CN216113065U - Universal cantilever support with locking function - Google Patents
Universal cantilever support with locking function Download PDFInfo
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- CN216113065U CN216113065U CN202121601040.3U CN202121601040U CN216113065U CN 216113065 U CN216113065 U CN 216113065U CN 202121601040 U CN202121601040 U CN 202121601040U CN 216113065 U CN216113065 U CN 216113065U
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Abstract
The utility model provides a universal cantilever support with locking function, which has novel and reasonable structural design and can realize synchronous locking and locking force releasing of a ball shaft, a main rod body group and an auxiliary rod body group which are coaxially butted and can relatively rotate, the main rod body group and the auxiliary rod body group are respectively connected with an extension rod, the main rod body group and the auxiliary rod body group are connected through a connecting shaft, the end part of the extension rod is connected with an adapter, the ball shaft is rotationally connected in the adapter, the extension rod is of a tubular structure and is internally provided with a mandril, the front end of the mandril penetrates through the adapter and can be propped against the side wall of the ball shaft, the tail end of the mandril penetrates through the extension rod and goes deep into the main rod body group and the auxiliary rod body group, the main rod body group and the auxiliary rod body group which are positioned between the tail end of the mandril and the connecting shaft are respectively provided with an extrusion component, when the main rod body group and the auxiliary rod body group are forced to be locked, the extrusion assembly extrudes the ejector rod and enables the front end of the ejector rod to extrude the side wall of the ball shaft and force the ball shaft to be locked.
Description
Technical Field
The invention relates to a rotating bracket, in particular to a universal cantilever bracket with a locking function.
Background
The design is based on the following patent numbers: CN201020166662.3, patent name: the improved design of the universal cantilever support aims at realizing synchronous locking and locking force releasing of the ball shaft, the main rod body group and the auxiliary rod body group.
Disclosure of Invention
The invention aims to overcome the defects of the prior art, adapt to practical requirements, and provide the universal cantilever support with the locking function, which has novel and reasonable structural design and can realize synchronous locking and locking force release of the ball shaft, the main rod body group and the auxiliary rod body group.
In order to realize the purpose of the invention, the technical scheme adopted by the invention is as follows:
the utility model provides an universal cantilever with locking function, the support includes coaxial butt joint and relative rotation's mobile jib body group and vice rod body group, be connected with an extension rod on the mobile jib body group and vice rod body group respectively, the extension rod front end is the free end and is used for connecting external component, and the other end is the link and connects respectively on the mobile jib body group and vice rod body group and 360 degrees free rotations are done in the relative rotation of accessible mobile jib body group and vice rod body group.
The connecting end surfaces of the main rod body group and the auxiliary rod body group are respectively provided with an annular fluted disc, and the main rod body group and the auxiliary rod body group are meshed and fixed through the two annular fluted discs; the main rod body group and the auxiliary rod body group are connected through a connecting shaft, meshing contact force between the main rod body group and the auxiliary rod body group can be increased or reduced through the connecting shaft, after the meshing contact force is increased, the main rod body group and the auxiliary rod body group are meshed and fixed and then locked, and the main rod body group and the auxiliary rod body group can rotate relatively after the meshing contact force is reduced.
The end connection of extension rod has the adapter, and the adapter internal rotation is connected with the ball axle, the extension rod is the tubular structure, and is equipped with a ejector pin in it, the front end of ejector pin runs through the adapter and can support on the ball axle lateral wall, and the ejector pin tail end runs through the extension rod and deepens extremely in the mobile jib body group and the auxiliary rod body group are located mobile jib body group and the auxiliary rod body between ejector pin tail end and the connecting axle are equipped with an extrusion subassembly in the mobile jib body group and the auxiliary rod body group respectively, when the connecting axle forces both locking of mobile jib body group and auxiliary rod body group, extrusion subassembly extrusion ejector pin makes the ejector pin front end extrude ball axle lateral wall and force the ball axle locking, otherwise, the ball axle is relieved with ejector pin tip extrusion force.
The connecting piece at the end part of the ball shaft is provided with a connecting rod piece which is of an integrated structure and is used for connecting an external component.
The adapter front end is equipped with spherical concave surface, and the inside perforation that runs through that is equipped with of adapter, ball lie in spherical concave surface, is equipped with the cylindricality top body in the adapter, and the front end of the cylindricality top body is equipped with spherical groove face, and the cylindricality top body lies in the perforation, it spherical groove face surrounds on the ball lateral wall, cylindricality top body tail end is equipped with the shrinkage pool, the ejector pin front end stretches into to the shrinkage pool in.
The adapter is characterized in that a U-shaped notch penetrating through the spherical concave surface is formed in the side wall of the adapter, and a connecting rod piece connected to a ball shaft of the ball shaft can enter the U-shaped notch when the ball shaft rotates.
The adapter with extend pole front end threaded connection.
The main rod body group and the auxiliary rod body group have the same structure and comprise an adapter, and the side surface of the adapter is outwards extended and connected with a sleeving part in a protruding mode and used for sleeving the extension rod; a longitudinal through hole penetrating through the two ends is formed in the adapter, and a transverse through hole penetrating through the sleeving part and penetrating through the longitudinal through hole is formed in the sleeving part.
Annular fluted disc is connected in the bottom of adapter, mobile jib body group with both symmetries of auxiliary rod body group set up, and mobile jib body group with two annular fluted disc meshes on the auxiliary rod body group and connect, the connecting axle run through the mobile jib body group with vertical through-hole on the auxiliary rod body group is connected with both, and the one end of connecting axle is equipped with spacing portion and supports on the auxiliary rod body group, and its other end extends to mobile jib body group top and is connected with twist grip.
An intermediate rotating assembly is arranged between the top of the main rod body group and the connecting shaft between the rotating handles, the intermediate rotating assembly comprises a thrust bearing and a heightening gasket, the thrust bearing is sleeved on the connecting shaft and is arranged at the top of the main rod body group, the heightening gasket is sleeved on the connecting shaft, and the rotating handles are abutted to the heightening gasket.
The extrusion assembly comprises a sleeve positioned in a longitudinal through hole of the main rod body group and the auxiliary rod body group, the sleeve is sleeved on the connecting shaft, a circular hole penetrating through the side wall is formed in the side wall of the sleeve corresponding to the transverse through hole, the extrusion assembly also comprises a cylindrical body positioned in the tail end of the extension rod and capable of axially moving, an insertion hole is formed in the front end of the cylindrical body, the tail end of the ejector rod is inserted into the insertion hole, and a spherical concave surface is formed in the tail end of the cylindrical body; the ball bearing is positioned in the spherical concave surface and the conical groove on the sleeve, and when the main rod body group and the auxiliary rod body move oppositely or reversely, the sleeve in each ball bearing moves synchronously with the main rod body group and the auxiliary rod body, the ball bearing is extruded with the inner wall surface of the conical groove, and the extrusion force of the ball bearing on the cylindrical body and the ejector rod is increased or reduced.
The end part of the sleeve is propped against the annular fluted disc.
The annular fluted disc is of a sawtooth shape and is formed on the end face of the connecting end in a surrounding mode along the radiation direction.
The vertical through-hole tip of adapter bottom on the vice body of rod group be with the polygon structure that the spacing portion of connecting shaft tip matches, just spacing portion matches the card and goes into extremely in the vertical through-hole of polygon structure and restriction connecting axle rotates.
A spring is arranged between the main rod body group and the auxiliary rod body group, the spring is sleeved on the connecting shaft, and two ends of the spring are respectively abutted against the end parts of the adapter seat of the main rod body and the auxiliary rod body group and apply reverse elasticity to the main rod body and the adapter seat.
The invention has the beneficial effects that:
the design has novel and reasonable structural design, can realize the synchronous locking and locking force relieving of the ball shaft, the main rod body group and the auxiliary rod body group, and can effectively avoid the angle change of the main rod body group and the auxiliary rod body group caused by the influence of the weight of the loaded articles by utilizing the design of the engaging surfaces which are engaged and connected, thereby achieving the purpose of strengthening the positioning effect of the universal cantilever support.
Drawings
FIG. 1 is a schematic perspective view of the present design;
FIG. 2 is a schematic view of the structure of FIG. 1 from another perspective;
FIG. 3 is a schematic view of the main structure of the present design in a split state;
FIG. 4 is a schematic view of the present design with portions of the structure removed;
FIG. 5 is a schematic view of FIG. 4 with a portion of the structure removed;
FIG. 6 is a schematic cross-sectional view of the present design;
FIG. 7 is a schematic cross-sectional view of the cylindrical body of the present design;
figure 8 is a schematic view of an adapter structure in the present design;
fig. 9 is a schematic diagram of the structure of the cylindrical top body in the present design.
Detailed Description
The invention is further illustrated with reference to the following figures and examples:
example 1: a gimbal suspension with locking feature, see fig. 1-9.
Including coaxial butt joint and relative rotatory mobile jib body group and vice body group, be connected with an extension rod 22, 23 on the mobile jib body group and the vice body group respectively, extension rod 22, 23 front end are the free end and are used for connecting external component, and the extension rod 22, 23 other end are the link and connect respectively on the mobile jib body group and vice body group and 360 degrees free rotations are done in the relative rotation of accessible mobile jib body group and vice body group.
Specifically, the main rod body group and the auxiliary rod body group have the same structure and respectively comprise an adapter 8 and 12, and the side surfaces of the adapter 8 and 12 are outwards connected with sleeving parts 9 and 13 in a protruding manner and used for sleeving the extension rods 22 and 23; a longitudinal through hole penetrating through two ends is formed in the adapter 8 and 12, and a transverse through hole penetrating through the sleeve joint part and penetrating through the longitudinal through hole is formed in the sleeve joint part 9 and 13; be equipped with annular fluted disc 10, 11 on the connection terminal surface of adapter 8, 12 respectively, annular fluted disc is connected in the bottom of adapter, mobile jib body group with both symmetries of auxiliary rod body group set up, and mobile jib body group and auxiliary rod body group are fixed through the meshing of two annular fluted discs 10, 11, annular fluted disc is the cockscomb structure, and encircles the shaping along the radiation direction and be in on the terminal surface of link, two annular fluted discs 10, 11 are fixed in on the connection face of adapter 8, 12 through fixing bolt respectively.
The adapter bases 8 and 12 are connected through a connecting shaft 15, the meshing contact force between the adapter bases 8 and 12 can be increased or decreased through the connecting shaft 15, when the meshing contact force is increased, the adapter bases 8 and 12 are meshed and fixed and then locked, and after the meshing contact force is decreased, the adapter bases 8 and 12 can rotate relatively.
Specifically, the connecting shaft 15 penetrates through the longitudinal through holes in the adapter bases 8 and 12 and connects the adapter bases and the auxiliary rod body group, one end of the connecting shaft 15 is provided with a limiting part and abuts against the auxiliary rod body group, the other end of the connecting shaft extends to the top of the main rod body group and is connected with the rotating handle 2, and the rotating handle 2 is sleeved with a rubber sleeve and used for preventing skidding; still be in simultaneously be equipped with middle rotating assembly between the connecting axle between adapter 8 top of the mast body group and twist grip 2, middle rotating assembly is including overlapping on connecting axle 15 and placing footstep bearing 5 on the mast body group top and overlap and increase gasket 4 on the connecting axle, twist grip supports increase gasket 4, can reduce the twist grip through footstep bearing 5 among the above-mentioned middle rotating assembly when rotating with the frictional force between adapter 8, make twist grip only exert axial force to connecting axle 15.
Further, the vertical through-hole tip of adapter 12 bottom be with the polygon body structure of the spacing portion matching of connecting shaft tip, just spacing portion matching card is gone into extremely in the vertical through-hole of polygon body structure and restriction connecting axle rotate, simultaneously, still be in the main pole body group with be equipped with a spring 6 between the vice body of rod group, the spring housing is in on the connecting axle 15, just the both ends of spring support respectively and lean on the main pole body with exert reverse elasticity to both on the adapter tip of the vice body of rod group, after the twist-loosening of twist grip, its spring is exerted elasticity and is impeld two adapter 8, 12 reverse movements and impel two annular fluted discs 10, 11 separation realization meshing force's removal.
Further, this design still is in there is adapter 30, 31 at the tip of extension rod through connecting pipe fitting 26, 27 threaded connection, and the internal rotation of adapter 30, 31 is connected with ball axle 32, 33, ball axle 32, 33 end connection spare have connecting rod piece 34, 35 of a body structure, and connecting rod piece 34, 35 are used for connecting the external component. The extension rods 22 and 23 are tubular structures, and a push rod 24 and 25 is arranged in the extension rods, and the front ends of the push rod 24 and 25 penetrate through the adapter and can be abutted against the side walls of the ball shafts 32 and 33. Specifically, adapter 30, 31 front end are equipped with spherical concave surface, and adapter 30, 31 are inside to be equipped with the perforation that runs through, and ball 32, 33 are located spherical concave surface, are equipped with cylindricality acrosome 28, 29 in adapter 30, 31, and the front end of cylindricality acrosome 28, 29 is equipped with spherical groove face 40, and cylindricality acrosome 28, 29 are located in the perforation, it spherical groove face 40 surrounds on the ball lateral wall, cylindricality acrosome tail end is equipped with shrinkage pool 41, ejector pin 24, 25 front end stretch into to shrinkage pool 41 in.
Further, its seted up on the adapter 30, 31 lateral wall with the U-shaped breach 36 that spherical concave surface runs through, the epaxial connecting rod piece of connecting of its ball can enter into in the U-shaped breach 36 when the ball is rotatory, adapter 30, 31 with the connecting pipe fitting 26 of extension rod 22, 23 front end, 27 threaded connection and with the fastening of thin nut are forced and are prevented it and become flexible.
In this design, it ejector pin 24, 25 tail end run through the extension rod and go deep into in adapter 8, 12, be located main rod body group and the vice rod body group between extension rod 22, 23 tail end and the connecting axle are equipped with an extrusion subassembly respectively, when connecting axle 15 forces adapter 8, 12 both locking, extrusion subassembly extrusion ejector pin makes the ejector pin front end extrude ball axle lateral wall and forces the ball axle locking, otherwise, ball axle and ejector pin tip extrusion force are removed.
In order to realize the functions, the extrusion assembly comprises sleeves 7 and 14 positioned in longitudinal through holes of adapter seats 8 and 12, the sleeves 7 and 14 are sleeved on the connecting shaft 15, round holes 16 and 17 penetrating through the side walls are formed in the side walls of the sleeves 7 and 14 corresponding to the transverse through holes, and the extrusion assembly also comprises cylindrical bodies 20 and 21 positioned in the tail ends of extension rods 22 and 23 and capable of moving axially, the front ends of the cylindrical bodies 20 and 21 are provided with jacks 38, the tail end of the ejector rod is inserted into the jacks 38, and the tail end of the cylindrical body is provided with a spherical concave surface 39; the utility model also comprises a ball bearing,
the balls 18 and 19 are located in the spherical concave surface and the conical groove 17 on the sleeve, and when the main rod body group and the auxiliary rod body move oppositely or reversely, the sleeve in each of the main rod body group and the auxiliary rod body move synchronously along with the main rod body group and the auxiliary rod body, the balls are extruded with the inner wall surface of the conical groove, and the extrusion force of the balls on the cylindrical body and the ejector rod is increased or reduced.
The use method of the design is as follows:
under the conventional state, the rotating handle 2 is in a screwing state, at the moment, the inclined surfaces of the conical grooves 16 and 17 on the sleeve apply outward thrust to the ball bearings to force the ball bearings to increase extrusion force on the cylindrical body and the ejector rod, and after the pressure of the ejector rod is increased, the extrusion force is applied to the cylindrical top body and the front end of the cylindrical top body is promoted to increase extrusion force on the spherical shaft to fix the spherical shaft; at this time, as the rotary handle is screwed, the two adapter seats 8 and 12 are squeezed together, and the two annular fluted discs 10 and 11 are meshed and fixed to fix the main rod body group and the auxiliary rod body group.
When the rotary handle is unscrewed, the spring exerts elastic force and drives the two adapter seats 8 and 12 to move reversely and drives the two annular fluted discs 10 and 11 to separate so as to release the meshing force; at the moment, the adapter bases 8 and 12 drive the two sleeves in the adapter bases to move in opposite directions, at the moment, the thrust between the balls and the inclined planes is reduced under the action of the inclined planes on the conical grooves 16 and 17 on the sleeves, then the thrust of the ejector rod on the cylindrical top body is reduced, the friction between the cylindrical top body and the ball shaft can be finally realized, the ball shaft can be rotated in multiple directions through the connecting rod piece, meanwhile, the rotation angle between the two adapter bases 8 and 12 can be adjusted, the rotation angle between the main rod body group and the auxiliary rod body group can be finally adjusted, and after the rotating handle is screwed after adjustment, the main rod body group and each rotating part in the auxiliary rod body group can be locked.
The embodiments of the present invention are disclosed as the preferred embodiments, but not limited thereto, and those skilled in the art can easily understand the spirit of the present invention and make various extensions and changes without departing from the spirit of the present invention.
Claims (10)
1. A universal cantilever support with a locking function is characterized in that the support comprises a main rod body group and an auxiliary rod body group which are coaxially butted and can relatively rotate, an extension rod is respectively connected to the main rod body group and the auxiliary rod body group, the front end of the extension rod is a free end and is used for connecting an external component, the other end of the extension rod is a connecting end and is respectively connected to the main rod body group and the auxiliary rod body group, and the extension rod can freely rotate for 360 degrees through the relative rotation of the main rod body group and the auxiliary rod body group;
the connecting end surfaces of the main rod body group and the auxiliary rod body group are respectively provided with an annular fluted disc, and the main rod body group and the auxiliary rod body group are meshed and fixed through the two annular fluted discs; the main rod body group and the auxiliary rod body group are connected through a connecting shaft, the meshing contact force between the main rod body group and the auxiliary rod body group can be increased or decreased through the connecting shaft, the main rod body group and the auxiliary rod body group are locked after being meshed and fixed after the meshing contact force is increased, and the main rod body group and the auxiliary rod body group can rotate relatively after the meshing contact force is decreased;
the end connection of extension rod has the adapter, and the adapter internal rotation is connected with the ball axle, the extension rod is the tubular structure, and is equipped with a ejector pin in it, the front end of ejector pin runs through the adapter and can support on the ball axle lateral wall, and the ejector pin tail end runs through the extension rod and deepens extremely in the mobile jib body group and the auxiliary rod body group are located mobile jib body group and the auxiliary rod body between ejector pin tail end and the connecting axle are equipped with an extrusion subassembly in the mobile jib body group and the auxiliary rod body group respectively, when the connecting axle forces both locking of mobile jib body group and auxiliary rod body group, extrusion subassembly extrusion ejector pin makes the ejector pin front end extrude ball axle lateral wall and force the ball axle locking, otherwise, the ball axle is relieved with ejector pin tip extrusion force.
2. The gimbal suspension with locking function as claimed in claim 1, wherein: the adapter front end is equipped with spherical concave surface, and the inside perforation that runs through that is equipped with of adapter, ball lie in spherical concave surface, is equipped with the cylindricality top body in the adapter, and the front end of the cylindricality top body is equipped with spherical groove face, and the cylindricality top body lies in the perforation, it spherical groove face surrounds on the ball lateral wall, cylindricality top body tail end is equipped with the shrinkage pool, the ejector pin front end stretches into to the shrinkage pool in.
3. The gimbal suspension with locking function as claimed in claim 2, wherein: the connecting piece at the end part of the ball shaft is provided with a connecting rod piece which is of an integrated structure and is used for connecting an external component.
4. The gimbal suspension with locking function as claimed in claim 3, wherein: the adapter is characterized in that a U-shaped notch penetrating through the spherical concave surface is formed in the side wall of the adapter, and a connecting rod piece connected to a ball shaft of the ball shaft can enter the U-shaped notch when the ball shaft rotates.
5. The gimbal suspension with locking function as claimed in claim 1, wherein: the adapter with the connecting pipe fitting threaded connection of extension rod front end.
6. The gimbal suspension with locking function as claimed in claim 2, wherein: the main rod body group and the auxiliary rod body group have the same structure and comprise an adapter, and the side surface of the adapter is outwards extended and connected with a sleeving part in a protruding mode and used for sleeving the extension rod; a longitudinal through hole penetrating through the two ends is formed in the adapter, and a transverse through hole penetrating through the sleeve joint part and penetrating through the longitudinal through hole is formed in the sleeve joint part;
annular fluted disc is connected in the bottom of adapter, mobile jib body group with both symmetries of auxiliary rod body group set up, and mobile jib body group with two annular fluted disc meshes on the auxiliary rod body group and connect, the connecting axle run through the mobile jib body group with vertical through-hole on the auxiliary rod body group is connected with both, and the one end of connecting axle is equipped with spacing portion and supports on the auxiliary rod body group, and its other end extends to mobile jib body group top and is connected with twist grip.
7. The gimbal suspension with locking function as claimed in claim 6, wherein: an intermediate rotating assembly is arranged between the top of the main rod body group and the connecting shaft between the rotating handles, the intermediate rotating assembly comprises a thrust bearing and a heightening gasket, the thrust bearing is sleeved on the connecting shaft and is arranged at the top of the main rod body group, the heightening gasket is sleeved on the connecting shaft, and the rotating handles are abutted to the heightening gasket.
8. The gimbal suspension with locking function as claimed in claim 6, wherein: the extrusion assembly comprises a sleeve positioned in a longitudinal through hole of the main rod body group and the auxiliary rod body group, the sleeve is sleeved on the connecting shaft, a circular hole penetrating through the side wall is formed in the side wall of the sleeve corresponding to the transverse through hole, the extrusion assembly also comprises a cylindrical body positioned in the tail end of the extension rod and capable of axially moving, an insertion hole is formed in the front end of the cylindrical body, the tail end of the ejector rod is inserted into the insertion hole, and a spherical concave surface is formed in the tail end of the cylindrical body;
the ball bearing is positioned in the spherical concave surface and the conical groove on the sleeve, and when the main rod body group and the auxiliary rod body move oppositely or reversely, the sleeve in each ball bearing moves synchronously with the main rod body group and the auxiliary rod body, the ball bearing is extruded with the inner wall surface of the conical groove, and the extrusion force of the ball bearing on the cylindrical body and the ejector rod is increased or reduced.
9. The gimbal suspension with locking function as claimed in claim 8, wherein: the vertical through-hole tip of adapter bottom on the vice body of rod group be with the polygon structure that the spacing portion of connecting shaft tip matches, just spacing portion matches the card and goes into extremely in the vertical through-hole of polygon structure and restriction connecting axle rotates.
10. The gimbal suspension with locking function as claimed in claim 8, wherein: a spring is arranged between the main rod body group and the auxiliary rod body group, the spring is sleeved on the connecting shaft, and two ends of the spring are respectively abutted against the end parts of the adapter seat of the main rod body and the auxiliary rod body group and apply reverse elasticity to the main rod body and the adapter seat.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121601040.3U CN216113065U (en) | 2021-07-14 | 2021-07-14 | Universal cantilever support with locking function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121601040.3U CN216113065U (en) | 2021-07-14 | 2021-07-14 | Universal cantilever support with locking function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216113065U true CN216113065U (en) | 2022-03-22 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121601040.3U Active CN216113065U (en) | 2021-07-14 | 2021-07-14 | Universal cantilever support with locking function |
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| Country | Link |
|---|---|
| CN (1) | CN216113065U (en) |
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2021
- 2021-07-14 CN CN202121601040.3U patent/CN216113065U/en active Active
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