CN219673090U - Universal ball clamping device and connecting device - Google Patents
Universal ball clamping device and connecting device Download PDFInfo
- Publication number
- CN219673090U CN219673090U CN202321165939.4U CN202321165939U CN219673090U CN 219673090 U CN219673090 U CN 219673090U CN 202321165939 U CN202321165939 U CN 202321165939U CN 219673090 U CN219673090 U CN 219673090U
- Authority
- CN
- China
- Prior art keywords
- clamping
- tightening
- ball
- cavity
- knob
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 238000007789 sealing Methods 0.000 claims description 6
- 230000005540 biological transmission Effects 0.000 description 6
- 230000004048 modification Effects 0.000 description 4
- 238000012986 modification Methods 0.000 description 4
- 238000006243 chemical reaction Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Clamps And Clips (AREA)
Abstract
The utility model relates to the technical field of universal wheel fixing structures, in particular to a universal ball clamping device and a connecting device. The device comprises a main body, a strip screw, a pre-tightening ball sleeve, a clamping assembly and a knob assembly; the main body is internally provided with a cavity, an opening is arranged upwards, and the side wall is provided with a through hole; the cavity is folded towards the opening; the pre-tightening ball sleeve is arranged in the cavity and provided with a pre-tightening cavity facing the opening; the clamping assembly comprises a first clamping piece and a second clamping piece, and the first clamping piece is arranged on the inner wall of the cavity opposite to the through hole and is propped against the pre-tightening ball sleeve; the second clamping piece is arranged between the pre-tightening ball sleeve and the inner wall of the cavity and is arranged at one side close to the through hole; the tail part of the strip screw is arranged on the first clamping piece; the knob assembly is arranged in the through hole, the thread sleeve is arranged on the strip screw, and the screwing side abuts against the second clamping piece. The utility model improves the wrapping property of the clamped universal ball and avoids the problem that the universal ball slips in the pre-tightening cavity.
Description
Technical Field
The utility model relates to the technical field of universal wheel fixing structures, in particular to a universal ball clamping device and a connecting device.
Background
The universal ball support utilizes the characteristics of the mechanism, so that the direction between two supported objects can be freely adjusted within a certain range, and the clamping force can be adjusted by the clamping plate to firmly support the objects. In the prior art, the universal ball is generally clamped and fixed by two clamping plates, a preset space of the universal ball is arranged between the two clamping plates, and a groove matched with the universal ball is arranged in the preset space, so that the universal ball can freely rotate, and the pretightening degree between the two clamping plates can be adjusted through a knob; still, predetermine the universal ball in the cavity of fixed main part, be provided with the ring in the fixed main part, the universal ball sets up on the inner ring of ring, through the inner wall of ring and cavity with the centre gripping of universal ball, then adjust the internal diameter size of ring and adjust the pretightning force. The above two ways of fixing the universal ball can realize the free adjustment of the direction of the universal ball, but the wrapping property is insufficient, so that the universal ball is easy to slip in the preset cavity.
Disclosure of Invention
The utility model provides a universal ball clamping device and a connecting device, which are used for solving the problem that the universal ball in the background art is insufficient in wrapping property in a preset cavity and easily slips in the preset cavity.
In order to solve the technical problems, the technical scheme of the utility model is as follows:
in a first aspect, the utility model provides a universal ball clamping device, which comprises a main body, a strip screw, a pre-tightening ball sleeve for clamping a universal ball, a clamping assembly for clamping the pre-tightening ball sleeve, and a knob assembly for clamping the pre-tightening ball sleeve by screwing in the clamping assembly in a matched manner with the strip screw;
the main body is internally provided with a cavity, an opening is arranged upwards, and a through hole is arranged on the side wall; the cavity is folded towards the opening; the pre-tightening ball sleeve is arranged in the cavity and provided with a pre-tightening cavity facing the opening and used for accommodating the universal ball in a matching manner; the clamping assembly comprises a first clamping piece and a second clamping piece, and the first clamping piece is arranged on the inner wall of the cavity opposite to the through hole and abuts against the pre-tightening ball sleeve; the second clamping piece is arranged between the pre-tightening ball sleeve and the inner wall of the cavity and is arranged at one side close to the through hole; the tail part of the strip screw sequentially passes through the through hole, the second clamping piece and the pre-tightening ball sleeve from outside to inside and is arranged on the first clamping piece; the knob assembly is arranged in the through hole, the long screw is sleeved with threads, and the screwing side of the knob assembly abuts against the second clamping piece.
In some preferred embodiments, the first clamping member and the second clamping member are each provided in an arc shape, and two arc-shaped ends of the second clamping member are arranged between the first clamping member and the pre-tightening ball sleeve.
In some preferred embodiments, the second clamping member is provided with a plurality of pressing arms and a pressing block, and the pressing block is arranged between the pre-tightening ball sleeve and the inner wall of the cavity and is abutted with the knob assembly; one end of the pressing arm is connected with one end of the pressing block, and the other end of the pressing arm is arranged between the first clamping piece and the pre-tightening ball sleeve.
In some preferred embodiments, at least one end of the pressing block is provided with a connecting protrusion, the pressing arm is provided with a connecting part matched with the connecting protrusion, and the connecting part of the pressing arm is movably connected with the connecting protrusion of the pressing block through a pin.
In some preferred embodiments, a slip-preventing protrusion is disposed on a side of the first clamping member opposite to the pre-tightening ball sleeve, and an anti-slip groove is disposed at one end of the pressing arm between the first clamping member and the pre-tightening ball sleeve, and the anti-slip groove is matched with the slip-preventing protrusion.
In some preferred embodiments, the first clamping member is provided with a thread groove and a first screw from bottom to top, the long-strip screw penetrates into the thread groove, and the first screw is arranged in the thread groove to lock the long-strip screw.
In some preferred embodiments, the pre-tightening ball sleeve is provided with a plurality of clamping arms, and the plurality of clamping arms form an arc surface structure matched with the universal ball.
In some preferred embodiments, the knob assembly includes a knob, a knob driving member threadedly mounted on the elongated screw, and a second screw threaded through the knob from top to bottom to lock the knob to the knob driving member.
In some preferred embodiments, an annular groove is formed in the outer circumference of the knob, and a sealing ring for preventing the knob from shaking is arranged on the annular groove and is abutted against the through hole.
In a second aspect, the present utility model provides a connection device, including a switching rod, a universal ball connecting rod and a universal ball clamping device according to the first aspect, wherein the universal ball connecting rod is disposed in a pre-tightening cavity of a pre-tightening ball sleeve at one end of the universal ball clamping device; the switching rod is in threaded connection with the other end of the universal ball clamping device.
The utility model has the beneficial effects that:
the utility model adopts the pre-tightening ball sleeve to arrange the pre-tightening cavity for accommodating and wrapping the universal ball to clamp the universal ball, thereby improving the wrapping property of the clamped universal ball. The universal ball is wrapped through the pre-tightening cavity arranged on the pre-tightening ball sleeve, and the pre-tightening degree of the pre-tightening ball sleeve clamped by the pre-tightening ball sleeve is adjusted by screwing in or screwing out the knob assembly, so that the free angle adjustment of the universal ball can be realized. The utility model improves the wrapping property of the clamped universal ball and avoids the problem that the universal ball slips in the pre-tightening cavity.
Drawings
Fig. 1 is a schematic structural view of a universal ball clamping device provided by the utility model.
Fig. 2 is an exploded view of the universal ball clamping device provided by the present utility model.
Fig. 3 is a cross-sectional view showing a pre-tightening state of the universal ball clamping device provided by the utility model.
FIG. 4 is a cross-sectional view of the universal ball clamping device provided by the present utility model in a relaxed state.
Fig. 5 is an enlarged partial cross-sectional view of the first clamping member and the elongated screw connection structure according to the present utility model.
Fig. 6 is a schematic structural view of the pre-tightening ball sleeve provided by the utility model.
Fig. 7 is an exploded view of a knob assembly provided by the present utility model.
Fig. 8 is an exploded view of a second clip provided by the present utility model.
Fig. 9 is an exploded view of a first clip provided by the present utility model.
Fig. 10 is a schematic structural diagram of a connection device provided by the present utility model.
Fig. 11 is a cross-sectional view of a connection device according to the present utility model.
Wherein: a main body 10, a cavity 11, a through hole 12;
a pre-tightening ball sleeve 20, a pre-tightening cavity 21 and a clamping arm 22;
first fastener 30, thread groove 301, first screw 302, and anti-slip boss 303;
the second clamping piece 31, the pressing arm 310, the connecting part 311, the anti-skid groove 312, the pressing block 320, the connecting protrusion 321 and the pin 322;
a long screw 40;
knob assembly 50, knob 51, annular groove 510, sealing ring 511, knob driving member 52, second screw 53;
a switching rod 1, a universal ball connecting rod 2 and a universal ball clamping device 3.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. The described embodiments are some, but not all, embodiments of the utility model.
Thus, the following detailed description of the embodiments of the utility model, as presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model. All other embodiments, based on the embodiments of the utility model, which are apparent to those of ordinary skill in the art without inventive faculty, are intended to be within the scope of the utility model.
Embodiment one:
as shown in fig. 1, the present embodiment provides a universal ball clamping device, which includes a main body 10, a pre-tightening ball sleeve 20, a clamping assembly, a strip screw 40 and a knob assembly 50, wherein a universal ball is disposed on the pre-tightening ball sleeve 20. Wherein the pre-tightening ball sleeve 20 is mainly used for clamping the universal ball part of the universal ball connecting rod. The clamping assembly is used primarily to clamp the pre-tensioned sleeve 20. The knob assembly 50 is used to engage the elongated screw 40 and compress the clamping assembly to clamp the pre-tensioned sleeve 20.
Specifically, referring to fig. 2, fig. 2 shows an exploded view of the universal ball clamping device of the present embodiment.
In this embodiment, the body 10 is internally provided with a cavity 11 and is upwardly provided with an opening, and the side wall is provided with a through hole 12. The cavity 11 is mainly used for arranging the pre-tightening ball sleeve 20, and the through hole 12 is mainly used for extruding the clamping assembly to clamp the pre-tightening ball sleeve 20 through the matching of the knob assembly 50 and the strip screw 40.
In this embodiment, the cavity 11 is folded towards the opening, which is mainly used to limit the pre-tightening ball sleeve 20 in the cavity 11 from sliding out of the opening, and further fold the pre-tightening ball sleeve 20.
In this embodiment, a pre-tightening ball socket 20 is provided in the cavity 11 inside the body 10 and is provided with a pre-tightening cavity 21. The pre-tightening cavity 21 is provided with an opening facing the cavity 11 and is mainly used for accommodating a universal ball in a matching manner, and the universal ball can freely move and turn when being placed in the pre-tightening cavity 21.
In this embodiment, the clamping assembly comprises a first clamping member 30 and a second clamping member 31, wherein the first clamping member 30 is arranged on the inner wall of the cavity 11 opposite to the through hole 12 and abuts against the pre-tightening ball socket 20. The second clamping member 31 is arranged between the pre-tightening ball sleeve 20 and the inner wall of the cavity 11 and on the side close to the through hole 12. The first clamping member 30 and the second clamping member 31 are mainly used for cooperatively clamping the pre-tightening ball sleeve 20.
In this embodiment, the tail of the strip screw 40 passes through the through hole 12, the second clamping member 31 and the pre-tightening ball socket 20 from outside to inside, and is disposed on the first clamping member 30. The knob assembly 50 is disposed in the through hole 12 and is screwed on the long screw 40, and the screwing side abuts against the second clamping member 31. When the knob assembly 50 is screwed in with the strip screw 40, the second clamping member 31 is pressed by the screwing side of the knob assembly 50, and the first clamping member 30 and the second clamping member 31 clamp the pre-tightening ball sleeve 20, so that the universal ball arranged on the pre-tightening ball sleeve 20 is pre-tightened.
Through the above structural connection, the universal ball clamping device of the present embodiment may have two states, namely, a pre-tightening state and a loosening state, as follows.
Pretension state: as shown in fig. 3, the knob assembly 50 is screwed in with the long screw 40, the screwing side of the knob assembly 50 is propped against the second clamping member 31, and the second clamping member 31 is extruded, and as the tail of the long screw 40 is arranged on the first clamping member 30, the first clamping member 30 and the second clamping member 31 are mutually closed, and are folded with the cavity 11 to clamp the pre-tightening ball sleeve 20, so that the universal ball is locked by the pre-tightening ball sleeve 20.
Relaxed state: as shown in fig. 4, the knob assembly 50 is rotated outward, the first and second clips 30 and 31 are loosened, and thus the pre-tightening ball sleeve 20 does not lock the ball, which is freely rotatable.
Through the above-mentioned structural connection, the working principle of this embodiment may be: firstly, the universal ball is arranged in the pre-tightening cavity 21 of the pre-tightening ball sleeve 20 in a loose state, after the steering of the universal ball is adjusted, the universal ball is screwed in through the knob assembly 50 in cooperation with the long screw 40, the screwing side of the knob assembly 50 is abutted against the second clamping piece 31, the second clamping piece 31 is pressed, the first clamping piece 30 and the second clamping piece 31 are mutually close to each other, the cavity 11 is matched to clamp the pre-tightening ball sleeve 20, and then the universal ball is locked by the pre-tightening ball sleeve 20.
Embodiment two:
on the basis of the above embodiment, the present embodiment is different in that:
the first clamping member 30 and the second clamping member 31 of this embodiment are both arc-shaped, and two arc-shaped ends of the second clamping member 31 are arranged between the first clamping member 30 and the pre-tightening ball sleeve 20. When the first clamping member 30 and the second clamping member 31 are close to each other, the two ends of the second clamping member 31 can move more smoothly, and the clamping of the first clamping member 30 is avoided, so that the effect of clamping the pre-tightening ball sleeve 20 is not affected.
As shown in fig. 5, in the present embodiment, the first clamping member 30 is provided with a thread groove 301 and a first screw 302 from bottom to top, the long screw 40 penetrates into the thread groove 301, and the first screw 302 is disposed in the thread groove 301 to lock the long screw 40, so that the first clamping member 30 and the second clamping member 31 can be mutually closed in the pre-tightening state.
As shown in fig. 6, the pre-tightening ball sleeve 20 is provided with a plurality of clamping arms 22, and the clamping arms 22 form an arc surface structure matched with the universal ball. The pre-tightening ball sleeve 20 is provided with a plurality of clamping arms 22, gaps are arranged among the clamping arms 22, and the clamping arms 22 can better realize the conversion between the pre-tightening state and the loosening state through the gaps.
As shown in fig. 7, the knob assembly 50 includes a knob 51, a knob driving member 52, and a second screw 53, and the knob 51 is threadedly engaged with the elongated screw 40 through the knob driving member 52. The second screw 53 passes through the knob 51 from top to bottom to lock the knob 51 to the knob driver 52. The knob driving member 52 is mainly used for moving the knob 51 and the long screw 40 in a threaded manner. The second screw 53 is mainly used for fixing between the knob 51 and the knob driving member 52.
In this embodiment, a ring groove 510 is provided on the outer circumference of the knob 51, and a seal ring 511 is provided on the ring groove 510, and the seal ring 511 abuts against the through hole 12. The sealing ring 511 is mainly used to prevent the knob 51 from shaking during the rotational movement.
Through the above-mentioned structural connection, the working principle of this embodiment may be: firstly, the universal ball is arranged in the pre-tightening cavity 21 of the pre-tightening ball sleeve 20 in a loose state, after the steering of the universal ball is adjusted, the knob assembly 50 is screwed in, the knob 51 is screwed in through the knob transmission piece 52 in cooperation with the strip screw 40, the screwing side of the knob transmission piece 52 is abutted against the second clamping piece 31, the second clamping piece 31 is extruded, the first clamping piece 30 and the second clamping piece 31 are mutually closed, two ends of the second clamping piece 31 are closed between the first clamping piece 30 and the pre-tightening ball sleeve 20, the pre-tightening ball sleeve 20 is extruded by cooperation with the first clamping piece 30, and the universal ball is locked by the pre-tightening ball sleeve 20 by cooperation with the cavity 11.
Embodiment III:
on the basis of the first or second embodiment, the present embodiment is different in that:
as shown in fig. 8, the second clamping member 31 of the present embodiment is provided with a plurality of pressing arms 310 and a pressing block 320, and the pressing block 320 is disposed between the pre-tightening ball sleeve 20 and the inner wall of the cavity 11 and abuts against the knob assembly 50. One end of the pressing arm 310 is connected with one end of the pressing block 320, and the other end is arranged between the first clamping piece 30 and the pre-tightening ball sleeve 20. The pressing block 320 is mainly used for pressing the pre-tightening ball sleeve 20 by pressing the transmission knob assembly 50, and the pressing arm 310 is mainly used for clamping the pre-tightening ball sleeve 20 by matching the pressing block 320 and the first clamping piece 30.
In this embodiment, at least one end of the pressing block 320 is provided with a connection protrusion 321, the pressing arm 310 is provided with a connection portion 311 matching with the connection protrusion 321, and the connection portion 311 of the pressing arm 310 is movably connected with the connection protrusion 321 of the pressing block 320 through a pin 322. The connection portion 311 is mainly used for connecting the pressing arm 310 and the pressing block 320, and enables the pressing arm 310 and the pressing block 320 to freely rotate.
In this embodiment, as shown in fig. 9, a protrusion 303 is provided on the side of the first clip member 30 opposite to the pre-tightening ball socket 20, and a cleat 312 is provided on the end of the pressing arm 310 between the first clip member 30 and the pre-tightening ball socket 20, and the protrusion 303 is matched with the cleat 312. When the second clip member 31 slides relative to the first clip member 30, the anti-slip groove 312 on the pressing arm 310 of the second clip member 31 slides arcuately along the anti-slip boss 303 of the first clip member 30.
Through the above-mentioned structural connection, the working principle of this embodiment may be: firstly, the universal ball is arranged in the pre-tightening cavity 21 of the pre-tightening ball sleeve 20 in a loose state, after the steering of the universal ball is adjusted, the knob assembly 50 is screwed in, the knob 51 is screwed in through the knob transmission piece 52 and matched with the long screw 40, the screwing side of the knob transmission piece 52 is abutted against the pressing block 320, the pressing block 320 is pressed, the first clamping piece 30 and the second clamping piece 31 are mutually close, the pressing arms 310 at the two ends of the pressing block 320 slide along the anti-skidding protrusions 303 of the first clamping piece 30, the pre-tightening ball sleeve 20 is pressed and gathered, and the cavities 11 are further matched to clamp the clamping arms 22 of the pre-tightening ball sleeve 20, so that the universal ball is locked by the pre-tightening ball sleeve 20.
Embodiment four:
as shown in fig. 10, the present embodiment provides a connection device including a joint rod 1, a ball joint rod 2, and a ball clamping device 3 as described in any one of the first to third embodiments. Wherein the universal ball connecting rod 2 is arranged in a pre-tightening cavity 21 of a pre-tightening ball sleeve 20 at one end of the universal ball clamping device 3. The adapter rod 1 is in threaded connection with the other end of the universal ball clamping device 3.
Specifically, as shown in fig. 11, in order to more clearly represent the adapter rod 1 and the ball joint lever 2, the structure of part of the ball clamp device 3 is omitted in fig. 10.
The universal ball clamping device 3 comprises a main body 10, a strip screw 40, a pre-tightening ball sleeve 20, a clamping assembly and a knob assembly 50, wherein a universal ball is arranged on the pre-tightening ball sleeve 20. Wherein the pre-tightening ball sleeve 20 is mainly used for clamping the universal ball. The clamping assembly is used primarily to clamp the pre-tensioned sleeve 20. The knob assembly 50 is used to engage the elongated screw 40 and compress the clamping assembly to clamp the pre-tensioned sleeve 20.
As shown in fig. 2, in the present embodiment, a cavity 11 is provided inside a main body 10, and is opened upward, and a side wall is provided with a through hole 12. The cavity 11 is mainly used for arranging the pre-tightening ball sleeve 20, and the through hole 12 is mainly used for extruding the clamping assembly to clamp the pre-tightening ball sleeve 20 through the matching of the knob assembly 50 and the strip screw 40.
In this embodiment, the cavity 11 is folded towards the opening, which is mainly used to limit the pre-tightening ball sleeve 20 in the cavity 11 from sliding out of the opening, and further fold the pre-tightening ball sleeve 20.
In this embodiment, a pre-tightening ball socket 20 is provided in the cavity 11 inside the body 10 and is provided with a pre-tightening cavity 21. The pre-tightening cavity 21 is provided with an opening facing the cavity 11 and is mainly used for accommodating a universal ball in a matching manner, and the universal ball can freely move and turn when being placed in the pre-tightening cavity 21.
In this embodiment, the clamping assembly comprises a first clamping member 30 and a second clamping member 31, wherein the first clamping member 30 is arranged on the inner wall of the cavity 11 opposite to the through hole 12 and abuts against the pre-tightening ball socket 20. The second clamping member 31 is arranged between the pre-tightening ball sleeve 20 and the inner wall of the cavity 11 and on the side close to the through hole 12. The first clamping member 30 and the second clamping member 31 are mainly used for cooperatively clamping the pre-tightening ball sleeve 20.
In this embodiment, the tail of the strip screw 40 passes through the through hole 12, the second clamping member 31 and the pre-tightening ball socket 20 from outside to inside, and is disposed on the first clamping member 30. The knob assembly 50 is disposed in the through hole 12 and is screwed on the long screw 40, and the screwing side abuts against the second clamping member 31. When the knob assembly 50 is screwed in with the strip screw 40, the second clamping member 31 is pressed by the screwing side of the knob assembly 50, and the first clamping member 30 and the second clamping member 31 clamp the pre-tightening ball sleeve 20, so that the universal ball arranged on the pre-tightening ball sleeve 20 is pre-tightened.
The first clamping member 30 and the second clamping member 31 of this embodiment are both arc-shaped, and two arc-shaped ends of the second clamping member 31 are arranged between the first clamping member 30 and the pre-tightening ball sleeve 20. When the first clamping member 30 and the second clamping member 31 are close to each other, the two ends of the second clamping member 31 can move more smoothly, and the clamping of the first clamping member 30 is avoided, so that the effect of clamping the pre-tightening ball sleeve 20 is not affected.
Referring to fig. 5, in this embodiment, the first clamping member 30 is provided with a thread groove 301 and a first screw 302 from bottom to top, the long screw 40 penetrates into the thread groove 301, and the first screw 302 is disposed in the thread groove 301 to lock the long screw 40, so that the first clamping member 30 and the second clamping member 31 can be close to each other in the pre-tightening state.
Referring to fig. 6, the pre-tightening ball sleeve 20 is provided with a plurality of clamping arms 22, and the clamping arms 22 form an arc surface structure matched with the universal ball. The pre-tightening ball sleeve 20 is provided with a plurality of clamping arms 22, gaps are arranged among the clamping arms 22, and the clamping arms 22 can better realize the conversion between the pre-tightening state and the loosening state through the gaps.
Referring to fig. 7, the knob assembly 50 includes a knob 51, a knob driving member 52, and a second screw 53, wherein the knob 51 is threadedly engaged with the elongated screw 40 via the knob driving member 52. The second screw 53 passes through the knob 51 from top to bottom to lock the knob 51 to the knob driver 52. The knob driving member 52 is mainly used for moving the knob 51 and the long screw 40 in a threaded manner. The second screw 53 is mainly used for fixing between the knob 51 and the knob driving member 52.
In this embodiment, a ring groove 510 is provided on the outer circumference of the knob 51, and a seal ring 511 is provided on the ring groove 510, and the seal ring 511 abuts against the through hole 12. The sealing ring 511 is mainly used to prevent the knob 51 from shaking during the rotational movement.
Referring to fig. 8, the second clamping member 31 of the present embodiment is provided with a plurality of pressing arms 310 and a pressing block 320, and the pressing block 320 is disposed between the pre-tightening ball sleeve 20 and the inner wall of the cavity 11 and abuts against the knob assembly 50. One end of the pressing arm 310 is connected with one end of the pressing block 320, and the other end is arranged between the first clamping piece 30 and the pre-tightening ball sleeve 20. The pressing block 320 is mainly used for pressing the pre-tightening ball sleeve 20 by pressing the transmission knob assembly 50, and the pressing arm 310 is mainly used for clamping the pre-tightening ball sleeve 20 by matching the pressing block 320 and the first clamping piece 30.
In this embodiment, at least one end of the pressing block 320 is provided with a connection protrusion 321, the pressing arm 310 is provided with a connection portion 311 matching with the connection protrusion 321, and the connection portion 311 of the pressing arm 310 is movably connected with the connection protrusion 321 of the pressing block 320 through a pin 322. The connection portion 311 is mainly used for connecting the pressing arm 310 and the pressing block 320, and enables the pressing arm 310 and the pressing block 320 to freely rotate.
In this embodiment, a protrusion 303 is provided on a side of the first clip member 30 opposite to the pre-tightening ball socket 20, and a cleat 312 is provided on an end of the pressing arm 310 between the first clip member 30 and the pre-tightening ball socket 20, the protrusion 303 being matched with the cleat 312. When the second clip member 31 slides relative to the first clip member 30, the anti-slip groove 312 on the pressing arm 310 of the second clip member 31 slides arcuately along the anti-slip boss 303 of the first clip member 30.
In this embodiment, the ball joint lever 2 is disposed in a pre-tightening cavity 21 of a pre-tightening ball socket 20 at one end of the body 10. The adapter rod 1 is screwed with the other end of the main body 10.
While the utility model has been described in conjunction with the specific embodiments above, it is evident that many alternatives, modifications and variations will be apparent to those skilled in the art in light of the foregoing description. Accordingly, all such alternatives, modifications, and variations are included within the spirit and scope of the following claims. The above examples of the present utility model are only examples for clearly illustrating the present utility model, and are not limiting of the embodiments of the present utility model. Other variations or modifications of the above teachings will be apparent to those of ordinary skill in the art. It is not necessary here nor is it exhaustive of all embodiments. Any modification, equivalent replacement, improvement, etc. which come within the spirit and principles of the utility model are desired to be protected by the following claims.
Claims (10)
1. The universal ball clamping device is characterized by comprising a main body, a strip screw, a pre-tightening ball sleeve for clamping a universal ball, a clamping assembly for clamping the pre-tightening ball sleeve, and a knob assembly for clamping the pre-tightening ball sleeve by being matched with the strip screw and screwed into the clamping assembly;
the main body is internally provided with a cavity, an opening is arranged upwards, and a through hole is arranged on the side wall; the cavity is folded towards the opening; the pre-tightening ball sleeve is arranged in the cavity and provided with a pre-tightening cavity facing the opening and used for accommodating the universal ball in a matching manner; the clamping assembly comprises a first clamping piece and a second clamping piece, and the first clamping piece is arranged on the inner wall of the cavity opposite to the through hole and abuts against the pre-tightening ball sleeve; the second clamping piece is arranged between the pre-tightening ball sleeve and the inner wall of the cavity and is arranged at one side close to the through hole; the tail part of the strip screw sequentially passes through the through hole, the second clamping piece and the pre-tightening ball sleeve from outside to inside and is arranged on the first clamping piece; the knob assembly is arranged in the through hole, the long screw is sleeved with threads, and the screwing side of the knob assembly abuts against the second clamping piece.
2. The ball clamp device of claim 1, wherein the first clamp member and the second clamp member are each configured as an arc, and wherein the second clamp member is configured with arcuate ends disposed between the first clamp member and the pre-tensioned ball sleeve.
3. The universal ball clamping device according to claim 2, wherein the second clamping piece is provided with a plurality of pressing arms and pressing blocks, and the pressing blocks are arranged between the pre-tightening ball sleeve and the inner wall of the cavity and are abutted with the knob assembly; one end of the pressing arm is connected with one end of the pressing block, and the other end of the pressing arm is arranged between the first clamping piece and the pre-tightening ball sleeve.
4. The universal ball clamping device according to claim 3, wherein at least one end of the pressing block is provided with a connecting protrusion, the pressing arm is provided with a connecting portion matched with the connecting protrusion, and the connecting portion of the pressing arm is movably connected with the connecting protrusion of the pressing block through a pin.
5. A ball clamping device according to claim 3, wherein a slip-resistant protrusion is provided on a side of the first clamping member opposite the pre-tightening ball sleeve, and an anti-slip groove is provided at an end of the pressing arm between the first clamping member and the pre-tightening ball sleeve, the anti-slip groove being arranged in a matching manner with the slip-resistant protrusion.
6. The ball clamping device of claim 1, wherein the first clamping member is provided with a thread groove and a first screw from bottom to top, the elongated screw is threaded into the thread groove, and the first screw is disposed in the thread groove to lock the elongated screw.
7. The ball clamping device of claim 1, wherein the pre-tightening ball sleeve is provided with a plurality of clamping arms, and a plurality of clamping arms form an arc surface structure matched with the ball.
8. The ball clamp of claim 1, wherein the knob assembly includes a knob, a knob driver, and a second screw, the knob driver being threadably received on the elongated screw, the second screw passing through the knob from top to bottom to lock the knob to the knob driver.
9. The universal ball clamping device according to claim 8, wherein a circular ring groove is formed in the outer circumference of the knob, a sealing ring for preventing the knob from shaking is arranged on the circular ring groove, and the sealing ring is abutted with the through hole.
10. A connecting device, which is characterized by comprising a switching rod, a universal ball connecting rod and the universal ball clamping device according to any one of claims 1-9, wherein the universal ball connecting rod is arranged in a pre-tightening cavity of a pre-tightening ball sleeve at one end of the universal ball clamping device; the switching rod is in threaded connection with the other end of the universal ball clamping device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321165939.4U CN219673090U (en) | 2023-05-15 | 2023-05-15 | Universal ball clamping device and connecting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321165939.4U CN219673090U (en) | 2023-05-15 | 2023-05-15 | Universal ball clamping device and connecting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219673090U true CN219673090U (en) | 2023-09-12 |
Family
ID=87921538
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321165939.4U Active CN219673090U (en) | 2023-05-15 | 2023-05-15 | Universal ball clamping device and connecting device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219673090U (en) |
-
2023
- 2023-05-15 CN CN202321165939.4U patent/CN219673090U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US5845885A (en) | Universally positionable mounting device | |
| JPH10512936A (en) | Valve connector | |
| US20030080267A1 (en) | Multi-sized clamp | |
| TW201907624A (en) | Wedge connector assembly and method and linkage therewith | |
| CN102022669A (en) | Light fixture and fixing device thereof | |
| US8534165B2 (en) | Adjustable tool extender | |
| US20080168867A1 (en) | Apparatus for fastening screw-threaded cable connections | |
| CN110757382B (en) | Self-locking reducing wrench socket | |
| CN219673090U (en) | Universal ball clamping device and connecting device | |
| US20190061126A1 (en) | Multi-tool with quicklink removal tool | |
| CN1809446A (en) | A wrench | |
| US7013765B2 (en) | Sectional adjustable socket tool handle | |
| CN1227474C (en) | Improvements in or relating to clamps for elongate members | |
| US20070107560A1 (en) | Ratchet wrench | |
| CN110744480B (en) | Self-locking reducing manipulator | |
| US20180354300A1 (en) | Motor vehicle tool | |
| CN203317310U (en) | Sleeve capable of enabling stud to be rapidly tightened | |
| CN217751209U (en) | Self-tightening hexagonal sleeve | |
| CN217081105U (en) | Cantilever support | |
| TW202039171A (en) | Extendable wrench capable of extending operational moment arm | |
| CA2851459A1 (en) | Adjustable ratcheting socket tool | |
| CN100431796C (en) | Adjustable screwdriver structure | |
| CN207616459U (en) | Quick-release multifunctional wrench | |
| CN212267708U (en) | Umbrella handle fixing device, umbrella and bicycle | |
| MX2013003031A (en) | Squeezing head torque tool. |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |