CN209219407U - A kind of beam leg connection structure of back-to-back composite desk frame - Google Patents

Abstract

The utility model provides a kind of beam leg connection structure of back-to-back composite desk frame, it include: crossbeam, table leg, attachment beam and fixing bolt, the table leg is connect with the crossbeam, and triangle joint block is provided on the table leg, the end of the attachment beam is provided with connection skewback, the connection skewback and the triangle joint block, which contradict, to be connected, and the fixing bolt passes through the connection skewback and the triangle joint block obliquely, so that the attachment beam be made to be fixedly connected with the table leg.The utility model has the following beneficial effects: being connected between table leg and attachment beam more convenient reliable.

Description

A kind of beam leg connection structure of back-to-back composite desk frame

Technical field

The utility model belongs to composite desk frame technical field, is related to a kind of beam leg connection knot of back-to-back composite desk frame Structure.

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, but Attachment beam between table leg be fixed up it is more troublesome, have 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 The beam leg connection structure of frame.

The purpose of this utility model can be realized by the following technical scheme: a kind of beam leg company of back-to-back composite desk frame Binding structure, comprising: crossbeam, table leg, attachment beam and fixing bolt, the table leg are connect with the crossbeam, and on the table leg It is provided with triangle joint block, the end of the attachment beam is provided with connection skewback, the connection skewback and the triangle joint block Connection is contradicted, the fixing bolt passes through the connection skewback and the triangle joint block obliquely, to make the connection Beam is fixedly connected with the table leg.

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 crossbeam, and the triangle joint block is connected on the outer tube.

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, and the flat part, the inclined plate portion and institute It states outer tube and forms the structure that cross section is right angled triangle.

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

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

1, it is connected between table leg and attachment beam more convenient reliable.

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

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

In figure, 100, crossbeam；200, table leg；210, triangle joint block；211, flat part；212, inclined plate portion；213, second Screw hole；220, outer tube；230, adjustable pipe；300, attachment beam；310, skewback is connected；311, the first screw hole；320, operation aperture.

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 shows, the beam leg connection structure of a kind of back-to-back composite desk frame, comprising: crossbeam 100, table Leg 200, attachment beam 300 and fixing bolt (being not drawn into figure), the table leg 200 is connect with the crossbeam 100, and the table Triangle joint block 210 is provided on leg 200, the end of the attachment beam 300 is provided with connection skewback 310, the connection skewback 310 contradict with the triangle joint block 210 and connect, and the fixing bolt passes through the connection skewback 310 and described obliquely Triangle joint block 210, so that the attachment beam 300 be made to be fixedly connected with the table leg 200.

It preferably, is the company being mainly applied between two 100 structures of crossbeam in beam leg connection structure above-mentioned It connects, more specifically, back-to-back composite desk frame is of virtually two crossbeams 100, referred to herein as left crossbeam 100 and right cross Beam 100 all has table leg 200 on two crossbeams 100, and the both ends of attachment beam 300 are connect with two table legs 200, to make left cross Beam 100 is fixed together with right crossbeam 100.

It is worth noting that, due to traditional table frame, only there is two table legs 200 and a crossbeam 100, institute herein Not need attachment beam 300, and in back-to-back composite desk frame, due to needing to connect left crossbeam 100 and right crossbeam 100 It is connected together, so need to use attachment beam 300, and in existing connection type, it is solid between attachment beam 300 and table leg 200 Surely get up more troublesome, be usually fixed using vertical screw, but this structure not only needs 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.

Preferably, the connection angle that wears of fixing bolt determines specific operating space, when fixing bolt is vertical or It is just very difficult during installation when horizontal connection, and formed by triangle joint block 210 and connection skewback 310 oblique Face interconnecting piece can make the oblique connection of fixing bolt, so as to utilize electric screw driver easily efficiently by triangle joint Block 210 is fixed together with skewback 310 is connect, and thus the convenient and efficient attachment beam 300 that efficiently passes through is by two corresponding tables Leg 200 is fixed together.

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 cross Beam 100 connects, and the triangle joint block 210 is connected on the outer tube 220.

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 crossbeam 100 be driven to be gone up and down.

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 The other end in the flat part 211 is set, and the flat part 211, the inclined plate portion 212 and the outer tube 220 form cross Section is the structure of right angled triangle.

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.

Preferably, it is worth triangular structure of right angle herein, is exactly the side wall, flat part 211 and inclined plate portion of outer tube 220 The cross-sectional shape of 212 right angled triangles constituted, when the triangle joint block 210 of this triangular structure is located at attachment beam 300 It is very reliable and stable when interior, and also have the characteristics that being not easy to deform for triangle.

As shown in Figure 1, Figure 2, Figure 3 shows, on the basis of the above embodiment, the attachment beam 300 is tubular structure, described Triangle joint block 210 is located in the end of the attachment beam 300, and the connection skewback 310 and the inclined plate portion 212 contradict and connect It connects.

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 2, Figure 3 shows, 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.

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 (6)

1. a kind of beam leg connection structure of back-to-back composite desk frame characterized by comprising crossbeam, table leg, attachment beam and Fixing bolt, the table leg are connect with the crossbeam, and triangle joint block is provided on the table leg, the end of the attachment beam It is provided with connection skewback, the connection skewback and the triangle joint block, which contradict, to be connected, and the fixing bolt passes through institute obliquely Connection skewback and the triangle joint block are stated, so that the attachment beam be made to be fixedly connected with the table leg.

2. the beam leg connection structure of composite desk frame back-to-back 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 cross Beam connection, the triangle joint block are connected on the outer tube.

3. the beam leg connection structure of back-to-back composite desk frame as described in claim 2, it is characterised in that: the triangle connects Connecing block includes flat part and inclined plate portion, and one end of the flat part is connected on the outer tube, and the inclined plate portion is set in oblique The other end in the flat part is set, and it is right angle three that the flat part, the inclined plate portion and the outer tube, which form cross section, Angular structure.

4. the beam leg connection structure of back-to-back composite desk frame as described in claim 3, it is characterised in that: the attachment beam For tubular structure, the triangle joint block is located in the end of the attachment beam, and the connection skewback is supported with the inclined plate portion Touching connection.

5. the beam leg connection structure of back-to-back composite desk frame as described in claim 4, it is characterised in that: the connection is oblique The first screw hole perpendicular to the connection skewback is offered on block, and the perpendicular to the inclined plate portion is offered in the inclined plate portion Two screw holes, when the connection skewback is bonded with the inclined plate portion described in the first screw hole be connected to second screw hole.

6. the beam leg connection structure of back-to-back composite desk frame as described in claim 1, it is characterised in that: the attachment beam Bottom be provided with operation aperture, the operation aperture corresponds to the connection skewback.