CN211778501U - Universal ball head seat - Google Patents
Universal ball head seat Download PDFInfo
- Publication number
- CN211778501U CN211778501U CN201922015159.1U CN201922015159U CN211778501U CN 211778501 U CN211778501 U CN 211778501U CN 201922015159 U CN201922015159 U CN 201922015159U CN 211778501 U CN211778501 U CN 211778501U
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- ball head
- bulb
- base
- bolt
- activity
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Abstract
The utility model discloses a universal ball head seat, including ball head seat, activity bulb and bulb lid, still include base and bolt, be provided with respectively in ball head seat and the base with the upper and lower semicircular arc surface adaptation's of activity bulb bowl portion, open at activity bulb center has the through-hole, the bolt passes behind the through-hole with the base fastening connection, activity bulb is provided with annular sand grip along the center up 3/4 height department, annular sand grip is used for carrying out interference fit with the ball head seat and increases the extrusion force, reduces the frictional force of contact surface, is provided with the type groove in the activity bulb upper and lower extreme 1/4 height respectively; the movable ball head of this patent adopts is that whole ball adds the structure that the cylinder combines, and the bulb lid is paired the formula and is placed in the middle of movable ball head and base, and the bolt passes the through-hole of movable ball head and directly screws up the tight fit on the nut of moulding plastics in the base, ensures that the very firm lock of movable ball head is on the base, puts into the hole site of movable ball head the bolt cap again, prevents that the bolt is not hard up in the use and drops.
Description
Technical Field
The utility model relates to a bearing structure especially relates to an universal headstock.
Background
The universal ball joint is used for connecting a connecting part between two structures, can be used as a rotating point, and can also be used for fixing or maintaining the rotating lubricity between the structures.
The existing universal ball head seat type structure is mostly made of metal, has great constraint in processing, and has heavy weight, so that the weight of the product is increased.
The universal ball socket type structure made of plastic has the defects of easy looseness, difficult orientation and the like, most of the universal ball socket type structures can only be used for some light products, and the universal ball socket type structure is not widely used.
SUMMERY OF THE UTILITY MODEL
In order to solve the problems existing in the prior art, the utility model aims to provide a simple structure, integrated into one piece can rotate and directional universal ball cup wantonly in certain angular range.
The utility model provides a technical scheme that its technical problem adopted is: the utility model provides an universal ball head seat, includes the ball head seat and is located the activity bulb of ball head seat, bulb seat below be provided with and carry out spacing bulb lid to the activity bulb, bulb lid edge department be provided with 4 through-holes, be equipped with M6 screw and ball head seat fastening connection in the through-hole, still include base and bolt, bulb seat and base in be provided with respectively with the ball bowl portion of the upper and lower semi-circular cambered surface adaptation of activity bulb, activity bulb center open and to have the through-hole, the bolt passes behind the through-hole with base fastening connection, activity bulb up 3/4 high department along the center be provided with annular sand grip, annular sand grip is used for carrying out interference fit with the ball head seat and increases the extrusion force, reduces the frictional force of contact surface, is provided with the type groove in the activity bulb surface upper and lower extreme 1/4 is highly respectively.
The universal ball head seat is characterized in that a nut is injected into a base of the universal ball head seat, and the bolt is screwed with the nut through threads at the bottom end part.
The movable ball head of the universal ball head seat is also internally provided with a bolt cap for limiting the bolt, so that the bolt is prevented from loosening and falling off in the use process.
The utility model has the advantages that:
the movable ball head of this patent adopts is that whole ball adds the structure that the cylinder combines, and the bulb lid is paired the formula and is placed in the middle of movable ball head and base, and it has the through-hole to open in the middle of the movable ball head, and the bolt passes the through-hole of movable ball head and directly screws up the tight fit on the nut of moulding plastics in the base, ensures the very firm lock of movable ball head on the base, puts into the hole site of movable ball head the bolt cap again, prevents that the bolt is not hard up in the use and drops.
Because the movable ball head is mostly in wrapping type covering contact with the ball head cover and the ball head seat, zero-pair zero-type surface-to-surface contact causes very large friction force on the movable ball head, and the ball head seat can stay at any position during rotation and twisting and can also make the ball head seat difficult to rotate and twist.
The annular convex strip specially designed on the movable ball head is used for interference fit of the ball bowl by utilizing the plasticity of plastic, the pressing of the ball head cover and the interference fit of the annular convex strip enable a thread gap to be reserved between the movable ball head and the ball bowl of the ball head seat, the pressure is concentrated on the annular convex strip of the movable ball head and the semicircular arc surface of the ball head cover, and the ball head seat can be easily twisted to any working angle without excessive force when rotating and twisting.
When the ball head seat is twisted, the annular convex strip on the movable ball head can transfer and extrude the air in the ball head seat, so that the ball head seat stably stays at a fixed angle, and meanwhile, the universal ball head seat can bear heavier objects.
Drawings
FIG. 1 is an assembly view of the present invention;
fig. 2 is an exploded view of the present invention;
fig. 3 is a full sectional view of the present invention;
fig. 4 is a partial cross-sectional view of the present invention.
The figures are numbered: the ball head comprises a movable ball head 1, a ball head cover 2, a base 3, a bolt 4, a bolt cap 5, a ball head seat 6, a screw 7, an annular convex strip 8 and a groove 9.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
Referring to fig. 1 to 4, the utility model discloses a universal ball head seat, which comprises a ball head seat 6 and a movable ball head 1 arranged in the ball head seat 6, wherein a ball head cover 2 for limiting the movable ball head 1 is arranged below the ball head seat 6, 4 through holes are arranged at the edge of the ball head cover 2, the through holes are provided with M4 or M6 screws 7 to be fastened and connected with the ball head seat 6, the universal ball head seat further comprises a base 3 and bolts 4, the ball head seat 6 and the base 3 are respectively provided with ball bowl parts matched with the upper and lower semicircular arc surfaces of the movable ball head 1, the ball bowl parts are matched with the semicircular arc surfaces of the movable ball head 1 to be used for mounting the movable ball head 1 and increasing the matching degree between the movable ball head 1 and the ball head seat 6, so as to reduce the matching gap, the semicircular arc surfaces are matched with the movable ball head 1 to increase the contact surface to enhance the friction force and the extrusion, let 1 free rotation of activity bulb wrench movement increase the degree of cooperation, 1 center of activity bulb open and to have the through-hole, bolt 4 passes behind the through-hole with 3 fastening connection of base, activity bulb 1 in the middle of go up half department and be provided with annular sand grip 8, annular sand grip 8 is used for carrying out interference fit with bulb seat 6 and increases the extrusion force, reduces the frictional force of contact surface, increases the firm direction of rotation of extrusion force of activity bulb 1 and bulb seat 6, is provided with 7 type grooves 9 respectively in the activity bulb 1 is gone up the lower extreme 1/4 height for subtract heavy and prevent moulding plastics the shrink.
What activity bulb 1 of this patent adopted is that whole ball adds the structure that the cylinder combines, place in the middle of activity bulb 1 and base 3 in bulb lid 2 pairing type, it has the through-hole to open in the middle of activity bulb 1, bolt 4 passes and screws up the tight fit on the through-hole of activity bulb 1 is directly connected the nut of moulding plastics in the base 3, ensure the very firm lock of activity bulb 1 on base 3, put into the hole site of activity bulb 1 to bolt cap 5 again, prevent that bolt 4 is not hard up in the use and drops. The movable ball head 1, the ball head cover 2, the base 3, the bolt 4 and the bolt cap 5 are assembled and then are installed in the ball head seat 6, and the M4 bolt 7 is used for locking the ball head cover 2 and the injection nut in the ball head seat 6, so that the installation is completed.
Furthermore, round holes are designed at two ends of a seat plate of the base 3 and used for being fixed on a wall or other supporting surfaces, round holes are designed at the middle cylindrical part, metal nuts are injected into the round holes and used for connecting bolts 4, the bolts 4 are connected with the nuts in a screwing mode through threads at the bottom end part, and the movable ball head 1 is fixed on the base 3.
Further still be provided with in activity bulb 1 and to the spacing bolt cap 5 of bolt 4, prevent that bolt 4 is become flexible in the use and drop.
Because most of the movable ball head 1 is in wrapping type covering contact with the ball head cover 2 and the ball head seat 6, zero-pair zero-type surface-to-surface contact causes very large friction force on the movable ball head 1, and the ball head seat 6 can stay at any position during rotation and twisting and can also make the ball head seat 6 difficult to rotate and twist.
The annular convex strip 8 specially designed on the movable ball head 1 is used for interference fit of a ball bowl by utilizing plastic plasticity, a thread gap is reserved between the movable ball head 1 and the ball bowl of the ball head seat 6 by the compression of the ball head cover 2 and the interference fit of the annular convex strip 8, the pressure is concentrated on the annular convex strip 8 of the movable ball head 1 and the semicircular arc surface of the ball head cover 2, and the ball head seat 6 can be easily twisted to any working angle without needing large strength in rotating and twisting.
When the ball head seat 6 is twisted, the annular convex strip 8 on the movable ball head 1 can transfer and extrude the air in the movable ball head, so that the ball head seat 6 stably stays at a fixed angle, and meanwhile, the universal ball head seat can bear heavier objects.
The above embodiments are merely illustrative of the principles and effects of the present invention, and some embodiments may be applied, and it will be apparent to those skilled in the art that a plurality of modifications and improvements may be made without departing from the inventive concept of the present invention, and all of these modifications and improvements fall within the protection scope of the present invention.
Claims (3)
1. The utility model provides a universal ball headstock, includes ball headstock (6) and is located activity bulb (1) of ball headstock (6), its characterized in that: ball headstock (6) below be provided with and carry out spacing bulb lid (2) to activity bulb (1), bulb lid (2) through screw (7) and ball headstock (6) fastening connection of edge, still include base (3) and bolt (4), ball headstock (6) and base (3) in be provided with respectively with the ball bowl portion of the upper and lower semi-circular cambered surface adaptation of activity bulb (1), activity bulb (1) center open and to have the through-hole, bolt (4) pass behind the through-hole with base (3) fastening connection, activity bulb (1) along the center up 3/4 high department be provided with annular sand grip (8), activity bulb (1) on the surface lower extreme 1/4 highly in be provided with type groove (9) respectively.
2. The universal ball cup seat according to claim 1, wherein a nut is injected into the base (3), and the bolt (4) is screwed with the nut through a thread at the bottom end.
3. A universal ball cup according to claim 1, characterized in that a bolt cap (5) for limiting the bolt (4) is further arranged in the movable ball (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922015159.1U CN211778501U (en) | 2019-11-20 | 2019-11-20 | Universal ball head seat |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922015159.1U CN211778501U (en) | 2019-11-20 | 2019-11-20 | Universal ball head seat |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211778501U true CN211778501U (en) | 2020-10-27 |
Family
ID=72963259
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922015159.1U Active CN211778501U (en) | 2019-11-20 | 2019-11-20 | Universal ball head seat |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211778501U (en) |
-
2019
- 2019-11-20 CN CN201922015159.1U patent/CN211778501U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |