Stable anti-falling quartz watch

Abstract

The utility model relates to the technical field of quartz watches, in particular to a stable anti-falling quartz watch, which comprises a main watchcase, a watchband arranged on the main watchcase, a case inner cavity and an anti-falling screw groove arranged on the main watchcase, an internal thread and a watchcase bottom cover arranged in the case inner cavity, a sinking groove through hole and a protective disc arranged on the watchcase bottom cover, an anti-falling screw pin arranged in the sinking groove through hole, and a protective disc arranged on the protective disc. The anti-disengaging screw pin is provided with a pin cap, the protective disc is provided with external threads and stable elastic columns, the pin cap is provided with an anti-loosening pressing pad, the anti-disengaging screw pin is provided with an arc-shaped inverted face, the arc-shaped inverted face is provided with a first abrasion-resistant layer, the anti-loosening pressing pad is provided with a second abrasion-resistant layer, the pin cap is provided with an inner hexagonal groove, a cross-shaped groove is formed in the inner hexagonal groove, and the meter shell bottom cover is provided with a buckling groove. The stable anti-falling performance between the watchcase bottom cover and the bottom of the main watchcase is improved, and the watchcase bottom cover can be conveniently and rotatably detached from the main watchcase.

Description

Technical Field

[0001] The utility model relates to the technical field of quartz watches, in particular to a stable and anti-falling quartz watch. Background Art

[0002] A quartz watch is a wristwatch that uses the piezoelectric effect of quartz crystals to keep accurate time. A quartz watch is generally composed of a quartz movement base plate, main case, strap, pointer dial, glass lens, and case bottom cover. A quartz movement dial is set on the quartz movement base plate.

[0003] At present, the case bottom cover of existing quartz watches is mostly installed on the bottom of the main case with a snap-on structure. The snap-on installation structure has relatively weak stability and resistance to falling off. If people are not careful, the watch body will fall from a height to the ground, causing the case bottom cover in the snap-on installation state to fall off from the bottom of the main case, and then causing the quartz movement bottom plate in the main case to detach from the case cavity as a whole and leak out, which greatly reduces the stability and resistance between the case bottom cover and the bottom of the main case. Utility Model Content

[0004] The purpose of the utility model is to solve the above-mentioned shortcomings in the prior art and to propose a stable and anti-falling quartz watch.

[0005] In order to achieve the above purpose, the present invention adopts the following technical solutions:

[0006] A stable and anti-falling quartz watch is designed, comprising a main case, a watch strap being provided on the main case, a quartz movement bottom plate being provided in the main case, a case inner cavity and an anti-falling screw groove being provided on the main case, an internal thread and a case bottom cover being provided in the case inner cavity, a recessed through-hole and a protective plate being provided on the case bottom cover, an anti-falling screw pin being provided in the recessed through-hole, a pin cap being provided on the anti-falling screw pin, and an external thread and a stabilizing spring being provided on the protective plate;

[0007] The pin cap is provided with an anti-loosening pressure pad, the anti-screw pin is provided with an arc-shaped inverted surface, the arc-shaped inverted surface is provided with a first anti-wear layer, and the anti-loosening pressure pad is provided with a second anti-wear layer;

[0008] The pin cap is provided with an inner hexagonal groove, a cross groove is provided in the inner hexagonal groove, and the bottom cover of the watch case is provided with a buckle groove.

[0009] Furthermore, the protective disc is threadedly connected to the internal thread via an external thread, and the overall outer diameter of the bottom cover of the watch case is not less than the overall inner diameter of the inner cavity of the case.

[0010] Furthermore, the anti-stripping pin and the anti-stripping groove are a group, with a total of four groups arranged circumferentially. The anti-stripping pin passes through the groove through-hole and is threadably connected to the anti-stripping groove. The pin cap is sunken in the groove through-hole and is not higher than the groove through-hole. The arc-shaped inverted surface is arranged at the left end corner of the anti-stripping pin.

[0011] Furthermore, the stabilizing springs are cylindrical in structure as a whole and are four in a circumferential arrangement, and the stabilizing springs are in compression contact with the bottom plate of the quartz movement.

[0012] Furthermore, the anti-loosening pressure pad has an overall cube-shaped structure and is arranged on the left end surface of the pin cap. The anti-loosening pressure pad is made of NBR nitrile rubber and has a thickness of eighty to ninety microns.

[0013] Furthermore, the buckle groove is an arc-shaped inner groove as a whole and is symmetrically arranged in two pieces. The buckle groove is opened on the right end surface of the bottom cover of the watch case and does not pass through the bottom cover of the watch case.

[0014] Furthermore, the first anti-wear layer is arranged on the left end face of the arc-shaped inverted surface, and the second anti-wear layer is arranged on the left end face of the anti-loosening pressure pad. The first anti-wear layer and the second anti-wear layer are both nickel-iron alloy coatings with a thickness of ten to fifteen microns.

[0015] The utility model provides a stable and anti-falling quartz watch, which has the following beneficial effects:

[0016] 1. The present invention provides a main watch case and a case bottom cover with a threaded connection structure, and provides a stabilizing spring column and an anti-loosening screw structure with an anti-loosening pressure pad on the case bottom cover. This prevents the case bottom cover from falling off from the bottom of the main watch case if the watch body falls from a height to the ground without being noticed, thereby preventing the quartz movement bottom plate in the main watch case from being separated from the inner cavity of the case and leaking out. The invention effectively improves the stability and anti-loosening property between the case bottom cover and the bottom of the main watch case.

[0017] 2. The present invention provides a symmetrical buckle groove structure on the bottom cover of the watch case, so that the bottom cover of the watch case can be easily rotated and removed from the main watch case when maintenance is required. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is an exploded schematic diagram of the overall structure of the utility model;

[0019] Figure 2 It is a three-dimensional schematic diagram of the overall structure of the utility model;

[0020] Figure 3 For the utility model Figure 1 A three-dimensional diagram of the case back;

[0021] Figure 4 For the utility model Figure 3 A partial enlarged view of the M in the middle;

[0022] Figure 5 For the utility model Figure 1 A first-person perspective diagram of the middle anti-slip screw;

[0023] Figure 6 For the utility model Figure 5 A second perspective schematic diagram of the anti-slip screw.

[0024] In the figure: 1 main case; 11 watch strap; 12 quartz movement base plate; 2 case inner cavity; 21 internal thread; 3 anti-slip screw groove; 4 case bottom cover; 41 countersunk perforation; 42 buckle groove; 5 anti-slip screw pin; 51 arc-shaped chamfer; 52 first anti-wear layer; 6 pin cap; 61 hexagonal inner groove; 62 cross groove; 7 protective plate; 71 external thread; 72 stabilizing spring column; 8 anti-loosening pressure pad; 81 second anti-wear layer. DETAILED DESCRIPTION

[0025] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments.

[0026] Reference Figure 1-6 A stable and anti-falling quartz watch comprises a main case 1, a watch strap 11 being provided on the main case 1, a quartz movement bottom plate 12 being provided in the main case 1, a case inner cavity 2 and an anti-falling screw groove 3 being provided on the main case 1, an internal thread 21 being provided in the case inner cavity 2 and a case bottom cover 4, a case bottom cover 4 being provided with a recessed through-hole 41 and a protective plate 7, an anti-falling screw pin 5 being provided in the recessed through-hole 41, a pin cap 6 being provided on the anti-falling screw pin 5, and an external thread 71 and a stabilizing spring 72 being provided on the protective plate 7;

[0027] The pin cap 6 is provided with an anti-loosening pressure pad 8, the anti-screw pin 5 is provided with an arc-shaped inverted surface 51, the arc-shaped inverted surface 51 is provided with a first anti-wear layer 52, and the anti-loosening pressure pad 8 is provided with a second anti-wear layer 81;

[0028] The pin cap 6 is provided with an inner hexagonal slot 61, in which a cross slot 62 is provided. The bottom cover 4 of the watch case is provided with a buckle slot 42, which can be disassembled and assembled by an inner hexagonal wrench or a cross screwdriver, thereby improving flexibility.

[0029] Some of the structures described in this patent are commonly used structures of quartz watches and are prior art. Some existing structures are not drawn and marked and need not be described in detail.

[0030] The protective disc 7 is threadedly connected to the internal thread 21 via an external thread 71 . The protective disc 7 is made of silicone material and is waterproof, dustproof and insulated.

[0031] The overall outer diameter of the bottom cover 4 of the watch case is not less than the overall inner diameter of the case cavity 2 , thereby achieving an overall sealed covering of the case cavity 2 .

[0032] The anti-slip screw pin 5 and the anti-slip screw groove 3 are a group, which are four groups arranged in a circle. The anti-slip screw pin 5 passes through the groove through-hole 41 and is threadedly connected to the anti-slip screw groove 3. The pin cap 6 is sunken in the groove through-hole 41 and is not higher than the groove through-hole 41 to avoid protruding and affecting wearing comfort.

[0033] The arc-shaped inverted surface 51 is provided at the left end corner of the anti-slip pin 5 , so that the anti-slip pin 5 can be smoothly inserted into the recessed through-hole 41 .

[0034] The stabilizing springs 72 are cylindrical in structure and are arranged in a circle. The stabilizing springs 72 are in compression contact with the bottom plate 12 of the quartz movement. The stabilizing springs 72 are made of high-elastic rubber.

[0035] The anti-loosening pressure pad 8 is an overall cube-shaped structure and is arranged on the left end surface of the pin cap 6. The anti-loosening pressure pad 8 is made of NBR nitrile rubber and has a thickness of 80 to 90 microns. NBR nitrile rubber has excellent high elasticity.

[0036] The buckle groove 42 is an arc-shaped inner groove as a whole and is symmetrically arranged. The buckle groove 42 is opened on the right end surface of the case bottom cover 4 and does not pass through the case bottom cover 4. The buckle groove 42 is convenient for two fingers of one hand to dig into and rotate the case bottom cover 4 to achieve the removal of the case bottom cover 4.

[0037] The first anti-wear layer 52 is arranged on the left end face of the arc-shaped inverted surface 51, and the second anti-wear layer 81 is arranged on the left end face of the anti-loosening pressure pad 8. The first anti-wear layer 52 and the second anti-wear layer 81 are both nickel-iron alloy coatings with a thickness of ten to fifteen microns. The nickel-iron alloy coating has excellent wear resistance, which improves the wear resistance and durability of the arc-shaped inverted surface 51 and the anti-loosening pressure pad 8 respectively.

[0038] Working method: During installation, insert your finger into the buckle groove 42 and rotate it clockwise, driving the case bottom cover 4 to rotate clockwise. Through the threaded transmission between the internal thread 21 and the external thread 71, the case bottom cover 4 can be conveniently and stably installed on the main case 1. At the same time, ensure that each groove perforation 41 is aligned with the corresponding anti-slip screw groove 3. At this time, each stabilizing spring 72 will squeeze with the quartz movement bottom plate 12 and generate a rebound force. This rebound force acts on the case bottom cover 4, which can improve the anti-loosening effect of the threads between the internal thread 21 and the external thread 71, and improve the stability and anti-falling performance of the case bottom cover 4.

[0039] Then, the anti-slip screw pin 5 is passed through the sunken groove through-hole 41, and the hexagonal wrench or cross screwdriver is respectively inserted into the hexagonal groove 61 or the cross groove 62 and rotated clockwise, driving the anti-slip screw pin 5 to rotate clockwise and stably lock with the anti-slip screw groove 3 thread. At this time, the anti-loosening pressure pad 8 is squeezed with the inner wall of the sunken groove through-hole 41, and the anti-loosening pressure pad 8 generates a rebound force, which acts on the anti-slip screw pin 5, thereby improving the anti-loosening effect of the thread between the anti-slip screw pin 5 and the anti-slip screw groove 3, thereby improving the stability and anti-falling performance of the watch case bottom cover 4;

[0040] The above operation effectively improves the stability and anti-falling property between the case bottom cover 4 and the bottom of the main case 1, preventing the case bottom cover 4 from falling off from the bottom of the main case 1 when people accidentally drop the watch body from a height to the ground, thereby preventing the quartz movement bottom plate 12 in the main case 1 from detaching from the case cavity 2 as a whole.

[0041] In addition, when maintenance is required, first remove the anti-slip screw 5 with an Allen wrench or a cross screwdriver, then use two fingers of one hand to simultaneously insert into the two buckle grooves 42 and rotate counterclockwise, driving the case bottom cover 4 to rotate counterclockwise. Through the threaded transmission between the internal thread 21 and the external thread 71, the case bottom cover 4 can be easily rotated and removed from the main case 1, so that the relevant structures in the main case 1 can be maintained later.

[0042] The above is only a preferred specific implementation method of the present invention, but the protection scope of the present invention is not limited to this. Any technician familiar with the technical field within the technical scope disclosed by the present invention can make equivalent replacements or changes based on the technical solution and utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A stable and anti-falling quartz watch, comprising a main case (1), characterized in that: The main watch case (1) is provided with a watch strap (11), the main watch case (1) is provided with a quartz movement bottom plate (12), the main watch case (1) is provided with a case inner cavity (2) and an anti-slip screw groove (3), the case inner cavity (2) is provided with an internal thread (21) and a watch case bottom cover (4), the watch case bottom cover (4) is provided with a sunken groove through-hole (41) and a protective plate (7), the sunken groove through-hole (41) is provided with an anti-slip screw pin (5), the anti-slip screw pin (5) is provided with a pin cap (6), and the protective plate (7) is provided with an external thread (71) and a stabilizing spring column (72); The pin cap (6) is provided with an anti-loosening pressure pad (8), the anti-stripping screw pin (5) is provided with an arcuate inverted surface (51), the arcuate inverted surface (51) is provided with a first anti-wear layer (52), and the anti-loosening pressure pad (8) is provided with a second anti-wear layer (81); The pin cap (6) is provided with an inner hexagonal slot (61), a cross slot (62) is provided in the inner hexagonal slot (61), and a buckle slot (42) is provided on the bottom cover (4) of the watch case.

2. A stable and anti-falling quartz watch according to claim 1, characterized in that: The protective disc (7) is threadedly connected to the internal thread (21) via an external thread (71), and the overall outer diameter of the case bottom cover (4) is not less than the overall inner diameter of the case inner cavity (2).

3. The stable and anti-falling quartz watch according to claim 1, characterized in that: The anti-stripping screw pin (5) and the anti-stripping screw groove (3) form a group, which is a total of four groups arranged in a circle. The anti-stripping screw pin (5) passes through the sunken groove through-hole (41) and is threadedly connected to the anti-stripping screw groove (3). The pin cap (6) is sunken in the sunken groove through-hole (41) and is not higher than the sunken groove through-hole (41). The arc-shaped inverted surface (51) is provided at the left end corner of the anti-stripping screw pin (5).

4. The stable and anti-falling quartz watch according to claim 1, characterized in that: The stabilizing spring columns (72) are cylindrical in structure as a whole and are four in a circumferential arrangement. The stabilizing spring columns (72) are in compression contact with the quartz movement bottom plate (12).

5. The stable and anti-falling quartz watch according to claim 1, characterized in that: The anti-loosening pressure pad (8) has an overall cube-shaped structure and is arranged on the left end surface of the pin cap (6). The anti-loosening pressure pad (8) is made of NBR nitrile rubber and has a thickness of eighty to ninety microns.

6. The stable and anti-falling quartz watch according to claim 1, characterized in that: The buckle grooves (42) are arc-shaped inner grooves as a whole and are symmetrically arranged in two. The buckle grooves (42) are opened on the right end surface of the watch case bottom cover (4) and do not pass through the watch case bottom cover (4).

7. The stable and anti-falling quartz watch according to claim 1, characterized in that: The first anti-wear layer (52) is arranged on the left end surface of the arc-shaped inverted surface (51), and the second anti-wear layer (81) is arranged on the left end surface of the anti-loosening pressure pad (8). The first anti-wear layer (52) and the second anti-wear layer (81) are both nickel-iron alloy coatings with a thickness of ten to fifteen microns.

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