TWI510308B - Brake thread head device and forming method - Google Patents

Description

Brake head device and forming method

The invention provides a brake wire head device and a forming method, which in detail allows the operator to fix the position of each wire core while continuously placing it in the mold, which has better processing efficiency than the prior art. And it is not easy to have the characteristics of uneven coating of the ingot, which is an invention with excellent practicability.

Due to the fierce competition in the industry, in order to improve the competitive advantage, all walks of life are constantly improving the technical field and precision standards of the industry, especially the bicycle industry is one of the most progressive industries. There are many parts on the bicycle, each part They all occupy a very important position, and the brake system on the bicycle is related to the safety of the user, so it is more important for producers and users.

In the bicycle brake system, the system has more than one brake line, which is used to allow the user to drive the brake pads of the brake system to hold the tire when the brake is manually controlled, so that the rotation speed of the tire is lowered, and the bicycle is driven by The state is at a standstill, and the brake line is installed through a metal block in a group. For example, please refer to the Republic of China Patent Bulletin No. M267161 "Improved structure of the bicycle handlebar handle", a wheel-cutting guide line using a pulley. A new type of creation that is slippery and sturdy enough to produce a large braking line and a labor-saving effect; it is fixed to the inside of the handle extension block by a pulley, and the winding line is wound by the pulley groove So that the brake line can be attached to the pulley to generate appropriate displacement, and the pulley can be rotated to provide the brake line with labor-saving guide slip. And the brake line slip position does not form the folding angle resistance, especially the one that improves the handling efficiency and labor saving characteristics of the brake handle.

There is also a Republic of China Patent Bulletin No. 497581, "The handlebar structure for two sets of brake lines can be fixed", a brake handle structure that can be fixed to two sets of brake lines, which is mainly formed in parallel on both sides of the handle. a wire slot, and a circular hole groove is formed in a vertical position of the wire groove; and the handle seat body is in the middle position, a groove is embedded in the groove, and a slot is formed on the exposed end and the rotating ring, and The wire body is connected by the end socket and the central screw hole of the rotating ring, the front end of the wire body is divided into stepped grooves of different holes, and the two sides of the thread segment are formed with a deep groove; The group brake line is fixed with a short column and is positioned with a circular hole slot card. The brake line can be placed into the wire slot in a component shape. When it is led to the handle base and the swivel position, it is respectively stuck in the slot. Then, it is led to the stepped slot. At this time, the large hole of the stepped groove can be used to restrain the rubber hose position of the brake line, so that the extension ends of the two brake lines can be separated, which is convenient for the rotary seat assembly of the performance bicycle. Simplify the way of fixing the brake line and the practical purpose of independent change of line.

The above two types of bicycle brake systems are constructed, in the "improved structure of the bicycle handlebars", the brake line and the solid column, and the "fixed handlebar structure for the two sets of brake lines". Most of todayadays, the solid column (short column) is coated on one end of the brake line by means of mold casting, but this method is easily affected by external factors, for example, when the worker takes the end of the brake line. When the mold is placed in the mold, if the worker's hand is slightly trembled or the position of the position is shifted, the position of the worker may not be correctly aligned in the mold of the mold, thereby causing the solid column (short column) to be formed. After that, the thickness of each side cannot be averaged. As a result, the brake line is easy to break and break from the thin side of the solid column (short column) when the force is applied to drive the brake device, so that the brake line cannot drive the brake system. Acting, and finally the danger of the rider is missing. Therefore, relevant industry players must think and improve to meet the needs of the public.

Therefore, in view of the problems existing in the above-mentioned conventional structure, how to develop an innovative structure that is more ideal and practical, the consumers are eagerly awaiting, and the relevant industry must strive to develop the goal and direction of breakthrough. In view of this, the inventor has been engaged in the manufacturing development and design experience of related products for many years. After detailed design and careful evaluation, the inventor has finally obtained the practical invention.

The main object of the present invention is to provide a brake wire head device, which is capable of providing a worker to place the brake wire in the mold, so that the brake wire can be accurately placed in the proper position in the mold, so that the finished product after the mold is completed will not have The uneven thickness occurs, and the preferred forming method is better than the conventional technique, and it is not easy to collapse and break, which is an excellent invention.

In order to achieve the above object and effect, the "brake head device" of the present invention is assembled on a bicycle brake device and is used to drive the brake device to act. The utility model comprises a wire core and an ingot, wherein: one end of the wire core A knot is provided; the ingot is covered at one end of the core having a knot, and the ingot includes a round head and a body, the round head is provided with a knot end from the top toward the core a groove is formed in the downward recess, and a plurality of slots are arranged on the circumference of the body; accordingly, the end of the core is assembled and firmly clamped by the ingot being wrapped around the core. On the brakes, and smoothly control the actuation of the brakes.

The brake wire head device of the present invention further includes the following technical feature: the radial cross-sectional area of the round head from the top end to the bottom end is a diverging arrangement.

The invention is a brake head forming method according to the foregoing brake wire head device The method comprises the following steps: preparing a material: extracting a core to be processed, and forming a knot at one end; clamping a limit: placing one end of the core with a knot into a mold, and The mold comprises a male module and a female module, the male and female modules are corresponding to each other and freely abutted, and a cavity is opened on the corresponding side of the male and female modules, and the core is connected to the male and female Positioning between the modules and corresponding to each slot; positioning correction: another sliding module is placed on the mold, and the sliding module is located at the end of the corresponding core with the knot, when the male and female modules are closed, the sliding module Then, the end of the core with the knot is displaced and inserted into the male and female modules, and the top end of the core is abutted; the mold is formed: the core is restricted by the male and female modules and the sliding module. After positioning, the liquid metal material is poured into the cavity of the mold to cover the end of the core with the knot and the knot, and the liquid metal material is solidified to form the ingot; and the processing is trimmed: the core is The solidified ingot is taken out from the mold together, to be cooled Machining the outer surface of the ingot refurbishment.

According to this, the core is corrected by the position of the male and female modules, and further through the positioning of the sliding module, to correct the position and height of the core in the cavity, so that the solidified ingot can be uniformly coated on the wire. The heart has a knotted end.

The brake wire forming method of the present invention further includes the following technical feature: the cavity of the male and female modules further includes a circular groove section, a tail groove section, and a neck connecting section connecting the circular groove section and the tail groove section, and The groove depth of the circular groove section is larger than the neck joint section and the tail groove section, and the groove depth of the tail groove section is larger than the groove depth of the neck joint section.

The cavity is recessed with a slot segment at the opposite end of the circular groove segment connecting the neck segment, and the sliding module is inserted into the slot segment and abuts against the head end of the core.

The end of the core with the knot is placed in the cavity of the mold, and the system can be positioned first. The correcting step is to let the sliding module first reach the top of the line to fix the position and height of the line, and then perform the step of clamping the limit, and the male and female modules are abutted to each other to determine and limit the final position of the core. .

Thus, according to the above-described brake wire device and brake wire forming method, it is advantageous in that the liquid alloy metal can be surely coated on the end of the core with the knot and the knot, so that the liquid alloy metal is formed after curing. The ingot does cover the core without any uneven thickness causing collapse or breakage. Therefore, the present invention can be described as a quite practical and progressive invention, which is worthy of promotion by the industry and is publicized to the public.

(1)‧‧‧ brakes

(11)‧‧‧Positioning column

(2) ‧ ‧ ‧ heart

(21)‧‧‧结结

(3)‧‧‧Ingots

(31)‧‧‧ Round head

(311) ‧‧‧ Channel

(32)‧‧‧ Body

(321) ‧‧‧Slots

(S1)‧‧‧Required materials

(S2) ‧ ‧ clamping limit

(S3)‧‧‧ Positioning correction

(S4)‧‧‧Molding

(S5)‧‧‧Processing and finishing

(4)‧‧‧Mold

(41) ‧ ‧ public modules

(42) ‧‧‧ mother module

(43) ‧‧‧ cavity

(431)‧‧‧round slot

(432) ‧ ‧ tail slot

(433)‧‧‧Neck segments

(434) ‧‧‧

(435)‧‧‧Slots

(436)‧‧‧Molding channel

(5) ‧‧ ‧Sliding module

(6)‧‧‧Liquid metal materials

(7) ‧‧‧grinding tools

The first figure is a perspective view of the present invention.

The second drawing is a schematic cross-sectional view of the present invention.

The third figure is an exploded schematic view of the bicycle brake system installed in the present invention.

The fourth figure is a flow chart of the forming steps of the present invention.

The fifth figure is a schematic diagram of the operation of the ready-to-use material of the present invention.

The sixth figure is a schematic cross-sectional view of the male and female modules of the present invention.

The seventh figure is a schematic diagram of the operation of the sliding module without being inserted after the male and female modules of the present invention are closed.

The eighth figure is a schematic diagram of the operation of preparing the liquid metal material after the sliding module of the present invention is slipped into the mold.

The ninth drawing is a schematic diagram of the operation of the liquid metal material of the present invention to complete the filling.

The tenth figure is a schematic view of the surface of the ingot of the present invention.

The above-mentioned objects, structures and features of the present invention will be described in detail with reference to the preferred embodiments of the present invention. .

The following is a description of preferred embodiments, and is not intended to limit the invention in any way. Referring to the first to third figures, the brake head device of the present invention is assembled in a bicycle brake device (1). And a driving device (1) for driving, comprising a core (2) and an ingot (3), wherein: one end of the core (2) is provided with a knot (21), the knot (21) is in the form of a disk; the ingot (3) is wrapped around the core (2) with one end of the knot (21) and has a conical shape, and the ingot (3) includes a rounded head (31) and a body portion (32), the round head portion (31) is provided with a channel (311) and a body portion (311) recessed from the top end toward the core (2) with the knot (21). 32) The circumferential side recess is provided with a plurality of spaced apart slots (321); accordingly, the ingot (3) is wrapped around the core (2) to allow one end of the core (2) to be assembled and stabilized The card is disposed on the brake device (1) and smoothly controls the actuation of the brake device (1) (the foregoing is a main embodiment of the present invention, which has the necessary technical features to implement the first item of the patent application scope of the present invention, and the rest The technical features described in the scope of the patent application are For the detailed description or additional technical features of the content of the first application of the scope of patent application, and not to limit the scope of the definition of the first scope of the patent application, it should be understood that the scope of patent application in this case does not necessarily include the technology described in the scope of the remaining subsidiary patents. feature).

According to the above, the present invention is installed on the brake device (1) of the bicycle and controls the actuation of the brake device (1). Therefore, the ingot (3) and the core (2) are further described below. Technical features: Please refer to the second and third figures, in order to allow the ingot (3) to be assembled on the brakes In the device (1), in the design of the ingot (3), the radial cross-sectional area of the round head (31) from the top end to the bottom end is gradually expanded, so that the ingot (3) is firmly stuck to On the positioning post (11) of the brake device (1).

Further, according to the above-described round head portion (31), in order to make the assembly between the ingot (3) and the positioning column (11) of the brake device (1) reliable and stable, the round head portion (31) and the body are further In the design of the portion (32), the radial cross-sectional area of one end of the round head (31) connecting body (32) is greater than the radial cross-sectional area of the body (32), the body of the ingot (3) (32) is threaded on the positioning post (11), and the round head (31) is clamped to the positioning post (11), as shown in the second and third figures.

In order to avoid the connection between the core (2) and the ingot (3), the radial cross-sectional area of the knot (21) is greater than the radial cross-sectional area of the core (2) and greater than The radial cross-sectional area of the channel (311) and the body (32) is such that the core (2) is not easily separated from the ingot (3) by the setting of the knot (21), see The second and third figures are shown.

According to the assembly and joining between the core (2), the knot (21) and the ingot (3), the "brake head forming method" of the present invention will now be described. The flow of the forming step of the brake head is as follows. And with the figure shown in Figure 4 to Figure 10: Preparing the material (S1): extracting the core (2) to be processed, and forming a knot (21) at one end; clamping limit ( S2): placing one end of the core (2) with the knot (21) into a mold (4), and the mold (4) includes a male module (41) and a female module (42), the male, The female modules (41, 42) are corresponding to each other and freely abutted, and a cavity (43) is opened on the corresponding side of the male and female modules (41, 42), and the core (2) is Positioning between the male and female modules (41, 42) and corresponding to each slot (321); positioning correction (S3): another sliding module (5) is placed on the mold (4), and the sliding module (5) It is located at the end of the corresponding core (2) with the knot (21). When the male and female modules (41, 42) are closed, the sliding module (5) is provided with a knot to the core (2) (21). One end of the displacement is inserted into the male and female Module (41, 42), and the top end of the core (2); mold forming (S4): the core (2) is limited by the male and female modules (41, 42) and the sliding module (5) After positioning and positioning, the liquid metal material (6) is poured into the cavity (43) of the mold (4) to cover the core (2) with one end of the knot (21) and the knot (21). And the liquid metal material (6) is solidified to form the ingot (3); and the processing is trimmed (S5): the core (2) is taken out together with the solidified ingot (3) from the mold (4), to be cooled After that, the outer surface of the ingot (3) is refurbished.

Accordingly, the core (2) is corrected by the positioning of the male and female modules (41, 42) and further through the positioning of the sliding module (5) to correct the core (2) in the cavity (43). The position and height of the solidified ingot (3) can be uniformly coated on the core (2) with one end of the knot (21) (the foregoing steps are the process steps of the main embodiment of the invention, and the process steps thereof And the material has the necessary technical features to implement the main scope of the patent application scope of the present invention, corresponding to the content of the first item of the patent application scope of the present invention, which is the technical feature required to implement the contents of the process steps of the present invention, and the remaining subsidiary patents The technical features mentioned in the scope are detailed or additional technical features of the first content of the patent application scope, and are not intended to limit the scope of the first item of the patent application scope. It should be understood that the scope of patent application in this case does not necessarily include the rest. The technical features described in the scope of the patent application.

Referring to the fourth and fifth figures, in the initial preparation of the material (S1) of the present invention, the material used for the material is a plastic metal such as steel strand, iron strand or copper. A twisted wire or the like, the core (2) is extracted to an appropriate length, and a knot (21) is formed at the head end, and the method of forming the knot (21) has the following methods, but is not used Limit the way of its formation: 1. The inner core (2) is repeatedly wound and knotted at the head end, and the knot is punched and sturdy by tapping to form the knot (21); 2. Using the operation of the welding torch and the solder, online The circumference of the tip end of the core (2) is spot welded, so that the solder is fixed to the circumference of the core (2) and gradually expands outward. After the solder is solidified, a knot (21) is formed; 3. The above two methods can be used together, and the end of the wire (2) is repeatedly wound and knotted, and then the joint is spot-welded by using a welding torch and a solder. After the solder is solidified, a knot (21) is formed. After the knot (21) is formed at one end of the core (2), after the required length is measured, the core (2) is cut by a cutter, and It is mounted on the brake device (1) of the bicycle.

However, as shown in the sixth figure, the core (2) provided with the knot (21) is placed in the mold (4) for casting, and the core (2) is first provided with the knot (21). One end is placed between the male and female modules (41, 42), and corresponds to the cavity (43) of the male and female modules (41, 42), and the cavity (43) of the male and female modules (41, 42) further includes There is a circular groove section (431), a tail groove section (432), and a neck connecting section (433) connecting the circular groove section (431) and the tail groove section (432), and the groove of the circular groove section (431) The depth is greater than the groove depth of the neck section (433) and the tail section (432), and the groove depth of the tail section (432) is greater than the groove depth of the neck section (433), and the tail section (432) The opposite end of the connecting neck segment (433) is further connected with a clamping portion (434), and the male and female modules (41, 42) are abutted against the core (2) to clamp the clamping portion (434) first. Live the line (2), and fix the position of the core (2); after the male and female modules (41, 42) clamp the core (2), then slide the sliding module (5) toward the center (2) One end of the knot (21) is inserted into the mold (4), however, the male and female modules (41, 42) are rounded in the cavity (43) for the insertion of the sliding module (5). Segment (431) connecting neck The opposite end of the segment (433) is further recessed with a slot segment (435), so that the sliding module (5) can be inserted into the male and female modules (41, 42) by the slot segment (435) and abut against the core (2) the head end, and the end of the sliding module (5) against the top core (2) is arranged to match the shape of the head end of the core (2), so that the round head (31) of the ingot (3) The head end of the knot (21) and the core (2) can be covered in a larger range, as shown in the seventh figure; when the male and female modules (41, 42) and the sliding module (5) are the core (2) After the position is fixed with the knot (21), the liquid metal material (6) can be started to be poured, and in order to facilitate the worker's perfusion, A mold passage (436) communicating with the circular groove section (431) is disposed on the male module (41), and the worker fills the liquid metal material (6) from the mold passage (436) into the circular groove section (431), and The liquid metal material (6) is evenly filled in the circular groove section (431), the neck connecting section (433) and the tail groove section (432), and further the core (2) and the knot (21) are covered, please Referring to the eighth and ninth figures; please refer to the tenth figure, after the liquid metal material (6) is solidified, the formed ingot (3) and the core (2) are formed by the cavity (43). The inner surface of the ingot (3) is trimmed and repaired by a sanding tool (7) to trim a relatively flat surface, and the grinding tool (7) of the present invention can be a hand grinding wheel, a sandpaper, etc., and finally The polished ingot (3) is mounted on the bicycle brake device (1) together with the core (2) to complete the assembly.

According to the above steps, in the order of the clamping limit (S2) step and the positioning correction (S3) step, the sequential manner of implementation is the necessary technical features that can be implemented and optimized, but the two steps are It can also be mutually adjusted. When the end of the core (2) with the knot (21) is placed in the mold (4), the step of positioning correction (S3) can be operated first, and the sliding module (5) is slid to the top. At the head end of the core (2), the position and height of the placement are fixed first, and then the step of clamping the limit (S2) is performed, and then the male and female modules (41, 42) are pressed against each other to be clamped. The center of the line (2) further limits the position of the center of the line (2).

The above description is only intended to explain the preferred embodiments of the present invention, and is not intended to limit the invention in any way. The changer should still be included in the scope of the intention of the present invention.

In summary, the "brake head device and forming method" of the present invention is indeed in full compliance with the needs of industrial development, and the disclosed structural creation is also an unprecedented innovative structure, so There is no doubt that "novelty" should be considered, and the invention can be The more customary structure is more effective, so it is also "progressive". It fully complies with the requirements of the application requirements for invention patents in China's Patent Law. It is a patent application in accordance with the law, and we invite the bureau to review it early and give it affirmation. .

(2) ‧ ‧ ‧ heart

(3)‧‧‧Ingots

(31)‧‧‧ Round head

(311) ‧‧‧ Channel

(32)‧‧‧ Body

(321) ‧‧‧Slots

Claims (6)

A brake wire head device is disposed on a bicycle brake device and is configured to actuate a brake device, comprising a core and an ingot, wherein: one end of the core is provided with a knot; the ingot is wrapped Covering the end of the core with a knot, the ingot includes a rounded head and a body, the round head is recessed downwardly from the top end of the core with a knot end, and The circumference of the body is recessed with a plurality of slots provided at a plurality of intervals; accordingly, the ingot is wrapped around the core, so that one end of the core is assembled and firmly clamped on the brake device, and is smoothly Control the actuation of the brakes. The brake wire head device according to claim 1, wherein the radial cross-sectional area of the round head from the top end to the bottom end is a diverging arrangement. A method for forming a brake wire head according to the above method, the method comprising the following steps: preparing a material: extracting a core to be processed, and forming a knot at one end; and clamping a limit: the core is provided One end of the knot is placed in a mold, and the mold includes a male module and a female module. The male and female modules are corresponding to each other and freely abutted, and are respectively opened on the corresponding side of the male and female modules. There is a cavity, the center of the wire is placed between the male and female modules and corresponding to each slot to be limited; positioning correction: the mold further includes a sliding module, and the sliding module is located at the center of the line with a knot One end, when the male and female modules are abutted, the sliding module is inserted into the male and female modules that are coupled to the opposite end of the core, and is abutted against the head end of the core; Mold forming: the wire core is subjected to the limitation and positioning of the male and female modules and the sliding module, Note: a liquid metal material is placed in the cavity of the mold to cover the end of the core with the knot and the knot, and the liquid metal material is solidified to form the ingot; and the processing is finished: the core is cured The ingot is taken out from the mold together, and the outer surface of the ingot is processed and refurbished after being cooled; accordingly, the core is corrected by the position of the male and female modules and further through the positioning of the sliding module to correct the line The position and height of the heart in the cavity allow the solidified ingot to be uniformly coated on the end of the core with the knot. The brake wire forming method according to claim 3, wherein the male and female modules further include a circular groove section, a tail groove section, and a neck connecting the circular groove section and the tail groove section. The continuous section, and the groove depth of the circular groove section is larger than the neck joint section and the tail groove section, and the groove depth of the tail groove section is larger than the groove depth of the neck joint section. The brake wire forming method according to claim 3, wherein the wire core is provided with one end of the knot placed in the mold cavity, and the positioning correction step is first performed to allow the sliding module to first arrive. After the top end of the line is fixed to the position and height, the step of clamping the limit is performed, and the male and female modules are abutted to each other to determine and limit the final position of the core. The brake wire forming method according to claim 4, wherein the cavity is recessed with a slot segment at a opposite end of the circular groove segment connecting the neck segment, and the sliding module is inserted into the slot segment. Enter and reach the top of the line.