CN209219406U - A kind of back-to-back composite desk frame - Google Patents

Abstract

The utility model provides a kind of back-to-back composite desk frame, comprising: telescoping crossbeam component includes left crossbeam and right crossbeam, and the both ends of the both ends of left crossbeam and right crossbeam are provided with table leg, and triangle joint block is provided on table leg；Attachment beam quantity is two and respectively corresponds the both ends of telescoping crossbeam component, the both ends of attachment beam are provided with connection skewback, it connects skewback and triangle joint block is contradicted and connected, so that the both ends of attachment beam be made to be fixedly connected respectively with the table leg on the table leg and right crossbeam on left crossbeam；Fixing bolt passes through connection skewback and triangle joint block obliquely to which attachment beam to be fixed on table leg；Flexible wire casing includes big wire casing and small wire casing, and small wire casing is slidably disposed in big wire casing, and big wire casing and small wire casing are connect with two attachment beams respectively.The utility model has the following beneficial effects: connecting more convenient reliable between table leg and attachment beam, and also there is telescopic wire casing.

Description

A kind of back-to-back composite desk frame

Technical field

The utility model belongs to table tool technical field, is related to a kind of back-to-back composite desk frame.

Background technique

Table frame is a part in desk, and with table leg and crossbeam, desktop is capable of fixing in table frame, so, Table frame can be regarded as to the skeleton part of desk.

Such as a kind of Chinese patent of Patent No. 201720243073.2, it discloses a kind of Combined office table frame, It include: a plurality of table leg, multiple connectors and a plurality of crossbeam, the connector and table leg correspond, and each connector is removable It is connected to the top of corresponding table leg with unloading；The crossbeam is removably attachable between two adjacent connectors, each described Crossbeam is end to end by connector, and the bearing for installing desk panel with board is collectively formed in the upper surface of each crossbeam Face.

Existing table frame comprising the crossbeam of four table legs and supporting desktop is provided with attachment beam between table leg, and It is additionally provided with wiring duct, more troublesome, and the function of existing wiring duct but the attachment beam between table leg is fixed up It is fairly simple, it is inconvenient in wiring, there is certain room for improvement.

Utility model content

The purpose of this utility model is in view of the above-mentioned problems existing in the prior art, to propose a kind of back-to-back Combined type table Frame.

The purpose of this utility model can be realized by the following technical scheme: a kind of back-to-back composite desk frame, comprising:

Telescoping crossbeam component comprising left crossbeam and right crossbeam, the left crossbeam and the right crossbeam are arranged in parallel, The both ends of the left crossbeam and the both ends of the right crossbeam are provided with table leg, and triangle joint block is provided on the table leg；

Attachment beam, quantity are two and respectively correspond the both ends of the telescoping crossbeam component, the both ends of the attachment beam It is provided with connection skewback, the connection skewback and the triangle joint block, which contradict, to be connected, to make the both ends of the attachment beam It is fixedly connected respectively with the table leg on the table leg and the right crossbeam on the left crossbeam；

Fixing bolt passes through the connection skewback and the triangle joint block obliquely to consolidate the attachment beam It is scheduled on the table leg；

Flexible wire casing comprising big wire casing and small wire casing, the small wire casing are slidably disposed in the big wire casing, And the big wire casing and the small wire casing are connect with two attachment beams respectively.

Preferably, the table leg is lifting structure, and the table leg includes outer tube and is threaded through in the outer tube Adjustable pipe, the adjustable pipe are connect with the left crossbeam or the right crossbeam.

Preferably, the triangle joint block includes flat part and inclined plate portion, one end of the flat part is connected to described On outer tube, the inclined plate portion is in the angularly disposed other end in the flat part.

Preferably, the attachment beam is tubular structure, the triangle joint block is located in the end of the attachment beam, and institute It states connection skewback and the inclined plate portion contradicts and connects.

Preferably, the first screw hole perpendicular to the connection skewback is offered on the connection skewback, in the inclined plate portion Offer the second screw hole perpendicular to the inclined plate portion, when the connection skewback is bonded with the inclined plate portion described in the first screw hole It is connected to second screw hole.

Preferably, being provided with the peace for installing electrical component and cable in the big wire casing and the small wire casing It behave affectedly.

Preferably, being provided with positioning screw hole on the small wire casing, strip gab, the bar shaped are provided on the big wire casing It is open to be provided with to be threaded through in the positioning screw hole along the motion track setting of the positioning screw hole, the strip gab and determine Position bolt, the small wire casing are kept fixed by the positioning bolt and the big wire casing.

Preferably, offering the line row of openings being connected to the installation cavity on the big wire casing, the line row of openings is used for Embedded electric power plug socket is installed.

Preferably, the bottom of the attachment beam is provided with operation aperture, the operation aperture corresponds to the connection skewback.

Preferably, the flat part, the inclined plate portion and the outer tube form the structure that cross section is right angled triangle.

Compared with prior art, the utility model has the following beneficial effects:

1, it connects more convenient reliable between table leg and attachment beam, and also there is telescopic wire casing.

2, the first screw hole and the second screw hole are all inclined holes, bigger installation space are capable of forming in this way, in practical operation During, fixing bolt be it is oblique wear, so user can be attached on attachment beam, and not needing will be electric Dynamic screwdriver is perpendicular to erect, it is only necessary to be slightly slanted, being directed at inclined fixing bolt can be realized as fixing, very side Just.

Detailed description of the invention

Fig. 1 is the structural schematic diagram of the back-to-back composite desk frame of the utility model.

Fig. 2 is the connection relationship diagram of the utility model table leg and attachment beam.

Fig. 3 is the triangle joint block and the connection relationship diagram that connect skewback of the utility model.

Fig. 4 is the top view of the back-to-back composite desk frame of the utility model.

Fig. 5 is the structural schematic diagram of the flexible wire casing of the utility model.

In figure, 110, left crossbeam；120, right crossbeam；200, table leg；210, triangle joint block；211, flat part；212, tiltedly Plate portion；213, the second screw hole；220, outer tube；230, adjustable pipe；300, attachment beam；310, skewback is connected；311, the first screw hole； 320, operation aperture；400, stretch wire casing；410, big wire casing；411, strip gab；412, line row of openings；420, small wire casing； 421, positioning screw hole；430, installation cavity.

Specific embodiment

It is specific embodiment of the utility model and in conjunction with attached drawing below, the technical solution of the utility model is made further Description, but the utility model is not limited to these examples.

As shown in figure 1, figure 2, figure 3, figure 4 and figure 5, a kind of back-to-back composite desk frame, comprising: telescoping crossbeam component, connection Beam 300 and flexible wire casing 400, this back-to-back composite desk frame are able to carry out transversal stretching, and real by attachment beam 300 The connection of existing table leg 200, very convenient quick, wire casing is also the wire casing that can be stretched.

Telescoping crossbeam component comprising left crossbeam 110 and right crossbeam 120, the left crossbeam 110 and the right crossbeam 120 are arranged in parallel, and the both ends of the left crossbeam 110 and the both ends of the right crossbeam 120 are provided with table leg 200, the table Triangle joint block 210 is provided on leg 200.

Preferably, telescoping crossbeam component is to carry out flexible crossbeam, can change the length of table frame, thus suitable Desktop with different length, herein it is worth noting that, traditional table frame, it may have telescoping crossbeam, but only have one Telescoping crossbeam, that is to say, that only there is a telescoping crossbeam, and the two sides of telescoping crossbeam have lifting table leg 200, from now Have in structure, since existing table frame only has a telescoping crossbeam, and on telescoping crossbeam, only there are two rise for tool Table leg 200 drops, so the back-to-back composite desk frame structure in present embodiment can not be formed.

Preferably, different from traditional table frame, there are two telescoping crossbeams for back-to-back composite desk frame tool, and two are stretched Contracting crossbeam forms above-mentioned telescoping crossbeam component, and the two telescoping crossbeams are respectively left crossbeam 110 and right crossbeam 120, left and right crossbeam 120 is located at the two sides of table frame width direction, the planform phase of left crossbeam 110 and right crossbeam 120 Together, two table legs 200 are all had, using there is triangle joint block 210 on two table legs 200, so structurally, back-to-back Composite desk frame is equivalent to two traditional table frame and links together.

Attachment beam 300, quantity are two and respectively correspond the both ends of the telescoping crossbeam component, the attachment beam 300 Both ends be provided with connection skewback 310, the connection skewback 310 contradicts connection with the triangle joint block 210, to make institute State the both ends of attachment beam 300 respectively on the table leg 200 and the right crossbeam 120 on the left crossbeam 110 described in Table leg 200 is fixedly connected.

Preferably, the both ends of left crossbeam 110 and right crossbeam 120 have table leg 200, the table leg 200 in left 110 left side of crossbeam The table leg 200 in corresponding 120 left side of right crossbeam, the table leg 200 on corresponding right 120 right side of crossbeam of the table leg 200 on left 110 right side of crossbeam, Attachment beam 300 is for corresponding two table legs 200 to be fixed together, so that left crossbeam 110 be made to be fixed on one with right crossbeam 120 It rises, is equivalent to two traditional table frame combinations together, to form back-to-back table frame structure.

It is worth noting that, due to traditional table frame, only there is two table legs 200 and a crossbeam herein, so Attachment beam 300 is not needed, and in back-to-back composite desk frame, due to needing to connect left crossbeam 110 and right crossbeam 120 Together, fixed between attachment beam 300 and table leg 200 so needing to use attachment beam 300, and in existing connection type Get up more troublesome, is usually fixed using vertical screw, but this structure not only needs to set on table leg 200 Special fixing seat is set, and operating space is small, can not be fixed using electric screw driver, so installing time-consuming and laborious.

And in such a configuration, since inclined-plane can be passed through with triangle joint block 210 and connection skewback 310 It is fixed together, this makes it possible to possess sufficient operating space, furthermore, it is understood that being exactly to carry out oblique company by fixing bolt It connects.

Fixing bolt (is not drawn into) in figure, passes through the connection skewback 310 and the triangle joint block 210 obliquely To which the attachment beam 300 is fixed on the table leg 200；Preferably, the connection angle that wears of fixing bolt determines tool The operating space of body, it is just very difficult during installation when fixing bolt either vertically or horizontally connects, and connected by triangle The oblique connection of fixing bolt can be made by connecing block 210 and connecting the inclined-plane interconnecting piece that skewback 310 is formed, so as to utilize electricity Triangle joint block 210 is easily efficiently fixed together by dynamic screwdriver with skewback 310 is connect, thus convenient and efficient efficient Two corresponding table legs 200 are fixed together by attachment beam 300.

Flexible wire casing 400 comprising big wire casing 410 and small wire casing 420, the small wire casing 420 are slidably disposed in In the big wire casing 410, and the big wire casing 410 and the small wire casing 420 are connect with two attachment beams 300 respectively.

Preferably, the wire casing 400 that stretches is that one kind can change according to the length of telescoping crossbeam component and carry out flexible line Slot, and existing wire casing is often fixation, can not stretch, can not also carry out length variation, it in the present embodiment, will Flexible wire casing 400 divides for large and small wire casing 420, realized by way of socket it is free to slide, and large and small wire casing 420 respectively with Two attachment beams 300 are fixed together, and when telescoping crossbeam component is stretched, flexible wire casing 400 can also stretch, from And practical protect electric elements and electric wire.

As shown in Figure 1, Figure 2, Figure 3 shows, on the basis of the above embodiment, the table leg 200 is lifting structure, and institute State the adjustable pipe 230 that table leg 200 includes outer tube 220 and is threaded through in the outer tube 220, the adjustable pipe 230 and the left side Crossbeam 110 or the right crossbeam 120 connection.

It is worth noting that, table leg 200 is actually to go up and down tube assembly herein, and in general, table leg 200 has three Pipe is socketed to form, and outermost is exactly outer tube 220, and intermediate and innermost layer is exactly adjustable pipe 230, structurally, outside Pipe 220 is fixed, so it is used for fixed with attachment beam 300, and adjustable pipe 230 being capable of oscilaltion, it is preferred that actually Inner tube can oscilaltion, so that left crossbeam 110 be driven to be gone up and down with right crossbeam 120.

As shown in Figure 1, Figure 2, Figure 3 shows, on the basis of the above embodiment, the triangle joint block 210 includes flat part 211 and inclined plate portion 212, one end of the flat part 211 be connected on the outer tube 220, the inclined plate portion 212 is set in oblique Set the other end in the flat part 211.

Preferably, triangle joint block 210 is actually the link block with acute angle outer end, the triangle joint block 210 include flat part 211 and inclined plate portion 212, and in simple terms, triangle joint block 210 is actually a horizontal strip metal The structure that part is formed after bending, and the angle bent is acute angle, so that the both ends of triangle joint block 210 be made to pass through bending After can correspond to outer tube 220, it is preferred that horizontal part is fixed on outer tube 220, and the end in inclined plate portion 212 and outer tube 220 contradict and connect It connects, the triangle joint block 210 of this structure, primarily to forming a bevel structure for being connected and fixed, that is, shape At inclined plate portion 212, consequently facilitating connection.

As shown in Figure 1, Figure 2, Figure 3, Figure 4, on the basis of the above embodiment, the attachment beam 300 is tubular structure, The triangle joint block 210 is located in the end of the attachment beam 300, and the connection skewback 310 is supported with the inclined plate portion 212 Touching connection.

Preferably, attachment beam 300 is exactly that a square tube type structure passes through triangle joint when connecting with table leg 200 first Block 210 is tentatively fixed, since triangle joint block 210 is located in attachment beam 300, and flat part 211 and attachment beam 300 it is interior on Wall contradicts together, and two sides and two sidewalls contradict and connect, it is most important that, connect the tilt angle of both skewback 310 and inclined plate It is identical, so can fit together, to be fixedly connected.

It is worth noting that, traditional attachment beam 300 is attached by vertical screw hole herein, is operated in this way Space is small, and in the present embodiment, due to being capable of forming slanting screw hole, so not only by the way of inclined-plane connection Be conducive to stress, and have very big operating space in connection, screw can be operated with electric screw driver.

As shown in Figure 1, Figure 2, Figure 3 shows, on the basis of the above embodiment, it is offered on the connection skewback 310 vertical In the first screw hole 311 of the connection skewback 310, second perpendicular to the inclined plate portion 212 is offered in the inclined plate portion 212 Screw hole 213, when the connection skewback 310 is bonded with the inclined plate portion 212 described in the first screw hole 311 and second screw hole 213 connections.

Preferably, the first screw hole 311 and the second screw hole 213 are all inclined holes, are capable of forming bigger installation space in this way, During practical operation, fixing bolt be it is oblique wear, so user can be attached on attachment beam 300, And do not need to erect electric screw driver and erect, it is only necessary to be slightly slanted, being directed at inclined fixing bolt can be realized as It is fixed, it is very convenient.

In addition to this, since attachment beam 300 is connected horizontally, so only will receive the work of horizontal direction in stress Firmly, and fixing bolt be it is angularly disposed, stress is slanting, thus horizontal force action to connection bolt on when, can divide Solution is smaller skew force, so fixing bolt is not easy to loosen, connection very securely.

As shown in Figure 1, Figure 4, Figure 5, on the basis of the above embodiment, the big wire casing 410 and the small wire casing The installation cavity 430 for installing electrical component and cable is provided in 420.

Preferably, small wire casing 420 is threaded through in big wire casing 410, in this way can be free to slide, to change the length of wire casing Degree, to be adapted to telescopic beam structure.

As shown in Figure 1, Figure 4, Figure 5, on the basis of the above embodiment, positioning spiral shell is provided on the small wire casing 420 Hole 421 is provided with strip gab 411, the moving along the positioning screw hole 421 of strip gab 411 on the big wire casing 410 Track is arranged, and is provided with the positioning bolt being threaded through in the positioning screw hole 421 in the strip gab 411 and (does not draw in figure Out), the small wire casing 420 is kept fixed by the positioning bolt with the big wire casing 410.

Preferably, the identical positioning screw hole 421 in horizontal position there are two being opened up on the side wall of small wire casing 420, and small wire casing 420 can slide in big wire casing 410, sliding when, the motion track of positioning screw hole 421 be it is linear, strip gab 411 is just It is the horizontal strip slot opened up along the motion track, small wire casing 420 is moved anyway in shift motion, opened in bar shaped In mouth 411, when positioning bolt is threaded through in positioning screw hole 421, big wire casing 410 is fixed with small wire casing 420, and the two can not be opposite Sliding, when unclamping positioning bolt, is then able to carry out sliding, is convenient for practical adjustments.

As shown in Figure 1, Figure 4, Figure 5, on the basis of the above embodiment, offered on the big wire casing 410 with it is described The line row of openings 412 that installation cavity 430 is connected to, the line row of openings 412 is for installing embedded electric power plug socket.

Preferably, the design of line row of openings 412 can be convenient for installing embedded electric power plug socket in big wire casing 410, thus Convenient for actual installation wiring.

As shown in Figure 1, Figure 4, Figure 5, on the basis of the above embodiment, the bottom of the attachment beam 300 is provided with behaviour Make opening 320, the corresponding connection skewback 310 of the operation aperture 320.

Preferably, in order to which reality is when with electric screw driver, there can be conveniently installation control, so connecting A rectangular operation aperture 320 is opened up on the bottom of beam 300, user can grasp by the operation aperture 320 of downside Make, specifically in operation, electric screw driver is extend into operation aperture 320, then screwed in place bolt.

As shown in Figure 1, Figure 2, Figure 3 shows, on the basis of the above embodiment, the flat part 211, the inclined plate portion 212 And the outer tube 220 forms the structure that cross section is right angled triangle, it is preferred that is worth triangular structure of right angle herein, just It is the cross-sectional shape of the right angled triangle of side wall, flat part 211 and inclined plate portion 212 composition of outer tube 220, when this triangle It is very reliable and stable when the triangle joint block 210 of shape structure is located in attachment beam 300, and do not allow with triangle also Easily-deformable feature.

The specific embodiments described herein are merely examples of the spirit of the present invention.The utility model institute Belonging to those skilled in the art can make various modifications or additions to the described embodiments or using similar Mode substitute, but without departing from the spirit of the present application or beyond the scope of the appended claims.

Claims (10)

1. a kind of back-to-back composite desk frame characterized by comprising

Telescoping crossbeam component comprising left crossbeam and right crossbeam, the left crossbeam and the right crossbeam are arranged in parallel, described The both ends of left crossbeam and the both ends of the right crossbeam are provided with table leg, and triangle joint block is provided on the table leg；

Attachment beam, quantity is two and respectively corresponds the both ends of the telescoping crossbeam component, and the both ends of the attachment beam are all provided with It is equipped with connection skewback, the connection skewback and the triangle joint block, which contradict, to be connected, so that the both ends of the attachment beam be made to distinguish It is fixedly connected with the table leg on the table leg and the right crossbeam on the left crossbeam；

Fixing bolt passes through the connection skewback and the triangle joint block obliquely to which the attachment beam to be fixed on On the table leg；

Flexible wire casing comprising big wire casing and small wire casing, the small wire casing is slidably disposed in the big wire casing, and institute It states big wire casing and the small wire casing is connect with two attachment beams respectively.

2. back-to-back composite desk frame as described in claim 1, it is characterised in that: the table leg is lifting structure, and The table leg includes outer tube and the adjustable pipe that is threaded through in the outer tube, the adjustable pipe and the left crossbeam or the right side Crossbeam connection.

3. back-to-back composite desk frame as described in claim 2, it is characterised in that: the triangle joint block includes flat part And inclined plate portion, one end of the flat part are connected on the outer tube, the inclined plate portion is in angularly disposed in the flat part The other end.

4. back-to-back composite desk frame as described in claim 3, it is characterised in that: the attachment beam is tubular structure, institute It states triangle joint block to be located in the end of the attachment beam, and the connection skewback and the inclined plate portion contradict and connect.

5. back-to-back composite desk frame as described in claim 4, it is characterised in that: offered on the connection skewback vertical In offering the second screw hole perpendicular to the inclined plate portion on the first screw hole of the connection skewback, the inclined plate portion, when described First screw hole described in when connection skewback is bonded with the inclined plate portion is connected to second screw hole.

6. back-to-back composite desk frame as described in claim 5, it is characterised in that: the big wire casing and the small wire casing Inside it is provided with the installation cavity for installing electrical component and cable.

7. back-to-back composite desk frame as described in claim 6, it is characterised in that: be provided with positioning spiral shell on the small wire casing Hole is provided with strip gab on the big wire casing, and the strip gab is arranged along the motion track of the positioning screw hole, the item Be provided with the positioning bolt being threaded through in the positioning screw hole in shape opening, the small wire casing by the positioning bolt with it is described Big wire casing is kept fixed.

8. back-to-back composite desk frame as described in claim 7, it is characterised in that: offered on the big wire casing with it is described The line row of openings of installation cavity connection, the line row of openings is for installing embedded electric power plug socket.

9. back-to-back composite desk frame as described in claim 5, it is characterised in that: the bottom of the attachment beam is provided with behaviour It is open, the operation aperture corresponds to the connection skewback.

10. back-to-back composite desk frame as described in claim 5, it is characterised in that: the flat part, the inclined plate portion with And the outer tube forms the structure that cross section is right angled triangle.