CN217863948U - Motor shaft locking structure applied to ceiling screen - Google Patents

Abstract

The utility model discloses a be applied to and inhale motor shaft locking structure on top screen, including fixing base and motor drive mechanism, motor drive mechanism includes the motor shaft, but relative motor shaft pivoted motor shell, be equipped with power supply shaft male spliced eye on the fixing base, be located and be equipped with the tight portion that expands on the motor shaft in the spliced eye, expand and offer threaded hole along its axial in the tight portion, it has seted up the breach to lie in on the lateral wall of screw hole on the motor shaft, still including being located the bolt in the threaded hole, the bolt includes the screw thread section and is located the extrusion section of screw thread section rear side, the tight portion inboard that expands is equipped with the adaptation face with extrusion section looks adaptation, one of them at least one of extrusion section and adaptation face is the slope setting, through offering the screw hole in the tight portion that expands of motor shaft, and offer the breach on the lateral wall of its screw hole, the rethread bolt precession makes the tight portion that expands outwards, on the basis that increases stability, size clearance has been reduced again.

Description

Motor shaft locking structure applied to ceiling screen

Technical Field

The utility model relates to the technical field of auto-parts, in particular to be applied to and inhale motor shaft locking structure on a screen.

Background

With the continuous improvement of living standard of people, the number of private cars is increasing day by day, and various matching devices of the private cars are more and more complete, wherein various vehicle-mounted screens are more and more popular with people, especially the vehicle-mounted ceiling screen.

The vehicle-mounted ceiling screen is an entertainment device which is installed on the top of a vehicle and used for playing multimedia information, and has wide application in medium and large vehicles such as multipurpose vehicles and station wagons.

The patent in the Chinese invention application has the patent application number of 202110815000.7, and the patent name is: the utility model provides a multi-functional rotatable formula is electronic inhales a screen structure, includes the mount pad and rotates the display screen that sets up on the mount pad, its characterized in that still includes: the electric transmission mechanism comprises a rotating shaft, a motor shell which can rotate relative to the rotating shaft and is connected with the display screen, and a damping structure arranged in the motor shell; gravity balance pole, it is equipped with two and is located the both sides position of display screen respectively, each gravity balance pole all includes rotates the shell of being connected with the mount pad, locate the elastic component in the shell and one end and the elastic component connection other end and the display screen rotate the connecting rod of being connected, with when the relative mount pad of display screen is opened, the connecting rod removes and compresses the elastic component to the direction that is close to the elastic component, the motor casing adopts a metal support to drive the display screen and overturns usually, do not rotate in order to keep the pivot, make the motor casing rotate, the pivot can be fixed through a metal mount, however, the pivot produces the clearance easily with the metal mount in the assembly, make the motor casing rock easily when the rotation, stability is relatively poor.

Disclosure of Invention

The utility model aims at: in order to overcome prior art's defect, the utility model provides a be applied to and inhale motor shaft locking structure on the screen of pushing up sets up the screw hole through the tight portion that expands at the motor shaft to set up the breach on the lateral wall of its screw hole, rethread bolt top precession screw hole makes the outside inflation of tight portion that expands, reduces the clearance between bolt and the mount, on the basis of increasing stability, has reduced size clearance again.

The utility model discloses a be applied to and inhale motor shaft locking structure on top screen, including fixing base and motor drive mechanism, motor drive mechanism includes motor shaft, motor shaft pivoted motor casing relatively, its characterized in that: be equipped with on the fixing base and supply motor shaft male spliced eye, be located to be equipped with the tight portion of expanding on the motor shaft of spliced eye, the tight portion of expanding is gone up and is seted up threaded hole along its axial, set up the breach that sets up along its axial on the lateral wall of the tight portion of expanding, still including being located the bolt in the threaded hole, the bolt includes the screw thread section and is located the extrusion section of screw thread section rear side, the tight portion inboard of expanding is equipped with the adaptation face with extrusion section adaptation, one of them at least one of extrusion section and adaptation face is the slope setting.

Adopt above-mentioned technical scheme, during the assembly, the motor shaft inserts from the one end of spliced eye, make bloated tight position in the spliced eye, the bolt by the spliced eye other end insert the spliced eye and with the epaxial screw hole screw-thread fit of motor, when the bolt is toward threaded hole inside precession, thereby the extrusion section can extrude the adaptation face and lead to bloated tight portion and outwards expand, thereby play bloated tight effect, reduce the size clearance of bloated tight portion and spliced eye inner wall under the prerequisite that increases the fastness, make it more stable when using.

The utility model discloses a further setting again: the expansion part is provided with a cross groove to form a plurality of gaps and four expansion pieces arranged at intervals along the circumferential direction.

By adopting the technical scheme, the expansion piece can be conveniently expanded outwards, so that the assembly is more convenient.

The utility model discloses a further setting again: the display screen fixing device is characterized by further comprising a support for fixing the display screen, the support is fixedly connected with the motor shell, an assembly cavity is formed in the support, the fixing seat is partially located in the assembly cavity, and a lining part is arranged between the inner wall of the assembly cavity and the outer wall of the fixing seat.

Adopt above-mentioned technical scheme, in the time of the use, the motor casing can drive the support in the time of the pivoted and rotate, then the support drives the display screen again and rotates, links up through the support, can make the display screen more convenient in the installation to also more stable in the time of the pivoted, can share partial gravity through support and fixing base cooperation moreover, thereby the life of extension motor shaft, the bush spare can reduce the fixing base and assemble intracavity wall's size clearance.

The utility model discloses a further setting: the support and the fixing seat are both made of metal materials, and the lining part is made of plastics.

By adopting the technical scheme, the support and the fixing seat are made of metal materials, so that the structural rigidity can be increased, the deformation of the support and the fixing seat is prevented, and the bushing piece is made of plastic and can play a role in noise prevention.

The utility model discloses a further setting again: the extrusion section and the adapting surface are both conical.

By adopting the technical scheme, the contact area can be increased, so that the contact structure is more stable in use.

The utility model discloses a further setting: and one end of the bolt facing outwards is provided with an adjusting groove matched with the screwdriver.

By adopting the technical scheme, the bolt can be conveniently adjusted.

Drawings

FIG. 1 is a drawing showing the application of the present invention;

FIG. 2 is a cross-sectional view of FIG. 1;

FIG. 3 is a schematic view of a partial structure of the present invention;

FIG. 4 is a schematic view of the fixing base of the present invention;

FIG. 5 is a schematic view of the bracket structure of the present invention;

FIG. 6 is a schematic view of the structure of the motor transmission mechanism of the present invention;

fig. 7 is a schematic structural view of the motor transmission mechanism of the present invention;

FIG. 8 is a schematic view of the bolt structure of the present invention;

fig. 9 is an enlarged view of a portion a of fig. 2.

Detailed Description

The following detailed description of the embodiments of the present invention is provided with reference to the accompanying drawings:

the utility model discloses a be applied to and inhale motor shaft locking structure on top screen, including fixing base 1 and motor drive mechanism 2, motor drive mechanism 2 includes motor shaft 21 and motor shaft 21 pivoted motor casing 22 relatively, and this paper mainly improves motor shaft 21 part and connected mode, so other parts of motor drive mechanism 2 do not just do not do detailed concrete introduction, the utility model discloses in the implementation case, be equipped with on fixing base 1 and supply motor shaft 21 male spliced eye 11, motor shaft 21 can be inserted in spliced eye 11 by the one end of spliced eye 11, be located and be equipped with the tight portion of expanding on the motor shaft 21 of spliced eye 11, the tight portion of expanding has seted up screw hole 211 along its axial, be equipped with the breach 212 that sets up along the motor shaft axial on the lateral wall of the tight portion of expanding, still including inserting to the downthehole bolt 3 of screw thread from the spliced eye 11 other end, bolt 3 includes screw thread section 31 and is located the extrusion section 32 of screw thread 31 rear side, the inboard adaptation face 213 that is equipped with extrusion section 32 looks adaptation that extrudees, one of extrusion section 32 and adaptation face 213 is slope setting with one of 213, most preferably extrudees section 32 and adaptation face 213, can increase its stable area of contact when making it more use.

Adopt above-mentioned technical scheme, during the assembly, motor shaft 21 inserts from the one end of spliced eye 11, bolt 3 by the spliced eye 11 other end insert spliced eye 11 and with the screw hole 211 screw-thread fit on the motor shaft 21, when bolt 3 when toward the inside precession of screw hole 211, thereby extrusion section 32 can extrude adaptation face 213 and lead to the tight portion of expanding toward outer expansion, thereby play the effect of tight, reduce the size clearance of tight cover of expanding and the 11 inner walls of spliced eye under the prerequisite that increases the fastness, it is more stable when using to make it, then through fixing base 1 on the shell of inhaling the top screen can, and set up breach 212 can be convenient for the outside inflation of the tight portion of expanding.

Set up the cross recess in the tight portion of expanding and form a plurality of breachs 212 and four tight pieces 4 that expand that set up along the circumferencial direction interval, the cross recess has been seted up on the motor shaft 21, and breach 212 is the notch of cross recess, forms a plurality of breachs 212 through a plurality of notches for tight portion of expanding is formed by a plurality of tight pieces 4 that expand, is convenient for expand tight set whole deformation outwards expand.

The automobile display screen fixing device is characterized by further comprising a support 5 for fixing the display screen, the support 5 is fixedly connected with the motor shell 22 (the support 5 and the motor shell 22 are most preferably fixed by fixing pieces such as bolts or pins), an assembly cavity 51 is formed in the support 5, the fixing seat 1 is partially located in the assembly cavity 51, a lining member 6 is arranged between the inner wall of the assembly cavity 51 and the outer wall of the fixing seat 1, the support 5 and the fixing seat 1 are most preferably made of metal materials, the lining member 6 is made of plastics, the support 5 and the fixing seat 1 are made of metal materials and can increase structural rigidity, and therefore deformation of the support 5 and the fixing seat is prevented, when the automobile display screen fixing device is used, the support 5 can be driven to rotate when the motor shell 22 rotates, then the support 5 drives the display screen to rotate, the support 5 is connected through the support 5, the display screen can be mounted more conveniently and is more stable when the display screen rotates, partial gravity can be shared through the cooperation of the support 5 and the fixing seat 1, the service life of the motor shaft 21 is prolonged, the lining member 6 can reduce the size gap between the inner wall of the fixing seat 1 and the inner wall of the assembly cavity 51, and noise can be prevented from easily produced when the support 5 and the fixing seat 1 are made of metal materials and made of the plastic lining member.

An adjusting groove 7 matched with a screwdriver is formed in one end, facing outwards, of the bolt 3 (the adjusting groove 7 can be a straight groove, a cross groove or an inner hexagon and the like, the shape of the adjusting groove 7 belongs to common knowledge of technicians in the field, and detailed description is omitted here), and the bolt 3 can be adjusted conveniently.

Claims (6)

1. The utility model provides a be applied to and inhale motor shaft locking structure on top screen, includes fixing base and motor drive mechanism, motor drive mechanism includes motor shaft, motor shaft pivoted motor casing relatively, its characterized in that: be equipped with on the fixing base and supply motor shaft male spliced eye, be located to be equipped with the tight portion that expands on the motor shaft of spliced eye, set up threaded hole along its axial in the tight portion that expands, set up the breach that sets up along its axial on the lateral wall of the tight portion that expands, still including being located the bolt of threaded hole, the bolt includes the screw thread section and is located the extrusion section of screw thread section rear side, the tight inboard adaptation face that is equipped with extrusion section looks adaptation of the tight portion that expands, extrusion section and one of them at least one of adaptation face are the slope and set up.

2. The motor shaft locking structure applied to the ceiling screen as claimed in claim 1, wherein: the expansion part is provided with a cross groove to form a plurality of gaps and four expansion pieces arranged at intervals along the circumferential direction.

3. The motor shaft locking structure applied to the ceiling screen as set forth in claim 1 or 2, wherein: the display screen fixing device is characterized by further comprising a support for fixing the display screen, the support is fixedly connected with the motor shell, an assembly cavity is formed in the support, the fixing seat is partially located in the assembly cavity, and a lining part is arranged between the inner wall of the assembly cavity and the outer wall of the fixing seat.

4. The motor shaft locking structure applied to the ceiling screen as set forth in claim 3, wherein: the support and the fixing seat are both made of metal materials, and the lining part is made of plastics.

5. The motor shaft locking structure applied to the ceiling screen as set forth in claim 4, wherein: the extrusion section and the adapting surface are both conical.

6. The motor shaft locking structure applied to the ceiling screen as set forth in claim 4 or 5, wherein: and one end of the bolt facing outwards is provided with an adjusting groove matched with the screwdriver.

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