CN218918448U

CN218918448U - Driving device for turntable of turntable machine

Info

Publication number: CN218918448U
Application number: CN202222878040.9U
Authority: CN
Inventors: 齐善保; 王雄生; 蔡巧霞; 白材松; 林碰英
Original assignee: Fujian Anxi Chuangzhanli Electronic Technology Co ltd
Current assignee: Fujian Anxi Chuangzhanli Electronic Technology Co ltd
Priority date: 2022-10-31
Filing date: 2022-10-31
Publication date: 2023-04-25
Anticipated expiration: 2032-10-31

Abstract

The utility model discloses a driving device of turntable machine, which comprises: the lifting device comprises a bottom frame, lifting rods, a main board, a tray, a limiting hook and a detection arm, wherein the lifting rods are arranged in an upward extending mode of the bottom frame, the lifting rods are connected with the main board through metal frames, the tray is horizontally fixed at the top of the lifting rods and connected with the lifting rods through bolts, the limiting hook is arranged on the side edge of the tray, and the detection arm is nested in a wall body of a movable rod at the top of the lifting rods; the beneficial effects are that: the telescopic link is nested with the expansion tank and stretches out and draws back to carry out rotary adjustment with the rotary tank, can fix the position of test pencil, drive the test pencil of installing at the test pencil groove through synchronous ejector pin and reciprocate, can avoid leading to producing the short circuit between the contact in the test, and the test pencil all stays in fixed position at every turn, avoid need repositioning at every turn and lead to work efficiency to reduce more troublesome.

Description

Driving device for turntable of turntable machine

Technical Field

The utility model relates to a driving device of a turntable machine, belonging to the field of multimedia playing equipment.

Background

The utility model provides a black matrix player is an original playback device, arranges the revolving stage on through the record, rotates under the needle and vocalizes, needs to test when black matrix player leaves the factory, and current testing arrangement has some problems when driving the CD player carousel:

in order to test whether the stylus of the turntable is normal or not, an output signal read by the oscilloscope test turntable is required, a test pen is required to be reversely stamped on a contact of a circuit board arranged on the back of the shell in the test process, and short circuit is caused when the test pen is obliquely tested.

Disclosure of Invention

Aiming at the defects existing in the prior art, the utility model aims to provide a driving device of a turntable machine, so as to solve the problem that in order to test whether a stylus of the turntable is normal or not, an output signal read by an oscilloscope test turntable is needed, a test pen is needed to be reversely stamped on a contact of a circuit board arranged on the back of a shell in the test process, and short circuit is caused when the test pen is obliquely tested.

In order to achieve the above object, the present utility model is realized by the following technical scheme: a kind of drive unit of the turntable of the gramophone, its structure includes: the lifting device comprises a bottom frame, lifting rods, a main board, a tray, a limiting hook and a detection arm, wherein the lifting rods are arranged in an upward extending mode of the bottom frame, the lifting rods are connected with the main board through metal frames, the tray is horizontally fixed at the top of the lifting rods and connected with the lifting rods through bolts, the limiting hook is arranged on the side edge of the tray, and the detection arm is nested in a wall body of a movable rod at the top of the lifting rods;

the detection arm includes: clamping rod, expansion groove, first regulation pole, rotary tank, second are adjusted the pole, the clamping rod imbeds in the cell body of expansion groove, and with the first regulation pole clearance fit of expansion groove side, the rotary tank nestification is on the body of rod surface of lifter, and the rotary tank is spacing through the second regulation pole.

Preferably, the clamping rod comprises: the test pencil comprises a telescopic rod, a fixed rod, a synchronous ejector rod, a test pencil groove and a sliding block, wherein the end head of the telescopic rod and the fixed rod form an integrated structure through welding, the synchronous ejector rod penetrates through a through hole in the bottom of the sliding block to be connected with the test pencil groove, the sliding block is movably connected with the test pencil groove, and the fixed rod is mutually nested with the telescopic groove through the telescopic rod.

Preferably, the pressing rod of the second adjusting rod is provided with a pressing sheet, and friction force can be improved during lamination.

Preferably, the top surface of the test pen slot is nested with a spring, one section of the spring is contacted with the inner wall of the sliding block, the other side of the spring is nested in the slot body of the test pen slot, and the test pen is retracted under the condition of no pressing, so that the insulation layer of the circuit board can be prevented from being scratched.

Preferably, the test pen groove is provided with a penetrating round groove, the top of the round groove is also provided with a round groove with the depth of 1/2 of that of the groove body, and the top groove can be used for nesting a limiting ring at the top of the test pen, so that the test pen is prevented from falling off.

Preferably, the rotary groove adopts a bearing, so that the rotary groove is smoother in rotation and can be adjusted in multiple directions.

Advantageous effects

The utility model relates to a driving device of turntable of a turntable machine, which has the following effects: the telescopic link is nested with the expansion tank and stretches out and draws back to carry out rotary adjustment with the rotary tank, can fix the position of test pencil, drive the test pencil of installing at the test pencil groove through synchronous ejector pin and reciprocate, can avoid leading to producing the short circuit between the contact in the test, and the test pencil all stays in fixed position at every turn, avoid need repositioning at every turn and lead to work efficiency to reduce more troublesome.

Drawings

Other features, objects and advantages of the present utility model will become more apparent upon reading of the detailed description of non-limiting embodiments, given with reference to the accompanying drawings in which:

fig. 1 is a schematic structural view of a turntable driving apparatus for a turntable of a turntable for a turntable.

Fig. 2 is a schematic view of the bottom view structure of the detection arm.

Fig. 3 is a schematic cross-sectional view of the practical clamping rod.

Fig. 4 is a schematic top view of the present utility model.

In the figure: the test device comprises a chassis-1, a lifting rod-2, a main board-3, a tray-4, a limit hook-5, a detection arm-6, a clamping rod-61, a telescopic slot-62, a first adjusting rod-63, a rotating slot-64, a second adjusting rod-65, a telescopic rod-611, a fixed rod-612, a synchronous ejector rod-613, a test pen slot-614 and a sliding block-615.

Detailed Description

The utility model is further described in connection with the following detailed description, in order to make the technical means, the creation characteristics, the achievement of the purpose and the effect of the utility model easy to understand.

Referring to fig. 1 to 4, the present utility model provides a driving device for turntable of turntable machine, which comprises: the structure comprises: the lifting device comprises a bottom frame 1, lifting rods 2, a main board 3, a tray 4, limiting hooks 5 and detection arms 6, wherein the lifting rods 2 are arranged in an upward extending mode of the bottom frame 1, the lifting rods 2 are connected with the main board 3 through metal frames, the tray 4 is horizontally fixed at the top of the lifting rods 2 and connected with the lifting rods through bolts, the side edges of the tray 4 are provided with the limiting hooks 5, and the detection arms 6 are nested in the wall body of a movable rod at the top of the lifting rods 2;

the detection arm 6 includes: clamping rod 61, flexible groove 62, first regulation pole 63, rotary groove 64, second regulation pole 65, in the cell body of clamping rod 61 embedding flexible groove 62, and with the first regulation pole 63 clearance fit of flexible groove 62 side, rotary groove 64 nestification is on the body of rod surface of lifter 2, and rotary groove 64 is spacing through second regulation pole 65, the depression bar of second regulation pole 65 is equipped with the preforming, can improve frictional force when laminating, rotary groove 64 adopts the bearing, and is smoother in the time of the rotation, can multidirectional the regulation.

The clip lever 61 includes: the telescopic rod 611, the fixed rod 612, the synchronous ejector rod 613, the test pen groove 614, the slider 615, the end of telescopic rod 611 and fixed rod 612 form an integral structure through the welding, synchronous ejector rod 613 runs through the through-hole of slider 615 bottom and is connected with test pen groove 614, slider 615 and test pen groove 614 swing joint, fixed rod 612 is nested each other with telescopic tank 62 through telescopic rod 611, the top surface of test pen groove 614 is nested to have the spring, spring one section is contacted with the inner wall of slider 615, the opposite side is nested in the cell body of test pen groove 614, test pen is retracted under the condition of not pressing, can avoid the insulating layer of scratch circuit board, test pen groove 614 is equipped with the through-type circular slot, and the circular slot top still has the circular slot of degree of depth for cell body 1/2, the roof groove can be used for the spacing ring at nested test pen top, avoid the test pen to drop.

The telescopic rod 611 and the telescopic groove 62 are nested to stretch out and draw back, the telescopic rod is rotatably adjusted with the rotary groove 64, the position of a test pen can be fixed, the test pen installed in the test pen groove 614 is driven to move up and down through the synchronous ejector rod 613, short circuits can be prevented from being generated between contacts in the test process, the test pen stays at a fixed position every time, and the problem that the work efficiency is reduced because of repositioning every time is avoided is solved.

When in use: the mainboard 3 and the tray 4 that the top was used for placing turntable module of the turntable machine of fixed test of lifter 2 at chassis 1 top can make the module of the turntable machine be in accurate position in every turn the test through spacing collude 5, and avoid jack-up the module of turntable machine in the test pencil test.

The telescopic rod 611 of the clamping rod 61 of the detection arm 6 is matched with the telescopic groove 62 to change the movable radius of the test pen groove 614, the swing of the rotary groove 64 can be positioned to a detection point, the rotary groove 64 and the telescopic rod 611 are fixed through the first adjusting rod 63 and the second adjusting rod 65, the test pen groove 614 is fixed and detected, the test pen fixed in the test pen groove 614 is vertically pressed up through the synchronous ejector rod 613 during each detection, the contact of an output signal is accurately touched, the problem that the test pen needs to be reversely stamped on the contact of a circuit board arranged on the back of the shell in the test process, and short circuit is caused during the test pen inclination test is solved.

The foregoing has described only the basic principles and preferred embodiments of the present utility model, and many variations and modifications will be apparent to those skilled in the art in light of the above description, which variations and modifications are intended to be included within the scope of the present utility model.

Furthermore, it should be understood that although the present disclosure describes embodiments, not every embodiment is provided with a separate embodiment, and that this description is provided for clarity only, and that the disclosure is not limited to the embodiments described in detail below, and that the embodiments described in the examples may be combined as appropriate to form other embodiments that will be apparent to those skilled in the art.

Claims

1. A kind of drive unit of the turntable of the gramophone, its structure includes: chassis (1), lifter (2), mainboard (3), tray (4), spacing collude (5), detect arm (6), chassis (1) upward extension is equipped with lifter (2), its characterized in that:

the lifting rod (2) is connected with the main board (3) through a metal frame, the tray (4) is horizontally fixed at the top of the lifting rod (2) and is connected through bolts, a limit hook (5) is arranged on the side edge of the tray (4), and the detection arm (6) is nested in the wall body of the movable rod at the top of the lifting rod (2);

the detection arm (6) comprises: clamping rod (61), expansion groove (62), first regulation pole (63), rotary groove (64), second regulation pole (65), clamping rod (61) imbeds in the cell body of expansion groove (62), and with the first regulation pole (63) clearance fit of expansion groove (62) side, rotary groove (64) nest are on the body of rod surface of lifter (2), and rotary groove (64) are spacing through second regulation pole (65).

2. The turntable driving apparatus of a turntable type as claimed in claim 1, wherein: the clip lever (61) includes: the test pencil comprises a telescopic rod (611), a fixed rod (612), a synchronous ejector rod (613), a test pencil groove (614) and a sliding block (615), wherein the end of the telescopic rod (611) and the fixed rod (612) form an integrated structure through welding, the synchronous ejector rod (613) penetrates through a through hole in the bottom of the sliding block (615) to be connected with the test pencil groove (614), the sliding block (615) is movably connected with the test pencil groove (614), and the fixed rod (612) is mutually nested with the telescopic groove (62) through the telescopic rod (611).

3. The turntable driving apparatus of a turntable type as claimed in claim 1, wherein: the pressing rod of the second adjusting rod (65) is provided with a pressing sheet.

4. The turntable driving apparatus of a turntable machine as claimed in claim 2, wherein: the top surface of the test pen groove (614) is nested with a spring, one section of the spring is contacted with the inner wall of the sliding block (615), and the other side of the spring is nested in the groove body of the test pen groove (614).

5. The turntable driving apparatus of a turntable machine as claimed in claim 2, wherein: the test pen slot (614) is provided with a penetrating round slot, and the top of the round slot is also provided with a round slot with the depth of 1/2 of that of the slot body.