CN211737734U

CN211737734U - Positioning rotating shaft

Info

Publication number: CN211737734U
Application number: CN201922190141.5U
Authority: CN
Inventors: 司玉发
Original assignee: Suzhou Yupeng Precision Hardware Co ltd
Current assignee: Suzhou Yupeng Precision Hardware Co ltd
Priority date: 2019-12-10
Filing date: 2019-12-10
Publication date: 2020-10-23
Anticipated expiration: 2029-12-10

Abstract

The utility model discloses a location pivot relates to the pivot field, for solving the problem that current location pivot length among the prior art can't adapt to different environment. The utility model discloses a bearing structure, including base, mounting hole, sleeve, installation section of thick bamboo, bearing cover and barrel fixed connection, the support is installed to one side of base, and support and base welded connection, the preceding terminal surface of base is provided with the mounting hole, and the mounting hole sets up structure as an organic whole with the base, the sleeve is installed to the upper end of base, an installation section of thick bamboo is installed to the lower extreme of base, and sleeve and installation section of thick bamboo set up structure as an organic whole, first pivot is installed to telescopic one side, one side of first pivot is provided with the second pivot, the third pivot is installed to one side of second pivot, and bearing housing and sleeve fixed connection, the stopper is installed to the lower extreme of first pivot, and stopper and first pivot set up structure as an organic whole, and one side of stopper is provided with the.

Description

Positioning rotating shaft

Technical Field

The utility model relates to a pivot technical field specifically is a location pivot.

Background

The pivot, what the name implies is that connect zero main part of product must use, be arranged in the rotation work not only bear bending moment but also bear the axle of moment of torsion, link that zero main part of product must use, be arranged in the rotation work not only to bear bending moment but also bear the axle of moment of torsion and be called the pivot, common pivot has: a mobile phone rotating shaft (a flip phone or a rotary screen mobile phone); a notebook computer rotating shaft; a portable DVD spindle; a rotating shaft of the LED desk lamp; LCD display screen rotating shaft; vehicle-mounted support pivot such as GPS, etc., hollow structure pivot, its structure is very simple, easy to produce, influence the factor of torsion be interference volume when public axle and female axle cooperate, but its interference volume must not be too big in certain size range, otherwise can produce the structural damage, so need more accurate dimensional tolerance, accord with required interference requirement, pivot wearing and tearing are the common equipment problem in the axle use, mainly are caused by the metallic property of axle: metals, although having high hardness, are susceptible to adhesive wear, abrasive wear, fatigue wear, fretting wear, and the like because of their poor deformability (inability to recover after deformation), poor impact resistance, and poor fatigue resistance.

After the basic module of the rotating shaft is made, further processing is started according to a flow chart which is made in advance, a certain process level is achieved, a lot of equipment which needs to be folded, such as folding table legs, notebook computers and the like, are produced and living, the rotating shaft of the rotating shaft usually needs to be rotated to a certain angle and fixed, and the conventional rotating shaft is single in positioning, cannot change the length, is difficult to position and cannot meet more requirements of users; therefore, the market urgently needs to develop a positioning rotating shaft to help people to solve the existing problems.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a location pivot to solve the unable problem that adapts to different environment of current location pivot length that provides in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a location pivot, includes the base, the support is installed to one side of base, and support and base welded connection, the preceding terminal surface of base is provided with the mounting hole, and the mounting hole sets up structure as an organic whole with the base, the sleeve is installed to the upper end of base, an installation section of thick bamboo is installed to the lower extreme of base, and sleeve and an installation section of thick bamboo set up structure as an organic whole, and installation section of thick bamboo and sleeve all with base welded connection, first pivot is installed to telescopic one side, one side of first pivot is provided with the second pivot, the third pivot is installed to one side of second pivot.

Preferably, telescopic internally mounted has the bearing housing, and bearing housing and sleeve fixed connection, the stopper is installed to the lower extreme of first pivot, and stopper and first pivot set up structure as an organic whole, and one side of stopper is provided with the sliding block, and stopper and sliding block laminating, the cover is installed to the lower extreme of an installation section of thick bamboo, and cover and installation section of thick bamboo threaded connection, the second spring is installed to one side of cover, and second spring and slider welded connection.

Preferably, the first rotating shaft is rotatably connected with the bearing sleeve, a connecting shaft is arranged outside the second rotating shaft, and the connecting shaft is rotatably connected with the second rotating shaft.

Preferably, the two sides of the connecting shaft are provided with fixing plates, the fixing plates and the connecting shaft are arranged into an integral structure, fixing holes are formed in the outer portions of the fixing plates, and the fixing holes and the fixing plates are arranged into an integral structure.

Preferably, a connecting portion is arranged between the third rotating shaft and the second rotating shaft, anti-slip pads are arranged at two ends of the connecting portion, and the anti-slip pads are respectively connected with the third rotating shaft and the second rotating shaft in an adhesion mode.

Preferably, the preceding terminal surface of third pivot and second pivot all is provided with the breach, and the breach sets up structure as an organic whole with second pivot and third pivot respectively, the inside of second pivot and third pivot one side all is provided with the through-hole, and the through-hole sets up structure as an organic whole with second pivot and third pivot, the internal surface of breach is provided with sealed the pad, and sealed pad and breach sealing connection.

Preferably, the opposite side of third pivot is provided with the buckle, and the buckle is provided with two, and two buckles all with third pivot welded connection, first spring is installed to one side of buckle, and first spring respectively with two buckle welded connection, the buckle of third pivot extends to the breach inside and second pivot fixed connection of second pivot.

Compared with the prior art, the beneficial effects of the utility model are that:

the utility model, through the arrangement of the connecting part, when the positioning rotating shaft is used for fixing and installing work, the length of the rotating shaft can be changed according to the use position and the use environment, when a longer rotating shaft is required to be used, the buckle at one side of the third rotating shaft is clamped into the through hole of the second rotating shaft and is tightly attached to the sealing gasket through the embedding gap, thereby fixing the two rotating shafts, and the first spring can keep enough stress of the buckle to ensure that the connecting part between the third rotating shaft and the second rotating shaft is stable enough, the connection mode is simple and convenient, the fixing and installation can be carried out without using tools, and only the buckle at the notch is required to be extruded, can be with third pivot and second pivot split to shorten the pivot, the practicality is strong, and fixed knot constructs not occupation volume, makes second pivot and third pivot surface keep smooth, does not influence the use, and the result of use is better.

Drawings

Fig. 1 is an overall schematic view of a positioning rotating shaft of the present invention;

FIG. 2 is an internal structure view of a third rotating shaft according to the present invention;

fig. 3 is a cross-sectional view of the base of the present invention.

In the figure: 1. a base; 2. a support; 3. mounting holes; 4. a sleeve; 5. a first rotating shaft; 6. a connecting shaft; 7. a fixing plate; 8. a fixing hole; 9. a second rotating shaft; 10. a third rotating shaft; 11. a connecting portion; 12. a notch; 13. a through hole; 14. buckling; 15. a first spring; 16. a gasket; 17. mounting the cylinder; 18. a cylinder cover; 19. a second spring; 20. a limiting block; 21. and a bearing sleeve.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Referring to fig. 1-3, the present invention provides an embodiment: the utility model provides a location pivot, including base 1, support 2 is installed to one side of base 1, and support 2 and base 1 welded connection, base 1's preceding terminal surface is provided with mounting hole 3, and mounting hole 3 sets up structure as an organic whole with base 1, sleeve 4 is installed to base 1's upper end, installation section of thick bamboo 17 is installed to base 1's lower extreme, and sleeve 4 sets up structure as an organic whole with installation section of thick bamboo 17, and installation section of thick bamboo 17 and sleeve 4 all with base 1 welded connection, first pivot 5 is installed to one side of sleeve 4, one side of first pivot 5 is provided with second pivot 9, third pivot 10 is installed to one side of second pivot 9, can carry out fixed mounting with the bottom of location pivot through base 1, convenient fixed different service environment, can change the length of pivot according to use position and service environment.

Further, the internally mounted of sleeve 4 has bearing housing 21, and bearing housing 21 and sleeve 4 fixed connection, stopper 20 is installed to the lower extreme of first pivot 5, and stopper 20 sets up structure as an organic whole with first pivot 5, one side of stopper 20 is provided with the sliding block, and stopper 20 and sliding block laminating, cover 18 is installed to the lower extreme of installation section of thick bamboo 17, and cover 18 and installation section of thick bamboo 17 threaded connection, second spring 19 is installed to one side of cover 18, and second spring 19 and slider welded connection, can dismantle stopper 20 of first pivot 5 below through dismantling cover 18, thereby can be with first pivot 5 and base 1 split.

Further, the first rotating shaft 5 is rotatably connected with the bearing sleeve 21, the connecting shaft 6 is arranged outside the second rotating shaft 9, the connecting shaft 6 is rotatably connected with the second rotating shaft 9, and the rotating shaft is movably adjusted through the connecting shaft 6.

Further, the two sides of the connecting shaft 6 are provided with fixing plates 7, the fixing plates 7 and the connecting shaft 6 are arranged into an integral structure, fixing holes 8 are formed in the outer portions of the fixing plates 7, the fixing holes 8 and the fixing plates 7 are arranged into an integral structure, and the fixing plates 7 can be conveniently installed through the fixing holes 8.

Further, a connecting portion 11 is arranged between the third rotating shaft 10 and the second rotating shaft 9, anti-slip pads are arranged at two ends of the connecting portion 11, the anti-slip pads are respectively connected with the third rotating shaft 10 and the second rotating shaft 9 in an adhesion mode, and the anti-slip pads are tightly attached to the sealing pads 16 through the embedding gaps 12, so that the two rotating shafts can be fixed.

Further, third pivot 10 and second pivot 9's preceding terminal surface all is provided with breach 12, and breach 12 sets up structure as an organic whole with second pivot 9 and third pivot 10 respectively, the inside of second pivot 9 and third pivot 10 one side all is provided with through-hole 13, and through-hole 13 sets up structure as an organic whole with second pivot 9 and third pivot 10, the internal surface of breach 12 is provided with sealed 16, and sealed 16 and 12 sealing connection of breach, closely laminate with sealed 16 of filling up through embedding breach 12, thereby can fix two pivots.

Further, the opposite side of third pivot 10 is provided with buckle 14, and buckle 14 is provided with two, two buckles 14 all with third pivot 10 welded connection, first spring 15 is installed to one side of buckle 14, and first spring 15 respectively with two buckle 14 welded connection, buckle 14 of third pivot 10 extends to the inside and second pivot 9 fixed connection of breach 12 of second pivot 9, the accessible is gone into the buckle 14 card of third pivot 10 one side inside second pivot 9 through-hole 13, thereby can fix two pivots.

The working principle is as follows: when the fixing device is used, when the positioning rotating shaft is used for fixing and mounting work, the length of the rotating shaft can be changed according to the use position and the use environment, when a longer rotating shaft needs to be used, the buckle 14 on one side of the third rotating shaft 10 can be clamped into the through hole 13 of the second rotating shaft 9, the embedding notch 12 is tightly attached to the sealing gasket 16, so that the two rotating shafts can be fixed, the buckle 14 can keep enough stress through the first spring 15, the connecting part 11 between the third rotating shaft 10 and the second rotating shaft 9 is stable enough, the connecting mode is simple and convenient, the fixing device does not need to be used for fixing and mounting, only the buckle 14 at the notch 12 needs to be extruded, the third rotating shaft 10 and the second rotating shaft 9 can be separated, the bottom of the positioning rotating shaft can be fixedly mounted through the base 1, different use environments are convenient to fix, the fixing plate 7 can be conveniently mounted through the fixing hole 8, and carrying out connection positioning work.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides a location pivot, includes base (1), its characterized in that: support (2) are installed to one side of base (1), and support (2) and base (1) welded connection, the preceding terminal surface of base (1) is provided with mounting hole (3), and mounting hole (3) set up structure as an organic whole with base (1), sleeve (4) are installed to the upper end of base (1), installation section of thick bamboo (17) is installed to the lower extreme of base (1), and sleeve (4) set up structure as an organic whole with installation section of thick bamboo (17), and installation section of thick bamboo (17) and sleeve (4) all with base (1) welded connection, first pivot (5) are installed to one side of sleeve (4), one side of first pivot (5) is provided with second pivot (9), third pivot (10) are installed to one side of second pivot (9).

2. A positioning spindle according to claim 1, wherein: the internally mounted of sleeve (4) has bearing housing (21), and bearing housing (21) and sleeve (4) fixed connection, stopper (20) are installed to the lower extreme of first pivot (5), and stopper (20) set up structure as an organic whole with first pivot (5), and one side of stopper (20) is provided with the sliding block, and stopper (20) and sliding block laminating, cover (18) are installed to the lower extreme of installation section of thick bamboo (17), and cover (18) and installation section of thick bamboo (17) threaded connection, second spring (19) are installed to one side of cover (18), and second spring (19) and slider welded connection.

3. A positioning spindle as claimed in claim 2, wherein: first pivot (5) rotate with bearing housing (21) and are connected, the outside of second pivot (9) is provided with connecting axle (6), and connecting axle (6) rotate with second pivot (9) and be connected.

4. A positioning spindle according to claim 3, wherein: the fixing device is characterized in that fixing plates (7) are arranged on two sides of the connecting shaft (6), the fixing plates (7) and the connecting shaft (6) are arranged to be of an integral structure, fixing holes (8) are formed in the outer portions of the fixing plates (7), and the fixing holes (8) and the fixing plates (7) are arranged to be of an integral structure.

5. A positioning spindle according to claim 1, wherein: and a connecting part (11) is arranged between the third rotating shaft (10) and the second rotating shaft (9), anti-slip pads are arranged at two ends of the connecting part (11), and the anti-slip pads are respectively bonded with the third rotating shaft (10) and the second rotating shaft (9).

6. A positioning spindle according to claim 1, wherein: third pivot (10) and the preceding terminal surface of second pivot (9) all are provided with breach (12), and breach (12) set up structure as an organic whole with second pivot (9) and third pivot (10) respectively, the inside of second pivot (9) and third pivot (10) one side all is provided with through-hole (13), and through-hole (13) set up structure as an organic whole with second pivot (9) and third pivot (10), the internal surface of breach (12) is provided with sealed pad (16), and sealed pad (16) and breach (12) sealing connection.

7. A positioning spindle according to claim 1, wherein: the opposite side of third pivot (10) is provided with buckle (14), and buckle (14) are provided with two, and two buckle (14) all with third pivot (10) welded connection, first spring (15) are installed to one side of buckle (14), and first spring (15) respectively with two buckle (14) welded connection, buckle (14) of third pivot (10) extend to breach (12) inside and second pivot (9) fixed connection of second pivot (9).