CN214103657U

CN214103657U - Computer auxiliary equipment

Info

Publication number: CN214103657U
Application number: CN202022033383.6U
Authority: CN
Inventors: 黎家顺
Original assignee: Zhuhai Beiduotu Network Technology Co ltd
Current assignee: Zhuhai Beiduotu Network Technology Co ltd
Priority date: 2020-09-16
Filing date: 2020-09-16
Publication date: 2021-09-03
Anticipated expiration: 2030-09-16

Abstract

The utility model belongs to the technical field of computer equipment, in particular to computer auxiliary equipment, which comprises an outer sleeve, a locking piece is arranged outside the outer sleeve in a sliding way, a supporting leg is arranged inside a base connected with the bottom end of the outer sleeve in a rotating way, an inner rod connected with the top surface of the base is connected with a fixed plate, a sliding rod arranged on the fixed plate slides to run through a locking piece, a fixed hole for slidably connecting the locking piece is arranged on the side surface of an inner sliding rod arranged inside the outer sleeve in a sliding way, a rotating handle is arranged on the side surface of a supporting seat arranged at the top end of the inner sliding rod in a rotating way, a worm connected with one end of the rotating handle is meshed with a worm wheel arranged on the upper side, a connecting frame fixedly connected with a rotating shaft of the worm wheel is fixedly connected with a table plate, the supporting leg can improve the placing stability of the device and can be rotated and folded, the device is convenient to store and carry, the inner sliding rod can slide up and down in the outer sleeve to adjust the height of the device, the worm and the worm wheel can drive the angle change of the table plate when rotating, and a self-locking structure is arranged between the worm and the worm wheel, so that the stability is good.

Description

Computer auxiliary equipment

Technical Field

The utility model belongs to the technical field of computer equipment, concretely relates to computer auxiliary equipment.

Background

The common computer desk in the current market mainly comprises two types: one is a fixed computer desk, which has the disadvantages of large occupied area, labor-consuming movement and inflexible use, and the other is a bed computer desk, which has small volume, needs to be placed on a bed for use, is severely limited in use occasions, occupies space on the bed, is inconvenient to use, is not firm to store and has poor safety and stability; in addition, the height and the angle of the two computer tables can not be adjusted, and the computer display can be observed for people with higher stature due to the fact that the height of the computer display is low and the head of the people is low, so that the people can easily hurt the body after working for a long time.

SUMMERY OF THE UTILITY MODEL

To solve the problems set forth in the background art described above. The utility model provides a computer auxiliary equipment, supporting leg can improve the stability that this device was placed, and rotatable packing up, make this device be convenient for deposit and carry, thereby the height of this device is adjusted to interior slide bar can slide from top to bottom in the outer tube, and the angle that can drive the table when worm and worm wheel rotate changes, and is the auto-lock structure between worm and the worm wheel, and stability is good.

In order to achieve the above object, the utility model provides a following technical scheme: a computer auxiliary device comprises an outer sleeve, wherein a locking piece is slidably mounted on the outer side of the outer sleeve, a base is fixedly connected to the bottom end of the outer sleeve, a supporting leg is rotatably mounted on the inner side of the base, the bottom end of an inner rod body is fixedly connected to the top surface of the base, the bottom surface of a top end fixed connection fixing plate of the inner rod body is symmetrically mounted on the front end face and the rear end face of the fixing plate, one end of each sliding rod penetrates through one end of the locking piece in a sliding mode and is fixedly connected with a limiting plate, a spring is movably mounted on the outer side of the sliding rod between the locking piece and the fixing plate, an inner sliding rod is slidably mounted on the inner side of the outer sleeve, a fixing hole of the sliding connection locking piece is formed in the side face of the inner sliding rod, a limiting strip is fixedly mounted on the inner side wall of the inner sliding rod, a supporting seat is fixedly mounted at the top end of the inner sliding rod, a rotating handle is rotatably mounted on the side face of the supporting seat, the one end fixedly connected with worm of turning handle, the worm wheel of upside is connected in the worm meshing, the pivot of worm wheel rotates the one end of inside wall and the fixed connection link of joint support seat, the other end sliding connection of link rotates lateral wall and the fixed connection table in groove.

Preferably, the base is of a cylindrical structure with the same diameter as the outer sleeve, a plurality of connecting plates are fixedly connected to the side face of the base in an annular equal sequence, the upper end face and the lower end face of each connecting plate are flush with the upper end face and the lower end face of the base, the outer side face of each connecting plate is flush with the side face of the bottom plate, the bottom plate is a flat cylinder, a rotating shaft is fixedly installed on the inner side of each connecting plate, the rotating shaft is rotatably connected with one end of each supporting leg, the rotating angle of each supporting leg on the base is 0-90 degrees, the number of the supporting legs is four, the two ends of each supporting leg are of an L-shaped structure, and when the supporting legs rotate to a horizontal state, the bottom faces of the supporting legs are flush with the bottom face of the bottom plate; when the supporting leg rotates to the horizontality, the supporting leg can increase the contact area between the base at the bottom of the device and the ground, and improve the stability of the device placed on the ground, so that the device is not easy to topple.

Preferably, the upper side of the side surface of the outer sleeve is provided with an upper thread, the lower side of the side surface of the outer sleeve is provided with a lower thread, the locking piece is provided with an internal thread through hole penetrating through the upper end surface and the lower end surface of the locking piece, the lower thread and the upper thread are matched and meshed with the internal thread through hole in the locking piece, the lower side of the locking piece is provided with a fixing groove, and when the supporting leg rotates to a vertical state, the fixing groove is clamped on the outer side of the upper end of the supporting leg; when the supporting leg rotates to the horizontality, the user of service can be with locking piece threaded connection lower thread and downwardly rotating, make the bottom surface of locking piece sticis the top surface of supporting leg, make the supporting leg by the centre gripping between locking piece and bottom plate, the angle keeps fixed, play stable supporting role, when user of service prepares to pack up the supporting leg, can break away from the locking piece and upwards slide threaded connection upper thread, then upwards rotate the supporting leg to vertical state, again with the locking piece downwardly rotating, make the fixed slot overcoat in the outside of supporting leg, so with the stable fixing of supporting leg around the side of outer tube, make device compact volume portable.

Preferably, rubber pads are fixedly bonded to the bottom surface of the locking piece and the inner bottom surface of the fixing groove, and the rubber pads are of circular ring structures; the rubber pad can play the cushioning effect when the locking piece is fixed spacing to the supporting leg, avoids the locking piece and produces wearing and tearing or depainting after the contact surface long time friction of supporting leg, influences the outward appearance of device.

Preferably, the outer sleeve is of a circular tube type structure with the upper end and the lower end communicated, a through hole connected with the inner rod body in a sliding mode is formed in the bottom surface of the inner sliding rod, the inner rod body is of a slender cylindrical structure, and the fixing plate is of a cuboid structure; the height of the sliding rod in the outer sleeve can be adjusted in a sliding mode by a user, so that the using height of the device can be adjusted, the fixing plate can play a limiting role, and the sliding rod is prevented from being separated from the outer sleeve.

Preferably, the limiting strip is vertically arranged on the inner side wall of the inner sliding rod on two sides of the fixing plate, the left end and the right end of the fixing plate are connected with the side surface of the limiting strip in a sliding mode, and the upper end and the lower end of the limiting strip are fixedly connected with the inner top surface and the inner bottom surface of the inner sliding rod respectively; the limiting strip can play a limiting and guiding role in the inner sliding rod through the fixing plate, and the inner sliding rod is prevented from rotating in the outer sleeve.

Preferably, one end of the locking piece is provided with a through hole in sliding connection with the sliding rod, the other end of the locking piece is of a hemispherical structure, the upper side of the outer sleeve is provided with a plurality of through holes in sliding connection with the locking piece, and every two fixing holes are horizontally symmetrical, vertically arranged on the side wall of the inner sliding rod and the like in sequence; the inner sliding rod can be clamped into the fixing hole under the driving of the spring, so that the position of the inner sliding rod in the outer sleeve is locked, and the device can be used for stably adjusting the height.

Preferably, the other end of the worm is rotatably connected with the inner side wall of the supporting seat, the number of the connecting frames is two, and the connecting frames are fixedly arranged on a rotating shaft of a worm wheel by taking the worm wheel as a symmetric center; the rotatable turning handle of user of service makes the turning handle drive the worm and rotate the meshing transmission worm wheel, and the worm wheel drives the table through the link and rotates after rotating to reach the purpose of adjusting the angle of table, make things convenient for the use of device and accomodate, and be self-locking structure between worm and the turning handle, the angle that can make the table keeps fixed unchangeable not influenced by external force, use that can be stable.

Compared with the prior art, the beneficial effects of the utility model are that: when the supporting legs rotate to be in a horizontal state, the supporting legs can increase the contact area between the base at the bottom of the device and the ground, improve the stability of the device placed on the ground and ensure that the device is not easy to topple over; when the supporting leg rotates to the horizontal state, a user can connect the locking piece with the lower thread in a threaded manner and rotate downwards, the bottom surface of the locking piece is pressed against the top surface of the supporting leg, the supporting leg is clamped between the locking piece and the bottom plate, the angle is kept fixed, the stable supporting effect is achieved, when the user prepares to pack up the supporting leg, the locking piece can be separated from the upper thread and slides upwards to connect the upper thread in a threaded manner, then the supporting leg is rotated upwards to the vertical state, then the locking piece is rotated downwards, the outer side of the supporting leg is sleeved with the fixing groove, so that the supporting leg is stably fixed around the side surface of the outer sleeve, and the device is compact in size and convenient to carry; the rubber pad can play a role in buffering when the locking piece fixes and limits the supporting legs, so that the phenomenon that the appearance of the device is influenced due to abrasion or paint removal after the contact surface of the locking piece and the supporting legs is rubbed for a long time is avoided; the height of the inner slide rod in the outer sleeve can be adjusted in a sliding manner by a user, so that the use height of the device can be adjusted, and the fixing plate can play a limiting role to prevent the inner slide rod from being separated from the outer sleeve; the limiting strip can play a limiting and guiding role in the inner sliding rod through the fixing plate, so that the inner sliding rod is prevented from rotating in the outer sleeve; the inner sliding rod can be clamped into the fixing hole under the driving of the spring, so that the position of the inner sliding rod in the outer sleeve is locked, and the device can be used by stably adjusting the height; the rotatable turning handle of user of service makes the turning handle drive the worm and rotate the meshing transmission worm wheel, and the worm wheel drives the table through the link and rotates after rotating to reach the purpose of adjusting the angle of table, make things convenient for the use of device and accomodate, and be self-locking structure between worm and the turning handle, the angle that can make the table keeps fixed unchangeable not influenced by external force, use that can be stable.

The parts of the device not involved are the same as or can be implemented using prior art.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:

fig. 1 is a schematic sectional view of the present invention;

FIG. 2 is a schematic structural view of the present invention;

fig. 3 is a schematic sectional structure diagram of the present invention;

FIG. 4 is a schematic structural view of the base of the present invention;

FIG. 5 is a schematic structural view of the locking member of the present invention;

FIG. 6 is a schematic cross-sectional view of the locking member of the present invention;

in the figure: 1. an outer sleeve; 2. a locking member; 3. a base; 4. supporting legs; 5. an inner rod body; 6. a fixing plate; 7. a slide bar; 8. a spring; 9. a limiting plate; 10. a locking member; 11. an inner slide bar; 12. a limiting strip; 13. a fixing hole; 14. a supporting seat; 15. a handle is rotated; 16. a worm; 17. a worm gear; 18. a connecting frame; 19. a rotating groove; 20. a table plate; 101. lower threads; 102. screwing; 201. fixing grooves; 202. a rubber pad; 301. a connecting plate; 302. a rotating shaft; 303. a base plate.

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.

Example 1

Referring to fig. 1-6, the present invention provides the following technical solutions: a computer-assisted device, characterized by: including outer tube 1, the outside slidable mounting of outer tube 1 has locking piece 2, the bottom fixedly connected with base 3 of outer tube 1, supporting leg 4 is installed in the inboard rotation of base 3, the bottom of the body of rod 5 in the top surface fixed connection of base 3, the bottom surface of the top fixed connection fixed plate 6 of the interior body of rod 5, slide bar 7 is installed to terminal surface symmetry around fixed plate 6, the one end of slide bar 7 slides and link up one end and the fixed connection limiting plate 9 of locking piece 10, the outside movable mounting of slide bar 7 between locking piece 10 and fixed plate 6 has spring 8, the inboard slidable mounting of outer tube 1 has interior slide bar 11, the fixed orifices 13 of slidable connection locking piece 10 is seted up to the side of interior slide bar 11, the inside wall fixed mounting of interior slide bar 11 has spacing 12, the top fixed mounting of interior slide bar 11 has 14, the side of supporting seat 14 rotates and installs turning handle 15, the one end fixedly connected with worm 16 of turning handle 15, the worm wheel 17 of upside is connected in the worm 16 meshing, the pivot of worm wheel 17 rotates the one end of inside wall and the fixed connection link 18 of connecting supporting seat 14, the other end sliding connection of link 18 rotates lateral wall and the fixed connection table 20 of groove 19.

Specifically, the base 3 is a cylindrical structure with the same diameter as the outer sleeve 1, the side surface of the base 3 is fixedly connected with a plurality of connecting plates 301 in an annular equal sequence, the upper end surface and the lower end surface of each connecting plate 301 are flush with the upper end surface and the lower end surface of the base 3, the outer side surface of each connecting plate 301 is flush with the side surface of the bottom plate 303, the bottom plate 303 is a flat cylinder, a rotating shaft 302 is fixedly installed on the inner side of each connecting plate 301, each rotating shaft 302 is rotatably connected with one end of each supporting leg 4, the rotating angle of each supporting leg 4 on the base 3 is 0-90 degrees, the number of the supporting legs 4 is four, the two ends of each supporting leg 4 are of an L-shaped structure, and when the supporting legs 4 rotate to a horizontal state, the bottom surfaces of the supporting legs 4 are flush with the bottom surfaces of the bottom plates 303; when supporting leg 4 rotated to the horizontality, supporting leg 4 multiplicable device bottom base 3 and the area of contact on ground improved this device and put the stability subaerially, made this device be difficult to empty.

Specifically, an upper thread 102 is arranged on the upper side of the side surface of the outer sleeve 1, a lower thread 101 is arranged on the lower side of the side surface of the outer sleeve 1, an internal thread through hole penetrating through the upper end surface and the lower end surface of the locking piece 2 is formed in the locking piece 2, the lower thread 101 and the upper thread 102 are matched and meshed with the internal thread through hole in the locking piece 2, a fixing groove 201 is formed in the lower side of the locking piece 2, and when the supporting leg 4 rotates to be in a vertical state, the fixing groove 201 is clamped on the outer side of the upper end of the supporting leg 4; when the supporting leg 4 rotates to the horizontal state, the user can connect the lower thread 101 with the locking piece 2 through the threads and rotate downwards, the bottom surface of the locking piece 2 is pressed on the top surface of the supporting leg 4, the supporting leg 4 is clamped between the locking piece 2 and the bottom plate 303, the angle is kept fixed, a stable supporting effect is achieved, when the user prepares to pack up the supporting leg 4, the locking piece 2 can be separated from the upper thread 102 and slides upwards to connect the upper thread 102 through the threads, then the supporting leg 4 rotates upwards to the vertical state, then the locking piece 2 rotates downwards, the fixing groove 201 is sleeved outside the supporting leg 4, the supporting leg 4 is stably fixed around the side face of the outer sleeve 1, and the device is compact in size and convenient to carry.

Specifically, rubber pads 202 are fixedly bonded to the bottom surface of the locking piece 2 and the inner bottom surface of the fixing groove 201, and the rubber pads 202 are of circular ring structures; rubber pad 202 can play the cushioning effect when locking piece 2 fixes spacing to supporting leg 4, avoids locking piece 2 and the long time after the friction of the contact surface of supporting leg 4 to produce wearing and tearing or depainting, influences the outward appearance of device.

Specifically, the outer sleeve 1 is a circular tube type structure with the upper end and the lower end communicated, a through hole connected with the inner rod body 5 in a sliding mode is formed in the bottom surface of the inner sliding rod 11, the inner rod body 5 is of a slender cylindrical structure, and the fixing plate 6 is of a cuboid structure; the user can adjust the height of the inner slide bar 11 in the outer sleeve 1 in a sliding way, so that the using height of the device can be adjusted, and the fixing plate 6 can play a limiting role to prevent the inner slide bar 11 from being separated from the outer sleeve 1.

Specifically, the limiting strips 12 are vertically arranged on the inner side walls of the inner slide bars 11 at two sides of the fixing plate 6, the left end and the right end of the fixing plate 6 are slidably connected with the side surfaces of the limiting strips 12, and the upper end and the lower end of each limiting strip 12 are respectively and fixedly connected with the inner top surface and the inner bottom surface of each inner slide bar 11; the limiting strip 12 can play a limiting and guiding role on the inner sliding rod 11 through the fixing plate 6, and the inner sliding rod 11 is prevented from rotating in the outer sleeve 1.

Specifically, one end of the locking piece 10 is provided with a through hole in sliding connection with the sliding rod 7, the other end of the locking piece 10 is of a hemispherical structure, the upper side of the outer sleeve 1 is provided with a plurality of through holes in sliding connection with the locking piece 10, and the fixing holes 13 are arranged on the side wall of the inner sliding rod 11 in a pairwise horizontal symmetry and vertical equal sequence; the inner slide bar 11 can be clamped into the fixing hole 13 under the driving of the spring 8, so that the position of the inner slide bar 11 in the outer sleeve 1 is locked, and the device can be stably used for adjusting the height.

Specifically, the other end of the worm 16 is rotatably connected with the inner side wall of the support seat 14, the number of the connecting frames 18 is two, and the connecting frames are fixedly installed on a rotating shaft of the worm wheel 17 by taking the worm wheel 17 as a symmetric center; the rotatable turning handle 15 of user, make turning handle 15 drive worm 16 rotate and mesh transmission worm wheel 17, worm wheel 17 rotates the back and drives table 20 through link 18 and rotate to reach the purpose of adjusting the angle of table 20, facilitate the use of device with accomodate, and be auto-lock structure between worm 16 and the turning handle 15, can make the angle of table 20 keep fixed unchangeably not influenced by external force, use that can be stable.

The working principle and the using process of the invention are as follows: when the device is used, a user rotates the supporting leg 4 to be in a horizontal state, then the locking piece 2 is in threaded connection with the lower thread 101 and rotates downwards, so that the bottom surface of the locking piece 2 is pressed against the top surface of the supporting leg 4, the supporting leg 4 is clamped between the locking piece 2 and the bottom plate 303, the angle is kept fixed, and a stable supporting effect is achieved; then, the rotating handle 15 is rotated, the rotating handle 15 drives the worm 16 to rotate and engage with the transmission worm wheel 17, the worm wheel 17 drives the table board 20 to rotate through the connecting frame 18 after rotating, and therefore the angle of the table board 20 is adjusted, and a computer can be stably placed on the table board 20 for use; when the height of the device needs to be adjusted, a user presses the locking piece 10 to enable the locking piece 10 to exit from the fixing hole 13, at the moment, the spring 8 is extruded by the locking piece 10 to generate elastic energy storage, the user can slide and adjust the length of the inner sliding rod 11 in the outer sleeve 1 afterwards, the height of the device is adjusted, after the device is adjusted to a proper height, the user can slightly adjust the length of the inner sliding rod 11 in the outer sleeve 1, the locking piece 10 can enter the fixing hole 13 formed in the inner sliding rod 11 closest to the user, the position of the inner sliding rod 11 in the outer sleeve 1 is locked, and the device can be stably used.

After the device is used, a user rotates the rotating handle 15 reversely, the table plate 20 is rotated to an angle parallel to the inner sliding rod 11, then the locking piece 10 is pressed, the locking piece 10 is made to exit from the fixing hole 13, the inner sliding rod 11 slides downwards to the lowest position, the locking piece 10 is clamped into the fixing hole 13 at the uppermost end of the inner sliding rod 11 at the moment, finally, the locking piece 2 is separated from the upper thread 102 and connected with the upper thread 102 through the upward sliding thread by the user, then the supporting leg 4 rotates upwards to a vertical state, then the locking piece 2 rotates downwards, the fixing groove 201 is made to be sleeved outside the supporting leg 4, the supporting leg 4 is stably fixed around the side face of the outer sleeve 1, and the device is compact in size and convenient to carry.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A computer-assisted device, characterized by: comprises an outer sleeve (1), a locking piece (2) is slidably mounted on the outer side of the outer sleeve (1), a base (3) is fixedly connected to the bottom end of the outer sleeve (1), supporting legs (4) are mounted on the inner side of the base (3) in a rotating manner, the bottom end of an inner rod body (5) is fixedly connected to the top surface of the base (3), the bottom surface of a fixed plate (6) is fixedly connected to the top end of the inner rod body (5), sliding rods (7) are symmetrically mounted on the front end surface and the rear end surface of the fixed plate (6), one end of each sliding rod (7) slides to penetrate through one end of a locking piece (10) and is fixedly connected with a limiting plate (9), a spring (8) is movably mounted on the outer side of the sliding rod (7) between the locking piece (10) and the fixed plate (6), an inner sliding rod (11) is slidably mounted on the inner side of the outer sleeve (1), and a fixing hole (13) for slidably connecting the locking piece (10) is formed in the side surface of the inner sliding rod (11), the utility model discloses a connection support, including interior slide bar (11), the inside wall fixed mounting of interior slide bar (11) has spacing (12), the top fixed mounting of interior slide bar (11) has supporting seat (14), the side of supporting seat (14) is rotated and is installed turning handle (15), one end fixedly connected with worm (16) of turning handle (15), worm (16) meshing connection upside worm wheel (17), the pivot of worm wheel (17) is rotated the one end of inside wall and fixed connection link (18) of connection support (14), the other end sliding connection of link (18) rotates lateral wall and fixed connection table (20) of groove (19).

2. A computer-assisted apparatus according to claim 1, characterized in that: the base (3) is a cylindrical structure with the diameter same as that of the outer sleeve (1), the side surface of the base (3) is fixedly connected with a plurality of connecting plates (301) in an annular equal sequence, the upper end surface and the lower end surface of the connecting plate (301) are flush with the upper end surface and the lower end surface of the base (3), the outer side surface of the connecting plate (301) is flush with the side surface of the bottom plate (303), the bottom plate (303) is a flat cylinder, a rotating shaft (302) is fixedly arranged on the inner side of the connecting plate (301), the rotating shaft (302) is rotatably connected with one end of the supporting leg (4), the rotation angle of the supporting leg (4) on the base (3) is 0-90 degrees, the number of the supporting legs (4) is four, two ends of each supporting leg (4) are of L-shaped structures, when the supporting legs (4) rotate to the horizontal state, the bottom surfaces of the supporting legs (4) are flush with the bottom surface of the bottom plate (303).

3. A computer-assisted apparatus according to claim 1 or 2, characterized in that: the upside of outer tube (1) side is equipped with screw thread (102), the downside of outer tube (1) side is equipped with down screw thread (101), set up the internal thread through-hole that link up the upper and lower terminal surface of locking piece (2) on locking piece (2), internal thread through-hole on lower screw thread (101), last screw thread (102) adaptation interlock locking piece (2), fixed slot (201) have been seted up to the downside of locking piece (2), when supporting leg (4) rotated to vertical state, fixed slot (201) clamp the outside on supporting leg (4).

4. A computer-assisted apparatus according to claim 3, wherein: rubber pads (202) are fixedly bonded to the bottom surface of the locking piece (2) and the inner bottom surface of the fixing groove (201), and the rubber pads (202) are of circular ring structures.

5. A computer-assisted apparatus according to claim 1, characterized in that: the outer sleeve (1) is of a circular tube type structure with the upper end and the lower end communicated, a through hole of the inner rod body (5) in sliding connection is formed in the bottom surface of the inner sliding rod (11), the inner rod body (5) is of a slender cylindrical structure, and the fixing plate (6) is of a cuboid structure.

6. A computer-assisted apparatus according to claim 1, characterized in that: spacing (12) set up perpendicularly on the inside wall of interior slide bar (11) of fixed plate (6) both sides, the side of both ends sliding connection spacing (12) about fixed plate (6), the interior top surface and the interior bottom surface of slide bar (11) in the upper and lower both ends difference fixed connection of spacing (12).

7. A computer-assisted apparatus according to claim 1, characterized in that: the through-hole of sliding connection slide bar (7) is seted up to the one end of lock piece (10), the other end of lock piece (10) is the hemisphere type structure, the through-hole of sliding connection lock piece (10) is seted up to the upside of outer tube (1), the quantity of fixed orifices (13) is a plurality of, and two liang of horizontal symmetry, perpendicular isotorder are seted up on the lateral wall of interior slide bar (11).

8. A computer-assisted apparatus according to claim 1, characterized in that: the other end of worm (16) rotates the inside wall of connection supporting seat (14), the quantity of link (18) is two, use worm wheel (17) are the pivot of symmetry center fixed mounting in worm wheel (17).