CN204347450U - A kind of wrist-watch - Google Patents

Abstract

The utility model provides a watch, which includes a watch body, a watch strap and a connecting piece. Bosses are arranged on both ends of the watch body, and card holes are arranged on the bosses. Hard inserts are built in the connecting end of the watch strap. It has a mounting groove that matches the boss; the bottom wall of the hard insert is provided with a first through hole, and the bottom surface of the strap is provided with a second through hole; the boss is inserted into the mounting groove, and the connector clips It is arranged in the first through hole and the card hole to connect the strap and the watch body as a whole. The connecting piece is clamped in the first through hole and the clamping hole, so that the hard insert and the boss are clamped together, and then the watch body and the strap are connected as a whole. When disassembling, you only need to pull the connecting piece from the bottom surface of the watchband. The structure is simple and easy to operate, which greatly facilitates the disassembly and replacement of the watch strap, and the watch strap is assembled more tightly, which effectively prevents the watch strap from loosening.

Description

a watch

technical field

The utility model relates to a watch, in particular to a watch whose strap is reliably connected to a watch body and which is convenient to disassemble.

Background technique

In traditional mechanical watches and electronic watches, lugs are generally used to connect the watch body and the strap. Raw ear is a professional term in the watch industry. Its structural form is shown in Figure 1. The whole is a stepped shaft, and the thin shaft sections at both ends are retractable. The assembly sequence for connecting the strap to the main body of the watch is: 1. Put the raw lug 1 into the through hole on the connecting end of the strap 2, and the thin shafts at both ends of the raw lug are exposed; 2. Tilt the strap 2, put the raw Put the thin shaft section at one end of the ear 1 into the shaft hole on one side of the watch body 3; 3. Compress the thin shaft section at the other end of the raw ear 1, and turn the strap 2 so that the raw ear 1 is aligned with the other side of the watch body 3 4. Loosen the thin shaft section at the other end of the raw ear 1 so that it snaps into the shaft hole. After the strap is connected to the main body of the watch, the structure of the watch is shown in Figure 2. When disassembling, you need to use a special tool for the raw ear, press the tip of the raw ear against the step of the thin shaft section at one end of a certain raw ear, and pull out the strap at the same time.

Because the raw lugs used in this method are metal parts, which are engaged with the main body of the watch, which is also a metal part, the assembly is firm and reliable, and it is not easy to loosen. When the watch strap needs to be replaced due to damage or other reasons, a special tool must be used for the earrings. On the one hand, ordinary users do not have this tool, and on the other hand, it is difficult to operate. Because the end of the earrings is very thin, it is easy to be scratched if it is not operated properly. The watch body may even hurt the user; secondly, due to the flexible connection, there must be a large fit gap between the raw lugs and the main shaft hole of the watch, resulting in loose assembly, random movement of the strap, poor user experience, and It is a metal part, which will be corroded by the user's sweat after long-term wearing.

Therefore, urgently need to design a kind of strap and watch main body to be connected reliably, the wristwatch of easy dismounting, and watch strap and watch main body are assembled closely, and watch strap is difficult for loosening.

Contents of the invention

The utility model provides a watch, which solves the problems that the watch strap in the prior art is not easy to replace and assemble, and the watch strap is not tightly assembled and easy to move. The utility model makes the disassembly of the watch strap more convenient and fast, and the assembly is tight. Effectively avoid the problem of loose strap when wearing the watch. In order to achieve the purpose of solving the above technical problems, the utility model adopts the following technical solutions to achieve: a watch, including a watch body, a watch strap and a connecting piece connecting the watch body and the watch strap; both ends of the watch body are provided with There is a boss extending outward, and the boss is provided with a card hole through its thickness direction, and a hard insert is built in the connecting end of the strap, and the hard insert has a A mounting groove that matches the platform; the bottom wall of the hard insert is provided with a first through hole corresponding to the card hole, and the bottom surface of the strap is provided with a The second through hole; the boss is inserted into the installation groove, and the connecting piece is clamped in the first through hole and the clamping hole to connect the strap and the watch body as a whole.

In the technical solution of the utility model, the following additional technical features are also included:

The connector includes a buckle part, a stopper part and a constricted part where one end is fixed to the buckle part and the other end is fixed to the stopper part. The bottom wall of the hard insert is fixed with a A limiting piece at one end of the hole, the limiting piece is clamped at the constricted portion of the connecting piece, and the stopping portion abuts against the outer surface of the bottom wall of the hard insert.

There is an escape space between the stopper portion and the first through hole.

The buckle part of the connector is cylindrical, and there is a guide groove on the outer surface of the cylinder wall, and a guide rib matching the guide groove is correspondingly provided on the hole wall of the boss. The ribs snap into the guide grooves.

The number of guide ribs on the locking hole is greater than the number of guide grooves on the buckle portion.

The stop part is located in the second through hole, and its outer surface is flush with the bottom surface of the strap.

The length direction of the guide groove is parallel to the central axis of the cylindrical buckle part, and correspondingly, the guide rib is arranged along the thickness direction of the boss.

The boss is located at the center of the end face of the watch body, and is integrally formed with the watch body.

Both the watch body and the boss are in the shape of an upward convex arc extending along the circumference of the watch.

The boss is a wedge-shaped platform whose outer end longitudinal sectional area is smaller than the inner end longitudinal sectional area.

Compared with the prior art, the utility model has the following advantages and positive effects: by setting bosses on both ends of the watch body, a hard insert is built in the connection end of the strap, and the hard insert has a The installation groove of the platform is matched with the installation, and the boss is inserted into the installation groove. At the same time, the connecting piece is clamped on the first through hole of the hard insert and the clamping hole on the boss, so that the connecting piece connects the hard insert to the mounting hole. The buckle of the boss is integrated, so that the strap and the watch body are connected as a whole; when disassembling, you only need to pull out the connecting piece from the bottom of the strap. The structure is simple and easy to operate, which greatly facilitates the disassembly and replacement of the strap. , and the use of connectors to make the strap assembly more tightly, effectively preventing the strap from loosening.

Description of drawings

Fig. 1 is the structural diagram of the raw ear used for connecting the strap and the watch main body in the prior art;

Fig. 2 is the structural diagram of watch in the prior art;

Fig. 3 is the overall structural diagram of a kind of watch of the present utility model;

Figure 4 is an exploded view of Figure 3;

Fig. 5 is a schematic structural view of a connector in an embodiment of the present invention;

Fig. 6 is a structural schematic diagram of the connection between the watch body and the watch strap on one side of the utility model embodiment (connectors are not installed);

Fig. 7 is the A-A direction sectional view of Fig. 6;

Fig. 8 is a structural schematic diagram of the connection between the watch body and one side of the watch strap of the embodiment of the present invention (initial stage of connecting piece installation);

Fig. 9 is a B-B direction sectional view of Fig. 8;

Fig. 10 is a C-C cross-sectional view of Fig. 8;

Figure 11 is a schematic diagram of the structure of the connection between the watch body and one side of the watch strap of the embodiment of the present invention (the connector is finally installed in place);

Fig. 12 is a sectional view taken along line D-D of Fig. 11 .

Detailed ways

The technical solution of the present utility model will be further described in detail below in conjunction with the accompanying drawings and specific embodiments.

First of all, a brief description of the orientation words involved in this specific embodiment: In this embodiment, the direction toward the center of the watch body is "inward", and the direction away from the center of the watch body is "outward". The surface of the body and the strap that is in contact with the wearing part is the "bottom surface", and the opposite surface is the "top surface".

With reference to Fig. 3 to Fig. 12, the embodiment of a kind of wristwatch of the present invention, it comprises watch body 10, strap 20 and the connector 30 that connects watch body 10 and strap 20, and the both ends of watch body 10 are all provided with The boss 11 extending outward (that is, extending to the place where the corresponding side strap 20 is located) is provided with a card hole 12 passing through the thickness direction of the boss 11. In order to ensure wearing comfort, the strap 20 is usually made of soft Made of high-quality materials, in order to ensure the reliability of its connection with the watch body 10, a hard insert 21 is built into the connection end of the strap 20. The hard insert 21 is preferably made of plastic material, which has strong corrosion resistance and will not be damaged due to use. Those who wear it for a long time will be corroded by sweat or oxidized by air, etc., and can be bonded or riveted together with the watch strap 20. The hard insert 21 has a mounting groove 22 that is compatible with the boss 11; At the same time, the bottom wall of the hard insert 21 is provided with a first through hole 23 corresponding to the card hole 12, and correspondingly, the bottom surface of the strap 20 is provided with a second through hole 24 exposing the first through hole 23. The boss 11 is inserted in the installation groove 22, the connector 30 is clamped in the first through hole 23 and the clamping hole 12, and the hard insert 21 and the boss 11 are clamped together, so that the strap 20 and the watch body 10 connections.

Further, as shown in FIG. 5 , the connector 30 includes a hook portion 31 , a stopper portion 32 and a constricted portion 33 whose one end is fixed to the hook portion 31 and the other end is fixed to the stopper portion 32 . The cross-sectional contour dimensions are all smaller than the cross-sectional contour dimensions of the hook portion 31 and the cross-sectional contour dimension of the stopper portion 32. In this embodiment, the connecting piece 30 is an integral injection molding structure; There is a stopper 25 located at one end of the first through hole 23. As shown in FIG. After being set in place, as shown in FIG. 12 , the limiting piece 25 is clamped at the constricted portion 33 of the connector 30 , and the stop portion 32 abuts against the outer surface of the bottom wall of the hard insert 21 . Adopting the connector with the constricted portion 33, and cooperating with the limit piece 25 on the hard insert 20, the connector 30 can be limited in the up and down direction, preventing the connector 30 from moving downwards and causing the strap 20 to be in contact with the watch. Body 10 connection failure, at the same time prevent the connecting piece 30 from moving upwards to be fully embedded in the card hole 12 and cause the strap 20 to be difficult to disassemble. Operation part when removing the strap 20.

Further, when the connecting piece 30 is locked in place, there is an avoidance space 40 between the stopper portion 32 and the first through hole 23, so that it is convenient for fingers or tools to operate the stopper portion 32 to pull out the connecting piece 30 with fingers or tools. Contact one end of the stopper portion 32, and then apply force to pull out.

Specifically, in this embodiment, the buckle portion 31 of the connector 30 is cylindrical, that is, the interior is hollow, and has a guide groove 311 on its outer surface. The matched guide ribs 13 are engaged with the guide ribs 13 and the guide grooves 311 to realize the clamping connection between the connecting piece 30 and the boss 11 . The cylindrical buckle part 31 is prone to elastic deformation, which is convenient for it to be inserted into the card hole 12 to realize the cooperation between the guide rib 13 and the guide groove 311. According to the principle of force interaction, the elastic deformation of the buckle part 31 will make it tight. Stick it on the hole wall of the card hole 12 to prevent loosening of the joint between the strap 20 and the watch body 10 . Of course, the buckle portion 31 may also be in other shapes, such as directly in the shape of a hook or a claw.

Further, as shown in FIG. 5 , the buckle portion 31 is preferably in the shape of an oblate cylinder, which is more conducive to elastic deformation. Shaped cylindrical wall portion constitutes 313, and guide groove 311 is arranged on the outer surface of two flat cylindrical wall portions 312, and two are all set on the outer surface of each flat cylindrical wall portion 312; Correspondingly, the clamping holes 12, The first through hole 23 and the second through hole 24 are oblate holes, and the guide ribs 13 are correspondingly arranged on the two planar hole walls of the clamping hole 12 .

Specifically, when installing the connecting piece 30, firstly, it is clamped in the first through hole 23 from the other end of the first through hole 23 opposite to the stop piece 25 under the cooperation and guidance of the guide groove 311 and the guide rib 13. Hole 23 and card hole 12, as shown in Figure 8 to Figure 10, and then toggle the connecting piece 30 to the side where the limiting piece 25 is located (the direction of the arrow shown in Figure 9 is the toggle direction of the connecting piece 30) to make it move toward The limit piece 25 is moved until the limit piece 25 is clamped at the constriction portion 33 of the connector 30, the buckle portion 31 is located in the clamp hole 12, and the stop portion 32 is against the bottom wall of the hard insert 21 On the side, as shown in Figure 11 and Figure 12; during the toggle process, the buckle part 31 is elastically extruded and deformed, so that the guide groove 311 is separated from the guide rib 13 that was matched at the initial stage of the clamping, and finally meets the limit piece. If the guide rib 13 at the end where 25 is located is engaged, the guide rib 13 at the other end that does not engage with the guide groove 311 can limit the connecting piece 30 in the left and right directions, preventing the limit piece 25 from breaking away from the constriction portion 33, further The clamping force of the connecting piece 30 is improved to prevent it from falling off.

Based on the above technical solution, optionally, the length direction of the guide groove 311 is parallel to the central axis of the cylindrical buckle part 31, and accordingly, the guide rib 13 is arranged along the thickness direction of the boss 11, that is, the guide groove 311, the guide rib 13 The extension direction of the length of the connecting piece 30 is in the same direction as the clamping direction of the connector 30, then during the clamping process of the clamping part 31 and the clamping hole 12, the guide groove 311 and the guide rib 13 in the above-mentioned extending direction can clamp the clamping part 31 to the clamping direction. When the hole 12 is inserted, it plays a guiding role, so that the buckle part 31 can be smoothly locked in place, and the connection efficiency can be improved.

Preferably, the boss 11 is located at the center of the end surface of the watch body 10, and the two bosses 11 are arranged symmetrically, and are integrally formed with the watch body 10 to simplify the molding structure and improve production efficiency, as shown in FIG. 4 .

In order to ensure the overall circular streamline shape of the watch, both the watch body 10 and the boss 11 are preferably in the shape of an upward convex arc extending along the circumference of the watch, as shown in FIG. 4 .

Further, also as shown in FIG. 4 , on the basis of an upward convex arc, the longitudinal cross-sectional area of the outer end of the boss 11 is smaller than the longitudinal cross-sectional area of the inner end. When it is inside, it can play a guiding role, and the longitudinal cross-sectional area of the inner end is large, which can also ensure the firmness of the boss 11 on the watch body 10 .

Since the stopper 32 of the connector 30 is the operating part when disassembling the strap 20, it must be exposed, because it abuts against the outer surface of the bottom wall of the hard insert 21, that is, on the wearing surface of the watch, In order to improve wearing comfort, the stopper 32 should be prevented from protruding outwards and hurting the wearing part of the human body. The bottom surface is flat, and the wearing comfort is good.

The above embodiments are only used to illustrate the technical solutions of the present utility model, and are not intended to limit it; although the utility model has been described in detail with reference to the foregoing embodiments, for those of ordinary skill in the art, the aforementioned implementation can still be carried out. The technical solutions described in the examples are modified, or some of the technical features are equivalently replaced; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the spirit and scope of the technical solutions claimed by the utility model.

Claims (10)

1. A watch, comprising a watch body, a watch strap and a connector connecting the watch strap and the watch body, characterized in that: both ends of the watch body are provided with outwardly extending bosses, and on the bosses There is a card hole penetrating in its thickness direction, and a hard insert is built in the connection end of the watch strap, and the hard insert has a mounting groove that matches the boss; the hard insert The bottom wall of the piece is provided with a first through hole corresponding to the card hole, and the bottom surface of the strap is provided with a second through hole exposing the first through hole; the boss is inserted into the In the installation groove, the connecting piece is clamped in the first through hole and the clamping hole to connect the strap and the watch body as a whole. 2. The watch according to claim 1, characterized in that: the connecting piece comprises a buckle portion, a stopper portion and a constricted portion where one end is fixed to the buckle portion and the other end is fixedly connected to the stopper portion, and the hard The bottom wall of the insert is fixed with a limiting piece located at one end of the first through hole, the limiting piece is clamped at the constricted portion of the connecting piece, and the stopping portion abuts against the on the outer side of the bottom wall of the hard insert. 3. The watch according to claim 2, characterized in that there is an escape space between the stopper portion and the first through hole. 4. The watch according to claim 1, characterized in that: the buckle part of the connecting piece is cylindrical, and there is a guide groove on the outer surface of the cylinder wall, and the wall of the locking hole of the boss is correspondingly provided with A guide rib adapted to the guide groove, the guide rib snapped into the guide groove. 5. The watch according to claim 4, characterized in that the number of guide ribs on the locking hole is greater than the number of guide grooves on the buckle portion. 6. The watch according to claim 2 or 3, wherein the stopper is located in the second through hole, and its outer surface is flush with the bottom surface of the strap. 7. The watch according to claim 4 or 5, characterized in that: the longitudinal direction of the guide groove is parallel to the central axis of the cylindrical buckle part, and correspondingly, the guide ribs Thickness direction settings. 8. The watch according to any one of claims 1 to 5, wherein the boss is located at the center of the end face of the watch body, and is integrally formed with the watch body. 9. The watch according to any one of claims 1 to 5, characterized in that: both the watch body and the boss are in the shape of an upward convex arc extending along the circumference of the watch. 10. The watch according to any one of claims 1 to 5, characterized in that: the boss is a wedge-shaped platform whose longitudinal cross-sectional area at the outer end is smaller than the longitudinal cross-sectional area at the inner end.