CN212088621U

CN212088621U - Desk with adjustable

Info

Publication number: CN212088621U
Application number: CN202020621033.9U
Authority: CN
Inventors: 钟华胜
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-04-23
Filing date: 2020-04-23
Publication date: 2020-12-08
Anticipated expiration: 2030-04-23

Abstract

The utility model discloses an adjustable desk, including desk board, receiver, slide bar, slide cartridge and support backing plate, the receiver is fixed to be set up in the middle part of the lower surface of desk board, the slide bar symmetric distribution is at the lower surface both ends of desk board, the slide cartridge slip cap is established at the surface lower extreme of slide bar, the support backing plate is fixed to be set up at the lower extreme of slide cartridge, the surface of slide bar vertically sets up the pinhole of even interval distribution, the fixed bar box that is provided with between two slide cartridges, the inside of bar box is provided with two connecting rods, the surface slip cap of connecting rod is equipped with spacing ring and second reset spring; through designing the bar box, close the knob that rotates the external gear axle head soon, be connected through the meshing of external gear and two racks, can control the cooperation of round pin pole and pinhole, realize the altitude mixture control and the quick fixation of desk, make its student that is fit for different heights use, the accommodation process need not to operate through the spanner, and can adjust by alone, and is simple convenient.

Description

Desk with adjustable

Technical Field

The utility model belongs to the technical field of teaching aid, concretely relates to desk with adjustable.

Background

The desk is a desk for writing or reading, and in the middle of teaching activities, the desk is a necessary learning tool for students, and the traditional desk is of a wood structure, cannot be adjusted in height and is gradually replaced by an iron desk with adjustable height.

Although the existing adjustable desk has the height-adjustable function, the existing adjustable desk is generally connected through bolts and can be adjusted only by a wrench, and parts of the desk are connected through buckles.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a desk with adjustable to solve the current desk with adjustable that proposes in the above-mentioned background art, but there is the height-adjusting of current desk, nevertheless generally adopts bolt fixed connection, needs the spanner just can adjust, and the part adopts the buckle to connect, nevertheless in order to ensure stability, both sides respectively are provided with a buckle, need alone to open the buckle, and another person adjusts the desk height, adjusts the comparatively troublesome problem of operation.

In order to achieve the above object, the utility model provides a following technical scheme: an adjustable desk comprises a desk board, a storage box, slide rods, slide cylinders and a support base plate, wherein the storage box is fixedly arranged in the middle of the lower surface of the desk board, the slide rods are symmetrically distributed at two ends of the lower surface of the desk board, the slide cylinders are slidably sleeved at the lower ends of the outer surfaces of the slide rods, the support base plate is fixedly arranged at the lower ends of the slide cylinders, pin holes which are uniformly distributed at intervals are longitudinally formed in the outer surfaces of the slide rods, a strip-shaped box is fixedly arranged between the two slide cylinders, two connecting rods are arranged inside the strip-shaped box, a limiting ring and a second reset spring are slidably sleeved on the outer surfaces of the connecting rods, the limiting ring is fixedly connected with the strip-shaped box, slide blocks are fixedly arranged at two ends of the connecting rods, pin rods are fixedly arranged on the outer surface of one side of the slide block, the pin rods penetrate through the slide cylinders, the middle part of the strip-shaped box is rotatably provided with an outer gear through a rotating shaft, the outer gear is meshed with the two racks, a gear shaft of the outer gear rotatably penetrates through the outer surface of the strip-shaped box, and a knob is fixedly arranged at the end part of the extending end.

Preferably, the strip-shaped box is fixedly connected with the two opening boxes through screws, and the limiting ring consists of two semicircular rings.

Preferably, the inner bottom surface of the sliding cylinder is embedded with a first return spring, and the upper end and the lower end of the first return spring are respectively tightly pressed with the sliding rod and the sliding cylinder.

Preferably, the corners of receiver set up to circular arc chamfer, and the interior bottom surface of receiver is provided with the non-slip raised, the open end edge of non-slip raised and receiver is parallel to each other.

Preferably, the sliding cylinder is an elliptic cylinder, the sliding rod is an elliptic rod, and the outer surface of the sliding rod is longitudinally provided with a strip-shaped groove.

Preferably, the rear surface of receiver is fixed with the business card frid through the glue bonding, the business card frid is the transparent frid of ya keli.

Preferably, a schoolbag hook is fixedly arranged at one end of the lower surface of the desk plate, and a hook of the schoolbag hook faces inwards.

Compared with the prior art, the beneficial effects of the utility model are that:

(1) through designing the bar box, close the knob that rotates the external gear axle head soon, be connected through the meshing of external gear and two racks, can control the cooperation of round pin pole and pinhole, realize the altitude mixture control and the quick fixation of desk, make its student that is fit for different heights use, the accommodation process need not to operate through the spanner, and can adjust by alone, and is simple convenient.

(2) Through designing first reset spring, easily desk obtains adjusting, improves its security simultaneously, sets up non-slip raised, prevents that the inside article of receiver from dropping, sets up the business card frid, is convenient for insert the card that has student's information, sets up the schoolbag couple, is convenient for hang the schoolbag on desk.

Drawings

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

FIG. 2 is the internal structure view of the strip-shaped box and the slide cylinder of the present invention;

FIG. 3 is a rear view of the desk of the present invention;

FIG. 4 is a side view of the slide bar and slide cylinder of the present invention;

FIG. 5 is a top cross-sectional view of the slide bar and slide barrel of the present invention;

in the figure: 1. a desk board; 2. a storage box; 3. a slide bar; 4. a strip box; 5. a slide cylinder; 6. a support pad; 7. a schoolbag hook; 8. anti-skid projections; 9. a pin rod; 10. a first return spring; 11. a limiting ring; 12. a slider; 13. a rack; 14. an outer gear; 15. a connecting rod; 16. a second return spring; 17. a business card slot plate; 18. a strip-shaped groove.

Detailed Description

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.

Examples

Referring to fig. 1-5, the present invention provides a technical solution: an adjustable desk comprises a desk board 1, a storage box 2, slide rods 3, slide cylinders 5 and a support base plate 6, wherein the storage box 2 is welded and fixed in the middle of the lower surface of the desk board 1, the slide rods 3 are symmetrically distributed at two ends of the lower surface of the desk board 1, the slide rods 3 are fixedly connected with the desk board 1 through screws, the slide cylinders 5 are slidably sleeved at the lower ends of the outer surfaces of the slide rods 3, the support base plate 6 is fixedly arranged at the lower ends of the slide cylinders 5 through screws, pin holes are longitudinally formed in the outer surface of the slide rods 3 and are uniformly distributed at intervals, a strip-shaped box 4 is fixedly arranged between the two slide cylinders 5 through screws, two connecting rods 15 are arranged inside the strip-shaped box 4, a limit ring 11 and a second reset spring 16 are slidably sleeved on the outer surface of each connecting rod 15, the limit ring 11 is fixedly connected with the strip-shaped box 4, the strip-shaped box 4, the production equipment of the desk of being convenient for, the both ends welded fastening of connecting rod 15 has slider 12, slider 12 and bar box 4 sliding fit, the surface welded fastening of one side slider 12 has pin 9, pin 9 runs through slide cartridge 5 and cooperatees with the pinhole of slide bar 3 surface, the surface welded fastening of opposite side slider 12 has rack 13, the middle part of bar box 4 is rotated through the pivot and is provided with outer gear 14, outer gear 14 meshes with two rack 13 mutually, the gear shaft of outer gear 14 rotates the surface that runs through bar box 4, and stretch out the end fixing and be provided with the knob, this knob is located the rear surface of bar box 4, can avoid student's foot to play bar box 4 and cause the knob to damage.

In this embodiment, the first return spring 10 is embedded in the inner bottom surface of the sliding barrel 5, the upper end and the lower end of the first return spring 10 are respectively pressed against the sliding rod 3 and the sliding barrel 5, and the first return spring 10 is arranged to offset and balance the weight of the desk to a certain extent, so that the desk is easy to adjust.

In this embodiment, the corner of receiver 2 sets up to circular arc chamfer, and the interior bottom surface of receiver 2 is provided with non-slip raised 8, and non-slip raised 8 is parallel to each other with the open end edge of receiver 2, sets up non-slip raised 8, prevents to a certain extent that learning tools such as books that receiver 2 inside was deposited from dropping.

In this embodiment, the sliding cylinder 5 is an elliptical cylinder, the sliding rod 3 is an elliptical rod, the outer surface of the sliding rod 3 is longitudinally provided with a strip-shaped groove 18, the sliding cylinder 5 and the sliding rod 3 with the cross sections in an elliptical structure are arranged, so that the sliding cylinder 5 and the sliding rod 3 have the stability of smooth round rods and square rods, and the strip-shaped groove 18 is arranged, so that the abrasion between the pin rod 9 and the sliding rod 3 can be avoided to a certain extent, and the desk is easy to adjust in height.

In this embodiment, the rear surface of receiver 2 is fixed with business card frid 17 through the glue bonding, and business card frid 17 is the transparent frid of ya keli, but the inside information card of direct observation through the transparent frid of ya keli.

In this embodiment, the lower surface one end of desk board 1 is fixed and is provided with schoolbag couple 7, and the crotch of schoolbag couple 7 is inwards, sets up schoolbag couple 7, and the hanging of the schoolbag of being convenient for is fixed.

The utility model discloses a theory of operation and use flow: by arranging the strip-shaped box 4, the second return spring 16 pushes the sliding block 12 to move towards two ends of the strip-shaped box 4 in a static state, so that the pin rod 9 is matched with the pin hole, the sliding rod 3 and the sliding cylinder 5 are fixed, when the height of a desk needs to be adjusted and controlled, the knob at the shaft end of the external gear 14 is screwed, the external gear 14 is driven to rotate through the knob, the external gear 14 is meshed and connected with the two racks 13, the tooth surfaces of the two racks 13 are opposite, therefore, the sliding blocks 12 driving the two ends are slidably drawn close to the middle of the strip-shaped box 4 until the pin rod 9 is disengaged from the pin hole in the outer surface of the sliding rod 3, the desk plate 1 can be pushed up or pressed down at the moment, the height of the desk plate 1 is controlled to be suitable for students with different heights, the adjusting process does not need to be operated through a;

set up first reset spring 10, carry out certain counterbalance to the weight of desk, easily adjust, and can prevent that the desk from unexpected gliding, improve its security, set up business card frid 17, be convenient for put into business card frid 17 with the form of card with the student information that every desk corresponds, make things convenient for know the understanding each other between the teacher and the student, and the student seeks the seat number that corresponds fast when making things convenient for the examination, set up schoolbag couple 7, be convenient for hang the schoolbag on desk, and the crotch of schoolbag couple 7 inwards, can prevent to cause the scratch.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a desk with adjustable, includes desk board (1), receiver (2), slide bar (3), slide cartridge (5) and support backing plate (6), receiver (2) are fixed to be set up at the lower surface middle part of desk board (1), slide bar (3) symmetric distribution is at the lower surface both ends of desk board (1), slide cartridge (5) slip cap is established at the surface lower extreme of slide bar (3), support backing plate (6) fixed lower extreme that sets up in slide cartridge (5), its characterized in that: the outer surface of the sliding rod (3) is longitudinally provided with pin holes which are uniformly distributed at intervals, a strip-shaped box (4) is fixedly arranged between two sliding cylinders (5), two connecting rods (15) are arranged in the strip-shaped box (4), the outer surface of each connecting rod (15) is slidably sleeved with a limiting ring (11) and a second reset spring (16), the limiting rings (11) are fixedly connected with the strip-shaped box (4), the two ends of each connecting rod (15) are fixedly provided with a sliding block (12), the outer surface of each sliding block (12) on one side is fixedly provided with a pin rod (9), the pin rods (9) penetrate through the sliding cylinders (5) and are matched with the pin holes on the outer surface of the sliding rods (3), the outer surface of the sliding block (12) on the other side is fixedly provided with a rack (13), the middle part of the strip-shaped box (4) is rotatably provided with an outer gear (14) through a rotating shaft, and the, the gear shaft of the external gear (14) rotatably penetrates through the outer surface of the bar-shaped box (4), and the end part of the extending end is fixedly provided with a knob.

2. An adjustable desk as claimed in claim 1, wherein: the strip-shaped box (4) is fixedly connected with two opening boxes through screws, and the limiting ring (11) consists of two semicircular rings.

3. An adjustable desk as claimed in claim 1, wherein: a first return spring (10) is embedded in the inner bottom surface of the sliding barrel (5), and the upper end and the lower end of the first return spring (10) are respectively tightly pressed with the sliding rod (3) and the sliding barrel (5).

4. An adjustable desk as claimed in claim 1, wherein: the corner of receiver (2) sets up to circular arc chamfer, and the interior bottom surface of receiver (2) is provided with non-slip raised (8), non-slip raised (8) are parallel to each other with the open end edge of receiver (2).

5. An adjustable desk as claimed in claim 1, wherein: the sliding cylinder (5) is an elliptic cylinder, the sliding rod (3) is an elliptic rod, and a strip-shaped groove (18) is longitudinally formed in the outer surface of the sliding rod (3).

6. An adjustable desk as claimed in claim 1, wherein: the rear surface of receiver (2) is fixed with business card frid (17) through the glue bonding, business card frid (17) are the transparent frid of ya keli.

7. An adjustable desk as claimed in claim 1, wherein: a schoolbag hook (7) is fixedly arranged at one end of the lower surface of the desk plate (1), and a hook of the schoolbag hook (7) faces inwards.