CN214795880U

CN214795880U - Keyboard handrail with adjustable

Info

Publication number: CN214795880U
Application number: CN202120996149.5U
Authority: CN
Inventors: 杨锐
Original assignee: Dongguan Hongrui Packaging Materials Co ltd
Current assignee: Dongguan Hongrui Packaging Materials Co ltd
Priority date: 2021-05-11
Filing date: 2021-05-11
Publication date: 2021-11-19
Anticipated expiration: 2031-05-11

Abstract

The utility model relates to a keyboard handrail with adjustable. The technical scheme is as follows: comprises a sliding base, a shaft sleeve, a lifting shaft and a hand rest; the sliding base comprises a base body, a circular groove is formed in the bottom of the base body, the center of the upper surface of the base body is fixedly connected with the bottom of the shaft sleeve, a spring is arranged at the bottom of an inner hole of the shaft sleeve, a counter bore is formed in the upper portion of the side wall of the shaft sleeve, the bottom of the counter bore is fixedly connected with one end of a tension spring, the tension spring is sleeved on a pin, the other end of the tension spring is fixedly connected with the pin head, a lifting shaft is sleeved in the shaft sleeve, a circular counter bore is formed in the upper portion of the lifting shaft, the circular counter bore is connected with an excircle of a bearing in an interference fit mode, a rotating shaft is sleeved on the inner ring of the bearing, the upper portion of the rotating shaft is in threaded connection with the bottom of the hand support, the hand support comprises a fixing ring, and the top of the fixing ring is fixedly connected with a tray. The utility model has the advantages that: the height is adjustable, the rotating angle is adjustable, the position is adjustable, and the handrails are effectively improved in handfeel and comfort.

Description

Keyboard handrail with adjustable

Technical Field

The utility model belongs to keyboard peripheral hardware field relates to a keyboard handrail with adjustable.

Background

At present, people can not leave computers at work or life and entertainment, almost all the people need to contact with a computer keyboard every day, the keyboard is used for a long time, if no effective supporting and protecting equipment is available, unsmooth blood circulation of hands is easily caused, joint problems such as aching pain and stiffness of wrist joints are caused, the health of arms can be seriously affected for a long time, the phenomenon is commonly called as 'mouse hands', therefore, along with the occurrence of the wrist health problems of people, the keyboard handrail is produced by transportation, the keyboard handrail can effectively support muscle tension and joint stiffness caused by hanging of a small arm due to the fact that a palm is put on the keyboard, most of the existing keyboard handrails are long strip-shaped supporting plates designed by imitating the keyboard, only the requirement of supporting the arms in the air can be met, the arm tension cannot be well relieved, the comfortable feeling during typing is improved, meanwhile, the types of the keyboard are different, the thickness of the adjustable keyboard handrail is also various, and the traditional keyboard handrail can not meet the requirement at all, so the utility model provides an adjustable keyboard handrail, which adopts a sliding base to realize the flexible movement of the whole handrail device on a desktop, meets the requirement of flexibly adjusting the position when a user operates the keyboard, and improves the following handedness; the height of the lifting shaft is adjusted, so that the handrail can be matched with keyboards with different thicknesses, and the adaptability and the universality of the handrail are enhanced; simultaneously, the arbitrary rotational design between tray and the lift axle can satisfy the user when operating keyboard, because the demand of typing and adjusting the arm gesture promotes arm and keyboard between the travelling comfort of angular adjustment, and in addition, the tray adopts ventilative silica gel material, and is close skin comfortable, effectively relaxs the arm muscle of support position, promotes the whole use impression of this handrail.

SUMMERY OF THE UTILITY MODEL

In view of the problems in the prior art, the utility model discloses an adjustable keyboard handrail, which adopts the technical proposal that the adjustable keyboard handrail comprises a sliding base, a shaft sleeve, a lifting shaft and a hand support; the sliding base comprises a base body, a circular groove is formed in the bottom of the base body, 6 ball holes are uniformly formed in the circumference of the inner surface of the circular groove, balls are arranged in the ball holes, the circular groove is in threaded connection with a bottom cover, part of the balls are exposed at the bottom of the bottom cover to be in contact with a desktop, and the whole handrail can move along with the movement of a human hand during typing so as to move along with an arm, so that the whole process of lifting the arm during the keyboard using process of a user is guaranteed, the lifting experience and the effect are improved, the center of the upper surface of the base body is fixedly connected with the bottom of a shaft sleeve, a spring is arranged at the bottom of an inner hole of the shaft sleeve, a counter bore is formed in the upper portion of the side wall of the shaft sleeve, the bottom of the counter bore is fixedly connected with one end of a tension spring, the tension spring is sleeved on a pin, the other end of the tension spring is fixedly connected with the pin head, and the design is adopted, the tension spring can pull the pin to enable one end of the pin to pass through the side wall of the shaft sleeve under a natural state, thereby effectively play limiting displacement, the lift axle sleeve dress is in the axle sleeve, circular heavy groove is seted up on lift axle upper portion, circular heavy groove is connected with bearing excircle interference fit, bearing inner ring suit pivot, pivot upper portion with hand rest bottom threaded connection, the hand rest is including solid fixed ring, gu fixed ring top fixed connection tray, through the cooperation of pivot and bearing, can realize the hand rest rotates angle of adjustment at will according to the posture adjustment of user's arm, further promotes the lifting of hand rest and experiences and experience.

As an optimized scheme of the utility model, 6 round holes are evenly seted up to bottom surface circumference, the round hole with the bulb hole is coaxial, the ball with the bulb hole round hole sliding connection.

As the utility model discloses a preferred scheme, the round hole diameter is less than the ball diameter, the design is guaranteed like this the ball remains throughout at the pivoted in-process in the ball hole.

As a preferred scheme of the utility model, the rectangle spout is seted up to axle sleeve inside wall left and right sides symmetry, the rectangle spout runs through the axle sleeve lateral wall is from top to bottom.

As a preferred scheme of the utility model, spacing hole is evenly seted up from top to bottom to the lift axle lateral wall, lift axle lateral wall left and right sides fixed connection rectangle lug.

As an optimized scheme of the utility model, the lift axle with the axle sleeve passes through the rectangle lug with the rectangle spout slides from top to bottom.

As an optimized scheme of the utility model, the lift axle is in when sliding from top to bottom in the axle sleeve, the pin can correspond and insert in the spacing hole, through the pulling like this the pin with press the lift axle, nimble adjustment the hand rest is apart from the height of desktop to be convenient for match the keyboard of different thickness, promote the support effect of tray.

As a preferred scheme of the utility model, set up the screw in the middle of the solid fixed ring lateral wall with pivot threaded connection, the tray is the U type, and its material is the close skin material of silica gel, and the air vent is evenly seted up on its surface, adopts the close skin material of silica gel, helps promoting user's contact experience, simultaneously, sets up the air vent, reduces the sweat stain that produces with skin contact for a long time, improves user's use and experiences.

The utility model has the advantages that: the sliding base is adopted, so that the whole keyboard handrail device can flexibly move on a desktop, the requirement of flexibly adjusting the position when a user operates the keyboard is met, and the follow-up property is improved; the height of the lifting shaft is adjusted, so that the keyboard handrail can be matched with keyboards with different thicknesses, and the adaptability and the universality of the keyboard handrail are enhanced; simultaneously, the arbitrary rotational design between tray and the lift axle can satisfy the user when operating keyboard, because the demand of typing and adjusting the arm gesture promotes arm and keyboard between the travelling comfort of angular adjustment, and in addition, the tray adopts ventilative silica gel material, and is close skin comfortable, effectively relaxs the arm muscle of support position, promotes the whole use impression of this handrail.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a cross-sectional view of the sliding base of the present invention;

FIG. 3 is a cross-sectional view of the shaft sleeve of the present invention;

fig. 4 is a schematic view of the lifting shaft of the present invention;

fig. 5 is a schematic view of the hand rest of the present invention.

In the figure: 1-sliding base, 2-shaft sleeve, 3-lifting shaft, 4-hand support, 101-seat body, 102-round groove, 103-ball hole, 104-ball, 105-bottom cover, 106-round hole, 201-spring, 202-counter bore, 203-tension spring, 204-pin, 205-rectangular sliding groove, 301-round counter bore, 302-bearing, 303-rotating shaft, 304-limiting hole, 305-rectangular lug, 401-fixing ring, 402-tray, 403-screw hole and 404-vent hole.

Detailed Description

As shown in fig. 1 to 5, the adjustable keyboard armrest of the present invention adopts the technical solution that it comprises a sliding base 1, a shaft sleeve 2, a lifting shaft 3 and a hand support 4.

The bottom of the seat body 101 is provided with a circular groove 102, the circumference of the inner surface of the circular groove 102 is uniformly provided with 6 ball holes 103, balls 104 are arranged in the ball holes 103, the circular groove 102 is in threaded connection with a bottom cover 105, the circumference of the surface of the bottom cover 105 is uniformly provided with 6 round holes 106, and the center of the upper surface of the seat body 101 is fixedly connected with the bottom of the shaft sleeve 2.

2 hole bottoms of axle sleeve set up spring 201, counter bore 202 is seted up on 2 lateral wall upper portions of axle sleeve, counter bore 202 counter bore bottom and extension spring 203 one end fixed connection, extension spring 203 suit is on pin 204, the extension spring 203 other end and round pin nail head fixed connection, rectangle spout 205 is seted up to 2 inside wall left and right sides symmetries of axle sleeve, 2 endotheca of axle sleeve 3.

Circular heavy groove 301 is seted up on 3 upper portions of lift axle, circular heavy groove 301 is connected with bearing 302 excircle interference fit, bearing 302 inner ring suit pivot 303, spacing hole 304 is evenly seted up from top to bottom to 3 lateral walls of lift axle, 3 lateral walls left and right sides fixed connection rectangle lugs 305 of lift axle, pivot 303 upper portion with hand rest 4 bottom threaded connection.

The lifting shaft 3 and the shaft sleeve 2 slide up and down through the rectangular protrusion 305 and the rectangular sliding groove 205.

The hand rest 4 includes solid fixed ring 401, gu fixed ring 401 top fixed connection tray 402, gu set up in the middle of the fixed ring 401 lateral wall screw 403 with pivot 303 threaded connection, tray 402 is the U type, and air vent 404 is evenly seted up on its surface.

The utility model discloses a theory of operation: when the keyboard armrest is used, a small arm at the back of a palm is placed on the tray 402, the palm is placed on a keyboard, the pin 204 is pulled out by the other hand, one end of the pin 204 is separated from the limiting hole 304 on the side wall of the lifting shaft 3, at the moment, under the action of the elastic force of the spring 201, the supported arm can be adjusted to a proper height, then the pin 204 is inserted into the limiting hole 304, after the supporting height of the arm is adjusted, the other hand also adjusts the height of the other keyboard armrest according to the above process, then the two keyboard armrests can be driven by the arm to move at any position on a desktop, and can be rotated to any direction and adjusted at any time according to the posture adjustment of the palm during typing, and the process is the working process of the keyboard armrest.

Electrical connections or structures not described in detail herein are prior art.

Although the present invention has been described in detail with reference to the specific embodiments, the present invention is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present invention within the knowledge range of those skilled in the art, and modifications or variations without creative efforts are still within the scope of the present invention.

Claims

1. An adjustable keyboard armrest, comprising: comprises a sliding base (1), a shaft sleeve (2), a lifting shaft (3) and a hand rest (4); sliding base (1) includes pedestal (101), circular slot (102) is seted up to pedestal (101) bottom, 6 ball hole (103) are evenly seted up to circular slot (102) internal surface circumference, ball hole (103) built-in ball (104), circular slot (102) and bottom (105) threaded connection, pedestal (101) upper surface center fixed connection axle sleeve (2) bottom, axle sleeve (2) hole bottom sets up spring (201), counter bore (202) is seted up on axle sleeve (2) lateral wall upper portion, counter bore (202) counter bore bottom and extension spring (203) one end fixed connection, extension spring (203) suit is on pin (204), extension spring (203) other end and round pin head fixed connection, lift axle (3) suit is in axle sleeve (2), circular heavy groove (301) is seted up on lift axle (3) upper portion, circular heavy groove (301) are connected with bearing (302) excircle interference fit, bearing (302) inner ring suit pivot (303), pivot (303) upper portion with hand rest (4) bottom threaded connection, hand rest (4) are including solid fixed ring (401), gu fixed ring (401) top fixed connection tray (402).

2. An adjustable keyboard arm according to claim 1, wherein: the circumference of the surface of the bottom cover (105) is uniformly provided with 6 round holes (106), the round holes (106) are coaxial with the ball hole (103), and the ball (104) is connected with the ball hole (103) and the round holes (106) in a sliding manner.

3. An adjustable keyboard arm according to claim 2, wherein: the diameter of the round hole (106) is smaller than that of the ball (104).

4. An adjustable keyboard arm according to claim 1, wherein: rectangular sliding grooves (205) are symmetrically formed in the left side and the right side of the inner side wall of the shaft sleeve (2), and the rectangular sliding grooves (205) penetrate through the upper portion and the lower portion of the side wall of the shaft sleeve (2).

5. An adjustable keyboard arm according to claim 4, wherein: limiting holes (304) are uniformly formed in the upper portion and the lower portion of the side wall of the lifting shaft (3), and rectangular lugs (305) are fixedly connected to the left side and the right side of the side wall of the lifting shaft (3).

6. An adjustable keyboard arm according to claim 5, wherein: the lifting shaft (3) and the shaft sleeve (2) slide up and down through the rectangular convex block (305) and the rectangular sliding groove (205).

7. An adjustable keyboard arm according to claim 1, wherein: screw holes (403) are formed in the middle of the side wall of the fixing ring (401) and are in threaded connection with the rotating shaft (303), the tray (402) is U-shaped and made of silica gel skin-friendly materials, and air holes (404) are uniformly formed in the surface of the tray.