Multi-purpose soldering wire holder capable of quick extension and locking

Abstract

The present application relates to a kind of multi-purpose soldering wire seat of quick telescopic locking, including base assembly and telescopic locking assembly: base assembly includes concave base, bearing is embedded in concave base, rotating tray is installed in the bearing above in concave base, center column is installed above rotating tray, and is fixedly connected with bearing rotating ring;Rotary stop lever is vertically fixed on the side of concave base upper along;Telescopic locking assembly includes telescopic locking pin and mandrel lock: telescopic locking pin is telescopically locked with the upper part of center column sleeve joint;Mandrel lock is sleeved with extension column and center column.The present application solves the problem of tin wire winding, when extracting tin wire, bearing rotates smoothly delicate, resistance is uniform in each direction, angle is not limited to open;Adopt vertical open structure, axial radial can be expanded, can be stacked and placed combination use of multiple sizes and multiple categories of wire reel, solve the problem of single use of existing soldering wire frame, and can be quickly telescopic locking and disassembly replacement.

Description

Technical Field

[0001] This invention relates to the field of electronic assembly welding, and specifically to a multi-purpose solder wire holder that can be quickly extended and locked. Background Technology

[0002] In the field of electronic assembly and soldering, many equipment components require manual assembly and soldering, necessitating a wide variety of wires and cables, such as solder wire, wrapped wire, high-temperature wire, shielded wire, wax tower wire for bundling, and various cable sheaths and heat shrink sleeves. These wires and sheaths are mostly packaged in I-beam spools, with varying inner and outer diameters and heights. Direct extraction is time-consuming, labor-intensive, and prone to tangling and bending. Currently, there is a lack of compatible wire extraction devices in this field. Furthermore, although solder wire holders exist, their use suffers from the following problems:

[0003] 1. The gaps between the baffles of the solder wire roll and the baffles on both sides of the solder wire holder, as well as between the core hole and the core, cause instability in both the axial and radial directions of the solder wire roll when pulling it out, resulting in wobbling and jerking, high pulling resistance, and easy tangling. The improved solder wire holder has a rotatable core fixing device, but the tighter the fixing device, the greater the rotational resistance, and the problem of the roll shaking when loosening. In addition, there are additional gaps between the fixing device and the baffles of the solder wire roll, and there are also gaps between the fixing device and the base, making it easier for the solder wire roll to tangle when loosening. The wire hole device commonly used to overcome tangling has high pulling resistance and is cumbersome, hindering use.

[0004] 2. Due to structural limitations, it is difficult to disassemble and assemble the solder wire coils, and it can only be used to hold solder wire coils. It cannot be expanded radially or extended axially, and it cannot be used to hold other types of wire coils. Its application range is limited, which wastes resources.

[0005] 3. Large size, light weight, high center of gravity, making it unstable when pulling out solder wire. Summary of the Invention

[0006] The purpose of this invention is to provide a multi-purpose solder wire holder that can be quickly extended and locked to solve the problems of existing solder wire holders, such as single use, tangling, eccentricity, and high resistance when pulling out the wire.

[0007] To achieve the above objectives, the present invention adopts the following technical solution: a multi-purpose solder wire holder with quick telescopic locking, comprising a base assembly and a telescopic locking assembly:

[0008] The base assembly includes a concave base, the outer ring of the upper surface of the concave base is provided with a horizontal annular top surface, the middle of the upper surface is concave, and the inner wall of the concave base is provided with a number of sets of annular stepped holes; a bearing is horizontally embedded in the stepped hole, the fixing ring of the bearing is fixedly connected to the base, and the bearing axis is perpendicular to the top surface of the concave base.

[0009] The rotating tray is installed in the stepped hole of the concave base, horizontally above the bearing and connected to the bearing's rotating ring. The outer diameter of the rotating tray is smaller than the inner diameter of the top surface of the concave base, and the height of the outermost edge of the lower surface of the rotating tray is not higher than the top surface of the concave base.

[0010] The central column is fixedly connected to the rotating tray and the bearing rotating ring, and the axis of the central column is perpendicular to the upper surface of the rotating tray.

[0011] The upper part of the rotating stop bar is provided with a wire holding hole, and a ring buckle is provided at the connection between the upper and lower parts. The upper part can rotate freely around the ring buckle axis. The lower part of the rotating stop bar is fixed vertically upward to the upper edge of the concave base by a loose and tight fixing device. When the fixing device is loose, the rotating stop bar can be laid down, and when laid down, it is not higher than the top surface of the concave base.

[0012] The telescopic locking assembly includes a telescopic locking pin and a spindle lock: the telescopic locking pin is telescopically and lockingly sleeved on the upper part of the central column; the spindle lock is sleeved on the telescopic locking pin or the central column;

[0013] The rotating tray, central column, telescopic locking pin, mandrel lock, and bearing are coaxial.

[0014] Furthermore, the rotating tray has a raised inner ring surface; the inner and outer ring surfaces are the lowest supporting surfaces of the rotating tray, and the lowest supporting surfaces are higher than the top surface of the concave base; the outer edge of the outer ring surface extends to connect with a downwardly inclined ring surface, and the outer edge of the inclined ring surface is at the same height as the top surface of the concave base.

[0015] Furthermore, the top surface of the central column is provided with an axial opening that matches the diameter and length of the telescopic locking pin, and the opening is coaxial with the central column; an annular anti-detachment groove is provided on the upper part of the inner wall of the opening.

[0016] Furthermore, the upper part of the telescopic locking pin is an extension column with the same outer diameter as the central column, and the lower part of the extension column is a telescopic locking pin, which is fixedly connected to the extension column. The telescopic locking pin has an axially oriented sliding hole that passes through the extension column and the telescopic locking pin. A pin that can slide axially is installed in the sliding hole, and a release button is fixedly connected to the top of the pin. The extension column has a cavity coaxial with the sliding hole. The diameter of the cavity is larger than that of the sliding hole. A locking spring that is sleeved with the pin is movably installed in the cavity. The diameter of the locking spring is larger than that of the sliding hole. The head of the release button extends out of the top surface of the extension column, and the tail has a step with a diameter larger than that of the sliding hole and smaller than that of the cavity. The upper surface of the step abuts against the top surface of the cavity. The upper end of the locking spring abuts against the lower surface of the release button step, and the lower end abuts against the bottom surface of the cavity.

[0017] The bottom of the telescopic locking pin has several radially evenly distributed positioning holes, in which steel balls are movably embedded. The outer surface diameter of the positioning hole is smaller than the diameter of the steel ball. The bottom of the pin shaft has a tapered slope, the bottom radius of which is the same as the pin shaft radius, and the top radius is smaller than the difference between the radius of the telescopic locking pin and the diameter of the steel ball.

[0018] Furthermore, the spindle lock has a ring-shaped unlocking handle at the top and an arc-shaped conical surface at the bottom; when the telescopic lock pin extends upwards out of the central column, the spindle lock is sleeved with the extension column; when the telescopic lock pin retracts downwards completely into the opening of the central column, the spindle lock is slidably sleeved with the extension column or the upper part of the central column.

[0019] The beneficial effects of this invention are:

[0020] 1. The tin wire coil is vertically locked and is coaxially locked and rotates synchronously with the central column, rotating tray, telescopic locking pin, and mandrel lock. The rotational resistance is independent of the locking force of the tin wire coil. The concave base and annular top surface protect the rotating tray from being squeezed. When the wire is pulled out, the bearing rotates smoothly and delicately, the rotational resistance is uniform in all directions, and the extraction angle is open and unrestricted.

[0021] 2. Placing the solder wire coil vertically can prevent the solder wire from winding upwards, and the rotating stop bar prevents the solder wire from slipping out of the base; the solder wire is smoothly pulled in a straight line along the lower stop surface, the outer ring surface of the tray, and the top surface of the concave base, and the annular gap is staggered, thereby eliminating winding;

[0022] 3. Open structure: It can be extended vertically and expanded horizontally, and can accommodate spools of different heights, inner diameters and outer diameters; it can also be used in combination with multiple types and sizes to achieve multiple uses for a single spool;

[0023] IV. The telescopic locking pin and spindle lock can be quickly disassembled, allowing for the rapid disassembly and replacement of various wire spools with one hand;

[0024] 5. The compact shape and low center of gravity ensure stable thread extraction. Attached Figure Description

[0025] To more clearly illustrate the embodiments of the present invention, the accompanying drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0026] Figure 1 Here is a schematic diagram of the structure of the present invention:

[0027] Figure 2 This is a schematic diagram of the internal structure of the present invention:

[0028] Figure 3for Figure 2 Schematic diagram of the telescopic locking assembly 2:

[0029] Figure 4 for Figure 3 A schematic diagram of the internal structure of the telescopic locking pin 3.

[0030] 1. Base assembly; 11. Concave base; 12. Bearing; 13. Rotating tray; 131. Middle ring surface; 132. Inner ring surface; 133. Outer ring surface; 134. Inclined ring surface; 14. Central column; 15. Column fastening screw; 16. Shoulder bushing; 17. Bearing pressure ring; 18. Anti-detachment groove; 19. Rotating stop bar; 2. Telescopic locking assembly; 3. Telescopic locking pin; 31. Extension column; 32. Telescopic locking pin; 33. Pin shaft; 34. Release button; 35. Locking spring; 36. Conical bevel; 37. Steel ball; 4. Core lock; 41. Unlocking handle; 42. Arc-shaped cone surface. Detailed Implementation

[0031] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the scope of protection of the present invention. In particular, the embodiments described below only describe the bearing inner ring as a rotating ring and the bearing outer ring as a fixed ring as preferred embodiments. Embodiments where the bearing outer ring is a rotating ring and the bearing inner ring is a fixed ring are omitted and not further described, but these embodiments are also within the scope of protection of the present invention.

[0032] See Figure 1 — Figure 4 As shown, the present invention is a multi-purpose solder wire holder that can be quickly extended and locked, mainly related to the field of electronic assembly soldering, which can solve problems such as solder wire entanglement, eccentricity, high resistance and single use of solder wire holder.

[0033] The present invention includes a base assembly 1 and a telescopic locking assembly 2:

[0034] The base assembly 1 includes a concave base 11. The outer ring of the upper surface of the concave base 11 has a horizontal annular top surface, and the middle of the upper surface is concave. The inner wall of the concave shape has several sets of annular stepped holes. The bearing 12 is horizontally embedded in the second-level stepped hole. The lower surface of the outer ring of the bearing is connected to the second-level step of the concave base 11, and the upper surface is provided with a bearing pressure ring 17 to fix the outer ring of the bearing to the concave base 11. The axis of the bearing 12 is perpendicular to the top surface of the base 11.

[0035] The rotating tray 13 is recessed and installed in the first step hole of the concave base 11, and is horizontally placed above the bearing 12 and connected to the inner ring of the bearing; the outer diameter of the rotating tray 13 is smaller than the inner diameter of the top surface of the concave base 11, and the height of the outermost edge of the lower surface of the rotating tray 13 is not higher than the top surface of the concave base 11.

[0036] The raised inner ring surface 131 of the rotating tray eliminates the gap between the rotating tray 13 and the inner and outer rings of the solder wire coil baffle caused by the raised structure, thereby increasing the contact area between the lower baffle of the solder wire coil and the rotating tray 13 and reducing slippage. The inner ring surface 132 and the outer ring surface 133 are the lowest support surfaces of the rotating tray. The lowest support surfaces are higher than the top surface of the concave base 11. When a wire coil larger than the outer diameter of the rotating tray 13 is placed, the lower baffle of the wire coil will not rub against or interfere with the top surface of the concave base 11.

[0037] The outer edge of the outer ring surface 133 extends to connect with a downward inclined ring surface 134. The outer edge of the inclined ring surface 134 is at the same height as the top surface of the concave base 11, so that the solder wire winding stop surface forms a smooth transition surface with the outer ring surface 133, the inclined ring surface 134 and the top surface of the concave base 11 of the rotating tray. The setting of the inclined ring surface 134 transforms the open upper and lower gap between the rotating tray 13 and the concave base 11 into a smooth and closed circular surface gap, which is offset from the movement trajectory of the solder wire, so that the solder wire will not fall in.

[0038] The advantage of the above arrangement is that the solder wire is smoothly and linearly pulled outward along the solder wire winding end, the outer ring surface 133, the inclined ring surface 134 and the top surface of the concave base 11, thus avoiding the annular gap between the rotating tray 13 and the concave base 11, thereby eliminating entanglement.

[0039] The top surface of the upper part of the central column 14 has an axial opening that matches the diameter and length of the telescopic locking pin. The opening is coaxial with the central column, and an annular anti-loosening groove 18 is provided on the upper end of the inner wall of the opening. The bottom surface of the lower part of the central column 14 has an axial screw hole that matches the column fastening screw 15. The outer diameter of the lower part of the central column 14 is smaller than the outer diameter of the upper part. There is a step at the junction of the upper and lower parts. The lower part of the central column passes vertically through the center hole of the rotating tray 13 and the shoulder bushing 16. The step abuts against the upper edge of the center hole of the rotating tray 13. The shoulder bushing 16 is fitted into the inner ring of the bearing. The shoulder of the bushing abuts against the lower surface of the inner ring of the bearing. The column fastening screw 15 passes through the center hole of the bushing 16. The nut abuts against the lower surface of the shoulder bushing 16. The screw is connected to the screw hole at the lower part of the central column 14, so that the central column 14, the rotating tray 13, and the inner ring of the bearing are fixedly connected as one unit, coaxial with the bearing, and can rotate synchronously without interfering with each other.

[0040] The upper part of the rotating stop 19 is provided with a wire holding hole, and a ring is provided at the connection between the upper and lower parts. The upper part can rotate freely around the ring axis. The wire holding hole can be used to insert solder wire, which is used to maintain the shape and position of the solder wire and to twist the direction of the solder wire as needed. It is used for soldering, assisting in soldering, etc. For soft wires, inserting the wire holding hole can increase the pulling resistance and prevent the wire from accumulating and tangling. The lower part of the rotating stop 19 is provided with a loose and tight fixing device, which vertically fixes the rotating stop 19 to the upper edge of the side of the concave base 11. The rotating stop 19 can prevent the solder wire from slipping out of the base. When the fixing device is loosened, the rotating stop 19 can be laid down. When laid down, it is not higher than the top surface of the concave base. When a wire spool larger than the diameter of the top surface of the base is placed, friction interference between the rotating stop and the lower surface of the wire spool can be avoided.

[0041] Telescopic locking assembly 2: includes telescopic locking pin 3 and spindle lock 4.

[0042] The upper part of the telescopic locking pin 3 is an extension column 31, which has the same outer diameter as the upper part of the central column 14 and is coaxial. The lower part of the extension column 31 is a telescopic locking pin 32, which is integrally fixedly connected to the extension column 31. The telescopic locking pin 3 has an axially oriented sliding hole that passes through the extension column 31 and the telescopic locking pin 32. A pin 33 that can slide axially is provided in the sliding hole. A release button 34 is fixedly connected to the top of the pin 33. The extension column 31 has a cavity coaxial with the sliding hole. The diameter of the cavity is larger than the diameter of the sliding hole. A locking spring 35 that is sleeved with the pin 33 is movably installed in the cavity. The diameter of the locking spring 35 is larger than the diameter of the sliding hole. The head of the release button 34 extends out of the top surface of the extension column 31. The tail is provided with a step with a diameter larger than the diameter of the sliding hole and smaller than the diameter of the cavity. The upper surface of the step abuts against the top surface of the cavity. The upper end of the locking spring 35 abuts against the lower surface of the step and the lower end abuts against the bottom surface of the cavity.

[0043] The bottom of the telescopic locking pin 32 is provided with several radially evenly distributed positioning holes, and a steel ball 37 is movably embedded in the positioning holes. The outer surface diameter of the positioning hole is smaller than the diameter of the steel ball 37. The bottom of the pin 33 is provided with a smooth conical inclined surface 36. The bottom radius of the conical inclined surface 36 is the same as the radius of the pin 33, and the top radius is smaller than the difference between the radius of the telescopic locking pin 32 and the diameter of the steel ball 37.

[0044] Pressing the release button 34 compresses the locking spring 35, causing the pin 33 to slide the tapered inclined surface 36 downwards, and the steel ball 37 retracts, not exceeding the outer surface of the positioning hole. At this time, the telescopic locking pin 32 can be inserted into any position within the upper opening of the central column 14. Releasing the release button 34 transmits the upward pressure of the locking spring 35 to the tail of the release button 34, causing the pin 33 to slide the tapered inclined surface 36 upwards. The tapered inclined surface squeezes the steel ball, causing the steel ball 37 to press against the central column along the positioning hole. The inner wall of the opening of 14; the pressure between the steel ball and the inner wall of the opening can be converted into static friction, so that the telescopic locking pin 32 is locked to the central column 14; press the button again to release the pressure of the steel ball, and the telescopic locking pin 32 can be slid or pulled out; by calculation, selecting a spring with appropriate elasticity and adjusting the fitting slope of the tapered inclined surface, the required steel ball locking force can be achieved; when the telescopic locking pin 32 accidentally slips out, the anti-disengagement groove 18 at the upper end of the central column can lock the steel ball to prevent the telescopic locking pin 32 from falling out.

[0045] The spindle lock 4 has an annular unlocking handle 41 on the upper part and an arc-shaped conical surface 42 on the lower part. The arc-shaped conical surface 42 can adaptively lock the spindle holes of different diameter solder wire rolls in the radial direction, so that the spindle center of the solder wire roll is aligned with the central column, and at the same time, it locks the solder wire roll downward. When the telescopic pin 33 is extended upward, the spindle lock 4 is sleeved with the extension column 31. When the telescopic pin 33 is fully retracted downward into the opening state of the central column, the lower surface of the extension column 31 is in contact with the top surface of the central column 14, and the spindle lock 4 is sleeved with the extension column 31 or the central column 14, and can slide downward to lock the position of the solder wire roll.

[0046] In practical use: Connect the mandrel lock 4 to the extension post 31. While holding the mandrel lock 4, press the release button 34 to insert, slide, or pull out the telescopic locking pin 32 in the opening of the central post. Insert the solder wire roll into the central post 14, insert the telescopic locking pin 32, and drive the mandrel lock 4 to slide downwards until the arc-shaped conical surface 42 presses against the upper end of the solder wire roll mandrel hole. At this time, release the release button 34, and the mandrel lock 4 will lock with the central post 14 through the telescopic locking pin 3, thus locking the solder wire roll shaft center and its up and down position. If the solder wire roll is too low, continue to hold the mandrel lock 4 and press the release button 34. 4. Drive the mandrel lock 4 downwards until the lower surface of the extension column 31 is in contact with the upper top surface of the center column 14. Then press down the mandrel lock 4 separately to make it disengage from the extension column 31 and slide into the upper part of the center column 14 until the arc-shaped conical surface 42 abuts against the upper end of the tin wire roll mandrel hole. The mandrel lock 2 and the center column 14 are locked together to lock the tin wire roll. The mandrel lock 4 can also be unlocked and pulled out separately. After replacing the tin wire roll, it can be put back in to lock the tin wire roll. In this way, the mandrel lock 4 can be locked at any height within the extension range, either alone or in combination with the telescopic locking pin 3, to lock tin wire rolls or spools of different heights.

[0047] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present invention should be included within the protection scope of the present invention.

Claims

1. A multi-purpose solder wire holder with quick telescopic locking, characterized in that: The base assembly and the telescopic locking assembly are included. The base assembly includes a concave base, the upper surface of which is provided with a horizontal annular top surface, the middle part of which is concave, and a plurality of circular annular stepped holes are formed in the inner wall of the concave base; a bearing is horizontally embedded in the stepped hole, the fixed ring of the bearing is fixedly connected with the base, and the axis of the bearing is perpendicular to the top surface of the concave base; The rotating tray is sunkly installed in the stepped hole of the concave base, is horizontally arranged above the bearing and is connected with the rotating ring of the bearing, the outer diameter of the rotating tray is smaller than the inner diameter of the top surface of the concave base, and the height of the outermost edge of the lower surface of the rotating tray is not higher than the top surface of the concave base; The central column is fixedly connected with the rotating tray and the rotating ring of the bearing, and the axis of the central column is perpendicular to the upper surface of the rotating tray; an axial hole is formed in the top surface of the central column and matches the diameter and length of the telescopic locking pin, the hole is coaxial with the central column, and an annular anti-falling groove is formed in the inner wall of the hole. The upper part of the rotating stop rod is provided with a wire holding hole, and a ring buckle is arranged at the connection between the upper part and the lower part, and the upper part can freely rotate axially around the ring buckle; the lower part of the rotating stop rod is fixedly arranged on the upper edge of the concave base in a vertical upward manner by means of a loose fixing device; in the loose state of the fixing device, the rotating stop rod can be laid down, and the height of the laid-down rotating stop rod is not higher than the top surface of the concave base. The telescopic locking assembly includes a telescopic locking pin and a mandrel lock; the telescopic locking pin is telescopically and lockingly sleeved with the upper part of the central column; and the mandrel lock is sleeved with the telescopic locking pin or the central column. The upper part of the telescopic locking pin is an extension column, which has the same outer diameter as the central column, and the lower part of the extension column is a telescopic locking pin, which is fixedly connected with the extension column; an axial sliding hole is formed in the telescopic locking pin and extends through the extension column and the telescopic locking pin, a pin shaft which can axially slide is arranged in the sliding hole, the top end of the pin shaft is fixedly connected with a release button, a cavity coaxial with the sliding hole is formed in the extension column, the diameter of the cavity is larger than that of the sliding hole, a locking spring which is sleeved with the pin shaft is movably arranged in the cavity, and the diameter of the locking spring is larger than that of the sliding hole; the head of the release button extends out of the top surface of the extension column, the tail of the release button is provided with a step which has a diameter larger than that of the sliding hole and smaller than that of the cavity, and the upper surface of the step abuts against the top surface of the cavity; the upper end of the locking spring abuts against the lower surface of the step of the release button, and the lower end of the locking spring abuts against the bottom surface of the cavity; a plurality of radially uniformly distributed positioning holes are formed in the bottom of the telescopic locking pin, a steel ball is movably embedded in each positioning hole, and the outer surface diameter of each positioning hole is smaller than the diameter of the steel ball; the bottom of the pin shaft is provided with a conical slope, the radius of the bottom end of the conical slope is the same as the radius of the pin shaft, and the radius of the top end of the conical slope is smaller than the difference between the radius of the telescopic locking pin and the diameter of the steel ball. The rotating tray, the central column, the telescopic locking pin, the mandrel lock and the bearing are coaxial.

2. The multi-purpose soldering wire holder capable of being quickly and telescopically locked according to claim 1, characterized in that: The middle annular surface of the rotating tray is convex; the inner annular surface and the outer annular surface are the lowest supporting surfaces of the rotating tray, and the height of the lowest supporting surfaces is higher than that of the top surface of the concave base; the outer edge of the outer annular surface is extendedly connected with a downwardly inclined annular surface, and the outer edge of the inclined annular surface is flush with the top surface of the concave base.

3. The multi-purpose soldering wire holder capable of being quickly and telescopically locked according to claim 1, characterized in that: The upper part of the mandrel lock is provided with an annular unlocking handle, and the lower part is provided with an arc-shaped taper surface; the telescopic lock pin is upwardly extended to the state of the central column, and the mandrel lock is sleeved with the extended column; the telescopic lock pin is completely retracted to the state of the opening of the central column, and the mandrel lock is slidably sleeved with the extended column or the upper part of the central column.

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