CN213780666U

CN213780666U - Exhaust watch crown and watch

Info

Publication number: CN213780666U
Application number: CN202022349282.XU
Authority: CN
Inventors: 马涛; 董伟轩; 张克来; 于克
Original assignee: Tian Wang Electronics Shenzhen Co ltd
Current assignee: Tian Wang Electronics Shenzhen Co ltd
Priority date: 2020-10-20
Filing date: 2020-10-20
Publication date: 2021-07-23
Anticipated expiration: 2030-10-20

Abstract

The application provides an exhaust wrist-watch crown and wrist-watch. The exhaust watch crown comprises a crown cap connected with an exhaust channel of the watch and a one-way automatic exhaust valve; the handle cap is provided with an exhaust hole and an installation cavity which are sequentially communicated along the central axis of the handle cap, the exhaust hole is used for communicating with an exhaust channel of the watch, and the orthographic projection profile of the exhaust hole along the central axis of the exhaust hole is positioned in the wall boundary of the installation cavity; the one-way automatic exhaust valve comprises a sealing ring, a valve core, an elastic piece and an end cover which are coaxially arranged in sequence; the end cover is arranged at one end of the mounting cavity far away from the exhaust hole and is provided with an air outlet hole which is communicated along the central axis of the end cover; the case activity is cup jointed in the installation cavity, and the one end of elastic component is connected in the case, and the other end of elastic component is connected in the end cover, and the sealing ring presss from both sides and locates between the terminal surface of the chamber wall of installation cavity and case. The application provides a few, the simple structure of part quantity of exhaust wrist-watch crown to the reduction that the axis size of case and elastic component can maximize, and then the axis size of whole crown reduces.

Description

Exhaust watch crown and watch

Technical Field

The application belongs to the technical field of wearing equipment, and more specifically relates to an exhaust wrist-watch crown and wrist-watch.

Background

The wristwatch includes a wristwatch that operates in some specific environments and has specific performance, for example, in environments of momentarily high temperature, low temperature, high humidity, etc., such as special working environments in which fire fighters and polar workers are located. The diving watch also comprises a diving watch suitable for diving, when diving, gas dissolved in water, particularly helium can leak into the inside of the watch, the larger the water depth is, the more the leakage is, and the larger the pressure inside the watch is. When the watch leaves water, the gas inside the watch cannot be quickly released to the outside, so that the pressure in the watch is greater than the atmospheric pressure, and the internal pressure can make the watch glass separate from the watch case or break the watch glass.

The prior art discloses a helium discharge structure for diving meter, the discharge structure is including watchcase subassembly and exhaust subassembly, the exhaust subassembly includes the air discharge valve core, the air discharge valve core sets up on the exhaust passage of watchcase subassembly, the air discharge valve core leaves the clearance with exhaust passage's inner wall, be equipped with 2 to 5 first sealing rings on exhaust passage's the inner wall, be equipped with on the air discharge valve core with first sealing ring assorted recess, the air discharge valve core has along deviating from exhaust passage's case extension portion, the head end of case extension portion is equipped with the exhaust knob, the inner wall that case extension portion is close to the head end portion and is equipped with screw thread and exhaust passage is in the internal thread phase-match that deviates from exhaust passage's terminal surface position, 2 to 5 first sealing rings set up on the air discharge valve core, be equipped with first sealing ring assorted recess on exhaust passage's the inner wall. Through proper loosening of the exhaust knob or pressing of the knob, the extrusion degree of the sealing ring can be adjusted, and the effect of safely discharging helium is achieved on the premise of water resistance.

The above prior art has the following technical drawbacks:

firstly, the above prior art relates to a plurality of components, for example, at least two sealing rings are required, and grooves adapted to the plurality of sealing rings are also required to be arranged, so that the components are various and have complex structures, and the internal structure of the watch is complex and the manufacturing cost is high;

secondly, the above-mentioned exhaust valve core related to the prior art has a valve core extension part deviating from the exhaust passage, and the extension part has a certain length along the radial extension of the watchcase, and then needs to occupy a certain watchcase internal space along the radial direction, so that the space inside the watchcase is not utilized fully.

Disclosure of Invention

An object of the embodiment of the application is to provide an exhaust watch crown and a watch, so as to solve the technical problems that a watch exhaust device in the prior art is complex in structure and low in space utilization rate.

In order to achieve the purpose, the technical scheme adopted by the application is as follows: the exhaust watch crown comprises a crown cap connected with an exhaust channel of the watch and a one-way automatic exhaust valve;

the handle cap is provided with an exhaust hole and an installation cavity which are sequentially communicated along the central axis of the handle cap, the exhaust hole is used for communicating with an exhaust channel of the watch, and the orthographic projection profile of the exhaust hole along the central axis of the exhaust hole is positioned in the wall boundary of the installation cavity;

the one-way automatic exhaust valve comprises a sealing ring, a valve core, an elastic piece and an end cover which are coaxially arranged in sequence; the end cover is arranged at one end, far away from the exhaust hole, of the mounting cavity and is provided with an air outlet hole which is communicated along the central axis of the end cover; the valve core is movably sleeved in the installation cavity, one end of the elastic piece is connected with the valve core, the other end of the elastic piece is connected with the end cover, and the sealing ring is clamped between the cavity wall of the installation cavity and the end face of the valve core.

In one embodiment, a part of the cavity wall of the installation cavity, which is opposite to the end cover, is recessed towards the exhaust hole to form a first step, a part of the end surface, which is close to the exhaust hole, of the valve core is raised towards the exhaust hole to form a second step, and the sealing ring is clamped in the first step and the second step.

In one embodiment, the end face of the valve core opposite to the end cover is inwards sunken, and one end of the elastic element is inserted into the sunken part.

In one embodiment, the outer peripheral surface of the valve core comprises an arc surface and a plane which are sequentially connected along the circumferential direction of the valve core, the arc surface is matched with the cavity wall of the installation cavity, and the plane extends from one end surface of the valve core to the other end surface of the valve core.

In one embodiment, the end cap includes a circular cap portion and an annular portion that are coaxially connected; wherein the content of the first and second substances,

the annular portion is sleeved in the installation cavity, the valve core is movably sleeved in the annular portion, the circular cover portion is installed at one end, far away from the exhaust hole, of the installation cavity, and the circular cover portion is provided with the air outlet hole.

In one embodiment, the annular portion is threadably received within the mounting cavity.

In one embodiment, an end surface of the annular portion remote from the disc portion abuts against a wall of the mounting cavity.

In one embodiment, the air outlet hole is a straight hole or a stepped hole.

In one embodiment, the one-way automatic exhaust valve further comprises a connecting screw, and the air outlet hole is a stepped hole;

the air outlet hole comprises a first hole and a second hole which is communicated with the first hole and has a radial size larger than that of the first hole, and the connecting screw is in threaded connection with the second hole.

The application provides an exhaust wrist-watch crown's beneficial effect lies in: compared with the prior art, the one-way automatic exhaust valve of the exhaust watch crown only comprises an end cover, an elastic part, a valve core and a sealing ring, and all functional parts are present in a minimum amount to form the whole exhaust valve.

Install the exhaust wrist-watch crown of this application on the exhaust passage that wrist-watch watchcase subassembly has to the crown of screwing, under special operation environment, when the inside gas pressure of watchcase is greater than the outside gas pressure of watchcase, then the relative installation cavity of the inside high-pressure gas drive valve core of watchcase moves towards the direction at end cover place, and compress the elastic component, the sealing ring loses sealed function this moment, high-pressure gas loops through exhaust hole, the clearance between case and the installation cavity, gas outlet discharge. After the high-pressure gas is exhausted, the elastic part automatically restores to the initial position, the valve core is driven by the elastic force of the elastic part to move towards the direction of the exhaust hole, the sealing ring is clamped again, and then the interior of the watchcase is sealed again.

The application provides an exhaust wrist-watch crown's part is small in quantity, simple structure, equipment convenience to because the design of structure, the reduction that the axis size of case and elastic component can maximize, and then the axis size of whole crown reduces, need not to occupy too much exhaust passage space, and then can improve exhaust passage's space utilization.

It is also an object of the present application to provide a watch comprising a watch case assembly having an exhaust channel, further comprising an exhaust watch crown as described above; wherein the content of the first and second substances,

the crown of the exhaust watch crown is connected to the exhaust passage.

The beneficial effect of the wrist-watch that this application provided compares prior art's beneficial effect with the exhaust wrist-watch crown that this application provided, and this is no longer repeated here.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed to be used in the embodiments or the prior art descriptions will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without inventive exercise.

FIG. 1 is a schematic view of an exhaust watch crown provided in a first embodiment of the present application;

FIG. 2 is a schematic view of an exhaust watch crown provided in a second embodiment of the present application;

FIG. 3 is a schematic end view of a valve cartridge provided in an embodiment of the present application;

FIG. 4 is a left side view of FIG. 3;

fig. 5 is a partial schematic view of an exhaust watch crown according to an embodiment of the present application.

Wherein, in the figures, the respective reference numerals:

1-handle cap; 2-one-way automatic exhaust valve; 3-a watch component; 11-an exhaust hole; 12-a mounting cavity; 21-a sealing ring; 22-a valve core; 23-an elastic member; 24-an end cap; 31-an exhaust channel; 101-a first step; 102-a second gantry; 220-concave; 221-an arc-shaped surface; 222-plane; 241-a circular cover part; 242-an annular portion; 2410-air outlet.

Detailed Description

In order to make the technical problems, technical solutions and advantageous effects to be solved by the present application clearer, the present application is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the present application and are not intended to limit the present application.

It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or be indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or be indirectly connected to the other element.

It will be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like, as used herein, refer to an orientation or positional relationship indicated in the drawings that is solely for the purpose of facilitating the description and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be considered as limiting the present application.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present application, "a plurality" means two or more unless specifically limited otherwise.

The exhaust watch crown provided by the embodiment of the present application will now be described.

Referring to fig. 1, 2 and 5, the exhaust crown of a wristwatch provided by the present application comprises a crown 1 for connection to an exhaust channel 31 of the wristwatch, and a one-way automatic exhaust valve 2.

The handle cap 1 is provided with an exhaust hole 11 and a mounting cavity 12 which are sequentially communicated along the central axis of the handle cap, the exhaust hole 11 is communicated with an exhaust channel 31 of the watch, and the orthographic projection profile of the exhaust hole 11 along the central axis of the exhaust hole is positioned in the cavity wall boundary of the mounting cavity 12.

In this embodiment, the exhaust hole 11 is a circular straight hole, and in other embodiments, the exhaust hole 11 may be a square hole, an elliptical hole, or a stepped hole.

In this embodiment, the mounting cavity 12 is an annular cavity and has an annular peripheral cavity wall, the aperture of the exhaust hole 11 is smaller than the radial dimension of the peripheral cavity wall of the mounting cavity 12, and further, the orthographic projection profile of the exhaust hole 11 along the central axis thereof is located within the cavity wall boundary of the mounting cavity 12, so that a dimension difference exists between the exhaust hole 11 and the peripheral cavity wall along the radial direction, and the part is convenient for clamping the sealing ring 21.

The one-way automatic exhaust valve 2 comprises a sealing ring 21, a valve core 22, an elastic part 23 and an end cover 24 which are coaxially arranged in sequence; the end cover 24 is connected to one end of the mounting cavity 12 far away from the exhaust hole 11, and the end cover 24 is provided with an air outlet 2410 which is communicated along the central axis thereof; the valve core 22 is movably sleeved in the installation cavity 12, one end of the elastic element 23 is connected to the valve core 22, the other end of the elastic element 23 is connected to the end cover 24, and the sealing ring 21 is clamped between the cavity wall of the installation cavity 12 and the end face of the valve core 22, that is, the sealing ring 21 is clamped between the cavity wall and the end face of the valve core 22 due to the size difference.

The exhaust wristwatch crown of the above embodiment comprises only a crown 1, an end cap 24, an elastic member 23, a valve core 22 and a seal ring 21, and the whole crown is constructed by the minimum number of functional parts present.

The exhaust watch crown is arranged on an exhaust channel 21 of a watch case assembly 3 and is screwed, under a special working environment, when the gas pressure inside the watch case is greater than the gas pressure outside the watch case, the valve core 22 is driven by high-pressure gas inside the watch case to move towards the direction of the end cover 24 relative to the mounting cavity 12 and compress the elastic part 23, at the moment, the sealing ring 21 loses the sealing function, and the high-pressure gas is exhausted through the exhaust hole 11, a gap between the valve core 22 and the mounting cavity 12 and the gas outlet 2410 in sequence. After the high-pressure gas is discharged, the elastic element 23 automatically restores the initial position, the valve core 22 is driven by the elastic force of the elastic element 23 to move towards the direction of the exhaust hole 11, and the sealing ring 21 is clamped again, so that the inside of the watch case is sealed again.

The application provides an exhaust wrist-watch crown's part is small in quantity, simple structure, equipment convenience to because the design of structure, the reduction that the axis size of case 22 and elastic component 23 can maximize, and then the axis size of whole crown reduces, need not to occupy too much exhaust passage 31 space, and then can improve exhaust passage 31's space utilization.

As shown in fig. 1 and 2, in one embodiment, a portion of the chamber wall of the mounting chamber 12 opposite the end cap 24 is recessed toward the exhaust port 11 to form a first step 101, and the first step 101 is disposed radially inward. The end surface of the valve core 22 close to the exhaust hole 11 protrudes towards the exhaust hole 11 to form a second step 102, the second step 102 is arranged towards the outside along the radial direction, the first step 101 and the second step 102 are spaced along the radial direction and axially, and the sealing ring 21 is clamped in the first step 101 and the second step 102, so that the sealing ring 21 is more stable, and the sealing ring 21 is not easy to displace when the valve core 22 is far away from the exhaust hole 11.

As shown in fig. 1, 2 and 4, in one embodiment, a recess 220 is formed inward on a portion of the valve core 22 opposite to the end cap 24, and one end of the elastic member 23 is inserted into the recess 220, so that a partial section of the elastic member 23 is located in the recess 220, and the compression and rebound processes of the elastic member 23 are more stable and coaxial with the central axis of the valve core 22.

In one embodiment, as shown in fig. 3, the outer peripheral surface of the valve core 22 includes an arc surface 221 and a flat surface 222, which are sequentially connected along the circumferential direction, the arc surface 221 is adapted to the cavity wall of the installation cavity 12, the valve core 22 moves relative to the installation cavity 12 through the arc surface 221, and the flat surface 222 extends from one end surface of the valve core 22 to the other end surface of the valve core 22, so as to form an air outlet channel, which facilitates the high-pressure gas to reach the other end surface from one end surface of the valve core 22, and further leads out the high-pressure gas.

Of course, the air outlet channel provided in this embodiment is only a specific way. In other embodiments, the outlet channel may be formed by a micro-recess or an arc-shaped recess from the outer periphery of the valve core 22 to the inside of the valve core 22, or by a plurality of narrow elongated grooves, so as to guide the high-pressure gas out.

In one embodiment, the end cap 24 includes a circular cap portion 241 and an annular portion 242 that are coaxially connected; the annular portion 242 is sleeved on the installation cavity 12, the valve core 22 is movably sleeved in the annular portion 242, the circular cover portion 241 is connected to one end, far away from the exhaust hole 11, of the installation cavity 12, and the circular cover portion 241 is provided with an air outlet 2410.

In other embodiments, the valve core 22 can be directly movably sleeved on the peripheral cavity wall of the installation cavity 12, and the valve core 22 is spaced apart from the annular portion 242, so that the valve core 22 has a movable space.

In this embodiment, the annular portion 242 is threaded onto the mounting cavity 12. In other embodiments, the ring portion 242 may be snap-fitted into the mounting cavity 12 by interference fit, or may be snap-fitted by a snap-fit with a protrusion.

In one embodiment, the end surface of the annular portion 242 remote from the disc portion 241 abuts against the wall of the mounting cavity 12, which makes the overall structure more compact.

In one embodiment, the outlet aperture 2410 is a straight aperture or a stepped aperture. In this embodiment, the one-way automatic exhaust valve 2 further comprises a connecting screw, and the air outlet 2410 is a stepped hole; the air outlet 2410 comprises a first hole and a second hole which is communicated with the first hole and has a radial size larger than that of the first hole, the connecting screw is in threaded connection with the second hole, and the air outlet is controlled to be communicated or closed through the connecting screw.

Another object of the present application is also to provide a wristwatch comprising a case assembly 3 having a vent channel 31, as shown in fig. 1 and 2, and also comprising a vented wristwatch crown as above; wherein the crown 1 of the exhaust watch crown is connected to the exhaust channel 31.

The above description is only exemplary of the present application and should not be taken as limiting the present application, as any modification, equivalent replacement, or improvement made within the spirit and principle of the present application should be included in the protection scope of the present application.

Claims

1. An exhaust wrist-watch crown which characterized in that: comprises a handle cap connected with an exhaust passage of the watch and a one-way automatic exhaust valve;

2. The exhaust watch crown of claim 1, wherein: the part of the cavity wall opposite to the end cover on the installation cavity is sunken towards the exhaust hole to form a first step, the part of the end surface, close to the exhaust hole, on the valve core is raised towards the exhaust hole to form a second step, and the sealing ring is clamped in the first step and the second step.

3. The exhaust watch crown of claim 1, wherein: the end face of the part of the valve core, which is opposite to the end cover, is inwards sunken, and one end of the elastic piece is inserted in the sunken part.

4. The exhaust watch crown of claim 1, wherein: the outer peripheral surface of the valve core comprises an arc-shaped surface and a plane which are sequentially connected along the circumferential direction of the valve core, the arc-shaped surface is matched with the cavity wall of the installation cavity, and the plane extends from one end surface of the valve core to the other end surface of the valve core.

5. The exhaust watch crown of claim 1, wherein: the end cap comprises a circular cover part and an annular part which are coaxially connected; wherein the content of the first and second substances,

6. The vented watch crown of claim 5, wherein: the annular part is sleeved in the mounting cavity in a threaded manner.

7. The vented watch crown of claim 5, wherein: the end face, far away from the circular cover portion, of the annular portion abuts against the cavity wall of the installation cavity.

8. The exhaust watch crown of claim 1, wherein: the air outlet hole is a straight hole or a stepped hole.

9. The exhaust watch crown of claim 8, wherein: the one-way automatic exhaust valve also comprises a connecting screw, and the air outlet hole is a stepped hole;

10. A wristwatch including a case assembly having an exhaust passage, characterized in that: further comprising the vented watch crown of any of claims 1-9; wherein the content of the first and second substances,

the crown of the exhaust watch crown is connected to the exhaust passage.