CN212517000U - Rotary key and wearable device with same - Google Patents

Abstract

The utility model discloses a rotary key, which comprises a keycap and a barrel, wherein the barrel is fixedly connected with an equipment shell, the keycap is rotatably connected with the barrel and can linearly move relative to the barrel to press down or lift up; the key cap has the assembly groove, and the top of busan pipe is located the assembly groove, and is provided with the colloid lantern ring between the lateral wall of busan pipe and the inside wall of assembly groove, and the colloid lantern ring is provided with the clearance of predetermineeing apart from another one in the lateral wall of busan pipe and the inside wall of assembly groove fixed connection. This rotatory button even the key cap takes place to rock at the rotation in-process, because the rubber sheathed tube exists the abnormal sound that has avoided direct contact and cause between the metalwork, has promoted user experience. And through the size in the clearance is predetermine in control, can reduce rocking when the key cap rotates. The utility model also discloses a wearable equipment of having this rotary button has above-mentioned technological effect equally.

Description

Rotary key and wearable device with same

Technical Field

The utility model relates to an electronic equipment technical field, more specifically say, relate to a rotatory button and have this wearable equipment of rotatory button.

Background

With the development of science and technology, people have more and more requirements on the functions of electronic equipment. Taking wearable devices such as watches, bracelets, etc. as examples, keys are usually provided to implement different functions. The button generally includes the key cap and with key cap complex barrel, barrel fixes in wearable equipment's casing mounting hole department, the key cap can be relative barrel rectilinear movement to realize pressing down the function. A spring is arranged between the keycap and the barrel to provide restoring force for the keycap to be lifted upwards and reset after being pressed down.

In order to integrate more functions into the key, the key cap can be rotatably connected with the barrel, and the key cap is rotated relative to the barrel to realize corresponding functions. However, the keycap is easy to shake in the rotation process so as to contact with the bus bar, and the keycap and the bus bar are generally metal pieces, so that damping force generated by friction is large, abnormal sound is easy to generate by shaking, and user experience is poor when the keycap rotates.

To sum up, how to effectively solve the problem that the keycap is easy to generate abnormal sound when rotating so that the user experience is poor and the like is a problem to be solved by the technical personnel in the field at present.

SUMMERY OF THE UTILITY MODEL

In view of this, the first objective of the present invention is to provide a rotary key, which can effectively solve the problem of poor user experience caused by abnormal sound generated when the key cap rotates, and the second objective of the present invention is to provide a wearable device comprising the above rotary key.

In order to achieve the first object, the present invention provides the following technical solutions:

a rotary key comprises a keycap and a barrel, wherein the barrel is fixedly connected with an equipment shell, and the keycap is rotatably connected with the barrel and can linearly move relative to the barrel to press down or lift up; the key cap has an assembly groove, the top of busan pipe is located the assembly groove, just the lateral wall of busan pipe with be provided with the colloid lantern ring between the inside wall of assembly groove, the colloid lantern ring with the lateral wall of busan pipe with one fixed connection in the inside wall of assembly groove, and be provided with apart from the other and predetermine the clearance.

Preferably, in the above rotary key, the rubber collar is a smooth plastic collar.

Preferably, in the above rotary key, the rubber collar is a polyetheretherketone collar or a polyoxymethylene collar.

Preferably, in the above rotary key, a side area of the smooth plastic collar fixed to the outer sidewall of the barrel or the inner sidewall of the assembly groove is larger than a top end area of the opposite side.

Preferably, in the above rotary key, the preset gap is in a range of 0 to 0.03 mm.

Preferably, in the above rotary key, the colloid collar is in interference fit with the outer side wall of the barrel, and the preset gap is provided between the outer wall of the colloid collar and the side wall of the assembling groove.

Preferably, in the above rotary key, a reset elastic member for driving the key cap to reset after the key cap linearly moves relative to the barrel is disposed between the key cap and the barrel, a smooth gasket is disposed on an end surface of the key cap contacting the reset elastic member, and a smooth gasket is disposed on an end surface of the barrel contacting the reset elastic member.

Preferably, in the above-mentioned rotary key, the outer side wall of the bottom end of the barrel is provided with a thread to match with a threaded hole on the device shell.

Preferably, in the above-mentioned rotary key, the key cap has a key rod, a barrel through hole through which the key rod passes is formed in the center of the barrel, a flange for abutting against the bottom surface of the barrel to limit the lifting limit of the key cap is connected to the bottom end of the key rod, a sealing ring is extruded between the key rod and the barrel through hole, and a shell sealing gasket for sealing with the device shell is arranged on the barrel.

The utility model provides a rotatory button includes key cap and pipe. The key cap is rotatably connected with the barrel and can linearly move relative to the barrel to press down or lift up; the key cap has the assembly groove, and the top of busan pipe is located the assembly groove, and is provided with the colloid lantern ring between the lateral wall of busan pipe and the inside wall of assembly groove, and the colloid lantern ring is provided with the preset clearance apart from another person with one fixed connection in busan pipe and the key cap.

Use the utility model provides a rotary key, the key cap can be the pipe rotation and linear motion relatively, when external force acts on the key cap and makes it rotate for the pipe of a bus, the relative top of pipe of the assembly groove of key cap is rotatory, because be provided with the colloid lantern ring between the lateral wall of pipe of a bus and the inside wall of assembly groove, and the colloid lantern ring with a fixed connection in pipe of a bus and the key cap, use the colloid lantern ring to be fixed in the outside of a bus for example, it can be along with the pipe of a bus keeps static, the inside wall of assembly groove and the colloid lantern ring have between predetermine the clearance, the event can realize the key cap rotation, then the assembly groove of key cap rotates for the colloid lantern ring relatively. Even the keycap rocks in the rotating process, abnormal sound caused by direct contact between metal pieces is avoided due to the existence of the colloid sleeve, and user experience is improved. And through the size in the clearance is predetermine in control, can reduce rocking when the key cap rotates. The action principle when the colloid lantern ring is fixed in the inner side wall of the assembling groove of the keycap is the same as that described above, and the description is omitted here.

In order to achieve the second objective, the present invention further provides a wearable device, which includes any one of the above-mentioned rotary keys. Since the above-mentioned rotary key has the above-mentioned technical effects, the wearable device having the rotary key should also have corresponding technical effects.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic structural diagram of a rotary key according to an embodiment of the present invention;

FIG. 2 is an enlarged partial schematic view of FIG. 1;

fig. 3 is a schematic cross-sectional view of a wearable device.

The drawings are numbered as follows:

keycap 1, smooth gasket 2, colloid lantern ring 3, reset elastic piece 4, key rod 5, shell sealing gasket 6, barrel 7, snap spring 8, sealing ring 9 and equipment shell 10.

Detailed Description

The embodiment of the utility model discloses rotatory button to produce the abnormal sound when avoiding the key cap rotatory.

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-2, fig. 1 is a schematic structural diagram of a rotary key according to an embodiment of the present invention; fig. 2 is a partially enlarged schematic view of fig. 1.

In one embodiment, the present invention provides a rotary key comprising a key cap 1 and a barrel 7.

The boom 7 is used for being fixedly connected with the equipment housing 10, and the specific fixing manner of the boom 7 and the equipment housing 10 is not limited in detail here. The barrel 7 is matched with the keycap 1, and the shape of the barrel can be correspondingly set according to the shape of the keycap 1.

The key cap 1 is rotatably connected with the barrel 7 and can move in a straight line relative to the barrel 7 to be pressed or lifted. I.e. the key cap 1 can be used both as a key and as a knob. When the rotary key is applied to devices such as wearable equipment, corresponding functions can be realized through the rotation, pressing or lifting of the keycap 1. For example, a certain function is triggered when the keycap 1 rotates, or a certain function is triggered when the keycap 1 is pressed down. For how to sense the rotation of the key cap 1 and trigger the corresponding function according to the rotation, and how to sense the pressing down of the key cap 1 and trigger the corresponding function according to the pressing down, the corresponding structural arrangement of the common rotary key can be referred to, and is not specific here.

The key cap 1 has an assembly groove in which the top end of the barrel 7 is located. In arranging the assembly groove in on the top of bara pipe 7, key cap 1 outward appearance is more clean and tidy, and when this rotary key was applied to wearable equipment, bara pipe 7 can not expose, and in the time of the structure is clean and tidy, key cap 1 can play the guard action to bara pipe 7, has reduced entering such as dust.

Be provided with the colloid lantern ring 3 between the lateral wall of barrel 7 and the inside wall of assembly groove, colloid lantern ring 3 and barrel 7 and key cap 1 one of them fixed connection, and be provided with apart from another and predetermine the clearance. That is under the condition, the colloid lantern ring 3 is fixed in the lateral wall of busan pipe 7, and is provided with apart from the inside wall of mounting groove and predetermines the clearance, and the inner wall that is exactly the colloid lantern ring 3 is fixed in the lateral wall of busan pipe 7, and the outer wall of the colloid lantern ring 3 is provided with apart from the inside wall of mounting groove and predetermines the clearance, so sets up, and the assembly is comparatively convenient. Under another kind of condition, the colloid lantern ring 3 is fixed in the inside wall of assembly groove, and is provided with preset clearance apart from the lateral wall of baguan 7, and the outer wall that is exactly the colloid lantern ring 3 is fixed in the inside wall of assembly groove, and the inner wall of colloid lantern ring 3 is provided with preset clearance apart from the lateral wall of baguan 7. It should be noted that the preset gap herein includes both a gap larger than zero and a case where the gap is zero.

The fixed connection of the colloid lantern ring 3 and the outer side wall of the bartube 7 or the inner side wall of the assembly groove can adopt interference fit, the fixation is reliable, the structure is simple, and fastening parts such as screws do not need to be arranged independently. The rubber collar 3 and the outer side wall of the barrel 7 or the inner side wall of the assembly groove can also adopt other conventional fixed connection modes such as bonding and the like according to requirements. Specifically, the colloid lantern ring 3 is installed corresponding to the middle position of the assembling groove, so that the problems of eccentricity and shaking during rotation of the keycap 1 are reduced.

Use the utility model provides a rotary key, key cap 1 can be relative the barrel 7 rotation and linear motion, when external force acts on key cap 1 and makes it rotate for barrel 7, the relative barrel 7's of assembly groove of key cap 1 top is rotatory, because be provided with the colloid lantern ring 3 between the lateral wall of barrel 7 and the inside wall of assembly groove, and the colloid lantern ring 3 with barrel 7 and key cap 1 in one fixed connection, use the colloid lantern ring 3 to be fixed in barrel 7 outer as an example, it can keep static along with barrel 7, the clearance is predetermine to have between the inside wall of assembly groove and the colloid lantern ring 3, so can realize key cap 1 and rotate, then the assembly groove of key cap 1 rotates for the colloid lantern ring 3. Even key cap 1 takes place to rock at the rotation in-process, because the abnormal sound that direct contact caused between the metalwork has been avoided in the existence of colloid sleeve pipe, has promoted user experience. And through the size in the clearance is predetermine in control, can reduce rocking when key cap 1 rotates. The action principle of the colloid lantern ring 3 fixed on the inner side wall of the assembling groove of the key cap 1 is the same as that described above, and the description is omitted here.

Specifically, the colloid lantern ring 3 is a smooth plastic lantern ring. Adopt the smooth plastic lantern ring in surface, then when key cap 1 is rotatory for the pipe 7, keep apart metal material key cap 1 and metal material pipe 7 and reduce the abnormal sound, because its surface is smooth, even the contact has also reduced the impedance when key cap 1 is rotatory, and then has promoted the feeling of rotatory key cap 1 of user.

Further, the rubber collar 3 is a Polyetheretherketone (PEEK) collar or a Polyoxymethylene (POM) collar. The polyetheretherketone has good self-lubricating property, so that the impedance of the keycap 1 during rotation can be better reduced. The polyformaldehyde has good wear resistance and elasticity, and can well play a role in reducing shaking and avoiding abnormal sound. The rubber collar 3 is not limited to the above polyether ether ketone and polyoxymethylene, and other material having a smooth surface may be used as needed.

In order to further reduce the impedance of the keycap 1 during rotation, the area of one side of the smooth plastic lantern ring fixed with the outer side wall of the barrel 7 or the inner side wall of the assembling groove is larger than that of the top end of the opposite side. Namely, the side of the smooth plastic lantern ring fixed with one of the outer side wall of the barrel 7 and the inner side wall of the assembly groove has larger area, thereby ensuring the reliability of fixed connection. The opposite end face at the other side, namely the end face of the smooth plastic lantern ring which is possibly contacted with the other side, has a smaller area, so that the contact area is smaller, and the impedance when the key cap 1 rotates is further reduced. Taking the smooth plastic sleeve ring and the outer side wall of the barrel 7 as an example, the top end of the other opposite side forms the end surface of the preset gap for the smooth plastic sleeve ring and the inner side wall of the assembling groove, and the area of the end surface is smaller than the area of the contact surface between the smooth plastic sleeve ring and the outer side wall of the barrel 7. Specifically, the smooth plastic collar is thick along the axial one end of the keycap 1 and thin along the other end, so as to form the area relation.

Specifically, the range of the preset gap is 0-0.03 mm. If the clearance is preset for 0.01mm, 0.02mm or 0.03mm if setting up, it both can play the effect that prevents key cap 1 and rock, and error such as satisfying the assembly that can be fine.

In each of the above embodiments, a reset elastic member 4 for driving the key cap 1 to reset after the key cap 1 moves linearly relative to the barrel 7 is disposed between the key cap 1 and the barrel 7, a smooth gasket 2 is disposed on the end surface of the key cap 1 contacting the reset elastic member 4, and a smooth gasket 2 is disposed on the end surface of the barrel 7 contacting the reset elastic member 4. Be provided with elastic component 4 that resets between key cap 1 and the busan pipe 7, when external force acted on key cap 1 and made its relative busa pipe 7 rectilinear movement, elastic component 4 that resets warp, and behind external force release key cap 1, key cap 1 can be at the automatic re-setting under elastic component 4's that resets effect. Specifically, the elastic return element 4 may be a compression elastic element for pushing the key cap 1 to lift. Reset elastic component 4 and do not directly contact with key cap 1 and baguan 7, when key cap 1 rotates for baguan 7, smooth gasket 2 has reduced on the one hand and has reset the frictional force between elastic component 4, has further reduced frictional resistance to promote the user and feel. And the smooth gasket 2 can also avoid abnormal sound generated by collision of the reset elastic piece 4 and the keycap 1 or the barrel 7. The body-smoothing pad 2 may be a smooth plastic pad.

In the above embodiments, the outer side wall of the bottom end of the barrel 7 has a screw thread to match with a screw hole on the device housing 10. The baton pipe 7 is directly in threaded fit with the equipment shell 10, is convenient to assemble, can play a waterproof role while guaranteeing the connection stability through threaded fit, and improves the waterproof performance of the rotary key.

On the basis of the above embodiments, the key cap 1 has the key rod 5, the center of the barrel 7 has a barrel through hole for the key rod 5 to pass through, and the bottom end of the key rod 5 is connected with a flange for abutting against the bottom surface of the barrel 7 to limit the lifting limit of the key cap 1. That is, the key cap 1 is rotatably connected with the barrel 7 through the key rod 5, and the flange is arranged at the bottom end of the key rod 5, so that the key cap 1 is limited in the connection state with the barrel 7 and cannot be separated, and the arrangement of the flange does not affect the pressing of the key cap 1. Specifically, the flange is a snap spring 8, that is, a groove is formed in the bottom end of the key lever 5, and the snap spring 8 is installed in the groove. Through the setting of jump ring 8, restricted the limit position that shifts up of key cap 1, prevent that key cap 1 from deviating from.

Specifically, a sealing ring 9 is extruded between the key rod 5 and the barrel through hole. Through the setting of sealing washer 9, realized the waterproof between button pole 5 and the pipe 7. Specifically, be provided with the mounting groove on the outer wall of key pole 5, sealing washer 9 sets up in the mounting groove, and the thickness of sealing washer 9 is greater than the degree of depth of mounting groove to can closely laminate with the pipe 7 of being good at and seal. In order to ensure the sealing effect, two sealing rings 9 can be arranged.

Further, a housing gasket 6 for sealing with the apparatus housing 10 is provided on the barrel 7. That is to say the water-tightness between the bar pipe 7 and the device housing 10 is achieved by the housing gasket 6. The housing gasket 6 may be a rubber gasket. By the aid of the waterproof structure, the waterproof grade can reach 5 ATM. Specifically, the barrel 7 has a stepped surface that abuts against an end surface of the equipment housing 10, and the housing seal 6 is pressed between the stepped surface and the end surface of the equipment housing 10. The end face of the specific equipment shell 10 is provided with a sealing gasket groove, the shell sealing gasket 6 is placed in the sealing gasket groove, the thickness of the shell sealing gasket 6 is larger than the depth of the sealing gasket groove, and therefore the shell sealing gasket 6 can be tightly attached to the step face of the pipe 7 to seal.

The assembly of the rotary key is described below in a specific embodiment. Specifically can overlap sealing washer 9 on key lever 5 earlier, put sealed 6 of casing at equipment housing 10, screw up with the screwdriver with ba guan 7 on equipment housing 10, ba guan 7 extrusion casing is sealed 6 and is realized casing and ba guan 7 waterproof when screwing up ba guan 7, put smooth gasket 2 to inside at ba guan 7, and smooth gasket 2 is established to the cover on key lever 5 of key cap 1, will reset elastic component 4 if the spring housing is on key lever 5, stretch into ba guan tong downthehole with key lever 5, fix jump ring 8 on key lever 5at last, the both ends of spring offset with smooth gasket 2 respectively, accomplish the equipment of rotatory button.

Based on the rotary key that provides in the above-mentioned embodiment, the utility model also provides a wearable equipment, this wearable equipment includes arbitrary rotary key in the above-mentioned embodiment. Since the wearable device employs the rotary key in the above embodiments, please refer to the above embodiments for the beneficial effects of the wearable device. The wearable device may specifically be a watch or a bracelet, and the rotary key may specifically be disposed on a sidewall of the wearable device housing 10, as shown in fig. 3 (fig. 1 corresponds to a schematic diagram of a portion a of fig. 3), the device housing 10 may specifically be an upper shell.

The embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other.

The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims (10)

1. A rotary key comprises a key cap (1) and a barrel (7), wherein the barrel (7) is fixedly connected with an equipment shell (10), the key cap (1) is rotatably connected with the barrel (7) and can move linearly relative to the barrel (7) to press down or lift up; the key cap is characterized in that the key cap (1) is provided with an assembly groove, the top end of the barrel (7) is positioned in the assembly groove, a colloid lantern ring (3) is arranged between the outer side wall of the barrel (7) and the inner side wall of the assembly groove, the colloid lantern ring (3) is fixedly connected with one of the outer side wall of the barrel (7) and the inner side wall of the assembly groove, and a preset gap is arranged between the colloid lantern ring and the inner side wall of the assembly groove.

2. The rotary key of claim 1, wherein the gum collar (3) is a smooth plastic collar.

3. The rotary key according to claim 2, characterized in that the gum collar (3) is a polyetheretherketone collar or a polyoxymethylene collar.

4. The rotary key according to claim 2, characterized in that the smooth plastic collar has a larger area of one side fixed to the outer side wall of the barrel (7) or the inner side wall of the fitting groove than the area of the top end of the opposite side.

5. The rotary key of claim 1, wherein the predetermined gap is in a range of 0-0.03 mm.

6. The rotary key of claim 1, wherein the rubber collar (3) is in interference fit with the outer side wall of the barrel (7), and the preset gap is formed between the outer wall of the rubber collar (3) and the side wall of the assembling groove.

7. The rotary key according to any one of claims 1 to 6, wherein a return elastic member (4) for driving the key cap (1) to return after the key cap (1) linearly moves relative to the barrel (7) is arranged between the key cap (1) and the barrel (7), a smooth gasket (2) is arranged on the end surface of the key cap (1) contacting with the return elastic member (4), and a smooth gasket (2) is arranged on the end surface of the barrel (7) contacting with the return elastic member (4).

8. Rotary key according to any of claims 1-6, characterized in that the bottom end outside wall of the barrel (7) is threaded to cooperate with a threaded hole in the device housing (10).

9. The rotary key according to any one of claims 1-6, wherein the key cap (1) has a key rod (5), the center of the barrel (7) has a barrel through hole for the key rod (5) to pass through, the bottom end of the key rod (5) is connected with a flange for abutting against the bottom surface of the barrel (7) to limit the lifting limit of the key cap (1), a sealing ring (9) is squeezed between the key rod (5) and the barrel through hole, and a shell sealing gasket (6) for sealing with the device shell (10) is arranged on the barrel (7).

10. A wearable device comprising a device housing (10), characterized in that it further comprises a rotary key according to any of claims 1-9.

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