CN210252367U

CN210252367U - Frame construction for laboratory bench

Info

Publication number: CN210252367U
Application number: CN201920819272.2U
Authority: CN
Inventors: 张彦强; 徐前万; 陈晓霞
Original assignee: Chongqing Yangyang Instrument Equipment Co ltd
Current assignee: Chongqing Yangyang Instrument Equipment Co ltd
Priority date: 2019-05-31
Filing date: 2019-05-31
Publication date: 2020-04-07
Anticipated expiration: 2029-05-31

Abstract

The utility model discloses a frame structure for a laboratory bench, which comprises at least one table top bracket, at least one left side bracket and at least one right side bracket which are respectively connected with two side edges of the table top bracket along the vertical direction through connecting pieces and are arranged oppositely, and at least one back bracket which is connected with the back side edge of the table top bracket along the vertical direction through connecting pieces; all the supports form a square structure by two cross beams and two upright posts through connecting pieces; the utility model provides a frame construction for laboratory bench makes all leg joints together form firm laboratory bench frame through the connecting piece respectively with the horizontal through-hole looks block of each side in the vertical through-hole of stand and the crossbeam, can insert the steadiness that the table was further improved to the bearing plate in addition, and the equipment of whole laboratory bench need not to use instruments such as screwdriver, pliers to splice, has improved the installation effectiveness greatly, and can carry out harmless dismantlement, repeated interest rate is high, the life of laboratory bench has been prolonged.

Description

Frame construction for laboratory bench

Technical Field

The utility model relates to a laboratory paraphernalia technical field, concretely relates to frame construction for laboratory bench.

Background

Along with the increasing importance of the country to research and development work, the effect of laboratory is also prominent day by day, and a large amount of laboratories are invested in construction, transformation, and now the green environmental protection theory is advocated all globally in addition, and under this big environment, the laboratory user all provides higher requirement to the equipment flexibility, detachability and reuse rate of laboratory furniture. However, the traditional laboratory table usually forms a large plate by bonding small plates through glue, a blind hole is required to be formed on the laboratory table between the table top and the table legs for placing an embedded part to fixedly connect the table top and the table legs, and the glue contains a large amount of harmful substances such as formaldehyde and the like, which can damage the health of human bodies and does not meet the requirement of environmental protection; and set up the blind hole and place built-in fitting messenger furniture and be assembling the in-process, need use the screwdriver, instrument such as pliers are spliced, it is long to consume time, in operation processes such as wrong screw, because of part quantity is more, bring the injury for installation master's both hands, it is more critical, concatenation between the current laboratory table part must be accomplished via experienced professional master, the user can only use the laboratory table of assembling, if carry the life that will cause the harm of different degree to reduce the laboratory table because of changing reasons such as laboratory to the laboratory table. Meanwhile, the existing experiment table with a fixed shape is used, the limited space of a laboratory cannot be fully utilized due to the fact that the size is fixed and cannot be changed, and the experiment table can only be discarded when the size needs to be changed or the laboratory needs to be carried, so that waste of resources and economy is caused.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a structure is firm, and the dismouting is swiftly convenient, and reuse rate is high and can make full use of space and environmental protection the not enough of frame construction existence in order to solve prior art for the laboratory bench.

To achieve the purpose, the utility model adopts the following technical proposal:

a frame structure for a laboratory bench comprises at least one table top bracket, at least one left side bracket and at least one right side bracket which are respectively connected with two side edges of the table top bracket along the vertical direction through connecting pieces and are oppositely arranged, and at least one back bracket which is connected with the back side edge of the table top bracket along the vertical direction through the connecting pieces;

the table top support, the left side support, the right side support and the back support respectively comprise two beams and two stand columns which are connected through connecting pieces, and the two beams and the two stand columns are alternately connected to form a rectangular structure;

the cross beam is of a cuboid structure and comprises horizontal through holes which are formed in the length direction and penetrate through two ends of the cross beam and transverse clamping grooves which are formed in any side surface of the cross beam and are parallel to the horizontal through holes;

the upright column comprises vertical through holes which are formed in the length direction and penetrate through two ends of the upright column, and vertical clamping grooves which are formed in at least any two side faces of the upright column and parallel to the vertical through holes, and one upright column and at least two cross beams can be connected through the connecting piece.

Among the above-mentioned technical scheme, the vertical through-hole of stand is connected with the connecting piece along vertical direction, the rethread connecting piece is connected with the horizontal through-hole of crossbeam each side along horizontal plane each direction, the connecting piece is with the mesa support, the left side support, stand and crossbeam in right side support and the back support are connected from each direction and become integrative formation experiment table frame solid firm, and the horizontal draw-in groove of two opposite sides of every two crossbeams that set up relatively sets up relatively, the perpendicular draw-in groove of two opposite sides of every two stands that set up relatively sets up relatively, can block in horizontal draw-in groove and the perpendicular draw-in groove into with the bearing plate of two size assorted further improvement experiment table's steadiness, and the equipment of whole experiment table need not to use screwdriver, tools such as pliers splice, the installation effectiveness is greatly improved, in addition, the mesa support, the left side support, right side support and back support and number also can set up the spirit that has improved experiment table size and shape combination according And (4) activity.

Further, the left side support comprises a left upper cross beam, a left front upright post, a left lower cross beam and a left rear upright post which are sequentially and vertically connected end to end, the right side support comprises a right upper cross beam, a right front upright post, a right lower cross beam and a right rear upright post which are sequentially and vertically connected end to end, the table top support comprises the left upper cross beam, the right upper cross beam, and a table top front cross beam and a table top rear cross beam which are respectively connected with two ends of the left upper cross beam and the right upper cross beam, and the back support comprises the left rear upright post, the table top rear cross beam, the right rear upright post and a back lower cross beam which are sequentially and vertically connected end to end;

the left upper cross beam, the right upper cross beam, the table top front cross beam and the table top rear cross beam are identical in structure, and the lengths of the table top front cross beam and the table top rear cross beam are half or one time of the length of the left upper cross beam; and transverse clamping grooves in the left lower cross beam, the right lower cross beam and the back lower cross beam are respectively opposite to transverse clamping groove openings in the left upper cross beam, the right upper cross beam and the table top rear cross beam.

Further, the connecting piece includes the base that is the cube, connect in cube base top surface or bottom surface with in the stand vertical through-hole assorted fixed block and locate respectively the base is last arbitrary two lateral surface central lugs at least, the lug with in the crossbeam horizontal through-hole looks block, the connecting piece is three-way connection, four-way connection or five-way connection. From this, the connecting piece passes through the fixed block in the vertical through-hole of stand and in the horizontal through-hole of crossbeam through the lug block at side center to link together the stand and the crossbeam of each side, and the connecting piece can set up the lug at two, three or four side centers and should respectively the connecting piece is three-way connection, four-way connection or five-way connection, can select corresponding connecting piece according to different positions in the experiment table.

Further, on the base in the lug with be equipped with the bayonet socket that is the square structure between the fixed block, the bayonet socket is seted up and is located the opening of two adjacent sides of square, one the open-ended direction with the extending direction of lug is the same, another the opening with the extending direction of fixed block is the same, the degree of depth of bayonet socket along vertical direction and horizontal direction respectively with horizontal slot with erect the degree of depth of draw-in groove the same. Therefore, after the bearing plate is inserted into the vertical clamping grooves, the two ends of the bearing plate can be inserted into the bayonets of the connecting pieces at the two ends, so that the upright post, the cross beam and the connecting pieces are fixed together more closely.

The table top support comprises two table top supports, two left side supports and two right side supports which are respectively connected with two side edges of the table top supports along the vertical direction through the connecting pieces and are oppositely arranged, and one back support which is connected with the back side edge of the table top support along the vertical direction through the connecting pieces; the two table-board supports, the two left side supports and the two right side supports are symmetrically arranged by taking the plane where the back support is located as a symmetrical plane. From this, two mesa supports, two left side supports and two right side supports all use the back support to set up as the plane of symmetry and form the layout that the laboratory bench of two back-to-back positions made the structural connection of laboratory bench firm more and can be applicable to laboratory of different space size of a dimension, make full use of space.

The table top support comprises two table top supports, a left side support and two right side supports which are connected to two side edges of the table top supports along the vertical direction through connecting pieces and are arranged oppositely, and two back supports which are connected to the back side edges of the two table top supports along the vertical direction through the connecting pieces; the two table-board supports, the two back supports, the left side support and the right side support are symmetrically arranged by taking the plane of the other right side support as a symmetrical plane. From this, two mesa supports, two back supports, a left side support, a right side support all use another right side support place plane to personally submit the symmetry and set up the layout that forms two transverse connection's laboratory bench position makes the structural connection of laboratory bench firm more and can be applicable to the laboratory bench in the longer laboratory of transverse dimension, make full use of space for the symmetry.

Furthermore, a reinforcing support is arranged between the left side support and the right side support, the reinforcing upper cross beam, the reinforcing front upright post, the reinforcing lower cross beam and the reinforcing rear upright post are vertically connected with one another end to end in sequence, the length of the table top front cross beam and the length of the table top rear cross beam in the table top support are half of that of the left upper cross beam, and the table top support comprises the left upper cross beam, the right upper cross beam, and two table top front cross beams and two table top rear cross beams which are respectively connected with two ends of the left upper cross beam and two ends of the right upper cross beam. From this, having increased one in the middle of every laboratory bench and having strengthened the support and support, having strengthened the steadiness and the bearing nature that the laboratory bench has further been strengthened to the reinsertion bearing plate in the support, be applicable to the laboratory bench that needs placed the heavier equipment instrument of weight.

Further, the stand the crossbeam with in the connecting piece be the arc chamfer between four sides of base and connect, connecting piece bottom surface size with the bottom surface size of stand equals, the side size of connecting piece with the bottom surface size of crossbeam equals, from this, the arc chamfer is used for the corner of laboratory bench can avoid possible potential safety hazard in the use and make the molding of laboratory bench more mellow and more pleasing to the eye.

Further, the mesa support the left side support the right side support with the mesa support all adopts double-deck aluminum alloy material, the connecting piece adopts the ABS material to form through special mould injection moulding. From this, the aluminium alloy material can avoid the laboratory bench because of the rust corrosion that is influenced the production by experimental reagent for a long time, and double-deck aluminum alloy structure can guarantee the bearing capacity of laboratory bench again can not influence transport and dismouting because of overweight like the steel construction.

Further, the mesa support, the left side support, the right side support with the mesa support is gone up and is scribbled the plastic layer through the plastic-blasting. Therefore, the experiment table can be conveniently taken during installation, and the corrosion resistance of the experiment table is further improved.

The utility model provides a frame construction for laboratory bench has following beneficial effect:

1. the table-board bracket, the left bracket, the right bracket and the back bracket are connected together to form a stable experiment table frame by using the connecting pieces to be respectively clamped with the vertical through holes of the stand columns and the horizontal through holes of all the side surfaces of the cross beam, and then the bearing plates matched with the transverse clamping grooves and the vertical clamping grooves in size can be clamped into the transverse clamping grooves and the vertical clamping grooves to further improve the stability of the experiment table;

2. mesa support, left side support, right side support and back support and number also can set up the flexibility that has improved laboratory table size and shape combination respectively according to actual need, make full use of the space of laboratory makes the laboratory's laboratory bench overall arrangement more reasonable, and can carry out the harmless dismantlement to all crossbeams and stand if need to change the laboratory, the rate of repeated interest is high, the life of laboratory bench has been prolonged, the cost of laboratory platform building has been reduced, but wide application in the laboratory of each colleges and universities or enterprise.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required to be used in the embodiments of the present invention will be briefly described below. It is obvious that the drawings described below are only some embodiments of the invention, and that for a person skilled in the art, other drawings can be obtained from these drawings without inventive effort.

Fig. 1 is a schematic perspective view of a frame structure for a laboratory bench in embodiment 1 of the present invention;

FIG. 2 is a schematic structural view of a connector;

FIG. 3 is a schematic structural view of a cross beam;

FIG. 4 is a schematic structural view of a column;

fig. 5 is a schematic perspective view of a frame structure for a laboratory bench according to embodiment 2 of the present invention;

fig. 6 is a schematic perspective view of a frame structure for a laboratory bench according to embodiment 3 of the present invention;

fig. 7 is a schematic perspective view of a frame structure for a laboratory bench according to embodiment 4 of the present invention;

in the figure:

1. a bearing plate; 2. a table top support; 21. a table top front beam; 22. a table top rear beam; 3. a left side bracket; 31. a left upper cross beam; 32. a left front pillar; 33. a left lower cross beam; 34. a left rear pillar; 4. a right side bracket; 41. a right upper cross member; 42. a right front pillar; 43. a right lower cross member; 44. a right rear pillar; 5. a back support; 51. a back lower beam; 6. a connecting member; 61. a base; 62. a fixed block; 63. a bump; 64. a bayonet; 7. a cross beam; 71. a horizontal through hole; 72. a transverse clamping groove; 8. a column; 81. A vertical through hole; 82. a vertical clamping groove; 9. a reinforcing bracket; 91. reinforcing the upper cross beam; 92. reinforcing the front upright post; 93. reinforcing the lower cross beam; 94. reinforcing the rear upright post; 10. and (6) arc chamfering.

Detailed Description

The technical solution of the present invention is further explained by the following embodiments with reference to the accompanying drawings.

Wherein the showings are for the purpose of illustration only and are shown by way of illustration only and not in actual form, and are not to be construed as limiting the present patent; for a better understanding of the embodiments of the present invention, some parts of the drawings may be omitted, enlarged or reduced, and do not represent the size of an actual product; it will be understood by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted.

The same or similar reference numerals in the drawings of the embodiments of the present invention correspond to the same or similar parts; in the description of the present invention, it should be understood that if the terms "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are used to indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, it is only for convenience of description and simplification of description, but it is not intended to indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore, the terms describing the positional relationship in the drawings are only used for illustrative purposes and are not to be construed as limiting the patent. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; the two elements may be directly connected or indirectly connected through an intermediate medium, and the communication between the two elements may be understood by those skilled in the art according to the specific situation.

Example 1

As shown in fig. 1, 2, 3 and 4, a frame structure for a laboratory bench comprises a table top support 2, a left side support 3 and a right side support 4 which are respectively connected with two sides of the table top support 2 along the vertical direction through connecting pieces 6 and are arranged oppositely, and a back support 5 which is connected with the back side of the table top support 2 along the vertical direction through connecting pieces 6;

the table top support 2, the left side support 3, the right side support 4 and the back support 5 respectively comprise two beams 7 and two upright posts 8 which are connected through connecting pieces 6, and the two beams 7 and the two upright posts 8 are alternately connected to form a rectangular structure; the crossbeam 7 is of a cuboid structure and comprises a horizontal through hole 71 which is formed along the length direction and penetrates through two ends of the crossbeam 7 and a transverse clamping groove 72 which is formed on any side surface of the crossbeam 7 and is parallel to the horizontal through hole 71, the depth of the transverse clamping groove 72 and the depth of the vertical clamping groove 82 are respectively 10mm and 15mm, and the width of each transverse clamping groove is 16.8 mm; the stand 8 includes along the vertical through-hole 81 that length direction seted up run through the stand 8 both ends and set up in two arbitrary sides of stand 8 and with the vertical draw-in groove 82 that vertical through-hole 81 parallels, connecting piece 6 can be connected a stand 8 and two piece at least crossbeams 7, the cross sectional dimension of crossbeam 7 is 45mm, the cross sectional dimension of stand 8 is 65mm, the length of crossbeam 7 is 50cm or 25cm, the length of stand 8 is 100 cm. The length of the cross beam 7 and the upright post 8 can be set to other sizes according to actual needs.

In addition, the connecting piece 6 comprises a base 61 in a cubic shape, a fixing block 62 connected to the top surface or the bottom surface of the base 61 and matched with a vertical through hole 81 in the upright post 8, and a convex block 63 respectively arranged at the center of at least any two side surfaces on the base 61, the convex block 63 is clamped with a horizontal through hole 71 in the cross beam 7, when two, three or four side centers on base 61 are equipped with lugs 63, connecting piece 6 is three-way connecting piece, four-way connecting piece or five-way connecting piece respectively, be equipped with bayonet socket 64 that is the square structure on base 61 between lug 63 and fixed block 62, bayonet socket 64 is seted up and is located the opening of two adjacent sides of square, the direction of an opening is the same with the extending direction of lug 63, another opening is the same with the extending direction of fixed block 62, the degree of depth of bayonet socket 64 is the same with the degree of depth of horizontal card groove 72 and vertical card groove 82 respectively along vertical direction and horizontal direction. The cross-sectional dimensions of the vertical through hole 81 and the fixed block 62 are both 32mm x 32mm, and the cross-sectional dimensions of the horizontal through hole 71 and the bump 63 are both 22mm x 22 mm.

Wherein, the left bracket 3 comprises a left upper crossbeam 31, a left front upright post 32, a left lower crossbeam 33 and a left rear upright post 34 which are vertically connected end to end through a three-way connecting piece 6; the right side bracket 4 comprises a right upper cross beam 41, a right front upright post 42, a right lower cross beam 43 and a right rear upright post 44 which are vertically connected end to end through a three-way connecting piece in sequence; the table top bracket 2 comprises a left upper beam 31, a right upper beam 41, a table top front beam 21 and a table top rear beam 22 which are respectively connected with two ends of the left upper beam 31 and the right upper beam 41, and the back bracket 5 comprises a left back upright post 34, a table top rear beam 22, a right back upright post 44 and a back lower beam 51 which are sequentially and vertically connected end to end;

in addition, the left upper cross beam 31, the right upper cross beam 41, the table top front cross beam 21 and the table top rear cross beam 22 are all the same in structure, the length of the table top front cross beam 21 and the table top rear cross beam 22 is one time of that of the left upper cross beam 31, and the transverse clamping grooves 72 in the left lower cross beam 33, the right lower cross beam 43 and the back lower cross beam 51 are respectively opposite to the openings of the transverse clamping grooves 72 in the left upper cross beam 31, the right upper cross beam 41 and the table top rear cross beam 22, so that the bearing plate 1 can be firmly clamped in the table top support 2, the left side support 3, the right side support 4 and the back support 5.

The four side surfaces of the base 61 in the upright column 8, the cross beam 7 and the connecting piece 6 are connected through arc chamfers 10, the size of the bottom surface of the connecting piece 6 is equal to that of the bottom surface of the upright column 8, and the size of the side surface of the connecting piece 6 is equal to that of the bottom surface of the cross beam 7.

In addition, mesa support 2, left side support 3, right side support 4 and back support 5 all adopt double-deck aluminum alloy material, and connecting piece 6 adopts the ABS material to form through special mould injection moulding. In order to facilitate taking during installation and further improve the corrosion resistance of the experiment table, plastic layers are coated on the table top support 2, the left side support 3, the right side support 4 and the back support 5 through plastic spraying treatment.

During the frame construction for the laboratory bench of equipment this embodiment, earlier in proper order with left side support 3, four stands 8 in right side support 4 and the back support 5 and three crossbeams 7 of bottom pass through connecting piece 6 interconnect, insert three bearing plate 1 in the relative three group of perpendicular draw-in grooves 82 that set up along four stands 8 again, then connect four connecting pieces 6 respectively on four stands 8's top, then insert four crossbeams 7 of mesa support 2 in proper order and make left side support 3 in connecting piece 6's lug 63, the top of right side support 4 and back support 5 links together, install the deck plate on mesa support 2 at last and obtain the frame construction laboratory bench.

Example 2

As shown in fig. 5, in order to enhance the load-bearing capacity of the middle portion of the experiment table in embodiment 1, a reinforcing support 9 is arranged between the left side support 3 and the right side support 4, the reinforcing support 9 includes a reinforcing upper cross beam 91 vertically connected end to end through a four-way connector 6 in sequence, a reinforcing front upright post 92, a reinforcing lower cross beam 93 and a reinforcing rear upright post 94, the lengths of the table top front cross beam 21 and the table top rear cross beam 22 in the table top support 2 are half of the length of the left upper cross beam 31, and the table top support 2 includes the left upper cross beam 31, the right upper cross beam 41, and two table top front cross beams 21 and two table top rear cross beams 22 respectively connected with the two ends of the left upper cross beam 31 and the right upper cross beam 41. Two table top front beams 21 are connected to the lugs 63 on two opposite sides of the four-way connector, and a reinforcing front upright 92 and a reinforcing upper beam 91 are respectively connected to the fixing block 62 and the third side of the four-way connector. The other structure is exactly the same as embodiment 1.

Example 3

As shown in fig. 6, the frame structure for the experiment table comprises two table top supports 2, a left side support 3 and a right side support 4 which are respectively connected to two side edges of one table top support 2 along the vertical direction through connecting pieces 6 and are oppositely arranged, another left side support 3 and another right side support 4 which are vertically connected to two side edges of the other table top support 2 and are oppositely arranged, and a back support 5 which is connected to the back side edge of one table top support 2 through connecting pieces 6; two mesa supports 2, a left side support 3 and a right side support 4, another left side support 3 and another right side support 4 all use back support 5 place plane as the symmetrical plane and front and back symmetry setting.

The back support 5 comprises a left back upright post 34, two table-board back cross beams 22, a right back upright post 44 and two back lower cross beams 51 which are sequentially connected end to end, the two table-board back cross beams 22 and the two reinforcing upper cross beams 91 are respectively connected to the convex blocks 63 on the four sides of the five-direction connecting piece on the table board, namely the two table-board back cross beams 22 are connected in a straight line and then are in cross connection with the two reinforcing upper cross beams 91 in the straight line. One end of the reinforced rear upright post 94 is fixed on the fixing block 62 of the five-way connecting piece on the table board through the vertical through hole 81, the other end of the reinforced rear upright post 94 is fixed on the fixing block 62 of the five-way connecting piece at the bottom through the vertical through hole 81, the convex blocks 63 on the four side surfaces of the five-way connecting piece at the bottom are respectively connected with the two table board rear cross beams 22 at the bottom and the two reinforced lower cross beams 93 at the bottom, all other structures are the same as those in embodiment 2, and the frame structure for the experiment table provided by the embodiment is particularly suitable for back-to-back arrangement of the.

Example 4

The frame structure for the experiment table shown in fig. 7 comprises two table top supports 2 which are symmetrically connected in the horizontal direction, a left side support 3 and a right side support 4 which are respectively connected to the left side of the table top support 2 on the left side and the right side of the table top support 2 on the right side in the vertical direction through connecting pieces 6 and are oppositely arranged, and a left back support 5 and a right back support 5 which are respectively connected to the rear sides of the table top support 2 on the left side and the table top support 2 on the right side in the vertical direction through connecting pieces 6; the two table-board brackets 2, the two back brackets 5, the left side bracket 3 and the right side bracket 4 are all arranged symmetrically by taking the plane of the other right side bracket 4 connected with the left table-board bracket 2 as a symmetrical plane. All other structures are the same as those of embodiment 2, and the framework structure for a laboratory table in this embodiment is suitable for a laboratory layout having a large space in the longitudinal direction.

In the utility model, the table-board front beam 21, the table-board rear beam 22, the left upper beam 31, the left lower beam 33, the right upper beam 41, the right lower beam 43, the back lower beam 51, the reinforcing upper beam 91 and the reinforcing lower beam 93 are all cuboid structures and comprise a horizontal through hole 71 which is arranged along the length direction and runs through two ends of the beam 7 and a horizontal clamping groove 72 which is arranged on any side surface of the beam 7 and is parallel to the horizontal through hole 71, except that the orientation of the horizontal clamping groove 72 is different during installation, the other structures are all the same as the structure of the beam 7, and the description is omitted; the left front upright post 32, the left rear upright post 34, the right front upright post 42, the right rear upright post 44, the reinforcing front upright post 92 and the reinforcing rear upright post 94 respectively comprise vertical through holes 81 which are formed in the length direction and penetrate through two ends of the upright posts and vertical clamping grooves 82 which are formed in at least any two side faces of the upright post 8 and are parallel to the vertical through holes 81, except that the orientation and the number of the vertical clamping grooves 82 are different due to different positions during installation, and the other vertical clamping grooves are identical to the structure of the upright post 8, so that the description is omitted.

It should be noted that the above embodiments are only preferred embodiments of the present invention and the technical principles applied, and any changes or substitutions which can be easily conceived by those skilled in the art within the technical scope of the present invention are also included in the protection scope of the present invention.

Claims

1. A frame structure for a laboratory bench is characterized by comprising at least one table top bracket, at least one left side bracket and at least one right side bracket which are respectively connected with two side edges of the table top bracket along the vertical direction through connecting pieces and are oppositely arranged, and at least one back bracket which is connected with the back side edge of the table top bracket along the vertical direction through the connecting pieces;

2. The frame structure for the experiment table as claimed in claim 1, wherein the left side support comprises a left upper cross beam, a left front upright, a left lower cross beam and a left rear upright which are vertically connected end to end in sequence, the right side support comprises a right upper cross beam, a right front upright, a right lower cross beam and a right rear upright which are vertically connected end to end in sequence, the table top support comprises the left upper cross beam, the right upper cross beam and a table top front cross beam and a table top rear cross beam which are respectively connected with two ends of the left upper cross beam and the right upper cross beam, and the back support comprises the left rear upright, the table top rear cross beam, the right rear upright and a back lower cross beam which are vertically connected end to end in sequence;

3. The frame structure for the experiment table as claimed in claim 1, wherein the connecting member comprises a cubic base, a fixing block connected to the top or bottom surface of the base and matched with the vertical through holes in the vertical columns, and a protrusion respectively arranged at the center of at least any two side surfaces of the base, the protrusion is engaged with the horizontal through hole in the cross beam, and the connecting member is three-way, four-way or five-way.

4. The frame structure for the experiment table as claimed in claim 3, wherein a bayonet of a cube structure is provided on the base between the bump and the fixed block, the bayonet is provided with openings located on two adjacent sides of the cube, one opening has a direction same as the extending direction of the bump, the other opening has a direction same as the extending direction of the fixed block, and the depth of the bayonet is respectively the same as the depth of the horizontal clamping groove and the vertical clamping groove along the vertical direction and the horizontal direction.

5. The frame structure for a laboratory bench according to claim 1, comprising two said table top supports, two said left side supports and two said right side supports which are connected to both sides of said table top support in the vertical direction respectively through said connecting members and are disposed oppositely, and one said back support which is connected to the back side of said table top support in the vertical direction through said connecting members; the two table-board supports, the two left side supports and the two right side supports are symmetrically arranged by taking the plane where the back support is located as a symmetrical plane.

6. The frame structure for a laboratory bench according to claim 1, comprising two said table top supports, one said left side support and two said right side supports which are connected to both sides of said table top support in the vertical direction respectively through said connecting members and are disposed oppositely, and two said back supports which are connected to the back sides of two said table top supports in the vertical direction respectively through said connecting members; the two table-board supports, the two back supports, the left side support and the right side support are symmetrically arranged by taking the plane of the other right side support as a symmetrical plane.

7. The frame structure for the experiment table as claimed in claim 2, wherein a reinforcing bracket is arranged between the left side bracket and the right side bracket, the reinforcing bracket comprises a reinforcing upper cross beam, a reinforcing front upright post, a reinforcing lower cross beam and a reinforcing rear upright post which are vertically connected end to end in sequence, the lengths of the table top front cross beam and the table top rear cross beam in the table top bracket are half of the length of the left upper cross beam, and the table top bracket comprises the left upper cross beam, the right upper cross beam, and two table top front cross beams and two table top rear cross beams which are respectively connected with two ends of the left upper cross beam and the right upper cross beam.

8. The framework structure for a laboratory bench according to claim 3, wherein said four sides of said base of said column, said beam and said connecting member are connected by an arc-shaped chamfer, the size of the bottom surface of said connecting member is equal to the size of the bottom surface of said column, and the size of the side surface of said connecting member is equal to the size of the bottom surface of said beam.

9. The frame structure for the experiment table as claimed in any one of claims 1 to 8, wherein the table top support, the left side support, the right side support and the table top support are all made of double-layer aluminum alloy materials, and the connecting piece is made of ABS materials and formed by injection molding through a special mold.

10. The frame structure for a laboratory bench according to claim 9, wherein said table top support, said left side support, said right side support and said table top support are coated with plastic layer by plastic spraying.