CN216534127U - Module unit capable of being disassembled and assembled without tool and watchband using same - Google Patents
Module unit capable of being disassembled and assembled without tool and watchband using same Download PDFInfo
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- CN216534127U CN216534127U CN202123391648.0U CN202123391648U CN216534127U CN 216534127 U CN216534127 U CN 216534127U CN 202123391648 U CN202123391648 U CN 202123391648U CN 216534127 U CN216534127 U CN 216534127U
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Abstract
The utility model discloses a module unit which is assembled without tool disassembly and a watchband using the module unit, wherein a movable block is telescopically and rotatably connected to a main body module through a rotating shaft, a spring is sleeved on the rotating shaft, a fixed sleeve and a limiting block at the telescopic end of the rotating shaft provide limiting for two ends of the spring, the spring is compressed when the movable block is pulled out, the movable block rotates around the rotating shaft after being pulled out, a connecting boss of an adjacent module unit can move towards the direction of the movable module along a connecting pin shaft until a connecting shaft hole is completely separated from the connecting pin shaft, two adjacent module units can be disassembled and separated, the assembly and disassembly connection can be completed through reverse operation, the number of the module units can be additionally assembled or reduced as required, and the extension or the shortening of the watchband can be realized; the main body module and the movable block are combined only by processing four pin holes, so that the number of parts is reduced, the production and processing technology is simplified, the structure is simple and compact, the consumed time is short, the production efficiency is improved, the cost is reduced, and the operation is convenient.
Description
Technical Field
The utility model belongs to the technical field of daily article manufacturing, and particularly relates to a tool-free detachable module unit and a watchband using the module unit.
Background
Watchbands are usually formed by combining a plurality of watchband units, and the length and the size of the watchbands sold in the market are usually designed according to a fixed standard; the wrist thickness and the wrist size of each person are different, the length of the watchband is adjusted according to the specific wrist thickness and the wrist size by different wearing personnel to adapt to the specific wrist size of the wearing personnel, and for the wearing personnel with fine wrists, a plurality of watchband sections are required to be removed to shorten the length of the watchband; for the wearing person with a thick wrist, a plurality of watchband sections need to be added to lengthen the length of the watchband. The watchband festival of traditional watchband is generally through screw fastening connection, perhaps through the spacing connection of coaxial shaft hole interference fit on steel needle and the different parts, need use screwdriver, wrist-watch to tear tape unit or give birth to specialized tool such as ear fork in the installation dismantlement in-process, and the troublesome poeration is dismantled in the installation, uses inconveniently, fails to popularize masses. Although the watchband unit easy to disassemble and assemble in the prior art can be manually disassembled and assembled without using a special tool, the watchband unit easy to disassemble and assemble still has the problems of large number of parts, high matching precision requirement, complex production and processing technology, long consumed time and high cost. For example, patent No. 201822187941.7 entitled "an easily detachable watchband unit", the main body of the watchband unit needs to be composed of a band body unit, a first connecting unit and a second connecting unit, 8 auxiliary connecting holes and two main connecting holes need to be arranged on the band body unit, the first connecting unit and the second connecting unit, the number of parts is large, the precision requirement of each connecting hole is high, the production and processing process is complex, the time consumption is long, and the assembly is complex! Equipment investment and labor cost are high; and the disassembly and assembly need to be centered and aligned during use, and the operation is inconvenient.
Disclosure of Invention
In order to solve the above problems in the prior art, the present invention aims to provide a module unit which is assembled and disassembled without using a tool and a watch band using the module unit, which can reduce the number of parts, simplify the production and processing process, consume less time, improve the production efficiency, reduce the cost and be convenient to operate.
The technical scheme adopted by the utility model is as follows:
a module unit which is assembled and disassembled without tools comprises a main body module and a locking mechanism, wherein the front section of the main body module forms a connecting boss;
the rear section of the main body module is provided with lugs extending and protruding towards two sides, the rear ends of the lugs at two sides extend backwards to exceed the rear side of the main body module, and a space between the rear sections of the lugs at two sides forms a limiting groove; the main body module can be matched and spliced with the limit groove of the adjacent main body module through the connecting boss;
the ear part on one side of the main body module is a movable block, the ear part on the other side of the main body module is a fixed block, and the fixed block and the main body module are of an integrated structure; the fixing block is provided with a connecting pin shaft, the connecting boss is provided with a connecting shaft hole, and the connecting boss of the main body module can be matched with the connecting shaft hole through the connecting pin shaft to be limited and inserted in the limiting groove of the adjacent main body module; the movable block can be pulled out to be away from the main body module so as to loosen the connecting pin shaft, so that the connecting pin shaft can be pulled out of the connecting shaft hole, or the movable block resets to lock the connecting pin shaft, so that the connecting pin shaft cannot be separated from the connecting shaft hole, and a locking mechanism is formed.
A first pin hole is formed in the inner side face of the rear section of the fixed block, one end of a connecting pin shaft is fixed in the first pin hole in an interference fit mode, and the other end of the connecting pin shaft is a free end; and a second pin hole is formed in the inner side surface of the rear section of the movable block, and the free end of the connecting pin shaft is inserted into the second pin hole in a clearance fit mode.
A third pin hole is formed in the inner side face of the front section of the movable block, a rotating shaft is arranged in the third pin hole, and one end of the rotating shaft is fixed in the third pin hole in an interference fit manner; the other end of the rotating shaft is slidably mounted inside the main body module through an elastic limiting mechanism to form a telescopic end.
A fourth pin hole is formed in the side face of the main body module and corresponds to the third pin hole, a fixing sleeve is arranged at the opening of the fourth pin hole, and the telescopic end of the rotating shaft penetrates through the fixing sleeve through clearance fit and then extends into the fourth pin hole; the flexible end of pivot is provided with the stopper, and the part cover that the pivot is located between stopper and the fixed cover is equipped with the spring.
A section of limiting step hole is formed in the opening part of the third pin hole of the movable block, and the inner diameter of the limiting step hole is larger than the outer diameter of the fixed sleeve; fixed cover extends one section distance to the main part module outside, and the movable block passes through spacing step pot head and locates fixed cover outside.
The outer cylindrical surface of the fixed connection part of the connecting pin shaft and the first pin hole in interference fit is provided with anti-skid grains; and anti-skid grains are also arranged on the outer cylindrical surface of the interference fit fixed connection part of the rotating shaft and the third pin hole.
The main body module is of a rectangular structure, and the movable block and the fixed block are symmetrically arranged on two sides of the main body module.
The movable block and the fixed block are both in a trapezoidal structure.
A watchband using the tool-free detachable module unit comprises a plurality of module units, wherein a connecting boss at the front end of each module unit is matched and fixedly connected in a limiting groove of the previous module unit through a connecting pin shaft and a connecting shaft hole; the dial plate of the watch is provided with an initial installation boss, the initial installation boss is provided with a connection shaft hole, and the limiting grooves of the module units positioned at the rearmost ends in the plurality of module units are mutually matched with the connection shaft hole through connecting pin shafts and are limited to be inserted into the initial installation boss.
A watchband using the module units which are disassembled and assembled without tools comprises at least one module unit and a band body, wherein the end part of the band body is provided with a limiting groove, and a connecting boss of the module unit is limited and inserted in the limiting groove at the end part of the band body; the dial plate of the watch is provided with an initial installation boss, the initial installation boss is provided with a connection shaft hole, and the limiting groove of the module unit is mutually matched with the connection shaft hole through a connection pin shaft and is inserted on the initial installation boss in a limiting manner.
The utility model has the beneficial effects that:
a module unit free of tool disassembly and assembly and a watchband using the module unit are disclosed, wherein the module unit is formed by combining a main body module and a movable block, and the combination of the main body module and the movable block only needs to process four pin holes, so that the number of parts and processing precision control data are reduced, the production and processing technology is simplified, the structure is simple and compact, the consumed time is short, the production efficiency is improved, and the cost is reduced; the movable block is rotationally connected to the main body module through the pivot is scalable simultaneously, suit spring in the pivot, fixed cover provides spacingly with the stopper of the flexible end of pivot for the spring both ends, compression spring when the movable block outwards pulls out, the movable block pulls out to leaving behind connecting pin axle, it is rotatory around the pivot again, unblock connecting pin axle, connecting pin axle towards the direction removal of movable block can be followed to the connecting boss of adjacent modular unit, break away from connecting pin axle completely until connecting the shaft hole, two adjacent modular unit can dismantle separately, the back dress connection can be accomplished to the reverse operation, can install or reduce modular unit quantity additional as required, thereby realize the watchband extension or shorten, and convenient for operation.
The tool-free detachable and mountable module unit structure can be applied to length free adjustment and interchange of other intelligent wearable devices, bracelets, necklaces, straps and other ornaments, has a wide application prospect, and can meet the free matching application requirements of consumers; common element combinations are adopted, and remarkable application results are exerted.
Drawings
FIG. 1 is a schematic plan view of a module unit that is assembled without disassembling the module unit with tools according to an embodiment of the present invention;
FIG. 2 is a schematic plan view of a main module of a tool-less demountable module unit according to an embodiment of the present invention;
FIG. 3 is a schematic diagram of a movable block of a module unit that is assembled and disassembled without using tools according to an embodiment of the present invention;
FIG. 4 is a schematic plan view of two modular units assembled and fixed without disassembling the tool according to the present invention;
fig. 5 is a schematic structural view of a movable block and a connecting pin of a module unit which is assembled and disassembled without using a tool, after being unlocked, in a plane structure;
FIG. 6 is a schematic plan view of two module units assembled without tool disassembly according to the present invention;
FIG. 7 is a schematic plan view of a watch band constructed by using the module units of the first embodiment of the present invention, which are assembled and disassembled without using tools;
FIG. 8 is a schematic plan view of a third tool-less disassembled and assembled modular unit according to an embodiment of the present invention;
fig. 9 is a schematic plan view of a watch band using a module unit according to a fourth embodiment of the present invention, the module unit being detachably mounted without using a tool according to the third embodiment of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments obtained by a person skilled in the art without making any inventive step are within the scope of protection of the present invention.
As shown in fig. 1 to 9, the present invention provides a module unit that is assembled and disassembled without using a tool and a watch band using the module unit, and the overall plan scheme is as follows: the module unit mainly comprises a main body module and a locking mechanism, wherein the main body module is provided with a first connecting part and a second connecting part; when a watchband is combined by adopting a plurality of module units, the main body module of each module unit is mutually matched and fixedly connected with the second connecting part of the main body module of the adjacent module unit through the first connecting part, and the plurality of module units are mutually fixedly connected to form the watchband; the locking mechanism is arranged on one side of the main body module, and the first connecting part and the second connecting part can be separated and disassembled when the locking mechanism is loosened, so that the watchband sections can be conveniently shortened or removed to shorten the length of the watchband, and the use requirements of wearing personnel with delicate wrists are met; or a plurality of watchband sections are lengthened or increased to lengthen the length of the watchband, so that the watchband meets the use requirement of the wearing person with a strong wrist. Locking mechanism can lock first connecting portion and second connecting portion when reseing, ensures to be not hard up when wearing the wrist-watch through the watchband is fixed and drops reliable and stable.
The first embodiment is as follows:
as shown in fig. 1 to 6, the specific detailed structure of the module unit is as follows:
the front section of the main body module 1 directly forms a connecting boss 14; the rear section of the main body module 1 is provided with lugs extending to two sides, the rear ends of the lugs at two sides extend backwards to exceed the rear side of the main body module 1, and the space between the rear sections of the lugs at two sides forms a U-shaped limiting groove 7; the connecting boss forms a first connecting part, and the U-shaped limiting groove forms a second connecting part; the main body module of each module unit is mutually matched and spliced with the limiting groove 7 of the main body module of the adjacent module unit through the connecting lug boss 14, and a plurality of module units are sequentially fixedly connected end to form the watchband.
Further, set up the ear of one of them side of main part module 1 into movable block 2, set up the ear of 1 opposite side of main part module into fixed block 3, fixed block 3 and 1 formula structures as an organic whole of main part module, every modular unit only need process manufacturing main part module and two parts of movable block promptly can, production and processing technology is simple, and part quantity is few, and the precision management and control point is few, and simple structure is compact, and production cycle is short, and production efficiency is high, and hand labor, equipment cost drop-in are low. The connecting pin shaft 4 is arranged on the fixed block 3, the connecting shaft hole 10 is arranged on the connecting boss 14, when the watchband is combined and connected, the connecting boss of the main body module of each module unit is mutually matched and inserted into the connecting shaft hole of the main body module of the adjacent module unit through the connecting pin shaft, so that the connecting boss of the main body module of each module unit is limited and inserted into the limiting groove of the main body module of the adjacent module unit, the connecting boss is limited in the U-shaped limiting groove, the connecting boss and the limiting groove can not move to two sides, the inserting pin shaft 4 is matched and limited with the connecting shaft hole 10, and the connecting boss and the limiting groove can not move back and forth or move to two sides; when the movable block 2 is tightly attached to the main body module, the movable block 2 cannot rotate or move back and forth, the connecting pin shaft 4 and the main body module integral structure cannot rotate or move back and forth relative to the adjacent module unit or move towards two sides, and the connecting pin shaft 4 and the movable block 2 are mutually limited to form a locking mechanism; when the movable block 2 is pulled out and is far away from the main body module 1, the connecting pin shaft 4 is loosened, the movable block 2 and the connecting pin shaft 4 are not limited, the movable block 2 can rotate, and the connecting pin shaft 4 can move back and forth along with the main body module.
Furthermore, a counter bore is arranged on the inner side surface of the rear section of the fixed block 3 to form a first pin hole 17, one end of the connecting pin shaft 4 is fixed in the first pin hole 17 through interference fit, and the other end of the connecting pin shaft 4 is a free end; a counter bore is also arranged at the position corresponding to the first pin hole 17 on the inner side surface of the rear section of the movable block 2 to form a second pin hole 8, when the movable block 2 is tightly attached to the main module, the free end of the connecting pin shaft 4 is clamped and sleeved outside the free end of the connecting pin shaft 4 through the second pin hole 8, the free end of the connecting pin shaft 4 is limited and inserted into the second pin hole 8 through clearance fit, the connecting pin shaft 4 and the movable block 2 are limited mutually, the movable block 2 cannot rotate, and the main connecting pin shaft 4 and the main module integral structure can not move towards two sides or move back and forth relative to the adjacent module unit; when the movable block 2 is pulled out and is kept away from the main body module 1, the movable block 2 and the connecting pin shaft 4 are not limited, the movable block 2 can rotate, the limiting groove of the U shape is opened to form an L shape, the limiting function of the limiting groove is damaged, the movable block and the connecting pin shaft 4 can move towards the fixed block side together along with the main body module relative to the adjacent module unit, and then the movable block and the connecting pin shaft move back and forth, so that the movable block and the connecting pin shaft are separated from the adjacent module unit, the single module unit is detached, and the reverse operation can be performed during installation.
And the end surface of the free end of the connecting pin shaft is a semi-spherical surface, so that the movable block 2 is conveniently clamped and sleeved outside the free end of the connecting pin shaft 4 through the sliding of the second pin hole 8, and the operation is smooth and smooth.
Furthermore, a counter bore is arranged on the inner side surface of the front section of the movable block 2 to form a third pin hole 21, a rotating shaft 9 is fixedly arranged inside the third pin hole 21, and one end of the rotating shaft 9 is fixed inside the third pin hole 21 through interference fit; the other end of the rotating shaft 9 is slidably mounted in the main body module 1 through an elastic limiting mechanism to form a telescopic end; the movable block 2 can rotate relative to the main module through the rotating shaft, and meanwhile, the movable block 2 slides in the main module through the telescopic end of the rotating shaft 9, so that the movable block 2 can be tightly attached to the main module or pulled out to be far away from the main module.
Further, the specific structure of the elastic limiting mechanism is as follows:
a counter bore is arranged at the position corresponding to the third pin hole 21 on the side surface of the main body module 1 to form a fourth pin hole 16, a fixing sleeve 11 is fixedly arranged at the opening part of the fourth pin hole 16, and the telescopic end of the rotating shaft 9 penetrates through the fixing sleeve 11 through clearance fit and then extends into the fourth pin hole 16; a limiting block 5 is further arranged at the telescopic end of the rotating shaft 9, a spring 6 is further sleeved on the part, located between the limiting block 5 and the fixed sleeve 11, of the rotating shaft 9, and the two ends of the spring 6 are limited by the limiting block 5 and the fixed sleeve 11 at the same time; when the movable block is pulled out, the springs 6 at the two ends are compressed and deformed under the limiting and extruding actions of the limiting block 5 and the fixed sleeve 11 at the same time, so that energy is stored in a compressed mode; the movable block is pulled out to leave the connecting pin shaft by applying a pulling force, the movable block and the connecting pin shaft are mutually unlocked, but if the pulling force is cancelled, the movable block can be reset under the action of the elastic restoring force of the spring and is continuously clamped and sleeved above the connecting pin shaft; therefore, the movable block is required to rotate around the rotating shaft after being pulled out until the second pin hole in the movable block and the connecting pin shaft are staggered.
In order to ensure that the movable block and the connecting pin shaft 4 move together with the main body module relative to the adjacent module unit to the fixed block side and are separated from the adjacent module unit, the movable block needs to rotate by a larger angle until the spacing distance between the outer side surface of the movable block and the connecting pin shaft is larger than the thickness of the outer wall of the shaft hole of the connecting boss, so that enough operating space is ensured, the connecting boss of the adjacent module unit can move along the connecting pin shaft towards the side of the movable block, and the connecting pin shaft is completely separated from the connecting shaft hole, so that the two adjacent module units can be separated from each other, and the disassembly operation is completed; the installation and connection can be completed by reverse operation; the number of the module units can be increased or decreased according to the needs, so that the extension or the shortening of the watchband is realized; the operation is convenient.
Further, a section of limiting step hole 22 is further arranged at the opening part of the third pin hole 21 of the movable block 2, and the inner diameter of the limiting step hole 22 is larger than the outer diameter of the fixed sleeve 11; set up the length of fixed cover 11 to extend a section distance again to the outside of main part module 1 for the outside of fixed cover 11 can be located through spacing step hole 22 cover to movable block 2, and movable block 2 is when outwards pulling out, rotatory and reseing, and fixed cover all can provide the direction, and is reliable and stable.
The design has the advantages that: a fixed cover can multi-functional application, when reducing the cost, fixed cover can regard as the protective sheath again, and the supplementary anti bending property that improves the pivot to guarantee that the product is more durable, long service life.
Furthermore, anti-skid grains are arranged on the outer cylindrical surface of the fixed connection part of the connection pin shaft and the first pin hole in interference fit; anti-skid grains are also arranged on the outer cylindrical surface of the interference fit fixed connection part of the rotating shaft and the third pin hole; an embedded dentate structure is formed by the anti-slip lines, so that the reliability of the fixed connection structure is further improved.
The main part module 1 sets up to the rectangle structure, or other circular, oval, other shapes such as arc that have design aesthetic feeling, practicality, and the movable block sets up in main part module both sides with fixed block symmetry each other, and the appearance is pleasing to the eye to spend highly, is rich in the aesthetic feeling. In order to embody the aesthetic appearance effect of the ornament, a decorative strip can be arranged at the connecting part between the fixing block and the main body module so as to show the effect that the fixing block and the main body module are false two pieces.
The main body module and the fixed block can adopt an integral structure formed by metal materials through a casting forming process; the main body module, the fixed block and the movable block can have a certain radian according to a manufacturing method of the watch band in the prior art so as to adapt to the use requirement of a user on a wrist which is similar to a circular or oval wrist and meet the design requirement of human engineering.
The module unit is formed by combining a main body module and two movable blocks, only four pin holes are needed to be processed in the main body module and the movable block combination, the number of parts and processing precision control data are reduced, the production and processing technology is simplified, the structure is simple and compact, the consumed time is short, the production efficiency is improved, and the cost is reduced; the movable block is telescopically and rotatably connected to the main body module through the rotating shaft, the spring is sleeved on the rotating shaft, the fixed sleeve and the limiting blocks at the telescopic end of the rotating shaft provide limiting for two ends of the spring, the spring is compressed when the movable block is pulled out outwards, the movable block is pulled out to be away from the connecting pin shaft and then rotates around the rotating shaft to unlock the connecting pin shaft, the connecting boss of the adjacent module unit can move towards the direction of the movable module along the connecting pin shaft until the connecting shaft hole is completely separated from the connecting pin shaft, the adjacent two module units can be detached and separated, the back-assembling connection can be completed through reverse operation, the number of the module units can be additionally assembled or reduced as required, and therefore, the extension or the shortening of the watchband can be realized; the operation is convenient.
The tool-free detachable and mountable module unit structure can be applied to length free adjustment and interchange of other intelligent wearable devices, bracelets, necklaces, straps and other ornaments, has a wide application prospect, and can meet the free matching application requirements of consumers; common element combination is adopted, and remarkable application effect is brought into play.
The second embodiment:
the watchband formed by the module units which are disassembled and assembled without tools in the embodiment is formed by connecting a plurality of module units on the dial plate of the watch end to end in sequence as shown in fig. 7. The specific structure is that an initial installation boss 12 is arranged on a dial plate 100 of the watch, a connecting shaft hole is also arranged on the initial installation boss 12, in a plurality of module units, a limiting groove of a module unit positioned at the rearmost end is matched with the connecting shaft hole through a connecting pin shaft to be limited and inserted on the initial installation boss, in other module units, a connecting boss at the front end of each module unit is matched with and fixedly connected with the connecting shaft hole through the connecting pin shaft to be fixed in a limiting groove of a previous module unit.
Example three:
on the basis of the structure of the first embodiment, the movable block and the fixed block are both arranged to be of a trapezoidal structure, as shown in fig. 8, the design feeling and the appearance attractiveness are further improved, and meanwhile, the inclined plane of the trapezoidal structure is convenient to operate.
Example four:
the watch band formed by the module units of the third embodiment which are assembled and disassembled without tools is composed of a module unit and a band body 15, as shown in fig. 9, an initial installation boss 12 is arranged on a watch dial 100 of the watch, a connecting shaft hole 10 is also arranged on the initial installation boss 12, and a limiting groove of the module unit is mutually matched with the connecting shaft hole through a connecting pin shaft and is inserted on the initial installation boss in a limiting way. The end part of the belt body 15 is also provided with a limiting groove, and the connecting lug boss of the module unit is inserted into the limiting groove at the end part of the belt body 15 in a limiting way.
The belt body can be a belt, an adhesive tape, a cloth belt, a net belt, a handle or a watchband made of other materials, and the module units can be fixedly connected on the belt body in a connecting mode such as glue joint, riveting joint, thread joint or tooth clamping and embedding.
The fixed connection mode of the connecting boss of the module unit and the limiting groove of the belt body can also adopt a connection structure the same as the module unit, namely two pin holes are arranged on the two side surfaces of the inner side of the limiting groove of the belt body 15 corresponding to the positions of the connecting shaft holes on the connecting boss of the module unit, and the connecting boss of the module unit is matched with the connecting shaft hole through a connecting pin shaft and is inserted in the limiting groove at the end part of the belt body 15 in a limiting way.
The utility model is not limited to the above alternative embodiments, and any other various forms of products can be obtained by anyone in the light of the present invention, but any changes in shape or structure thereof, which fall within the scope of the present invention as defined in the claims, fall within the scope of the present invention.
Claims (10)
1. The utility model provides a exempt from modular unit of instrument dismantlement installation which characterized in that: the locking mechanism comprises a main body module and a locking mechanism, wherein the front section of the main body module forms a connecting boss;
the rear section of the main body module is provided with lugs extending and protruding towards two sides, the rear ends of the lugs at two sides extend backwards and exceed the rear side of the main body module, and a space between the rear sections of the lugs at two sides forms a limiting groove; the main body module and the adjacent main body module can be mutually matched and connected in an inserting way through the connecting lug boss and the limiting groove;
the ear part on one side of the main body module is a movable block, the ear part on the other side of the main body module is a fixed block, and the fixed block and the main body module are of an integrated structure; the fixing block is provided with a connecting pin shaft, the connecting boss is provided with a connecting shaft hole, and the connecting boss of the main body module can be in limit insertion in the limit groove of the adjacent main body module in a way of mutually matching with the connecting shaft hole through the connecting pin shaft; the movable block can be pulled out to be away from the main body module so as to loosen the connecting pin shaft, so that the connecting pin shaft can be pulled out of the connecting shaft hole, or the movable block resets to lock the connecting pin shaft, so that the connecting pin shaft cannot be separated from the connecting shaft hole, and a locking mechanism is formed.
2. The tool-less demountable electrical modular unit of claim 1, wherein: a first pin hole is formed in the inner side face of the rear section of the fixed block, one end of a connecting pin shaft is fixed in the first pin hole in an interference fit mode, and the other end of the connecting pin shaft is a free end; and a second pin hole is formed in the inner side surface of the rear section of the movable block, and the free end of the connecting pin shaft is inserted into the second pin hole in a clearance fit manner.
3. The tool-less demountable electrical modular unit of claim 2, wherein: a third pin hole is formed in the inner side face of the front section of the movable block, a rotating shaft is arranged in the third pin hole, and one end of the rotating shaft is fixed in the third pin hole in an interference fit manner; the other end of the rotating shaft is slidably mounted inside the main body module through an elastic limiting mechanism to form a telescopic end.
4. A tool-less demountably mountable modular unit according to claim 3, wherein: a fourth pin hole is formed in the side face of the main body module and corresponds to the third pin hole, a fixing sleeve is arranged at the opening of the fourth pin hole, and the telescopic end of the rotating shaft penetrates through the fixing sleeve through clearance fit and then extends into the fourth pin hole; the flexible end of pivot is provided with the stopper, and the part cover that the pivot is located between stopper and the fixed cover is equipped with the spring.
5. The tool-less demountably mountable modular unit of claim 4, wherein: a section of limiting step hole is formed in the opening part of the third pin hole of the movable block, and the inner diameter of the limiting step hole is larger than the outer diameter of the fixed sleeve; fixed cover extends one section distance to the main part module outside, and the movable block passes through spacing step pot head and locates fixed cover outside.
6. The tool-less demountably mountable modular unit of claim 5, wherein: the outer cylindrical surface of the fixed connection part of the connection pin shaft and the first pin hole in interference fit is provided with anti-skid grains; and anti-skid grains are also arranged on the outer cylindrical surface of the interference fit fixed connection part of the rotating shaft and the third pin hole.
7. The tool-less demountable electrical modular unit of claim 1, wherein: the main body module is of a rectangular structure, and the movable block and the fixed block are symmetrically arranged on two sides of the main body module.
8. The tool-less demountable electrical modular unit of claim 1, wherein: the movable block and the fixed block are both in a trapezoidal structure.
9. A watch band using the tool-less detachably mountable modular unit according to any one of claims 1 to 8, characterized in that: the connecting boss at the front end of each module unit is matched and fixedly connected in the limiting groove of the previous module unit through a connecting pin shaft and a connecting shaft hole; the dial plate of the watch is provided with an initial installation boss, the initial installation boss is provided with a connection shaft hole, and the limiting grooves of the module units positioned at the rearmost ends in the plurality of module units are mutually matched with the connection shaft hole through connecting pin shafts and are limited to be inserted into the initial installation boss.
10. A watch band using the tool-less detachably mountable modular unit according to any one of claims 1 to 8, characterized in that: the belt body is provided with a limiting groove at the end part, and a connecting boss of the module unit is inserted in the limiting groove at the end part of the belt body in a limiting way; the dial plate of the watch is provided with an initial installation boss, the initial installation boss is provided with a connection shaft hole, and the limiting groove of the module unit is mutually matched with the connection shaft hole through a connection pin shaft and is inserted on the initial installation boss in a limiting manner.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202123391648.0U CN216534127U (en) | 2021-12-29 | 2021-12-29 | Module unit capable of being disassembled and assembled without tool and watchband using same |
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| CN202123391648.0U CN216534127U (en) | 2021-12-29 | 2021-12-29 | Module unit capable of being disassembled and assembled without tool and watchband using same |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114209136A (en) * | 2021-12-29 | 2022-03-22 | 东莞市拓新动力科技有限公司 | Module unit capable of being disassembled and assembled without tool and watchband using module unit |
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2021
- 2021-12-29 CN CN202123391648.0U patent/CN216534127U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114209136A (en) * | 2021-12-29 | 2022-03-22 | 东莞市拓新动力科技有限公司 | Module unit capable of being disassembled and assembled without tool and watchband using module unit |
| CN114209136B (en) * | 2021-12-29 | 2024-05-14 | 东莞市拓新动力科技有限公司 | Module unit for tool-free disassembly and installation and watchband using module unit |
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