CN210245062U - Tone arm luffing motion strutting arrangement - Google Patents
Tone arm luffing motion strutting arrangement Download PDFInfo
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- CN210245062U CN210245062U CN201921517768.0U CN201921517768U CN210245062U CN 210245062 U CN210245062 U CN 210245062U CN 201921517768 U CN201921517768 U CN 201921517768U CN 210245062 U CN210245062 U CN 210245062U
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Abstract
The utility model provides a tone arm luffing motion strutting arrangement, including supporting vertical axis and carrier ring, still include: the first mounting groove and the second mounting groove are respectively arranged on two sides of the supporting vertical shaft; the first mounting through hole and the second mounting through hole are respectively arranged at two sides of the bearing ring; the first rotating shaft piece and the second rotating shaft piece are arranged in the first mounting groove and the second mounting groove respectively; the first locking screw penetrates through the first mounting through hole and abuts against the first rotating shaft piece, and the second locking screw penetrates through the second mounting through hole and abuts against the second rotating shaft piece. After being provided with first pivot spare, second pivot spare, first locking screw and second locking screw on supporting vertical axis and carrier ring, through mutually supporting of above-mentioned subassembly, just can realize the tone arm and realize the luffing motion function, can support the tone arm with comparatively simple structure and realize the luffing motion, be favorable to the miniaturized design of tone arm, simultaneously can also reduction in production cost.
Description
Technical Field
The utility model relates to a sound equipment technical field relates to a tone arm strutting arrangement, especially relates to a strutting arrangement for it is smooth and easy to guarantee tone arm luffing motion.
Background
For music fever riders, the tone quality played by the record player using the vinyl record is more flexible and live, and the music experience is incomparable with digital music playing equipment, so that the record player using the vinyl record cannot replace the record player using the vinyl record in the heart of the music fever riders even though the modern digital music playing equipment has various advantages.
The tone arm is an important part of a gramophone and functions to read analog signals of sounds recorded in a vinyl record by sliding a stylus at an end of the tone arm on a surface of the vinyl record. In the process of playing music by the electric gramophone, the gramophone needs to swing left and right and up and down; specifically, the tone arm switches positions between the cradle and the vinyl record by swinging left and right, and swinging up and down in the process enables the tone arm to approach or move away from the vinyl record, thereby enabling to start playing music or stop playing music.
Among the prior art, in order to make the tone arm can realize the luffing motion, need be provided with such as multiple subassemblies as axle sleeve and bearing on supporting vertical axis and bearing ring, the structure is too complicated, is unfavorable for the miniaturized design of tone arm, has increased the manufacturing cost of tone arm simultaneously.
Accordingly, the prior art is yet to be improved and developed.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model lies in, to the above-mentioned defect of prior art, provide a tone arm luffing motion strutting arrangement, can support the tone arm with comparatively simple structure and realize the luffing motion, be favorable to the miniaturized design of tone arm, can also reduction in production cost simultaneously.
The utility model provides a technical scheme that technical problem adopted as follows:
the utility model provides a tone arm luffing motion strutting arrangement, is including supporting vertical axis and bearing ring, still includes:
the first mounting groove and the second mounting groove are respectively arranged on two sides of the supporting vertical shaft;
the first mounting through hole and the second mounting through hole are respectively arranged on two sides of the bearing ring;
the first rotating shaft piece and the second rotating shaft piece are respectively arranged in the first mounting groove and the second mounting groove;
the first locking screw penetrates through the first mounting through hole and abuts against the first rotating shaft piece, and the second locking screw penetrates through the second mounting through hole and abuts against the second rotating shaft piece;
the bearing ring is sleeved outside the supporting vertical shaft, the tone arm is arranged on the bearing ring, and the tone arm swings up and down by taking a connecting line of the first locking screw and the second locking screw as a rotating shaft.
Compared with the prior art, the beneficial effects of the technical scheme are that: after the first rotating shaft piece, the second rotating shaft piece, the first locking screw and the second locking screw are arranged on the supporting vertical shaft and the bearing ring, the tone arm can be swung up and down through mutual matching of the first rotating shaft piece, the first locking screw, the second rotating shaft piece and the second locking screw. The end part of the tone arm is lifted upwards by a user holding the tone arm, and the tone arm swings upwards; the user holds the end of the tone arm and drives it downward, which swings the tone arm downward. Therefore, through the scheme, the tone arm can be supported by a simple structure to swing up and down, the miniaturization design of the tone arm is facilitated, and meanwhile, the production cost can be reduced.
Further, the first rotating shaft member includes a first bearing, and the second rotating shaft member includes a second bearing;
the first bearing and the second bearing respectively comprise an arc-shaped concave disc, an annular cover plate and a plurality of steel balls, the annular cover plate is fixedly arranged at an opening of the arc-shaped concave disc, a cavity track is formed between the annular cover plate and the arc-shaped concave disc, and the steel balls are tightly arranged at the cavity track;
the first locking screw and the second locking screw are pointed screws, the tip of the first locking screw abuts against the steel ball in the first bearing, and the tip of the second locking screw abuts against the steel ball in the second bearing.
The beneficial effect who adopts above-mentioned scheme is: the requirement on the concentricity of the first locking screw and the first bearing is reduced, the success rate of assembly can be improved, and the reliability of the tone arm can be ensured.
Further, the first rotating shaft element further comprises a first elastic sleeve, and the second rotating shaft element further comprises a second elastic sleeve;
the first bearing is sleeved on the first elastic sleeve and then integrally arranged in the first mounting groove, and the second bearing is sleeved on the second elastic sleeve and then integrally arranged in the second mounting groove.
The beneficial effect who adopts above-mentioned scheme is: the first elastic sleeve and the second elastic sleeve can play a certain concentricity correcting role, so that smooth operation of the tone arm is guaranteed.
Further, the first elastic sleeve and the second elastic sleeve are silica gel sleeves.
The beneficial effect who adopts above-mentioned scheme is: adopt the silica gel cover as first elastic sleeve and second elastic sleeve, have easily shaping and the low advantage of cost of manufacture.
Further, arc-shaped concave parts are arranged in the first elastic sleeve and the second elastic sleeve and are matched with the arc-shaped concave disc.
The beneficial effect who adopts above-mentioned scheme is: during installation, the first bearing can be just embedded into the arc-shaped concave part of the first elastic sleeve, and the second bearing can be just embedded into the arc-shaped concave part of the second elastic sleeve, so that the first bearing and the first elastic sleeve are matched with each other, the second bearing and the second elastic sleeve are matched with each other more tightly, and the tone arm can swing smoothly.
Further, the bearing ring is arranged at the upper end of the supporting vertical shaft, and the lower end of the supporting vertical shaft is fixedly arranged on the record player.
The beneficial effect who adopts above-mentioned scheme is: the structure of the record player is more reasonable.
Furthermore, an accommodating groove is formed in the upper end of the supporting vertical shaft and used for placing a tone arm.
The beneficial effect who adopts above-mentioned scheme is: can tentatively fix the tone arm through holding the recess, and need not to adopt extra fixed subassembly, consequently can make the fixed effect of tone arm better, can also simplify the structure simultaneously.
Furthermore, a third mounting through hole and a fourth mounting through hole are further formed in the bearing ring;
the first mounting through hole and the second mounting through hole are arranged oppositely, and the third mounting through hole and the fourth mounting through hole are arranged oppositely;
the tone arm is arranged on the bearing ring by being tightly sleeved in the third mounting through hole and the fourth mounting through hole.
The beneficial effect who adopts above-mentioned scheme is: install the tone arm on the carrier ring through third installation through-hole and fourth installation through-hole for fixed connection between tone arm and the carrier ring guarantees that the tone arm can realize the luffing motion along with the carrier ring motion.
Furthermore, nuts are respectively arranged on the first locking screw and the second locking screw, and anti-skid stripes are arranged outside the nuts.
The beneficial effect who adopts above-mentioned scheme is: the installation is directly carried out to the operating personnel of being convenient for, need not rely on other instruments, has easy to assemble's advantage.
Furthermore, the outer ends of the first mounting through hole and the second mounting through hole are respectively provided with a countersunk hole, and the countersunk holes are used for accommodating nuts on the first locking screw and the second locking screw.
The beneficial effect who adopts above-mentioned scheme is: after the first locking screw and the second locking screw are installed, the first locking screw and the second locking screw are almost embedded into the countersunk holes, and the first locking screw and the second locking screw are prevented from being exposed to influence the structural integrity of the tone arm.
Drawings
Fig. 1 is an overall schematic view of a tone arm up-and-down swing supporting device of the present invention.
Fig. 2 is an exploded view of a tone arm up-and-down swing supporting device of the present invention.
Fig. 3 is an exploded view of the first and second shaft members of the tone arm up-and-down swing supporting apparatus of the present invention.
Fig. 4 is a schematic view of a first shaft member and a first locking screw of the tone arm up-and-down swing supporting apparatus of the present invention.
Fig. 5 is a side view illustrating the assembly of the first shaft member and the first locking screw in the upward and downward swinging supporting device of the tone arm according to the present invention.
In the figures, the list of components represented by the various reference numbers is as follows:
the bearing device comprises a supporting vertical shaft 1, a bearing ring 2, a first rotating shaft part 3, a second rotating shaft part 4, a first locking screw 5, a second locking screw 6, an arc concave disc 7, an annular cover plate 8 and steel balls 9;
a first mounting groove 11, a second mounting groove 12, an accommodating groove 13;
a first mounting through hole 21, a second mounting through hole 22, a third mounting through hole 23, a fourth mounting through hole 24, a tone arm 25, and a top cover 26;
a first bearing 31, a first elastic sleeve 32;
a second bearing 41, a second elastic sleeve 42.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention clearer and clearer, the present invention will be described in further detail below with reference to the accompanying drawings and examples. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
In the description of the present invention, it should be understood that the terms "center", "upper", "lower", "front", "rear", "left", "right", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or assembly referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may for example be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; the two components can be directly connected or indirectly connected through an intermediate medium, and the two components can be communicated with each other. When an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or intervening elements may also be present. When a component is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The specific meaning of the above terms in the present invention can be understood in specific cases for those skilled in the art.
The utility model provides a tone arm luffing motion strutting arrangement, is including supporting vertical axis 1 and carrier ring 2, specifically, in order to make the structure of record player more reasonable, carrier ring 2 set up in support the upper end of vertical axis 1, the lower extreme of supporting vertical axis 1 is fixed to be set up in the record player.
Referring to fig. 1 and 2, in the present invention, in addition to supporting the vertical shaft 1 and the carrier ring 2, a tone arm up-and-down swing supporting apparatus further includes:
the first mounting groove 11 and the second mounting groove 12 are respectively arranged at two sides of the supporting vertical shaft 1;
the bearing ring comprises a first mounting through hole 21 and a second mounting through hole 22, wherein the first mounting through hole 21 and the second mounting through hole 22 are respectively arranged on two sides of the bearing ring 2;
the first rotating shaft member 3 and the second rotating shaft member 4 are respectively arranged in the first mounting groove 11 and the second mounting groove 12;
the first locking screw 5 is arranged in the first mounting through hole 21 in a penetrating manner and abuts against the first rotating shaft piece 3, and the second locking screw 6 is arranged in the second mounting through hole 22 in a penetrating manner and abuts against the second rotating shaft piece 4;
the bearing ring 2 is sleeved outside the supporting vertical shaft 1, the tone arm 25 is arranged on the bearing ring 2, and the tone arm 25 swings up and down by taking a connecting line of the first locking screw 5 and the second locking screw 6 as a rotating shaft.
During assembly, install first pivot piece 3 and second pivot piece 4 respectively in first mounting groove 11 and second mounting groove 12 earlier, locate support vertical axis 1 with bearing ring 2 cover again outside, then install first locking screw 5 and second locking screw 6 in first mounting hole 21 and second mounting hole 22 respectively for first locking screw 5 passes behind first mounting hole 21 butt in first pivot piece 3, and make second locking screw 6 wear to locate behind the second mounting hole 22 butt in second pivot piece 4.
When the turntable arm is used, the first locking screw 5 penetrates through the first mounting through hole 21 and abuts against the first rotating shaft piece 3, the second locking screw 6 penetrates through the second mounting through hole 22 and abuts against the second rotating shaft piece 4, a rotating shaft is formed between the first locking screw 5 and the second locking screw 6, and the turntable arm can swing up and down by taking the rotating shaft as a central axis.
Through the technical scheme, after the first rotating shaft piece 3, the second rotating shaft piece 4, the first locking screw 5 and the second locking screw 6 are arranged on the supporting vertical shaft 1 and the bearing ring 2, the tone arm can be swung up and down through the mutual matching of the first rotating shaft piece 3, the first locking screw 5, the second rotating shaft piece 4 and the second locking screw 6. The end part of the tone arm is lifted upwards by a user holding the tone arm, and the tone arm swings upwards; the user holds the end of the tone arm and moves it downward, and the tone arm swings downward. Therefore, through the scheme, the tone arm can be supported by a simple structure to swing up and down, the miniaturization design of the tone arm is facilitated, and meanwhile, the production cost can be reduced.
The prior art bearing generally comprises an inner ring, an outer ring and steel balls arranged between the inner ring and the outer ring. When a bearing in the prior art is applied to a gramophone to realize the up-and-down swing of a tone arm, the general structure is as follows: the outer ring of the bearing is directly or indirectly tightly matched with the tone arm, and then the inner ring of the bearing is fixed through a fixing device such as a bolt, so that the up-and-down swinging function of the tone arm can be realized. However, the concentricity between the bolt and the bearing is required to be very high in the arrangement mode, and the bolt and the bearing are not concentric due to carelessness in the assembling process, so that the fluency of the tone arm in the up-and-down swinging process is greatly influenced, and the tone arm is damaged in a long time.
As shown in fig. 2 and 3, in order to solve the above problem, the present invention provides an innovative improvement to the shaft assembly and the locking screw, specifically, the first rotating shaft member 3 includes a first bearing 31, and the second rotating shaft member 4 includes a second bearing 41.
The structure of the first bearing 31 is completely the same as that of the second bearing 41, the first bearing 31 and the second bearing 41 both comprise an arc-shaped concave disc 7, an annular cover plate 8 and a plurality of steel balls 9, the annular cover plate 8 is fixedly arranged at the opening of the arc-shaped concave disc 7, a cavity track is formed between the annular cover plate 8 and the arc-shaped concave disc 7, and the steel balls 9 are tightly arranged at the cavity track. Correspondingly, the first locking screw 5 and the second locking screw 6 are pointed screws, the tip of the first locking screw 5 abuts against the steel ball 9 in the first bearing 31, and the tip of the second locking screw 6 abuts against the steel ball 9 in the second bearing 41.
In the utility model, the largest improvement point of the first bearing 31 and the second bearing 41 is to omit the inner ring in the prior art, and a plurality of steel balls 9 are arranged between the arc concave disc 7 and the annular cover plate 8; in addition, the first locking screw 5 and the second locking screw 6 are tip screws, the tip of the first locking screw 5 abuts against the steel ball 9 in the first bearing 31, and the tip of the second locking screw 6 abuts against the steel ball 9 in the second bearing 41.
With reference to fig. 4 and 5, the working principle of the present invention is described by taking the first rotating shaft member 3 and the first locking screw 5 as an example: on one hand, the tip of the first locking screw 5 abuts against the steel ball 9 in the first bearing 31, and the steel ball 9 can roll in the cavity track between the arc concave disc 7 and the annular cover plate 8; on the other hand, the arc concave disk 7 is tightly matched with the bearing ring 2, and the tone arm is fixedly arranged on the bearing ring 2. In the process of the vertical swing of the tone arm, the bearing ring 2 moves along with the tone arm, the arc-shaped concave disc 7 moves relative to the steel balls 9, and the tip of the first locking screw 5 abuts against the steel balls 9 in the first bearing 31, so that the tone arm can swing vertically by taking the first locking screw 5 as a middle shaft. First locking screw 5 only needs steel ball 9 in its tip butt first bearing 31, alright make the tone arm can the luffing motion, just so greatly reduced to the requirement of first locking screw 5 and first bearing 31 concentricity this moment, not only can improve the success rate of equipment, can also guarantee the reliability of tone arm.
As shown in fig. 2 and 3, preferably, the first rotating shaft member 3 further includes a first elastic sleeve 32, and the second rotating shaft member 4 further includes a second elastic sleeve 42; the first bearing 31 is sleeved on the first elastic sleeve 32 and then integrally disposed in the first mounting groove 11, and the second bearing 41 is sleeved on the second elastic sleeve 42 and then integrally disposed in the second mounting groove 12.
During the process of installing the first locking screw 5 and the second locking screw 6, the first locking screw 5 and the second locking screw 6 will gradually press the first bearing 31 and the second bearing 41, and at this time, even if some deviation occurs in the concentricity between the first locking screw 5 and the first bearing 31 or between the second locking screw 6 and the second bearing 41, proper correction will be performed through the elastic deformation of the first elastic sleeve 32 and the second elastic sleeve 42, so as to ensure the smooth operation of the tone arm. The process of correction can be understood as adjusting the concentricity between the first locking screw 5 and the first bearing 31 or between the second locking screw 6 and the second bearing 41 step by elastic deformation.
Specifically, the first elastic sleeve 32 and the second elastic sleeve 42 are silicone sleeves. The silica gel sleeve is used as the first elastic sleeve 32 and the second elastic sleeve 42, so that the advantages of easiness in molding and low manufacturing cost are achieved.
Preferably, the first elastic sleeve 32 and the second elastic sleeve 42 are provided with arc-shaped concave portions, and the arc-shaped concave portions are matched with the arc-shaped concave disk 7. Through being provided with in first elastic sleeve 32 and second elastic sleeve 42 with the curved concave part of curved concave dish 7 shape size phase-match, during the installation, first bearing 31 just can inlay in the curved concave part of first elastic sleeve 32, second bearing 41 just can inlay in the curved concave part of second elastic sleeve 42 for the cooperation between first bearing 31 and the first elastic sleeve 32, between second bearing 41 and the second elastic sleeve 42 is inseparabler, is favorable to the swing of tone arm to be smooth and easy.
As shown in fig. 2, it is preferable that the upper end of the support shaft 1 is provided with a receiving groove 13, and the receiving groove 13 is used for placing a tone arm. During installation, the tone arm is fixedly arranged on the bearing ring 2, the part of the tone arm in the bearing ring 2 is sleeved with the expansion accommodating groove 13, and finally the first locking screw 5 and the second locking screw 6 are installed. As a result, the tone arm can be preliminarily fixed through the receiving groove 13 without using an additional fixing member, so that the tone arm can be fixed more effectively while simplifying the structure.
As shown in fig. 2, the bearing ring 2 is further provided with a third mounting through hole 23 and a fourth mounting through hole 24; the first mounting through hole 21 and the second mounting through hole 22 are oppositely arranged, and the third mounting through hole 23 and the fourth mounting through hole 24 are oppositely arranged; the tone arm is disposed on the carrier ring 2 by being closely fitted into the third mounting through hole 23 and the fourth mounting through hole 24. The tone arm is fixedly arranged on the bearing ring 2 through the third mounting through hole 23 and the fourth mounting through hole 24, so that when the bearing ring 2 rotates by taking a connecting line of the first locking screw 5 and the second locking screw 6 as a rotating shaft, the tone arm can move along with the bearing ring 2, and the up-and-down swing is realized.
As shown in fig. 3 and 4, preferably, nuts are respectively disposed on the first locking screw 5 and the second locking screw 6, and anti-slip stripes are disposed outside the nuts. The anti-slip stripes have the advantages of increasing friction force, facilitating direct installation of operators, avoiding the need of other tools and facilitating installation.
More preferably, the outer ends of the first and second mounting through holes 21 and 22 are further provided with countersunk holes for receiving nuts on the first and second locking screws 5 and 6, respectively. After the first locking screw 5 and the second locking screw 6 are installed, the first locking screw 5 and the second locking screw 6 are almost embedded into the countersunk holes, and the first locking screw 5 and the second locking screw 6 are prevented from being exposed to influence the structural integrity of the tone arm.
Preferably, a top cover 26 for dust prevention is further provided on the bearing ring 2.
To sum up, the utility model provides a tone arm luffing motion strutting arrangement, including supporting vertical axis 1 and carrier ring 2, still include: the first mounting groove 11 and the second mounting groove 12 are respectively arranged at two sides of the supporting vertical shaft 1; the bearing ring comprises a first mounting through hole 21 and a second mounting through hole 22, wherein the first mounting through hole 21 and the second mounting through hole 22 are respectively arranged on two sides of the bearing ring 2; the first rotating shaft member 3 and the second rotating shaft member 4 are respectively arranged in the first mounting groove 11 and the second mounting groove 12; the first locking screw 5 is arranged in the first mounting through hole 21 in a penetrating manner and abuts against the first rotating shaft piece 3, and the second locking screw 6 is arranged in the second mounting through hole 22 in a penetrating manner and abuts against the second rotating shaft piece 4; the bearing ring 2 is sleeved outside the supporting vertical shaft 1, the tone arm is arranged on the bearing ring 2, and the tone arm swings up and down by taking a connecting line of the first locking screw 5 and the second locking screw 6 as a rotating shaft. After the first rotating shaft piece 3, the second rotating shaft piece 4, the first locking screw 5 and the second locking screw 6 are arranged on the supporting vertical shaft 1 and the bearing ring 2, the tone arm can be swung up and down through mutual matching of the first rotating shaft piece 3, the first locking screw 5, the second rotating shaft piece 4 and the second locking screw 6. The end part of the tone arm is lifted upwards by a user holding the tone arm, and the tone arm swings upwards; the user holds the end of the tone arm and drives it downward, which swings the tone arm downward. Therefore, through the scheme, the tone arm can be supported by a simple structure to swing up and down, the miniaturization design of the tone arm is facilitated, and meanwhile, the production cost can be reduced.
It is to be understood that the invention is not limited to the above-described embodiments, and that modifications and variations may be made by those skilled in the art in light of the above teachings, and all such modifications and variations are intended to be included within the scope of the invention as defined in the appended claims.
Claims (10)
1. The utility model provides a tone arm luffing motion strutting arrangement, is including supporting vertical axis and bearing ring, its characterized in that still includes:
the first mounting groove and the second mounting groove are respectively arranged on two sides of the supporting vertical shaft;
the first mounting through hole and the second mounting through hole are respectively arranged on two sides of the bearing ring;
the first rotating shaft piece and the second rotating shaft piece are respectively arranged in the first mounting groove and the second mounting groove;
the first locking screw penetrates through the first mounting through hole and abuts against the first rotating shaft piece, and the second locking screw penetrates through the second mounting through hole and abuts against the second rotating shaft piece;
the bearing ring is sleeved outside the supporting vertical shaft, the tone arm is arranged on the bearing ring, and the tone arm swings up and down by taking a connecting line of the first locking screw and the second locking screw as a rotating shaft.
2. A tone arm up-and-down rocking support device as claimed in claim 1, wherein: the first rotating shaft member includes a first bearing and the second rotating shaft member includes a second bearing;
the first bearing and the second bearing respectively comprise an arc-shaped concave disc, an annular cover plate and a plurality of steel balls, the annular cover plate is fixedly arranged at an opening of the arc-shaped concave disc, a cavity track is formed between the annular cover plate and the arc-shaped concave disc, and the steel balls are tightly arranged at the cavity track;
the first locking screw and the second locking screw are pointed screws, the tip of the first locking screw abuts against the steel ball in the first bearing, and the tip of the second locking screw abuts against the steel ball in the second bearing.
3. A tone arm up-and-down rocking support device as claimed in claim 2, wherein: the first rotating shaft piece further comprises a first elastic sleeve, and the second rotating shaft piece further comprises a second elastic sleeve;
the first bearing is sleeved on the first elastic sleeve and then integrally arranged in the first mounting groove, and the second bearing is sleeved on the second elastic sleeve and then integrally arranged in the second mounting groove.
4. A tone arm up-and-down rocking support device as claimed in claim 3, wherein: the first elastic sleeve and the second elastic sleeve are silica gel sleeves.
5. A tone arm up-and-down rocking support device as claimed in claim 3, wherein: and arc-shaped concave parts are arranged in the first elastic sleeve and the second elastic sleeve and are matched with the arc-shaped concave disc.
6. A tone arm up-and-down rocking support device as claimed in claim 1, wherein: the bearing ring is arranged at the upper end of the supporting vertical shaft, and the lower end of the supporting vertical shaft is fixedly arranged on the electric gramophone.
7. A tone arm up-and-down rocking support device as claimed in claim 1, wherein: the upper end of the supporting vertical shaft is provided with an accommodating groove, and the accommodating groove is used for placing a tone arm.
8. A tone arm up-and-down rocking support device as claimed in claim 1, wherein: the bearing ring is also provided with a third mounting through hole and a fourth mounting through hole;
the first mounting through hole and the second mounting through hole are arranged oppositely, and the third mounting through hole and the fourth mounting through hole are arranged oppositely;
the tone arm is arranged on the bearing ring by being tightly sleeved in the third mounting through hole and the fourth mounting through hole.
9. A tone arm up-down swing support apparatus according to any one of claims 1 to 8, wherein: and nuts are respectively arranged on the first locking screw and the second locking screw, and anti-skid stripes are arranged outside the nuts.
10. A tone arm up-and-down swing support apparatus as claimed in claim 9, wherein: the outer ends of the first mounting through hole and the second mounting through hole are respectively provided with a countersunk hole, and the countersunk holes are used for accommodating nuts on the first locking screw and the second locking screw.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921517768.0U CN210245062U (en) | 2019-09-11 | 2019-09-11 | Tone arm luffing motion strutting arrangement |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921517768.0U CN210245062U (en) | 2019-09-11 | 2019-09-11 | Tone arm luffing motion strutting arrangement |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210245062U true CN210245062U (en) | 2020-04-03 |
Family
ID=69966537
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921517768.0U Active CN210245062U (en) | 2019-09-11 | 2019-09-11 | Tone arm luffing motion strutting arrangement |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210245062U (en) |
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2019
- 2019-09-11 CN CN201921517768.0U patent/CN210245062U/en active Active
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