CN211344622U - Directional bearing structure and have its foot rest of making a video recording - Google Patents
Directional bearing structure and have its foot rest of making a video recording Download PDFInfo
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- CN211344622U CN211344622U CN201922082081.5U CN201922082081U CN211344622U CN 211344622 U CN211344622 U CN 211344622U CN 201922082081 U CN201922082081 U CN 201922082081U CN 211344622 U CN211344622 U CN 211344622U
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Abstract
The utility model provides a directional supporting structure, including base, revolving ball, connecting axle, locking device and spheroid fixing device, the revolving ball is fixed in the base with rotary motion, locking device moves down the joint in the base top along the connecting axle axial and limits the connecting axle and the relative base skew of revolving ball, locking device moves up along the connecting axle axial and breaks away from with base top joint, the connecting axle drives the revolving ball and does circumference and every single move skew relative to the base, spheroid fixing device carries out spacing fixed to the revolving ball; the camera shooting foot rest with the directional supporting structure also comprises a switching fixing device and at least three foot rests, wherein the camera is fixed, and all the parts are stably placed on the ground through the foot rests. The utility model discloses a reciprocate simply and the structure of joint locking has realized a more convenient and fast reliable stable bearing structure for connecting axle and rotatory ball can keep under an angle firmly, and provide fine support.
Description
Technical Field
The utility model belongs to the technical field of the equipment of making a video recording, especially, relate to a directional bearing structure and have its foot rest of making a video recording.
Background
With the diversification of entertainment of people, the use of electronic photographing equipment for photographing and shooting is an interest of many people, and when the electronic photographing equipment is used for shooting, a foot stool for fixing the electronic photographing equipment is usually used for assisting shooting in order to reduce the shaking of the electronic photographing equipment during shooting and improve the shooting quality. The common fixed foot rest on the market at present can not shoot all-round, only shoots in the horizontal direction, if need have certain shooting inclination, then present common fixed foot rest can't satisfy.
Therefore, an optimized and effective structure and a foot rest are needed to meet the requirements of shooting at different angles, improve the stability of shooting at various angles and realize conversion at different angles through simple and quick operation.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is to provide a directional bearing structure and have its foot rest of making a video recording, through rotatory switching locking device from top to bottom, satisfy the demand to the different shooting angles when shooing, wherein the angle can reach 90 to the biggest to through effectual fixed limit structure, stability when improving shooting under the various angles, convenient operation, simple swift is stable effective.
In order to solve the technical problem, the utility model provides a directional supporting structure, which comprises a base, a rotating ball, a connecting shaft, a locking device and a ball body fixing device;
the rotary ball is fixed on the base in a rotary motion manner, a T-shaped boss with an external thread is arranged at the lower end of the connecting shaft and is in threaded connection with the rotary ball, a ball fixing device is arranged at the lower end of the base, and the locking device is sleeved on the connecting shaft;
the locking device moves downwards along the axial direction of the connecting shaft and is clamped at the top of the base to limit the deviation of the connecting shaft and the rotating ball relative to the base;
the locking device moves upwards along the axial direction of the connecting shaft, then is separated from the locking device and is clamped with the top of the base, the connecting shaft drives the rotating ball to be opposite to the base, the rotating ball is subjected to circumferential and pitching offset, and the ball fixing device is used for limiting and fixing the rotating ball.
Further, spheroid fixing device includes spheroid packing ring, spheroid latch segment, spheroid locking screw and spheroid locking knob, spheroid locking screw one end spiro union in the inside screw hole of spheroid locking knob, the spheroid locking screw other end is fixed with the spheroid latch segment, the spheroid latch segment is kept away from the one end of spheroid locking screw is right angle triangular prism structure to the side orientation that its triangular hypotenuse and arris enclosed the spheroid packing ring, the spheroid packing ring be provided with the corresponding locking inclined plane of right angle triangular prism contact surface, set up porosely on the base side and be fixed with spheroid locking screw matched with compels tight nut.
Furthermore, the top of the base is provided with an opening, the opening is in clamping fit with the lower end of the locking device, a U-shaped hole is formed in one side of the opening, and the connecting shaft is clamped in the U-shaped hole at a maximum angle of 90 degrees away from the vertical axis.
Furthermore, the locking device comprises an adjusting sleeve, a positioning block, an insertion block and a spring, and a threaded hole in threaded connection with the upper end of the connecting shaft is formed in the center of the positioning block;
the spring and the inserting block are sequentially sleeved on the connecting shaft and are axially limited by the positioning block in threaded connection with the connecting shaft, one end of the spring is connected with the inserting block, the other end of the spring is connected with the positioning block, the spring provides downward spring force for the inserting block, and the lower end of the inserting block is movably clamped and fixed on the opening at the top of the base;
the adjusting sleeve is sleeved on the positioning block, the lower end of the adjusting sleeve is locked and fixed with the inserting block, and a bayonet lock guide groove structure which is convenient for the floating lock of the adjusting sleeve to be locked at the lower side or the upper side of the positioning block and for the guide lock connection after the adjusting sleeve deflects a certain angle and is switched between the lower side of the positioning block and the upper side of the positioning block is further arranged between the adjusting sleeve and the contact surface of the positioning block;
when the adjusting sleeve is separated from the clamping connection with the lower side of the positioning block and is clamped on the upper side of the positioning block, the adjusting sleeve drives the inserting block to move upwards along the axial direction of the connecting shaft, and after the clamping connection of the inserting block and the opening at the top of the base is released, the connecting shaft drives the rotating ball to perform circumferential and pitching offset relative to the base, and the rotating ball is limited and fixed through the ball fixing device;
when the adjusting sleeve is separated from the upper side of the positioning block and is clamped and locked at the lower side of the positioning block, the adjusting sleeve drives the inserting block to move downwards along the axial direction of the connecting shaft, and simultaneously drives the inserting block to be clamped and connected with the top opening of the base, so that the connecting shaft and the rotating ball are limited to deflect relative to the base.
Furthermore, the bayonet lock guide groove structure is characterized in that the adjusting sleeve is provided with at least one limiting bump on the surface in contact with the positioning block, and the positioning block is provided with clamping groove slideways with the same number as the limiting bumps on the surface in contact with the adjusting sleeve.
Furthermore, the clamping groove slideway is of a T-shaped groove structure, wherein the slideway positioned at the upper part of the positioning block is a first clamping groove, the upper end of the first clamping groove is open, the slideway positioned at the lower part of the positioning block is a second clamping groove, and the first clamping groove and the second clamping groove are connected through a vertical slideway;
when the limiting lug on the adjusting sleeve moves upwards and rotates to the first clamping groove, the adjusting sleeve drives the inserting block to move upwards along the axial direction of the connecting shaft, and meanwhile, the inserting block is released from being clamped with the opening at the top of the base;
when the limiting lug on the adjusting sleeve moves downwards and rotates to the second clamping groove, the adjusting sleeve drives the inserting block to move downwards along the axial direction of the connecting shaft, and meanwhile, the inserting block is driven to be clamped with the top opening of the base.
Furthermore, the clamping groove slide way is of a trapezoidal groove structure, wherein the slide way positioned at the upper part of the positioning block is a first clamping groove, the upper end of the first clamping groove is opened, the slide way positioned at the lower part of the positioning block is a second clamping groove, and the first clamping groove and the second clamping groove are connected through a slide way which rotates clockwise and faces downwards;
when the limiting lug on the adjusting sleeve is rotated to the first clamping groove in the anticlockwise direction, the adjusting sleeve drives the inserting block to move upwards along the axial direction of the connecting shaft, and meanwhile, the inserting block is released from being clamped with the top opening of the base;
when the limiting lug on the adjusting sleeve rotates clockwise to the second clamping groove, the adjusting sleeve drives the inserting block to move downwards along the axial direction of the connecting shaft, and meanwhile, the inserting block is driven to be clamped with the top opening of the base.
Further, the number of the clamping groove slide ways and the number of the limiting lugs are 3.
Further, the utility model also provides a camera shooting foot rest, including foretell directional bearing structure, switching fixing device and at least three foot rest, switching fixing device is fixed in the connecting axle upper end, the foot rest is fixed in on the base.
Furthermore, the switching fixing device comprises a switching seat and a connecting screw rod, the center of the switching seat is provided with a threaded hole, the switching seat is fixed at the upper end of the connecting shaft in a threaded mode, the connecting screw rod with an internal thread groove is arranged at one end of the connecting screw rod in a threaded mode and is connected to a boss of the switching seat with an external thread in a threaded mode, and the other end of the connecting screw rod extends outwards and is provided with an external thread.
The utility model has the advantages that:
the utility model provides a directional supporting structure, including base, revolving ball, connecting axle, locking device and spheroid fixing device, the revolving ball is fixed in the base with rotary motion, the lower extreme of connecting axle with the revolving ball spiro union, the base lower extreme is equipped with spheroid fixing device, the locking device cover is located on the connecting axle, the locking device moves down the joint in the base top along the connecting axle axial to limit the connecting axle and revolving ball skew relative to the base; the locking device moves upwards along the axial direction of the connecting shaft and then is separated from being clamped with the top of the base, the connecting shaft drives the rotating ball to make circumferential and pitching offset relative to the base, and the ball fixing device is used for limiting and fixing the rotating ball; the camera shooting foot rest with the directional supporting structure also comprises a switching fixing device and at least three foot rests, wherein the camera is fixed, and all the parts are stably placed on the ground through the foot rests. The utility model discloses a reciprocate simply and the structure of joint locking has realized a more convenient and fast reliable stable bearing structure for connecting axle and rotatory ball can keep under an angle firmly, and provide fine support.
Drawings
The present invention is further explained by using the drawings, but the embodiments in the drawings do not constitute any limitation to the present invention, and for those skilled in the art, other drawings can be obtained according to the following drawings without any inventive work.
Fig. 1 is a schematic view of a directional supporting structure and a camera tripod with the same in a vertical state.
Fig. 2 is a schematic view of a directional supporting structure and a camera tripod with the same in an inclined state.
Fig. 3 is an embodiment of a locking device bayonet guide groove structure in a directional support structure provided by the present invention.
Fig. 4 is another embodiment of a locking device bayonet guide slot structure in a directional support structure provided by the present invention.
Fig. 5 is an exploded view of the directional supporting structure and the camera tripod with the same provided by the present invention.
Detailed Description
The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "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 of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
The embodiment provides a directional supporting structure, as shown in fig. 1, comprising a base 1, a rotating ball 2, a connecting shaft 3, a locking device 4 and a ball fixing device 5;
the rotary ball 2 is fixed on the base 1 in a rotary motion way, the lower end of the connecting shaft 3 is provided with a T-shaped boss with an external thread and is in threaded connection with the rotary ball 2, the lower end of the base 1 is provided with a ball fixing device 5, and a locking device 4 is sleeved on the connecting shaft 3;
the locking device 4 moves downwards along the axial direction of the connecting shaft 3 and is clamped at the top of the base 1 to limit the deviation of the connecting shaft 3 and the rotating ball 2 relative to the base 1;
It should be noted that the lower end of the connecting shaft 3 is in threaded connection with the rotating ball 2, the other end of the connecting shaft is fixed with the locking device 4, the locking device 4 can move up and down relative to the connecting shaft 3, the rotating ball 2 is fixed on the base 1 in a rotatable manner, and the lower end of the base 1 is provided with the ball fixing device 5; when the connecting shaft 3 needs to be vertically placed, the locking device 4 moves downwards and the lower end of the locking device is inserted into the base 1, and the locking device and the sphere fixing device 5 at the lower end of the base 1 act together to form fixed positioning; when the connecting shaft 3 needs to be rotated to a certain angle, the locking device 4 is moved upwards and the lower end of the locking device is separated from the base 1, and the ball can be fixed through the ball fixing device 5 at the lower end of the base 1.
The sphere fixing device 5 comprises a sphere washer 51, a sphere locking block 54, a sphere locking screw 53 and a sphere locking knob 52, one end of the sphere locking screw 53 is screwed into the internal threaded hole of the sphere locking knob 52, the other end of the sphere locking screw 53 is fixed with the sphere locking block 54, one end of the sphere locking block 54 far away from the sphere locking screw 53 is of a right-angle triangular prism structure, the triangular bevel edge faces the sphere washer 51 towards the side surrounded by the prism, the sphere washer 51 is provided with a locking inclined plane corresponding to the contact surface of the right-angle triangular prism, and the side of the base 1 is provided with a hole and fixed with a packing nut 55 matched with the sphere locking screw 53.
It should be noted that, when the connecting shaft 3 needs to be rotated by a certain angle, because the locking device 4 is disengaged from the base 1, the sphere fixing device 5 at the bottom of the rotating ball 2 needs to be rotated to perform compression fixation at this time, the sphere fixing device 5 includes a sphere washer 51, a sphere locking block 54, a sphere locking screw 53 and a sphere locking knob 52, the sphere locking knob 52 is adjusted to move the sphere locking screw 53 toward the axis of the base 1 relative to the packing nut 55, so that the sphere locking block 54 fixed at one end of the sphere locking screw 53 is more tightly attached to the locking inclined surface of the sphere washer 51, wherein one end of the sphere locking block 54 away from the sphere locking screw 53 is in a right-angled triangular prism structure, and the sphere locking block 54 and the sphere locking screw 53 are fixed in a clamping manner.
The top of the base 1 is provided with an opening, the opening is in clamping fit with the lower end of the locking device 4, a U-shaped hole is formed in one side of the opening, and the connecting shaft 3 is clamped in the U-shaped hole at a maximum angle of 90 degrees away from the vertical axis.
It should be noted that the top of the base 1 is provided with an opening which is in clamping fit with the lower end of the locking device 4, a U-shaped hole is formed in one side of the opening, the connecting shaft 3 can be clamped in the U-shaped hole and can swing to the maximum angle of 90 degrees, and the connecting shaft 3 and the ground are horizontally placed.
As shown in fig. 2, the locking device 4 comprises an adjusting sleeve 42, a positioning block 41, an insertion block 44 and a spring 43, wherein a threaded hole in threaded connection with the upper end of the connecting shaft 3 is formed in the center of the positioning block 41;
the spring 43 and the inserting block 44 are sequentially sleeved on the connecting shaft 3 and axially limited by the positioning block 41 which is connected to the connecting shaft 3 through threads, one end of the spring 43 is connected with the inserting block 44, the other end of the spring 43 is connected with the positioning block 41, the spring 43 provides downward spring force for the inserting block 44, and the lower end of the inserting block 44 is movably clamped and fixed on the top opening of the base 1;
the adjusting sleeve 42 is sleeved on the positioning block 41, the lower end of the adjusting sleeve 42 is locked and fixed with the inserting block 44, and a bayonet lock guide groove structure which is convenient for the adjusting sleeve 42 to be locked on the lower side or the upper side of the positioning block 41 in a floating manner and for the adjusting sleeve 42 to deflect a certain angle and to be connected with the positioning block 41 in a guide and locking manner after being converted between the lower side of the positioning block 41 and the upper side of the positioning block 41 is further arranged between the contact surfaces of the adjusting sleeve 42 and the;
when the adjusting sleeve 42 is separated from the clamping connection with the lower side of the positioning block 41 and is clamped on the upper side of the positioning block 41, the adjusting sleeve 42 drives the inserting block 44 to move upwards along the axial direction of the connecting shaft 3, and after the inserting block 44 is released from being clamped with the top opening of the base 1, the connecting shaft 3 drives the rotary ball 2 to do circumferential and pitching offset relative to the base 1, and the rotary ball 2 is limited and fixed through the ball fixing device 5;
when the adjusting sleeve 42 is separated from the upper side of the positioning block 41 and locked at the lower side of the positioning block 41, the adjusting sleeve 42 drives the inserting block 44 to move downwards along the axial direction of the connecting shaft 3, and simultaneously drives the inserting block 44 to be locked with the top opening of the base 1, so that the connecting shaft 3 and the rotary ball 2 are limited to deviate relative to the base 1.
It should be noted that the positioning block 41 is fixed relative to the connecting shaft 3, the positioning block 41 is locked and adjusted with the adjusting sleeve 42, and the lower end of the adjusting sleeve 42 is locked and fixed with the inserting block 44 and can be in threaded connection or clamping connection; one end of the spring 43 is connected with the plug-in block 44, the other end is connected with the positioning block 41, and the spring 43 gives a downward spring force to the plug-in block 44 as an automatic guide spring force of the plug-in block 44 and the opening of the base 1; in addition, a bayonet lock guide groove structure is arranged between the contact surfaces of the adjusting sleeve 42 and the positioning block 41, and the adjusting sleeve 42 can be locked on the lower side or the upper side of the positioning block 41 in a floating manner, so that the clamping relation of the inserting block 44 and the top opening of the base 1 is adjusted, and the rotary offset relation of the connecting shaft 3 and the rotary ball 2 relative to the base 1 is realized; when the adjusting sleeve 42 is separated from the clamping connection with the lower side of the positioning block 41 and is clamped on the upper side of the positioning block 41, the adjusting sleeve 42 drives the inserting block 44 to move upwards along the axial direction of the connecting shaft 3, and after the inserting block 44 is released from being clamped with the top opening of the base 1, the connecting shaft 3 drives the rotary ball 2 to do circumferential and pitching offset relative to the base 1, and the rotary ball 2 is limited and fixed through the ball fixing device 5; when the adjusting sleeve 42 is separated from the upper side of the positioning block 41 and locked at the lower side of the positioning block 41, the adjusting sleeve 42 drives the inserting block 44 to move downwards along the axial direction of the connecting shaft 3, and simultaneously drives the inserting block 44 to be locked with the top opening of the base 1, so that the connecting shaft 3 and the rotary ball 2 are limited to deviate relative to the base 1. Through setting up this bayonet lock guide way structure, adjustable grafting piece 44 is convenient with easy operation reliable with base 1 open-top's joint relation, adjusts.
As shown in fig. 3, as an embodiment, the structure of the locking pin guiding groove is that the adjusting sleeve 42 is provided with at least one limiting projection 73 on the surface contacting with the positioning block 41, and the positioning block 41 is provided with the same number of locking pin slideways 7 as the limiting projections 73 on the surface contacting with the adjusting sleeve 42.
The clamping groove slideway 7 is of a T-shaped groove structure, wherein the slideway positioned at the upper part of the positioning block 41 is a first clamping groove 71, the upper end of the first clamping groove 71 is opened, the slideway positioned at the lower part of the positioning block 41 is a second clamping groove 72, and the first clamping groove 71 and the second clamping groove 72 are connected through a vertical slideway;
when the limiting lug 73 on the adjusting sleeve 42 moves upwards and rotates to the first clamping groove 71, the adjusting sleeve 42 drives the inserting block 44 to move upwards along the axial direction of the connecting shaft 3, and meanwhile, the inserting block 44 is released from being clamped with the top opening of the base 1;
when the limiting protrusion 73 on the adjusting sleeve 42 moves downward and rotates to the second engaging groove 72, the adjusting sleeve 42 drives the inserting block 44 to move downward along the axial direction of the connecting shaft 3, and simultaneously drives the inserting block 44 to be engaged with the top opening of the base 1.
It should be noted that the slot chute 7 is a T-shaped groove structure, the first slot 71 and the second slot 72 are connected by a vertical chute, the limit bump 73 on the inner wall surface of the adjusting sleeve 42 can move in the slot chute 7, and when the limit bump 73 on the inner wall surface of the adjusting sleeve 42 moves upward and rotates to the first slot 71, the adjusting sleeve 42 drives the plug-in block 44 to separate from the opening of the base 1, so that the connecting shaft 3 can rotate relative to the base 1 at multiple angles; when the limiting projection 73 on the inner wall surface of the adjusting sleeve 42 moves downwards and rotates to the second slot 72, the adjusting sleeve 42 drives the insertion block 44 to be inserted into the opening of the base 1, the insertion block 44 is inserted into the opening of the base 1 for limiting, and the ball fixing device 5 at the lower end of the rotary ball 2 is pressed tightly, so that the rotary ball 2 is fixed very firmly and has excellent stability.
As shown in fig. 4, as another embodiment, the card slot slide 7 has a trapezoidal groove structure, wherein the slide located at the upper portion of the positioning block 41 is a first card slot 71, the upper end of the first card slot 71 is open, the slide located at the lower portion of the positioning block 41 is a second card slot 72, and the first card slot 71 and the second card slot 72 are connected by a slide rotating clockwise and facing downward;
when the limiting lug 73 on the adjusting sleeve 42 is rotated to the first clamping groove 71 in the counterclockwise direction, the adjusting sleeve 42 drives the inserting block 44 to move upwards along the axial direction of the connecting shaft 3, and meanwhile, the inserting block 44 is released from being clamped with the top opening of the base 1;
when the limiting projection 73 on the adjusting sleeve 42 is rotated clockwise to the second engaging groove 72, the adjusting sleeve 42 drives the inserting block 44 to move downward along the axial direction of the connecting shaft 3, and simultaneously drives the inserting block 44 to be engaged with the top opening of the base 1.
It should be noted that the slot chute 7 is a trapezoidal groove structure, the first slot 71 and the second slot 72 are connected by a chute which rotates clockwise and faces downward, the limit bump 73 on the inner wall surface of the adjusting sleeve 42 can move in the slot chute 7, and when the limit bump 73 on the inner wall surface of the adjusting sleeve 42 rotates counterclockwise to the first slot 71, the adjusting sleeve 42 drives the plug-in block 44 to separate from the opening of the base 1, so that the connecting shaft 3 can rotate relative to the base 1 at multiple angles; when the limiting projection 73 on the inner wall surface of the adjusting sleeve 42 is rotated clockwise to the second slot 72, the adjusting sleeve 42 drives the insertion block 44 to be inserted into the opening of the base 1, the insertion of the insertion block 44 and the opening of the base 1 is limited, and the ball fixing device 5 at the lower end of the rotary ball 2 is pressed tightly, so that the rotary ball 2 is fixed very firmly and has excellent stability. In addition, in this embodiment, the spring 43 exerts a spring force on the plug block 44 in a direction from the plug block 44 toward the ball, so as to provide a pre-tightening force to press the limit protrusion 73 into the slot, and provide a downward spring force to apply a spring force to the plug block 44 to automatically guide the plug block to be inserted into the opening of the base 1, thereby facilitating the adjustment.
Preferably, the number of the slot slideways 7 and the limiting lugs 73 is 3, so that the up-and-down switching is smoother, and the fixing is more stable.
As shown in fig. 5, further, the present invention provides an embodiment of a camera tripod 8, which comprises the directional supporting structure, the adapting fixing device 6 and at least three camera tripods 8 in the above embodiments, wherein the adapting fixing device 6 is fixed at the upper end of the connecting shaft 3, and the camera tripod 8 is fixed on the base 1.
It should be noted that, the directional supporting structure provided in the above embodiment is applied to the field of the camera foot stand 8, the adapting fixing device 6 is further added as the adapting part of the connecting shaft 3 and the camera equipment, the foot stand 8 is added on the base 1 for supporting and fixing on the ground, and preferably, the number of the foot stand 8 is three.
The switching fixing device 6 comprises a switching seat 61 and a connecting screw rod 62, the middle of the switching seat 61 is communicated and provided with an internal thread, the switching seat 61 is screwed and fixed on the upper end of the connecting shaft 3, the connecting screw rod 62 with an internal thread concave ring at one end is screwed and connected on a boss of the switching seat 61 with an external thread, and the other end of the connecting screw rod 62 is an extended screw rod with an external thread.
It should be noted that the adapter 61 is fixed on the positioning block 41 and abuts against the positioning block 41, the adapter 61 is fixed with a connecting screw 62 for fixing the camera equipment, and the camera equipment can be stably fixed at multiple angles by means of the function of the directional supporting structure.
The utility model provides a directional supporting structure, including base 1, swivel ball 2, connecting axle 3, locking device 4 and spheroid fixing device 5, swivel ball 2 is fixed in base 1 with rotary motion, the lower extreme of connecting axle 3 and swivel ball 2 spiro union, the lower extreme of base 1 is equipped with spheroid fixing device 5, locking device 4 is located on connecting axle 3, locking device 4 moves down the joint in the top of base 1 along connecting axle 3 axial to limit connecting axle 3 and swivel ball 2 relative base 1 skew; the locking device 4 moves upwards along the axial direction of the connecting shaft 3 and then is separated from being clamped with the top of the base 1, the connecting shaft 3 drives the rotating ball 2 to make circumferential and pitching offset relative to the base 1, and the ball fixing device 5 carries out limiting and fixing on the rotating ball 2; the camera tripod 8 with the directional supporting structure is also provided, and further comprises a switching fixing device 6 and at least three tripod 8, wherein the camera is fixed, and all the parts are stably placed on the ground through the tripod 8. The utility model discloses a simple structure that reciprocates and joint locking has realized a more convenient and fast reliable stable bearing structure for connecting axle 3 and swivel ball 2 can keep under an angle firmly, and provide fine support.
Claims (10)
1. A directional supporting structure is characterized by comprising a base, a rotating ball, a connecting shaft, a locking device and a ball fixing device;
the rotary ball is fixed on the base in a rotary motion manner, a T-shaped boss with an external thread is arranged at the lower end of the connecting shaft and is in threaded connection with the rotary ball, a ball fixing device is arranged at the lower end of the base, and the locking device is sleeved on the connecting shaft;
the locking device moves downwards along the axial direction of the connecting shaft and is clamped at the top of the base to limit the deviation of the connecting shaft and the rotating ball relative to the base;
the locking device moves upwards along the axial direction of the connecting shaft, then is separated from the locking device and is clamped with the top of the base, the connecting shaft drives the rotating ball to be opposite to the base, the rotating ball is subjected to circumferential and pitching offset, and the ball fixing device is used for limiting and fixing the rotating ball.
2. The directional support structure according to claim 1, wherein the sphere fixing means comprises a sphere washer, a sphere locking block, a sphere locking screw and a sphere locking knob, one end of the sphere locking screw is screwed into a threaded hole inside the sphere locking knob, the other end of the sphere locking screw is fixed with the sphere locking block, one end of the sphere locking block, which is far away from the sphere locking screw, is of a right triangular prism structure, and the triangular hypotenuse and the side surrounded by the prisms face the sphere washer, the sphere washer is provided with a locking inclined plane corresponding to the contact surface of the right triangular prism, and the side of the base is provided with a hole and fixed with a clamping nut matched with the sphere locking screw.
3. The directional support structure according to claim 1, wherein the top of the base is provided with an opening, the opening is in snap fit with the lower end of the locking device, a "U" shaped hole is formed on one side of the opening, and the connecting shaft is in snap fit with the "U" shaped hole at a maximum angle of 90 ° from the vertical axis.
4. The directional support structure according to claim 3, wherein the locking device comprises an adjusting sleeve, a positioning block, an insertion block and a spring, and the positioning block is centrally provided with a threaded hole in threaded connection with the upper end of the connecting shaft;
the spring and the inserting block are sequentially sleeved on the connecting shaft and are axially limited by the positioning block in threaded connection with the connecting shaft, one end of the spring is connected with the inserting block, the other end of the spring is connected with the positioning block, the spring provides downward spring force for the inserting block, and the lower end of the inserting block is movably clamped and fixed on the opening at the top of the base;
the adjusting sleeve is sleeved on the positioning block, the lower end of the adjusting sleeve is locked and fixed with the inserting block, and a bayonet lock guide groove structure which is convenient for the floating lock of the adjusting sleeve to be locked at the lower side or the upper side of the positioning block and for the guide lock connection after the adjusting sleeve deflects a certain angle and is switched between the lower side of the positioning block and the upper side of the positioning block is further arranged between the adjusting sleeve and the contact surface of the positioning block;
when the adjusting sleeve is separated from the clamping connection with the lower side of the positioning block and is clamped on the upper side of the positioning block, the adjusting sleeve drives the inserting block to move upwards along the axial direction of the connecting shaft, and after the clamping connection of the inserting block and the opening at the top of the base is released, the connecting shaft drives the rotating ball to perform circumferential and pitching offset relative to the base, and the rotating ball is limited and fixed through the ball fixing device;
when the adjusting sleeve is separated from the upper side of the positioning block and is clamped and locked at the lower side of the positioning block, the adjusting sleeve drives the inserting block to move downwards along the axial direction of the connecting shaft, and simultaneously drives the inserting block to be clamped and connected with the top opening of the base, so that the connecting shaft and the rotating ball are limited to deflect relative to the base.
5. The directional support structure according to claim 4, wherein the detent guide groove structure is that the adjustment sleeve is provided with at least one limit projection on a surface contacting with the positioning block, and the positioning block is provided with the same number of detent slideways as the limit projections on a surface contacting with the adjustment sleeve.
6. The directional support structure according to claim 5, wherein the slot-slide is a "T" shaped groove structure, wherein the slide located at the upper portion of the positioning block is a first slot, the upper end of the first slot is open, the slide located at the lower portion of the positioning block is a second slot, and the first slot and the second slot are connected by a vertical slide;
when the limiting lug on the adjusting sleeve moves upwards and rotates to the first clamping groove, the adjusting sleeve drives the inserting block to move upwards along the axial direction of the connecting shaft, and meanwhile, the inserting block is released from being clamped with the opening at the top of the base;
when the limiting lug on the adjusting sleeve moves downwards and rotates to the second clamping groove, the adjusting sleeve drives the inserting block to move downwards along the axial direction of the connecting shaft, and meanwhile, the inserting block is driven to be clamped with the top opening of the base.
7. The directional support structure according to claim 5, wherein the slot-slide is a trapezoidal groove structure, wherein the slide located at the upper portion of the positioning block is a first slot, the upper end of the first slot is open, the slide located at the lower portion of the positioning block is a second slot, and the first slot and the second slot are connected by a clockwise-rotating downward-facing slide;
when the limiting lug on the adjusting sleeve is rotated to the first clamping groove in the anticlockwise direction, the adjusting sleeve drives the inserting block to move upwards along the axial direction of the connecting shaft, and meanwhile, the inserting block is released from being clamped with the top opening of the base;
when the limiting lug on the adjusting sleeve rotates clockwise to the second clamping groove, the adjusting sleeve drives the inserting block to move downwards along the axial direction of the connecting shaft, and meanwhile, the inserting block is driven to be clamped with the top opening of the base.
8. The directional support structure of claim 5, wherein the number of slot runners and limit tabs is 3.
9. A camera stand comprising an orienting support structure according to any one of claims 1 to 8, an adapter fixture secured to the upper end of the connecting shaft, and at least three stands secured to the base.
10. The camera tripod according to claim 9, wherein the adaptor fixing device comprises an adaptor and a connecting screw, the adaptor with a threaded hole in the center is screwed on the upper end of the connecting shaft, the connecting screw with an internal thread groove at one end is screwed on a boss of the adaptor with an external thread, and the other end of the connecting screw is an extended screw with an external thread.
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| CN201922082081.5U CN211344622U (en) | 2019-11-26 | 2019-11-26 | Directional bearing structure and have its foot rest of making a video recording |
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| CN201922082081.5U CN211344622U (en) | 2019-11-26 | 2019-11-26 | Directional bearing structure and have its foot rest of making a video recording |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113007208A (en) * | 2021-02-23 | 2021-06-22 | 四川大学 | Medical joint with spherical joint |
| CN114576512A (en) * | 2022-01-25 | 2022-06-03 | 深圳联合创达科技有限公司 | Movable middle-diameter cradle head |
| CN114815455A (en) * | 2022-06-22 | 2022-07-29 | 深圳市爱图仕影像器材有限公司 | Lamp distribution support and lighting equipment |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113007208A (en) * | 2021-02-23 | 2021-06-22 | 四川大学 | Medical joint with spherical joint |
| CN113007208B (en) * | 2021-02-23 | 2022-02-15 | 四川大学 | Medical joint with spherical joint |
| CN114576512A (en) * | 2022-01-25 | 2022-06-03 | 深圳联合创达科技有限公司 | Movable middle-diameter cradle head |
| CN114576512B (en) * | 2022-01-25 | 2023-08-01 | 深圳联合创达科技有限公司 | Movable pitch diameter cradle head |
| CN114815455A (en) * | 2022-06-22 | 2022-07-29 | 深圳市爱图仕影像器材有限公司 | Lamp distribution support and lighting equipment |
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