Worm type singing arm of disc player
By designing an adjustable tonearm structure, the problem of fixed tonearm length was solved, enabling convenient length adjustment and a wider range of applications, while reducing replacement costs and inconvenience in use.
Patent Information
- Application Number
- CN202423023178.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-09
- Publication Date
- 2025-12-19
- Estimated Expiration
- 2034-12-09
AI Technical Summary
The existing nest-shaped tonearms have a fixed length and cannot be easily adjusted, which leads to the need to frequently replace tonearms of different lengths, increasing the cost and inconvenience of use.
A tonearm structure including an upper arm and a lower arm was designed. The length can be flexibly adjusted by components such as plug rods, connecting blocks, positioning blocks and screws, and the length can be fixed by clamping structure and positioning structure.
It enables flexible adjustment of tonearm length, has a wider range of applications, reduces the frequency and cost of tonearm replacement, and improves ease of use.
Smart Images
Figure CN223692905U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to a nest type tone arm field, concretely relates to a record player snail type tone arm. BACKGROUND
[0002] The record player is an electric device for broadcasting record playing; it was invented by American inventor Edison in 1877.
[0003] The record player is generally provided with a nest type tone arm, and the nest type tone arm is contacted with a disc on the record player to emit wonderful music; the length of the existing nest type tone arm structure is generally fixed, so that due to the change of the disc size, the staff needs to replace different nest type tone arms to play the disc; the frequent replacement of the nest type tone arm increases the cost of using the record player, and the use of the record player is inconvenient, therefore, a more perfect nest type tone arm is needed to solve the above-mentioned problems. UTILITY MODEL CONTENTS
[0004] In view of the above-mentioned problems of the existing screening vibration type rapid drying equipment for feed production, the utility model is provided.
[0005] Therefore, the utility model aims at providing a record player snail type tone arm, which solves the problem that the existing nest type tone arm cannot be conveniently adjusted in length.
[0006] In order to achieve the above-mentioned purpose, the utility model provides the following technical scheme:
[0007] A record player snail type tone arm, which comprises an upper arm and a lower arm, the bottom surface of the upper arm is fixedly connected with a inserting rod, the top surface of the lower arm is provided with an inserting groove matched with the inserting rod, the two sides of the upper arm are fixedly connected with positioning blocks, the two sides of the lower arm are rotatably inserted with connecting blocks, the connecting blocks are fixedly sleeved with positioning rods, the top surface of the positioning block is provided with a first groove, the positioning rod can be inserted into the first groove from top to bottom, the first groove is provided with a clamping structure for assisting the clamping of the positioning rod, the inside of the positioning block is provided with an empty groove, and the empty groove is provided with a positioning structure for positioning the clamping structure; the positioning structure can prevent the positioning rod from moving in the clamping structure.
[0008] Preferably, the clamping structure comprises a second groove, a telescopic rod, a spring and a trapezoidal clamping plate, the second groove is symmetrically arranged on the inner wall of the first groove, the telescopic rod is installed in the second groove, the trapezoidal clamping plate is fixedly connected to the end of the telescopic rod, and the spring is movably sleeved on the surface of the telescopic rod.
[0009] Preferably, the side of the trapezoidal clamping plate close to each other is provided with an arc-shaped groove, and the trapezoidal clamping plate is located outside the second groove without external force.
[0010] Preferably, the positioning structure comprises a sliding groove, an extrusion plate and a bidirectional screw rod, the sliding groove is two and symmetrically arranged on the inner wall bottom of the first groove, and the sliding groove and the hollow groove are communicated with each other, the bidirectional screw rod is inserted through the side of the positioning block, one end of the bidirectional screw rod is rotatably inserted into the inner wall of the hollow groove, the extrusion plate is two and slidably inserted into the two sliding grooves, and the bottom of the two extrusion plates is threadedly sleeved on the two threaded grooves of the bidirectional screw rod, and the two trapezoidal clamping plates are located between the two extrusion plates.
[0011] Preferably, the first groove is fixed with a pad on the inner wall bottom between the two sliding grooves.
[0012] Preferably, the inner wall of the insertion groove is provided with a limiting groove on both sides, and the insertion rod is fixed with a limiting block in the limiting groove.
[0013] Preferably, the bidirectional screw rod is fixed with a handle on one end outside the positioning block.
[0014] In the above technical scheme, the technical effects and advantages of the utility model are provided:
[0015] The utility model discloses a positioning rod is inserted into the first groove through the rotation of the connecting block, and the two trapezoidal clamping plates in the first groove move to the second groove, so that the length between the upper arm and the lower arm is temporarily stabilized, and then the bidirectional screw rod in the positioning block is twisted, the two extrusion plates are close to each other, the position of the two trapezoidal clamping plates is fixed, the position of the extrusion plate does not shift when the bidirectional screw rod stops rotating due to the self-locking property of the thread, and the trapezoidal clamping plate fixes the positioning rod between the positioning blocks, so that the length between the upper arm and the lower arm is fixed. BRIEF DESCRIPTION OF DRAWINGS
[0016] In order to more clearly illustrate the technical scheme in the embodiments or prior art, the drawings needed in the embodiments will be briefly introduced below, and obviously, the drawings in the following description are only some embodiments in the utility model, and other drawings can be obtained by those skilled in the art according to these drawings.
[0017] Figure 1 It is the structure schematic view of the utility model arm overall from the top;
[0018] Figure 2 It is the sectional structure schematic view of the utility model positioning block from the bottom.
[0019] Figure 3 The first recess overhead sectional structure schematic view of the utility model is shown in the figure.
[0020] Figure 4 The utility model discloses Figure 1 The structure schematic view of A amplification in the middle.
[0021] Mark explanation:
[0022] 1, upper arm, 2, lower arm, 3, slot, 4, plug rod, 5, link block, 6, positioning rod, 7, positioning block, 8, first recess, 9, second recess, 10, telescopic rod, 11, spring, 12, trapezoidal clamping plate, 13, cushion block, 14, hollow groove, 15, two-way screw rod, 16, handle, 17, extrusion plate, 18, sliding groove, 19, limiting groove, 20, limiting block. Specific implementation
[0023] In order to make the technical personnel of the prior art better understand the technical scheme of the utility model, the utility model will be further introduced in detail below with the accompanying drawings.
[0024] The utility model provides a kind of phonograph worm type playing arm, as Figures 1-4 Shown in the figure, including upper arm 1 and lower arm 2, the bottom surface of upper arm 1 is fixedly connected with plug rod 4, the top surface of lower arm 2 is provided with the slot 3 matched with plug rod 4, the both sides of upper arm 1 are fixedly connected with positioning block 7, the both sides of lower arm 2 are rotatably inserted with link block 5, link block 5 is fixedly sleeved with positioning rod 6, the top surface of positioning block 7 is provided with first recess 8, positioning rod 6 can be inserted into first recess 8 from top to bottom, first recess 8 is provided with clamping structure for assisting the clamping of positioning rod 6, the inside of positioning block 7 is provided with hollow groove 14, and the inside of hollow groove 14 is provided with positioning structure for positioning clamping structure, and positioning rod 6 can not move in clamping structure by positioning structure.
[0025] By setting upper arm 1 and lower arm 2, and flexible adjusting structure is arranged between upper arm 1 and lower arm 2, so that the distance between upper arm 1 and lower arm 2 can be flexibly adjusted.
[0026] In order to enable clamping structure to be able to assist the clamping structure of positioning rod 6, as Figure 2 Shown, clamping structure includes second recess 9, telescopic rod 10, spring 11 and trapezoidal clamping plate 12, second recess 9 has two and is symmetrically provided on the inner wall of first recess 8 The both sides, telescopic rod 10 has two and is respectively installed in second recess 9, trapezoidal clamping plate 12 has two and is respectively fixedly connected on the end of two telescopic rod 10 close to each other, and spring 11 has two and is respectively movably sleeved on the surface of telescopic rod 10.
[0027] In order to make the two trapezoidal clamping plates 12 better clamping and fixing the positioning rod 6, as shown in Figure 2 The two trapezoidal clamping plates 12 are provided with arc-shaped grooves on the side close to each other, and the spring 11 is not under external force, and the trapezoidal clamping plate 12 is located outside the second groove 9.
[0028] In order to make the two trapezoidal clamping plates 12 not loose after clamping the positioning rod 6, as shown in Figure 2 And Figure 3 The positioning structure includes a sliding groove 18, an extrusion plate 17 and a bidirectional screw 15, the sliding groove 18 is provided with two left and right symmetrical sliding grooves on the inner wall bottom of the first groove 8, and the sliding groove 18 and the empty groove 14 are communicated with each other, the bidirectional screw 15 is inserted into the side of the positioning block 7, and one end of the bidirectional screw 15 is rotatably inserted into the inner wall of the empty groove 14, the extrusion plate 17 is provided with two extrusion plates 17 which are respectively inserted into the two sliding grooves 18, and the bottoms of the two extrusion plates 17 are respectively threaded on the two threaded grooves of the bidirectional screw 15, and the two trapezoidal clamping plates 12 are located between the two extrusion plates 17.
[0029] In order to make the positioning rod 6 stably located between the two trapezoidal clamping plates 12, as shown in Figure 2 The first groove 8 is provided with a pad 13 on the inner wall bottom between the two sliding grooves 18.
[0030] In order to make the plug rod 4 and the plug groove 3 not dislocated, as shown in Figure 1 The inner wall of the plug groove 3 is provided with a limiting groove 19 on both sides, and the plug rod 4 is provided with a limiting block 20 on both sides.
[0031] In order to make the staff better twist the bidirectional screw 15, as shown in Figure 2 The bidirectional screw 15 is provided with a handle 16 on one end outside the positioning block 7.
[0032] Finally, in order to make the female type arm flexible to adjust its length, so that its application range is wider, as shown in Figures 1-4As shown, when the worker needs to adjust the length of the nest-shaped turntable, the worker can first take out the positioning rod 6 from the positioning block 7, then hold the upper arm 1 and pull down the lower arm 2, and after adjusting to the appropriate position, rotate the connecting block 5, the rotation of the connecting block 5 can make the positioning rod 6 inserted into the first groove 8, the two trapezoidal clamping plates 12 in the first groove 8 will move to the second groove 9, after the positioning rod 6 is clamped into the two trapezoidal clamping plates 12, the length between the upper arm 1 and the lower arm 2 at this time will be in a temporary stable state, then twist the two-way screw rod 15 in the positioning block 7 one by one, the two-way screw rod 15 will make the two pressing plates 17 close together, so as to fix the position of the two trapezoidal clamping plates 12, and because of the self-locking property of the thread, once the two-way screw rod 15 stops rotating, the position of the pressing plate 17 will not shift, at this time the trapezoidal clamping plate 12 will completely fix the positioning rod 6 between the positioning block 7, so as to fix the length between the upper arm 1 and the lower arm 2.
[0033] The above only describes some exemplary embodiments of the present application by way of illustration, without doubt, for ordinary skilled in the art, without departing from the spirit and scope of the present application, the described embodiments can be modified in various ways. Therefore, the above drawings and description are illustrative in nature and should not be construed as limiting the scope of protection of the present application.
Claims
1. A record player worm-type tone arm comprising an upper arm (1) and a lower arm (2), characterized in that: The bottom surface of the upper arm (1) is fixedly connected with an insertion rod (4), the top surface of the lower arm (2) is provided with an insertion slot (3) matched with the insertion rod (4), both sides of the upper arm (1) are fixedly connected with positioning blocks (7), both sides of the lower arm (2) are rotatably inserted with connecting blocks (5), the connecting blocks (5) are fixedly sleeved with positioning rods (6), the top surface of the positioning block (7) is provided with a first recess (8), the positioning rod (6) can be inserted into the first recess (8) from top to bottom, the first recess (8) is provided with a clamping structure for assisting clamping the positioning rod (6), the inside of the positioning block (7) is provided with a positioning structure for positioning the clamping structure, and the positioning rod (6) cannot move in the clamping structure through the positioning structure.
2. A record player snail-type tone arm as claimed in claim 1, characterized in that: The clamping structure comprises a second recess (9), a telescopic rod (10), a spring (11) and a trapezoidal clamping plate (12), the second recess (9) is provided on the inner wall of the first recess (8) and is symmetrical, the telescopic rod (10) is provided in the second recess (9), the trapezoidal clamping plate (12) is fixedly connected to one end of the telescopic rod (10), and the spring (11) is movably sleeved on the surface of the telescopic rod (10).
3. A record player snail-type tone arm as claimed in claim 2, characterized in that: Arc-shaped grooves are formed in the sides of the two trapezoidal clamping plates (12) that are close to each other, and the trapezoidal clamping plates (12) are located outside the second recess (9) when the spring (11) is not subjected to external force.
4. A record player snail-type tone arm as claimed in claim 2, characterized in that: The positioning structure comprises a sliding groove (18), an extrusion plate (17) and a bidirectional screw rod (15), the sliding groove (18) is provided on the bottom of the inner wall of the first recess (8) and is symmetrical, the sliding groove (18) and the hollow groove (14) are in communication, the bidirectional screw rod (15) penetrates the side of the positioning block (7), one end of the bidirectional screw rod (15) is rotatably inserted into the inner wall of the hollow groove (14), the extrusion plate (17) is slidably inserted into the sliding groove (18), and the bottom of the extrusion plate (17) is threadedly sleeved on the threaded groove of the bidirectional screw rod (15).
5. A record player snail-type tone arm as claimed in claim 4, characterized in that: The first recess (8) is fixedly connected with a pad (13) on the inner wall bottom between the two sliding grooves (18).
6. A record player snail-type tone arm as claimed in claim 1, characterized in that: Limiting grooves (19) are formed in the inner walls of the insertion slot (3), and limiting blocks (20) are fixedly connected to the limiting grooves (19).
7. A record player snail-type tone arm as claimed in claim 4, characterized in that: A handle (16) is fixedly connected to one end of the bidirectional screw rod (15) outside the positioning block (7).