotating piece is provided with an equipment connecting screw, and a locking nut is arranged on the equipment connecting screw.

Furthermore, the rotating seat is provided with a square pipe connector.

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

1. the cantilever bracket rotary joint convenient to adjust is provided with the adjusting knob, so that the cantilever bracket rotary joint can be directly rotated by hands without help, and is convenient to use; and be equipped with the spring between casting die and the last casting die down, through the elasticity effect of spring, unscrew adjust knob can make last casting die and rotatory ring phase separation, reduce frictional force, make angle modulation laborsaving.

2. According to the cantilever bracket rotary joint convenient to adjust, the clamping strips are arranged in the rotary ring hole, the upper pressing piece is provided with the clamping grooves matched with the clamping strips, and compared with a pure friction fit structure, the clamping structure can effectively improve the bearing capacity of the cantilever bracket.

Drawings

FIG. 1 is a block diagram of a cantilever rotary joint of the present utility model that facilitates adjustment.

Fig. 2 is an exploded view of a cantilever rotary joint of the present utility model for ease of adjustment.

Wherein: 1. a rotating seat; 11. a fixing ring; 111. a limiting block; 12. square tube connector; 2. a rotating member; 21. a rotating ring; 211. clamping strips; 22. a device connecting screw; 23. a lock nut; 3. a pressing piece; 31. a fixed screw; 4. a pressing piece; 41. screw via holes; 42. a knob groove; 43. a limit groove; 44. a clamping groove; 5. a spring; 6. an adjustment knob; 61. a holding part.

Detailed Description

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present utility model. The utility model may be embodied in many other forms than described herein and similarly practiced by those skilled in the art without departing from the spirit or scope of the utility model, which is therefore not limited to the specific embodiments disclosed below.

Example 1

As shown in fig. 1 and 2, a cantilever support rotary joint convenient to adjust comprises a rotary seat 1, a rotary piece 2, a lower pressing piece 3, an upper pressing piece 4, a spring 5 and an adjusting knob 6. One end of the rotating seat 1 is provided with two parallel fixing rings 11, the other end is provided with a square pipe connector 12, and the square pipe connector 12 is used for connecting a square pipe of the cantilever bracket.

One end of the rotating member 2 is provided with a rotating ring 21, the other end is provided with a device connecting screw 22, the device connecting screw 22 is used for connecting mobile devices, and a locking nut 23 is connected with the device connecting screw in a threaded manner. The rotating ring 21 can be inserted between the two fixed rings 11 and rotated about its axis.

The upper and lower parts of the inner bore of the rotary ring 21 are tapered sections, and the two tapered sections are symmetrically formed into an hourglass shape. The hold-down member 3 is clamped at the bottom of one of the fixed rings 11, and the side wall shape of the hold-down member is matched with the conical section of the rotating ring 21. The upper pressing member 4 is clamped on the top of the other fixed member 11, and the side wall of the upper pressing member is matched with the conical section of the rotating ring 21.

The hold-down piece 3 is fixedly connected with a fixing screw 31, and the spring 5 is sleeved outside the fixing screw 31. The center of the upper pressing piece 4 is provided with a screw through hole 41 and a knob groove 42, and the adjusting knob 6 is embedded in the knob groove 42. The fixing screw 31 is screwed to the adjustment knob 6 through the screw hole 41, thereby fixing the rotary member 2.

The adjusting knob 6 is provided with a gripping portion 61, which may be butterfly-shaped, straight-line-shaped, triangular, quincuncial, etc., to facilitate direct gripping with the hand, without limitation.

Specifically, three limiting blocks 111 are uniformly arranged on the inner hole of the fixed ring 11 along the circumferential direction, and three limiting grooves 43 are respectively formed in the lower pressing piece 3 and the upper pressing piece 4. The stopper 111 is engaged with the stopper groove 43 so that the lower pressing member 3 and the upper pressing member 4 do not rotate with the rotating member 2 when the angle adjustment is performed. The stopper 111 has a semicircular truncated cone shape with its shorter bottom edge facing the side away from the rotating ring 21.

The conical section at the upper part of the rotary ring 21 is uniformly provided with a plurality of clamping strips 211 along the circumferential direction, and the side wall of the upper pressing piece 4 is provided with clamping grooves 44 matched with the clamping strips 211. The clamping strip and the clamping groove are matched to provide larger bearing force, and the angle is adjusted to be more in a paragraph sense.

The utility model relates to a cantilever bracket rotary joint convenient to adjust, which comprises the following using method and principle:

when the angle is adjusted, the adjusting knob 6 is manually unscrewed, the upper pressing piece 4 can axially move a small distance under the action of the spring 5, so that the clamping groove 44 of the side wall is separated from the clamping strip 211 of the rotating piece 2, and the rotating piece 2 can be easily rotated to adjust the angle; after the angle is adjusted to the required angle, the adjusting knob 6 is reversely screwed, so that the clamping groove 44 is completely meshed with the clamping strip 211, and stable angle fixing is realized.

Although the present utility model has been described in detail with reference to the embodiments, it should be understood that the utility model is not limited to the preferred embodiments, but is capable of modification and equivalents to some of the features described in the foregoing embodiments, but is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the utility model.

Claims (8)

1. Cantilever support rotary joint convenient to adjust, its characterized in that: including roating seat, rotating member, casting die, go up casting die, spring and adjust knob, the roating seat is equipped with parallel solid fixed ring, the rotating member is equipped with the roating ring, the roating ring peg graft in two gu fixed ring, the roating ring hole is equipped with the toper section, be equipped with fixing screw on the casting die down, the spring housing is in outside the fixing screw, casting die joint is in one of them gu the fixed ring bottom, go up casting die lateral wall shape with toper section assorted, go up casting die joint is another gu the fixed ring top, the fixing screw passes go up casting die with adjust knob threaded connection.

2. The conveniently adjustable cantilever rotary joint according to claim 1, wherein: the rotary ring hole wall is uniformly distributed with a plurality of clamping strips along the circumferential direction, and the side wall of the upper pressing piece is provided with clamping grooves matched with the clamping strips.

3. The conveniently adjustable cantilever rotary joint according to claim 2, wherein: a plurality of limiting blocks are uniformly arranged on the inner hole of the fixed ring along the circumferential direction, and limiting grooves matched with the limiting blocks are formed in the lower pressing piece and the upper pressing piece.

4. The conveniently adjustable cantilever rotary joint according to claim 3, wherein: the limiting block is in a semicircular frustum shape, and the shorter bottom edge of the limiting block faces to one side far away from the rotating ring.

5. The adjustable cantilever rotary joint according to any one of claims 1-4, wherein: the conical section is arranged at the upper end and the lower end of the inner hole of the rotary ring and forms an hourglass shape, and the side wall of the pressing piece is matched with the conical section.

6. The adjustable cantilever rotary joint according to claim 5, wherein: the top surface of the upper pressing piece is provided with a knob groove, and the adjusting knob is embedded in the knob groove.

7. The adjustable cantilever rotary joint according to claim 6, wherein: the rotating piece is provided with an equipment connecting screw rod, and a locking nut is arranged on the equipment connecting screw rod.

8. The adjustable cantilever rotary joint according to claim 7, wherein: the rotating seat is provided with a square pipe connector.