CN110928376B

CN110928376B - Rotatable computer machine case

Info

Publication number: CN110928376B
Application number: CN201911129551.7A
Authority: CN
Inventors: 陈志勇; 龙恩; 朱和梁
Original assignee: Leiyang Qixin Electronic Technology Co ltd
Current assignee: Leiyang Qixin Electronic Technology Co ltd
Priority date: 2019-11-18
Filing date: 2019-11-18
Publication date: 2021-08-24
Anticipated expiration: 2039-11-18
Also published as: CN110928376A

Abstract

The invention relates to the technical field of computers, in particular to a rotatable computer case, which can adjust the height of a case body according to the use height of a user, and comprises a base and a case body, wherein the case body is positioned above the base, a connecting sleeve is arranged in the middle of the base, the top end of the connecting sleeve is connected with the middle part of the bottom end of the case body, steel balls are embedded in the outer wall of the connecting sleeve, the steel balls are uniformly embedded in the outer wall of the connecting sleeve, the surface of each steel ball is mutually attached to the inner surface of the base, the connecting sleeve is movably connected with the base under the action of the steel balls, the rotatable computer case also comprises a telescopic fixing pin, a limiting disc is arranged at the bottom end of the case body, the limiting disc and the connecting sleeve are concentrically arranged, the top end of the limiting disc is connected with the side wall of the bottom end of the case body, a plurality of jacks are uniformly distributed on the circumference of the bottom end of the limiting disc, the telescopic fixing pins are respectively arranged at the left side and the right side of the connecting sleeve, and are convenient for limiting the position of the rotated case body, the stability is improved, the influence on the normal use of the box body is reduced, and the use reliability is improved.

Description

Rotatable computer machine case

Technical Field

The invention relates to the technical field of computers, in particular to a rotatable computer case.

Background

As is known, the box body is used as a part of computer accessories and has the main function of placing and fixing each computer accessory to play a role in supporting and protecting, in addition, the computer box body has an important role in shielding electromagnetic radiation, but the box body has higher requirements on the configuration of a computer, in the prior art, the box body can not rotate, under some conditions, the connection between the box body and the computer is not in a relatively proper position, and because the direction of the box body is fixed, the positions of some signal interfaces on the box body are fixed, the direction adjustment cannot be carried out, and the line connection between a computer host and the box body is inconvenient.

Chinese patent No. CN201721658154.5 discloses a rotatable computer case, which is described generally as: including base and box, the box is located the top of base, and the centre of base is provided with the adapter sleeve, and the top of adapter sleeve is connected with the bottom middle part of box, and the outer wall of adapter sleeve is inlayed and is had the steel ball, and the steel ball is evenly inlayed at the outer wall of adapter sleeve, and the surface of steel ball and the internal surface of base are laminated each other, and the adapter sleeve passes through the rotation effect of steel ball, can rotate, and the angle can be adjusted, the convenient wiring with base swing joint under the effect of steel ball.

Although the rotatory problem of box has been solved to above-mentioned patent, make the box rotatory back through the cooperation of steel ball with the adapter sleeve, the position of use after the box is rotatory is not injectd, lead to the box to have more instability in the use, take place to rotate wantonly easily, cause dragging of power cord etc. influence the normal use of box, lead to its use reliability lower, its use height that can not adapt to the user of while, carry out height control to the machine case, lead to its use limitation higher.

Disclosure of Invention

Technical problem to be solved

Aiming at the defects of the prior art, the invention provides the rotatable computer case which is convenient for limiting the position of the rotated case body, improves the stability, reduces the influence on the normal use of the case body, improves the use reliability and can adjust the height of the case body according to the use height of a user.

(II) technical scheme

In order to achieve the purpose, the invention provides the following technical scheme: a rotatable computer case comprises a base and a case body, wherein the case body is positioned above the base, a connecting sleeve is arranged in the middle of the base, the top end of the connecting sleeve is connected with the middle part of the bottom end of the case body, steel balls are inlaid in the outer wall of the connecting sleeve, the surfaces of the steel balls are mutually attached to the inner surface of the base, the connecting sleeve is movably connected with the base under the action of the steel balls, the rotatable computer case also comprises telescopic fixing pins, a limiting disc is arranged at the bottom end of the case body and is concentrically arranged with the connecting sleeve, the top end of the limiting disc is connected with the side wall of the bottom end of the case body, a plurality of jacks are uniformly distributed on the circumference of the bottom end of the limiting disc, the telescopic fixing pins are respectively arranged on the left side and the right side of the connecting sleeve, the telescopic fixing pins comprise a sleeve and a pin column, the bottom end of the, the sheathed tube top is provided with the retainer plate to the hole diameter of retainer plate is less than sheathed tube inside diameter, and the intraductal portion of cover can slide from top to bottom and be provided with the limiting plate, and the bottom middle part of limiting plate with supporting spring's top is connected, the bottom of round pin post from the top of retainer plate pass the retainer plate and stretch into to the intraductal portion of cover and the top middle part of limiting plate is connected, the top of round pin post can insert inside the jack, the inside working chamber that is provided with in bottom of base to the bottom and the external world of working chamber communicate with each other, but the inside longitudinal sliding of working chamber is provided with the support frame to be provided with longitudinal adjusting device between the top of support frame and the top inner.

On the basis of the scheme, the longitudinal adjusting device comprises a rotating shaft, an adjusting shaft, four threaded rods and four threaded pipes, the top ends of the four threaded pipes are respectively rotatably connected with the left front side, the left rear side, the right front side and the right rear side of the inner wall at the top end of the working cavity, the top ends of the four threaded rods are respectively installed inside the bottom ends of the four threaded pipes, the external thread turning directions of the four threaded rods are arranged in the same way, the bottom ends of the four threaded rods are respectively connected with four corner position areas at the top end of the supporting frame, the top end and the bottom end of the rotating shaft are respectively rotatably connected with the middle part of the inner wall at the top end of the working cavity and the middle part of the top end of the supporting frame, the adjusting shaft is transversely positioned on the upper side of the supporting frame, the left end of the adjusting shaft is rotatably connected with the inner wall at the left side of the working cavity, and the right end of the adjusting shaft penetrates through the right side wall of the working cavity and extends out of the right end of the base, the outside upside of four screwed pipes all fixes the cover and is equipped with the ring gear, and the regional fixed cover of upside of pivot is equipped with the drive gear, drives gear and four ring gear engagements, and the middle part of regulating spindle is provided with the worm to the fixed cover of outside downside of pivot is equipped with the worm wheel, worm wheel and worm engagement.

On the basis of the scheme, the longitudinal adjusting device comprises four electric telescopic rods, the top ends of the four electric telescopic rods are respectively connected with the left front side, the left rear side, the right front side and the right rear side of the inner wall of the top end of the working cavity, the bottom ends of the four electric telescopic rods are respectively connected with the four corner position regions on the top end of the supporting frame, a synchronous control switch is arranged on the outer wall of the right end of the base, and the synchronous control switch is electrically connected with the four electric telescopic rods.

Furthermore, an adjusting hand wheel is concentrically arranged at one end of the adjusting shaft positioned outside the base.

The telescopic fixing pin is characterized by further comprising an adjusting ring, the adjusting ring is sleeved on the outer side of the telescopic fixing pin and is concentrically arranged with the connecting sleeve, a strip-shaped sliding groove is formed in the outer wall of one end, far away from the connecting sleeve, of the sleeve along the direction of the sleeve and is communicated with the interior of the sleeve, a sliding rod is longitudinally arranged in the strip-shaped sliding groove in a sliding mode, one end, close to the sliding groove, of the limiting plate at one end of the sliding rod is connected, and the other end of the sliding rod extends out of the sleeve to be connected with the inner wall of the adjusting ring.

The invention further provides that the support frame comprises a support plate and four support legs, and the top ends of the four support legs are respectively connected with the four corner positions of the bottom end of the support plate.

(III) advantageous effects

Compared with the prior art, the invention provides a rotatable computer case, which has the following beneficial effects:

1. this rotatable computer machine case, flexible effect through supporting spring, make the round pin post reciprocate at the intraductal portion of cover, cooperation through retainer plate and limiting plate, prevent that the round pin post from shifting out the sleeve pipe, when the box rotates, push down and move the round pin post, make the top of round pin post extract downwards in the jack is inside, after the box rotates to suitable use position, loosen the round pin post, make the top of round pin post correspond under supporting spring's effect insert to spacing dish bottom pinhole inside can, this structural design is simple, low in cost, convenient operation, be convenient for prescribe a limit to the box position of pairing rotation back, and the stability is improved, reduce the influence to box normal use, and the use reliability is improved.

2. This rotatable computer machine case through vertical adjusting device's setting, makes the support frame can put into or stretch out in the work cavity inside to can be according to user's use height, adjust the support frame and shift out length downwards in the work cavity inside, then adjust the box to the height of suitable use.

Drawings

FIG. 1 is a schematic perspective view of the present invention;

FIG. 2 is a schematic view of the connection structure of the rotating shaft, the adjusting shaft, the threaded rod, the threaded pipe, the gear ring and the like;

FIG. 3 is a schematic view of the connection structure of the support plate, the support leg, the electric telescopic rod and the synchronous control switch according to the present invention;

FIG. 4 is a cross-sectional structural view of the pin, support spring, retainer ring and retainer plate connection of the present invention;

FIG. 5 is an enlarged view of a portion of FIG. 1A;

FIG. 6 is an enlarged view of a portion of FIG. 3B;

FIG. 7 is a schematic bottom view of the limiting plate and the insertion hole of the present invention.

In the figure: 1. a base; 2. a box body; 3. connecting sleeves; 4. steel balls; 5. a confinement plate; 6. a sleeve; 7. a pin; 8. a support spring; 9. a stationary ring; 10. a limiting plate; 11. a rotating shaft; 12. an adjustment shaft; 13. a threaded rod; 14. a threaded pipe; 15. a ring gear; 16. driving the gear; 17. a worm; 18. a worm gear; 19. adjusting a hand wheel; 20. an adjusting ring; 21. a strip-shaped chute; 22. a slide bar; 23. a support plate; 24. supporting legs; 25. an electric telescopic rod; 26. the switches are controlled synchronously.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Example 1:

referring to fig. 1-7, a rotatable computer case comprises a base 1 and a case 2, the case 2 is located above the base 1, a connecting sleeve 3 is arranged in the middle of the base 1, the top end of the connecting sleeve 3 is connected with the middle of the bottom end of the case 2, steel balls 4 are inlaid in the outer wall of the connecting sleeve 3, the steel balls 4 are uniformly inlaid in the outer wall of the connecting sleeve 3, the surface of each steel ball 4 is attached to the inner surface of the base 1, the connecting sleeve 3 is movably connected with the base 1 under the action of the steel balls 4, can rotate through the rotation action of the steel balls 4, can adjust the angle and facilitate wiring, the rotatable computer case further comprises a telescopic fixing pin, a limiting plate 5 is arranged at the bottom end of the case 2, the limiting plate 5 is concentric with the connecting sleeve 3, the top end of the limiting plate 5 is connected with the side wall of the bottom end of the case 2, a plurality of insertion holes are uniformly distributed on the circumference of the bottom end of the limiting plate 5, the telescopic fixing pins are respectively arranged on the left side and the right side of the connecting sleeve 3 and comprise a sleeve 6 and a pin 7, the bottom end of the sleeve 6 is connected with the top end of the base 1, a supporting spring 8 is longitudinally arranged inside the sleeve 6, a fixing ring 9 is arranged at the top end of the sleeve 6, the inner hole diameter of the fixing ring 9 is smaller than that of the sleeve 6, a limiting plate 10 is arranged inside the sleeve 6 in a vertically sliding manner, the middle part of the bottom end of the limiting plate 10 is connected with the top end of the supporting spring 8, the bottom end of the pin 7 penetrates through the fixing ring 9 from the top end of the fixing ring 9 and extends into the sleeve 6 to be connected with the middle part of the top end of the limiting plate 10, the top end of the pin 7 can be inserted into the jack, the pin 7 can move up and down inside the sleeve 6 under the telescopic action of the supporting spring 8, and is matched with the limiting plate 10 through the fixing ring 9, the pin 7 is prevented from moving out of the sleeve 6, when the box body 2 rotates, the pin 7 is pressed downwards to enable the top end of the pin 7 to be pulled out downwards in the jack, after the box body 2 rotates to a proper use position, the pin 7 is loosened to enable the top end of the pin 7 to be correspondingly inserted into the pin hole at the bottom end of the limiting disc under the action of the supporting spring 8, the position of the box body 2 after rotation is limited, a working cavity is arranged inside the bottom end of the base 1, the bottom end of the working cavity is communicated with the outside, a supporting frame can be longitudinally slidably arranged inside the working cavity, a longitudinal adjusting device is arranged between the top end of the supporting frame and the inner wall at the top end of the working cavity, the longitudinal adjusting device comprises a rotating shaft 11, an adjusting shaft 12, four threaded rods 13 and four threaded pipes 14, the top ends of the four threaded pipes 14 are respectively rotatably connected with the left front side, the left rear side, the right front side and the right rear side of the inner wall at the top end of the working cavity, the top ends of the four threaded rods 13 are respectively arranged inside the bottom ends of the four threaded pipes 14, the external threads of the four threaded rods 13 are arranged in the same rotating direction, the bottom ends of the four threaded rods 13 are respectively connected with four corner position areas at the top end of the support frame, the top end and the bottom end of the rotating shaft 11 are respectively rotatably connected with the middle part of the inner wall at the top end of the working cavity and the middle part of the top end of the support frame, the adjusting shaft 12 is transversely arranged on the upper side of the support frame, the left end of the adjusting shaft 12 is rotatably connected with the inner wall at the left side of the working cavity, the right end of the adjusting shaft 12 penetrates through the right side wall of the working cavity and extends out of the right end of the base 1, gear rings 15 are fixedly sleeved on the external upper sides of the four threaded pipes 14, driving gears 16 are fixedly sleeved on the upper side areas of the rotating shaft 11, the driving gears 16 are meshed with the four gear rings 15, and worms 17 are arranged in the middle parts of the adjusting shaft 12, and the fixed cover of the outside downside of pivot 11 is equipped with worm wheel 18, worm wheel 18 and worm 17 meshing, through rotating regulating shaft 12, can make worm 17 rotate, through the meshing between worm 17 and the worm wheel 18, can make pivot 11 rotate, make through the rotation of pivot 11 drive gear 16 and rotate, under the meshing between drive gear 16 and four ring gears 15, make four screwed pipes 14 rotate simultaneously, thereby can make four threaded rods 13 simultaneously screw out downwards in four screwed pipes 14 inside, promote the carriage and move downwards in the work chamber inside, adjust the use height of quick-witted case, the one end that is located base 1 outside regulating shaft 12 is installed with one heart and is adjusted hand wheel 19, convenient to use person rotates regulating shaft 12, convenient operation still includes regulating ring 20, regulating ring 20 suit is in the outside of flexible fixed pin to regulating ring 20 with adapter sleeve 3 sets up with one heart, the outer wall of one end of the sleeve 6, which is far away from the connecting sleeve 3, is provided with a strip-shaped sliding groove 21 along the direction of the sleeve 6, the strip-shaped sliding groove 21 is communicated with the inside of the sleeve 6, a sliding rod is longitudinally arranged in the strip-shaped sliding groove 21 in a sliding manner, one end of the sliding rod is connected with one end, which is close to the sliding groove, of the limiting plate 10, the other end of the sliding rod extends out of the sleeve 6 to be connected with the inner wall of the adjusting ring 20, the adjusting ring 20 is pressed downwards to drive the sliding rod to move downwards along the direction of the sliding groove, so that the limiting plate 10 can be driven to move downwards in the sleeve 6, a limiting pin is conveniently pulled out downwards from the inside of the inserting hole to be used for rotating the use position of the box body 2, the use position of the box body is large in operation and use range and convenient to use through the circumferential design of the adjusting ring 20, the support frame comprises a support plate 23 and four support legs 24, and the top ends of the four support legs 24 are respectively connected with four corner position regions at the bottom end of the support plate 23, the whole weight is reduced, and the stable supporting capability of the supporting frame to the whole body is improved.

Example 2:

referring to fig. 1-7, a rotatable computer case comprises a base 1 and a case 2, the case 2 is located above the base 1, a connecting sleeve 3 is arranged in the middle of the base 1, the top end of the connecting sleeve 3 is connected with the middle of the bottom end of the case 2, steel balls 4 are inlaid in the outer wall of the connecting sleeve 3, the steel balls 4 are uniformly inlaid in the outer wall of the connecting sleeve 3, the surface of each steel ball 4 is attached to the inner surface of the base 1, the connecting sleeve 3 is movably connected with the base 1 under the action of the steel balls 4, can rotate through the rotation action of the steel balls 4, can adjust the angle and facilitate wiring, the rotatable computer case further comprises a telescopic fixing pin, a limiting plate 5 is arranged at the bottom end of the case 2, the limiting plate 5 is concentric with the connecting sleeve 3, the top end of the limiting plate 5 is connected with the side wall of the bottom end of the case 2, a plurality of insertion holes are uniformly distributed on the circumference of the bottom end of the limiting plate 5, the telescopic fixing pins are respectively arranged on the left side and the right side of the connecting sleeve 3 and comprise a sleeve 6 and a pin 7, the bottom end of the sleeve 6 is connected with the top end of the base 1, a supporting spring 8 is longitudinally arranged inside the sleeve 6, a fixing ring 9 is arranged at the top end of the sleeve 6, the inner hole diameter of the fixing ring 9 is smaller than that of the sleeve 6, a limiting plate 10 is arranged inside the sleeve 6 in a vertically sliding manner, the middle part of the bottom end of the limiting plate 10 is connected with the top end of the supporting spring 8, the bottom end of the pin 7 penetrates through the fixing ring 9 from the top end of the fixing ring 9 and extends into the sleeve 6 to be connected with the middle part of the top end of the limiting plate 10, the top end of the pin 7 can be inserted into the jack, the pin 7 can move up and down inside the sleeve 6 under the telescopic action of the supporting spring 8, and is matched with the limiting plate 10 through the fixing ring 9, the pin column 7 is prevented from moving out of the sleeve 6, when the box body 2 rotates, the pin column 7 is pressed downwards to enable the top end of the pin column 7 to be pulled out downwards in the jack, after the box body 2 rotates to a proper use position, the pin column 7 is loosened to enable the top end of the pin column 7 to be correspondingly inserted into the pin hole at the bottom end of the limiting disc under the action of the supporting spring 8, the position of the box body 2 after rotation is limited, a working cavity is arranged inside the bottom end of the base 1, the bottom end of the working cavity is communicated with the outside, a supporting frame is arranged inside the working cavity in a longitudinally sliding mode, a longitudinal adjusting device is arranged between the top end of the supporting frame and the inner wall at the top end of the working cavity, the longitudinal adjusting device comprises four electric telescopic rods, the top ends of the four electric telescopic rods are respectively connected with the left front side, the left rear side, the right front side and the right rear side of the inner wall at the top end of the working cavity, and the bottom ends of the four electric telescopic rods are respectively connected with four corner position regions at the top end of the supporting frame, the outer wall of the right end of the base 1 is provided with a synchronous control switch 26, the synchronous control switch 26 is electrically connected with the four electric telescopic rods, the four electric telescopic rods are controlled to move through the synchronous control switch 26, the up-and-down movement of the support frame in the working cavity can be adjusted through the simultaneous telescopic action of the four electric telescopic rods, the support frame is pushed to move downwards in the working cavity, the use height of the case is adjusted, the operation is convenient, the labor is saved, the height adjusting efficiency is higher, the machine case further comprises an adjusting ring 20, the adjusting ring 20 is sleeved on the outer side of the telescopic fixed pin, the adjusting ring 20 and the connecting sleeve 3 are concentrically arranged, a strip-shaped sliding groove 21 is arranged on the outer wall of one end of the sleeve 6, which is far away from the connecting sleeve 3, along the direction of the sleeve 6, the strip-shaped sliding groove 21 is communicated with the inner part of the sleeve 6, and a sliding rod can be longitudinally arranged in the strip-shaped sliding groove 21, the one end of slide bar is connected to the one end that is close to the spout on the limiting plate 10 to the other end of slide bar stretch out to sleeve pipe 6 external with the interior wall connection of regulation ring 20, through pushing down on moving regulation ring 20, can drive the slide bar along the direction downstream of spout, thereby can drive limiting plate 10 at the inside downstream of sleeve pipe 6, be convenient for make the spacer pin extract downwards from the jack inside for rotate the position of use of box 2, through the circumference design of regulation ring 20, user's operation application range is big, and it is convenient to use, the support frame includes backup pad 23 and four supporting legs 24, and the top of four supporting legs 24 respectively with the four corners position regional connection of backup pad 23 bottom lightens whole weight, improves the support frame to holistic stable support ability.

To sum up, this rotatable computer machine case, at first put the whole in the position that the user needs to use, then through the optional position on the regulating ring 20, press down regulating ring 20, make the pin pole extract downwards from the inside of jack, according to the mounted position of box 2 power cord and the position of use of box 2, rotate the angle of box 2 under the cooperation of adapter sleeve 3 and steel ball 4, after box 2 rotates to suitable angle, loosen regulating ring 20, make round pin post 7 upwards remove along the direction of sleeve pipe 6 under supporting spring 8's elasticity, and insert inside the jack that corresponds the position, prescribe a limit to box 2 angle after the rotation regulation, according to user's height, through the extension length of vertical telescoping device adjustment support in the working chamber inside, carry out height control to the whole, it can to connect box 2 at last use.

In this embodiment: the electric telescopic rod is characterized in that the electric telescopic rod is of the following types: 64STG-200mm-IP65, and the model number of the synchronous control switch 26 is: XH-317.

The electrical components presented in the document are all electrically connected with an external master controller and 220V mains, and the master controller can be a conventional known device controlled by a computer or the like.

In the description herein, it is to be noted that, unless expressly stated or limited otherwise, the terms "connected" and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; the connection may be mechanical or electrical, and may be direct or indirect via an intermediate. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

In the description herein, it is noted that relational terms such as first and second, and the like, are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

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 rotatable computer machine case, including base (1) and box (2), box (2) are located the top of base (1), the centre of base (1) is provided with adapter sleeve (3), the top of adapter sleeve (3) is connected with the bottom middle part of box (2), the outer wall of adapter sleeve (3) is inlayed and is had steel ball (4), steel ball (4) evenly inlay the outer wall in adapter sleeve (3), and the surface of steel ball (4) is laminated each other with the internal surface of base (1), adapter sleeve (3) under the effect of steel ball (4) with base (1) swing joint, its characterized in that: the bottom of the box body (2) is provided with a limiting disc (5), the limiting disc (5) and the connecting sleeve (3) are concentrically arranged, the top end of the limiting disc (5) is connected with the bottom side wall of the box body (2), a plurality of jacks are uniformly distributed on the circumference of the bottom end of the limiting disc (5), the telescopic fixing pins are respectively arranged on the left side and the right side of the connecting sleeve (3), the telescopic fixing pins comprise sleeves (6) and pin columns (7), the bottom end of each sleeve (6) is connected with the top end of the base (1), a supporting spring (8) is longitudinally arranged inside each sleeve (6), the top end of each sleeve (6) is provided with a fixing ring (9), the inner hole diameter of each fixing ring (9) is smaller than the inner diameter of each sleeve (6), and a limiting plate (10) can be vertically arranged inside each sleeve (6) in a sliding mode, and the bottom middle part of limiting plate (10) with the top of supporting spring (8) is connected, the bottom of round pin post (7) from the top of retainer plate (9) pass retainer plate (9) and stretch into sleeve pipe (6) inside with the top middle part of limiting plate (10) is connected, the top of round pin post (7) can be inserted inside the jack, the inside working chamber that is provided with in bottom of base (1) to the bottom and the external world of working chamber communicate with each other, but the inside longitudinal sliding of working chamber is provided with the support frame, and is provided with longitudinal adjusting device between the top of support frame and the top inner wall of working chamber.

2. A rotatable computer case according to claim 1, wherein: the longitudinal adjusting device comprises a rotating shaft (11), an adjusting shaft (12), four threaded rods (13) and four threaded pipes (14), wherein the top ends of the four threaded pipes (14) are respectively rotatably connected with the left front side, the left rear side, the right front side and the right rear side of the inner wall at the top end of the working cavity, the top ends of the four threaded rods (13) are respectively installed inside the bottom ends of the four threaded pipes (14), the external threads of the four threaded rods (13) are arranged in the same rotating direction, the bottom ends of the four threaded rods (13) are respectively connected with four corner position areas at the top end of the supporting frame, the top end and the bottom end of the rotating shaft (11) are respectively rotatably connected with the middle part of the inner wall at the top end of the working cavity and the middle part of the top end of the supporting frame, the adjusting shaft (12) is transversely positioned on the upper side of the supporting frame, and the left end of the adjusting shaft (12) is rotatably connected with the inner wall at the left side of the working cavity, and the right-hand member of regulating spindle (12) passes the right side wall of working chamber and stretches out to the right-hand member of base (1) external, the outside upside of four screwed pipes (14) all fixes the cover and is equipped with ring gear (15), and the regional fixed cover of upside of pivot (11) is equipped with and drives gear (16), drives gear (16) and four ring gear (15) meshing, and the middle part of regulating spindle (12) is provided with worm (17) to the outside downside fixed cover of pivot (11) is equipped with worm wheel (18), worm wheel (18) and worm (17) meshing.

3. A rotatable computer case according to claim 1, wherein: vertical adjusting device includes four electric telescopic handle (25), the top of four electric telescopic handle (25) is connected with left front side, left rear side, right front side and the right rear side of institute's working chamber top inner wall respectively to the bottom of four electric telescopic handle (25) respectively with the four corners position region on support frame top is connected, be provided with synchro control switch (26) on the right-hand member outer wall of base (1), and synchro control switch (26) with four electric telescopic handle (25) electric connection.

4. A rotatable computer case according to claim 1, wherein: and an adjusting hand wheel (19) is concentrically arranged at one end of the adjusting shaft (12) positioned outside the base (1).

5. A rotatable computer case according to claim 1, wherein: still include regulation circle (20), regulation circle (20) suit is in the outside of flexible fixed pin, and regulation circle (20) with adapter sleeve (3) set up with one heart, keep away from on sleeve pipe (6) the one end outer wall of adapter sleeve (3) and be provided with bar spout (21) along the direction of sleeve pipe (6), and bar spout (21) with sleeve pipe (6) are inside to communicate with each other, but the inside longitudinal sliding of bar spout (21) is provided with the slide bar, the one end of slide bar be close to the one end connection of spout on limiting plate (10) to the other end of slide bar stretch out to sleeve pipe (6) external with the interior wall connection of regulation circle (20).

6. A rotatable computer case according to claim 1, wherein: the support frame comprises a support plate (23) and four support legs (24), and the top ends of the four support legs (24) are connected with four corner position areas at the bottom end of the support plate (23) respectively.