CN209056281U - Dynamic equilibrium tone arm and gramophone - Google Patents
Dynamic equilibrium tone arm and gramophone Download PDFInfo
- Publication number
- CN209056281U CN209056281U CN201821897607.4U CN201821897607U CN209056281U CN 209056281 U CN209056281 U CN 209056281U CN 201821897607 U CN201821897607 U CN 201821897607U CN 209056281 U CN209056281 U CN 209056281U
- Authority
- CN
- China
- Prior art keywords
- arm
- dynamic
- balance adjustment
- pickup
- adjustment mechanism
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Landscapes
- Testing Of Balance (AREA)
Abstract
The utility model discloses a kind of dynamic equilibrium tone arm and gramophones, tone arm includes pedestal, and it is set to the dynamic balance adjustment mechanism on pedestal, and it is arranged in the arm pipe of dynamic balance adjustment mechanism, the arm pipe includes the forearm of tail arm and arc-shaped bend, the front end of the forearm is provided with pickup, and the clump weight for balancing pickup weight is provided in the tail arm, and the dynamic balance adjustment machine is used for the lower rake angle of dynamic regulation arm pipe.This programme makes forearm and tail arm keep balancing by clump weight, then applies pressure by dynamic balance adjustment mechanism forward arm, reaches the required value of pickup needle pressure；By dynamic balance adjustment mechanism come the lower rake angle of dynamic regulation arm pipe, and then the needle of the pickup of dynamic regulation forearm front end presses size, guarantee stylus using when vibrate up and down and can or can not cause the variation of needle pressure, there is deformation when black glue, or phonograph place it is unhorizontal when, it is not in stylus unstable working condition, and the problem of cause sound to deteriorate.
Description
Technical field
The utility model relates to arrive gramophone field, a kind of dynamic equilibrium tone arm and gramophone are especially related to.
Background technique
The tone arm in black glue phonograph field, each producer's design has the theory of oneself, these theories have correctly, also wrong
Accidentally, the quality of a tone arm cannot look only at the surface of things, it is also necessary to according to the quality of sound, the size of the distortion factor, adaptability it is excellent
Of inferior quality various aspects carry out overall merit.
The needle pressure applying mode of general tone arm mostly uses static balancing mode, that is to say, that the needle pressure of stylus is by adjusting tail
The front-rear position of portion's counterweight is come what is set, and static balancing arm is when tone arm works, since the up-down vibration of stylus will cause needle
The variation of pressure can be led to stylus unstable working condition especially when black glue has deformation or phonograph places unhorizontal, thus
Sound is caused to deteriorate.
Utility model content
In order to solve the defect of the above-mentioned prior art, the purpose of the utility model is to provide a kind of dynamic equilibrium tone arm and stay
Sound machine.
To achieve the above purpose, the technical solution of the present invention is:
A kind of dynamic equilibrium tone arm, including pedestal, and the dynamic balance adjustment mechanism being set on pedestal, and be arranged in dynamic flat
The arm pipe of weighing apparatus regulating mechanism, the arm pipe includes the forearm of tail arm and arc-shaped bend, and the front end of the forearm is provided with pickup, institute
The clump weight being provided in tail arm for balancing pickup gravity is stated, the dynamic balance adjustment machine is oblique for dynamic regulation arm pipe
Angle.
Further, the dynamic balance adjustment mechanism includes shell, adjusting screw, adjusting block, elastic component, connector, with
And it is set in shell and the inside of the shell can be rotationally connected with respect to the rotation axis of housing into rotation, rotation axis both ends
Wall, the tail arm and forearm are connected to the rotation axis, and the connector is set to the rotation axis outer surface, the adjusting block
On be provided with and tapped through hole, the adjusting block are threadedly connected on the adjusting screw, described elastic component one end is connected to tune
Locking nub, the other end are connected to connector, and rotation adjusts screw adjustment adjusting block and adjusting the position on screw, to adjust elastic component
Elastic, the lower rake angle of arm pipe described in dynamic regulation.
Further, the rotation axis both ends are connected with rolling bearing, and the rolling bearing is connected to the side of the shell
Wall.
Further, the dynamic balance adjustment mechanism includes fastening screw, the side of rolling bearing described in the shell face
Wall is provided with fastening through-hole, and fastening screw correspondence is threadedly connected to the fastening through-hole, and the medial surface for being pierced by the shell supports
Push up the lateral surface of the rolling bearing.
Further, protrusion is provided with mark part above the adjusting block, and the shell includes lid and bottom shell above, described
It covers above and offers stripe-like transparent form, the transparent window is set to the surface of the mark part.
Further, the elastic component is spring or elastic strip.
Further, the clump weight includes rear clump weight and side clump weight, and the rear clump weight is arranged in the tail arm,
For balancing the gravity of the pickup in the longitudinal direction, the side clump weight is set to the tail arm side, the side counterweight
Block and pickup are respectively arranged at the two sides of the tail arm, and the side clump weight is for balancing the pickup in the tail arm side direction
On gravity.
It further, further include preceding fixed mechanism, the preceding fixed mechanism includes the fixed substrate for being set to the pedestal,
The front limit part for limiting forearm is provided in the fixed substrate.
Further, the pedestal includes hollow pilum and rotary shaft, and the inner cavity of the pilum, which is provided with, laterally to be turned
Dynamic swivel bearing, the rotary shaft top connect the dynamic balance adjustment mechanism, and bottom end axis is connected to the swivel bearing, rotate
Axis rotation drives the dynamic balance adjustment mechanism rotation.
Also propose a kind of gramophone, including rubber mat, and as above described in any item dynamic equilibrium tone arms.
The beneficial effects of the utility model are: making forearm and tail arm keep balancing by clump weight, then pass through dynamic balancing tune
It saves mechanism forward arm and applies pressure, reach the required value of pickup needle pressure；By dynamic balance adjustment mechanism come dynamic regulation arm pipe
Lower rake angle, so the pickup of dynamic regulation forearm front end needle press size, guarantee stylus using when vibrate up and down can or can not make
It is not in stylus unstable working condition when working as black glue has deformation or phonograph to place unhorizontal at the variation of needle pressure,
And the problem of causing sound to deteriorate.
Detailed description of the invention
Fig. 1 is a kind of structure top view of dynamic equilibrium tone arm of the utility model；
Fig. 2 is a kind of cross-sectional view of the depression angle of dynamic equilibrium tone arm of the utility model；
Fig. 3 is a kind of perspective view of the positive angle of dynamic equilibrium tone arm of the utility model；
Fig. 4 is a kind of structure sectional view of the dynamic balance adjustment mechanism of dynamic equilibrium tone arm of the utility model.
Specific embodiment
For the thought and purpose for illustrating the utility model, the utility model is done below in conjunction with the drawings and specific embodiments
Further instruction.
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describing, it is clear that described embodiment is only a part of the embodiment of the utility model, rather than all
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are not making creative work premise
Under every other embodiment obtained, fall within the protection scope of the utility model.
It is to be appreciated that the directional instruction (up, down, left, right, before and after etc.) of institute is only in the utility model embodiment
For explaining in relative positional relationship, the motion conditions etc. under a certain particular pose (as shown in the picture) between each component, if
When the particular pose changes, then directionality instruction also correspondingly changes correspondingly, and the connection, which can be, to be directly connected to,
It is also possible to be indirectly connected with.
In addition, the description for being such as related to " first ", " second " in the present invention is used for description purposes only, and cannot manage
Solution is its relative importance of indication or suggestion or the quantity for implicitly indicating indicated technical characteristic.Define as a result, " the
The feature of one ", " second " can explicitly or implicitly include at least one of the features.In addition, the skill between each embodiment
Art scheme can be combined with each other, but must be based on can be realized by those of ordinary skill in the art, when technical solution
It will be understood that the combination of this technical solution is not present in conjunction with there is conflicting or cannot achieve when, also not in the utility model
It is required that protection scope within.
Unless otherwise instructed, herein "/" represent meaning as " or ".
Referring to Fig.1-4, one specific embodiment of the utility model, a kind of dynamic equilibrium tone arm, including pedestal 80 are proposed, and is set
The dynamic balance adjustment mechanism 30 being placed on pedestal 80, and it is arranged in the arm pipe of dynamic balance adjustment mechanism 30, arm pipe includes tail arm 10
With the forearm 40 of arc-shaped bend, the front end of forearm 40 is provided with pickup 50, is provided in tail arm 10 for balancing 50 gravity of pickup
Clump weight, dynamic balance adjustment machine be used for dynamic regulation arm pipe lower rake angle.Clump weight makes forearm 40 and tail arm 10 keep flat
Weighing apparatus applies pressure by 30 forward arm 40 of dynamic balance adjustment mechanism, reaches the required value of 50 needle pressure of pickup；Pass through dynamic balance adjustment
Mechanism 30 carrys out the lower rake angle of dynamic regulation arm pipe, and then the needle of the pickup 50 of 40 front end of dynamic regulation forearm presses size, guarantees
Stylus using when vibrate up and down and can or can not cause the variation of needle pressure, when black glue has deformation or phonograph places unhorizontal, no
The problem of will appear stylus unstable working condition, and sound caused to deteriorate.
Include shell 37 referring to Fig. 2-4 dynamic balance adjustment mechanism 30, adjusts screw 31, adjusting block 32, elastic component 33, connection
Part 34, and it is set to the rotation axis 35 that can be rotated in shell 37 and relative to shell 37,35 both ends of rotation axis are rotationally connected with
The inner sidewall of shell, tail arm 10 and forearm 40 are connected to rotation axis 35, and connector 34 is set to 35 outer surface of rotation axis, adjusting block
It is provided on 32 and tapped through hole, adjusting block 32 is threadedly connected on adjusting screw 31,33 one end of elastic component is connected to adjusting block
32, the other end is connected to connector 34, and rotation adjusts screw 31 and adjusts position of the adjusting block 32 on adjusting screw 31, to adjust
Elastic, the lower rake angle of dynamic regulation arm pipe of elastic component 33.
With reference to Fig. 3, mobile adjusting block 32 is rotated by adjusting screw 31, adjusting block 32 is mobile to drive elastic component 33 to tense,
The rotation of 34 rotation axis 35 of connector is pulled up by the pulling force of spring, so that pickup 50 is downwardly applied to a stable pressure and then moves
The needle that state adjusts pickup 50 presses size, guarantee stylus using when vibrate up and down and can or can not cause the variation of needle pressure, guarantee gramophone
Sound quality stablize it is high-quality.
With reference to Fig. 4,35 both ends of rotation axis are connected with rolling bearing 38, and rolling bearing 38 is connected to the side wall of shell 37.Into
One step, dynamic balance adjustment mechanism 30 includes fastening screw 36, and it is logical that the side wall of 37 face rolling bearing 38 of shell is provided with fastening
Hole, the corresponding medial surface for being threadedly connected to fastening through-hole, and being pierced by shell 37 of fastening screw 36 support the outside of rolling bearing 38
Face.Specifically, rolling bearing 38 to be sheathed on to the both ends of rotation axis 35, rolling bearing 38 can be 38 turns relative to rolling bearing
It is dynamic, the inner cavity of shell 37 will be fixedly arranged on by fastening screw 36, stablizes installation rolling bearing 38, guarantee subsequent adjustment it is effective into
Row.
Specifically, protrusion is provided with mark part above adjusting block, shell includes that lid and bottom shell, upper cover offer item above
Shape transparent window, transparent window are set to the surface of mark part.Readable scale is set by the edge in transparent window, i.e.,
The position of adjusting block can be understood in real time, while further determine current regulating degree.
Specifically, elastic component 33 is spring or elastic strip, elastic component 33 is used for for providing a dynamic elastic force
When stylus dipping and heaving, dynamic adjusts needle pressure.In the present embodiment, elastic component 33 is spring.
With reference to Fig. 1 and 2, clump weight includes clump weight 21 and side clump weight 22 after setting, and rear clump weight 21 is arranged in tail arm
10, for balancing the gravity of pickup 50 in the longitudinal direction, side clump weight 22 is set to 10 side of tail arm, side clump weight 22 and sings
First 50 are respectively arranged at the two sides of tail arm 10, and side clump weight is for balancing gravity of the pickup 50 in 10 side direction of tail arm.Counterweight
Block makes forearm 40 and tail arm 10 keep balancing, and applies pressure by 30 forward arm 40 of dynamic balance adjustment mechanism, reaches pickup 50
Required value.
A kind of dynamic equilibrium tone arm of the utility model further includes preceding fixed mechanism, and preceding fixed mechanism includes being set to fixed base
Plate 63 is provided with the front limit part 61 for limiting forearm 40 in fixed substrate 63.Preceding fixed mechanism is used for when in use to preceding
Arm 40 is limited, and guarantees stability when using.
With reference to Fig. 4, pedestal 80 includes hollow pilum and rotary shaft 82, and the inner cavity of pilum is provided with lateral rotation
Swivel bearing 81,82 top of rotary shaft connect dynamic balance adjustment mechanism 30, and bottom end axis is connected to swivel bearing 81, and rotary shaft 82 rotates
It drives dynamic balance adjustment mechanism 30 to rotate, further realizes the rotation of tone arm.
This programme makes forearm 40 and tail arm 10 keep balancing by clump weight, then passes through 30 forward arm of dynamic balance adjustment mechanism
40 apply pressure, reach the required value of 50 needle pressure of pickup；By dynamic balance adjustment mechanism 30 come the lower oblique angle of dynamic regulation arm pipe
Degree, so the pickup 50 of 40 front end of dynamic regulation forearm needle press size, guarantee stylus using when vibrate up and down can or can not cause
The variation of needle pressure is not in stylus unstable working condition when working as black glue has deformation or phonograph to place unhorizontal, and
The problem of causing sound to deteriorate.
Another embodiment of the utility model also proposes a kind of gramophone, including rubber mat, and as above dynamic described in embodiment
State balances tone arm.
The gramophone of this programme makes forearm 40 and tail arm 10 keep balancing by clump weight, then passes through dynamic balance adjustment mechanism
30 forward arm 40 apply pressure, reach the required value of 50 needle pressure of pickup；By dynamic balance adjustment mechanism 30 come dynamic regulation arm pipe
Lower rake angle, and then the pickup 50 of 40 front end of dynamic regulation forearm needle press size, guarantee stylus use when vibrate up and down meeting
The variation that not will cause needle pressure, when black glue has deformation or phonograph to place unhorizontal, be not in stylus working condition not
The problem of stablizing, and sound caused to deteriorate.
The above is only the preferred embodiment of the present invention, and therefore it does not limit the scope of the patent of the utility model,
Equivalent structure or equivalent flow shift made by using the description of the utility model and the drawings, is directly or indirectly transported
Used in other related technical areas, it is also included in the patent protection scope of the utility model.
Claims (10)
1. a kind of dynamic equilibrium tone arm, which is characterized in that including pedestal, and the dynamic balance adjustment mechanism being set on pedestal, and
It is arranged in the arm pipe of dynamic balance adjustment mechanism, the arm pipe includes the forearm of tail arm and arc-shaped bend, and the front end of the forearm is set
It is equipped with pickup, the clump weight for balancing pickup gravity is provided in the tail arm, the dynamic balance adjustment machine is for dynamically adjusting
The lower rake angle of joint arm pipe.
2. dynamic equilibrium tone arm as described in claim 1, which is characterized in that the dynamic balance adjustment mechanism includes shell, is adjusted
Screw, adjusting block, elastic component, connector are saved, and is set in shell and can be with respect to the rotation axis of housing into rotation, rotation axis
Both ends are rotationally connected with the inner sidewall of the shell, and the tail arm and forearm are connected to the rotation axis, the connector setting
In the rotation axis outer surface, it is provided on the adjusting block and tapped through hole, the adjusting block is threadedly connected to the adjusting
On screw, described elastic component one end is connected to adjusting block, and the other end is connected to connector, and rotation adjusts screw adjustment adjusting block and exists
Adjust the position on screw, to adjust the elastic of elastic component, the lower rake angle of arm pipe described in dynamic regulation.
3. dynamic equilibrium tone arm as claimed in claim 2, which is characterized in that the rotation axis both ends are connected with rolling bearing,
The rolling bearing is connected to the side wall of the shell.
4. dynamic equilibrium tone arm as claimed in claim 3, which is characterized in that the dynamic balance adjustment mechanism includes fastening spiral shell
It follows closely, the side wall of rolling bearing described in the shell face is provided with fastening through-hole, and fastening screw correspondence is threadedly connected to described tight
Gu through-hole, and the medial surface for being pierced by the shell supports the lateral surface of the rolling bearing.
5. dynamic equilibrium tone arm as claimed in claim 2, which is characterized in that protrusion is provided with mark above the adjusting block
Portion, the shell offer stripe-like transparent form including lid and bottom shell, the upper cover above, and the transparent window is set to institute
State the surface of mark part.
6. dynamic equilibrium tone arm as claimed in claim 2, which is characterized in that the elastic component is spring or elastic strip.
7. dynamic equilibrium tone arm as described in claim 1, which is characterized in that the clump weight includes rear clump weight and side counterweight
Block, the rear clump weight is arranged in the tail arm, for balancing the gravity of the pickup in the longitudinal direction, the side clump weight
It is set to the tail arm side, the side clump weight and pickup are respectively arranged at the two sides of the tail arm, and the side clump weight is used
In gravity of the balance pickup in the tail arm side direction.
8. dynamic equilibrium tone arm as described in claim 1, which is characterized in that it further include preceding fixed mechanism, fixed machine before described
Structure includes the fixed substrate for being set to the pedestal, and the front limit part for limiting forearm is provided in the fixed substrate.
9. dynamic equilibrium tone arm as claimed in claim 1 or 8, which is characterized in that the pedestal includes hollow pilum, and
Rotary shaft, the inner cavity of the pilum are provided with the swivel bearing of lateral rotation, and the rotary shaft top connects the dynamic balancing tune
Mechanism is saved, bottom end axis is connected to the swivel bearing, and rotary shaft rotation drives the dynamic balance adjustment mechanism rotation.
10. a kind of gramophone, which is characterized in that including rubber mat, and as the described in any item dynamic equilibrium of claim 1-9 are sung
Arm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821897607.4U CN209056281U (en) | 2018-11-15 | 2018-11-15 | Dynamic equilibrium tone arm and gramophone |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821897607.4U CN209056281U (en) | 2018-11-15 | 2018-11-15 | Dynamic equilibrium tone arm and gramophone |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209056281U true CN209056281U (en) | 2019-07-02 |
Family
ID=67053737
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821897607.4U Active CN209056281U (en) | 2018-11-15 | 2018-11-15 | Dynamic equilibrium tone arm and gramophone |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209056281U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112133329A (en) * | 2020-10-14 | 2020-12-25 | 广东理丹电子科技股份有限公司 | Adjusting structure of sound arm support |
| CN115482840A (en) * | 2022-05-23 | 2022-12-16 | 深圳市博威电器有限公司 | Intelligent gramophone control device |
-
2018
- 2018-11-15 CN CN201821897607.4U patent/CN209056281U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112133329A (en) * | 2020-10-14 | 2020-12-25 | 广东理丹电子科技股份有限公司 | Adjusting structure of sound arm support |
| CN115482840A (en) * | 2022-05-23 | 2022-12-16 | 深圳市博威电器有限公司 | Intelligent gramophone control device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN209056281U (en) | Dynamic equilibrium tone arm and gramophone | |
| CN212156428U (en) | Computer camera rotary mechanism | |
| CN207931237U (en) | A kind of bend glass film sticking apparatus | |
| CN106060207A (en) | Handheld mobile terminal automatic cradle head | |
| CN209746971U (en) | OLED spliced display screen with adjustable inner and outer curvatures | |
| CN217928112U (en) | Rotating shaft connecting structure and flat plate support | |
| CN207475652U (en) | A kind of overturning-preventing handset bracket | |
| CN217639854U (en) | Flexible angle-adjustable anti-dazzle point light source | |
| CN209167974U (en) | A kind of computer host box protective shell | |
| CN210431513U (en) | Portrait identification chases after ware of shooing | |
| CN210979263U (en) | Novel administrative management record device | |
| CN209471572U (en) | A kind of computer and automated teaching multimedia regulating device | |
| CN206221942U (en) | A kind of equipment supporter structure and apply its equipment | |
| CN217814757U (en) | Education course preparation VR shooting device | |
| CN206975935U (en) | A kind of message board | |
| CN218378700U (en) | Projection equipment | |
| CN207123696U (en) | A kind of dynamic equilibrium head | |
| JP2009025777A (en) | Adjustable sketching apparatus for sketch frame | |
| CN221227573U (en) | Mobile phone cover with rear folding supporting structure | |
| CN220269015U (en) | Electronic display screen with adjustable angle | |
| CN211044186U (en) | Auxiliary file input device for computer office | |
| CN210950577U (en) | Projector convenient to projection angle adjusts | |
| CN209856969U (en) | Electronic torch | |
| CN210181873U (en) | English teaching vocabulary show board | |
| CN209851950U (en) | Easel for oil painting sketching |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP02 | Change in the address of a patent holder | ||
| CP02 | Change in the address of a patent holder |
Address after: 523000 one of No. 75, Lianfeng SANHENG Road, Dalingshan Town, Dongguan City, Guangdong Province Patentee after: DONGGUAN FANNISHI CULTURE TECHNOLOGY Co.,Ltd. Address before: 523000 Building 1, No. 410, Yanglang Road, Yangwu Village, Dalingshan Town, Dongguan City, Guangdong Province Patentee before: DONGGUAN FANNISHI CULTURE TECHNOLOGY Co.,Ltd. |