CN209436687U

CN209436687U - Project cost office chair

Info

Publication number: CN209436687U
Application number: CN201822191105.6U
Authority: CN
Inventors: 付佳
Original assignee: Beijing Fujia Huixiang Engineering Cost Consulting Co Ltd
Current assignee: Beijing Fujia Huixiang Engineering Cost Consulting Co Ltd
Priority date: 2018-12-25
Filing date: 2018-12-25
Publication date: 2019-09-27
Anticipated expiration: 2028-12-25

Abstract

The utility model relates to a kind of project cost office chair, including shell, enclosure interior is horizontally disposed drawer, backrest is provided with above shell, L-type plate is fixedly connected in inner walls, drawer bottom is fixedly connected with U-shaped board, and U-shaped board is arranged above L-type plate and U-shaped board is slidably connected with L-type plate.The utility model has the effect of increasing storage space.

Description

Project cost office chair

Technical field

The utility model relates to project cost technical fields, more particularly, to a kind of project cost office chair.

Background technique

Project cost generally refers to the expense that a certain engineering construction is spent, i.e., delivers from establishing to being completed used complete Portion's expense, including building installation engineering is taken, equipment utensil purchase commodity, engineering construction and other fees and preliminary expenses and tax etc. Various expense compositions.Construction engineering cost budgeter is at work, it is often necessary to consult a large amount of Technological Economy data and phase The numerous needs of the book and file of pass sort out storage, it is therefore desirable to very big storage space.

Prior art project cost office chair, including supporting leg, seat plate and backrest, supporting leg are fixedly connected on the following table of seat plate The side in face, backrest is fixedly connected on the upper surface of seat plate.

But in above structure, although staff can be sitting in project cost and be handled official business on office chair, during the work time It usually needs to look through a great amount of information and the various needs classification of working document is stored, it is therefore desirable to very big storage space.

Utility model content

The purpose of the utility model is to provide a kind of project cost office chairs, have and increase the effect of storage space Fruit.

The above-mentioned purpose of utility model of the utility model has the technical scheme that

A kind of project cost office chair, including shell, enclosure interior is horizontally disposed drawer, is provided with and leans on above shell It carries on the back, L-type plate is fixedly connected in inner walls, drawer bottom is fixedly connected with U-shaped board, and U-shaped board is arranged above L-type plate and U Template is slidably connected with L-type plate.

By using above-mentioned technical proposal, the staff of construction engineering cost is in the daily work, it is often necessary to consult A large amount of Technological Economy data and relevant books and the numerous needs of file, which are sorted out, to be stored, it is therefore desirable to which very big storage is empty Between, project cost slidably connects drawer with enclosure interior in office chair, and drawer can store file, thus project cost Have the effect of increasing storage space with office chair, L-type plate is fixedly connected on the inner wall of the housing, and U-shaped board is fixedly connected on pumping Drawer bottom, U-shaped board is arranged above L-type plate and U-shaped board is slidably connected with L-type plate, and L-type plate plays support to support U-shaped board and makees With keeping the sliding of drawer inside housings more stable, to improve the reliability of project cost office chair.

The utility model is further arranged to: the U-shaped board opening inner side is rotatably connected to multiple horizontal homogeneous settings Roller, roller rotating direction is consistent with L-type plate length direction, and U-shaped board is rotatably supported in above L-type plate by roller.

By using above-mentioned technical proposal, roller is rotatably connected on U-shaped board opening inner side and rotating direction and L-type plate length Direction is consistent, and U-shaped board is rotatably supported in above L-type plate by roller, and the setting of roller allows rolling of the U-shaped board by roller Realization is more reliable and more stable in the sliding and structure with L-type plate, to improve the reliability of project cost office chair.

The utility model is further arranged to: the L-type plate side horizontal offers multiple fixation holes, and L-type plate passes through certainly Tapping passes through fixation hole and is immobilized in the shell on wall.

By using above-mentioned technical proposal, L-type plate side horizontal offers multiple fixation holes, and L-type plate passes through self-tapping screw It is immobilized in the shell on wall across fixation hole, keeps the fixation of L-type plate and shell more secured, and the use of self-tapping screw makes L-type Plate installation easy to disassemble.

The utility model is further arranged to: the tip position of described U-shaped board one end is fixedly connected with stiffening plate, stiffening plate It is fixed on drawer side surface.

By using above-mentioned technical proposal, the tip position of U-shaped board one end is fixedly connected with stiffening plate, and stiffening plate is fixed on On drawer side surface, the setting of stiffening plate keeps the fixation of U-shaped board and drawer more secured, to improve project cost office chair Reliability.

The utility model is further arranged to: the housing upper surface is fixedly connected with that there are two horizontally disposed and be parallel to each other Fixed block, be fixedly connected with fixing axle among two fixed blocks, fixing axle surface is fixedly connected with baffle, and backrest passes through fixation Axis and two fixed blocks are rotatablely connected, and backrest bottom offers limiting slot, limiting slot and baffle fit close to the position of fixing axle.

By using above-mentioned technical proposal, fixing axle is fixedly connected among two fixed blocks, fixing axle surface is fixed to be connected It is connected to baffle, backrest is rotatablely connected by fixing axle and two fixed blocks, and backrest bottom opens up limited close to the position of fixing axle Position slot, limiting slot and baffle fit, backrest can rotate to side and be bonded completely with housing top surface, at project cost office chair In collapsed state, then project cost office chair can enter to reduce space occupied inside desk, and backrest can revolve Turn certain angle to limiting slot and touch baffle surface stopping, project cost office chair is in the open state, to improve The reliability of project cost office chair.

The utility model is further arranged to: the housing bottom is provided with multiple universal wheels, and universal wheel includes fixed plate And bracket, fixed plate are fixedly connected on housing bottom, bracket and fixed plate are rotatablely connected, and internal stent is rotated by positioning pin to be connected It is connected to wheel body.

By using above-mentioned technical proposal, universal wheel setting can be mobile by universal wheel and be moved in housing bottom, shell It can be with 360 ° of any rotations, so that project cost office chair can be mobile by universal wheel and shell can be moved to work when dynamic The inside of journey cost desk, and then improve the reliability of project cost office chair.

The utility model is further arranged to: the positioning pin both ends are threaded with nut and are arranged in bracket two Side.

By using above-mentioned technical proposal, positioning pin both ends are threaded with nut and are arranged in bracket two sides, positioning The setting of pin can remove positioning by backing out both sides nut so that when wheel body is needed replacing due to long-time service failure It sells, installs positioning pin after the wheel body more renewed and tighten both sides nut, to improve the reliability of project cost office chair.

The utility model is further arranged to: the backrest is provided with hanging block one far from the side of drawer, and shell is separate The side of project cost desk is relatively fixed to be connected with hanging block two, and hanging block one is hinged on by back, hanging block two with Telescopic device is provided among corresponding hanging block one.

By using above-mentioned technical proposal, side of the backrest far from drawer is arranged in hanging block one, and the setting of hanging block two exists Telescopic device, the setting of telescopic device are provided among side of the shell far from drawer, hanging block two and corresponding hanging block one Project cost be fixed can to backrest in the open state with office chair, it can be by stretching when backrest is by external force Compression apparatus will not be withdrawn easily, when needing folding back, remove telescopic device.

The utility model is further arranged to: the telescopic device includes spring and elastic string, and one end of elastic string is fixed Be connected to one end of spring, spring is fixedly connected on hanging block two far from one end of elastic string, elastic string far from spring one End is fixedly connected on hanging block one.

By using above-mentioned technical proposal, telescopic device includes spring and elastic string, and one end of elastic string is fixedly connected on One end of spring, spring are fixedly connected on hanging block two far from one end of elastic string, and elastic string is fixed far from one end of spring It is connected on hanging block one, will not be withdrawn easily when the setting of telescopic device makes backrest by external force, when needing folding back, Telescopic device is removed, the setting of elastic string can be driven spring to avoid bullet when being pressed on shell when backrest by external force Not recoverable deformation occurs for spring, to improve the reliability of project cost office chair.

In conclusion advantageous effects of the invention are as follows:

1. the staff of construction engineering cost is in the daily work, it is often necessary to consult a large amount of Technological Economy data and The relevant books and numerous needs of file sort out storage, it is therefore desirable to very big storage space, in project cost office chair Enclosure interior slidably connects drawer, and drawer can store file, so that project cost office chair, which has, increases storage The effect in space is deposited, L-type plate is fixedly connected on the inner wall of the housing, and U-shaped board is fixedly connected on drawer bottom, and U-shaped board is arranged in L-type Above plate and U-shaped board is slidably connected with L-type plate, and L-type plate makes drawer inside housings to supporting U-shaped board to play a supporting role Sliding is more stable, to improve the reliability of project cost office chair；

2. roller is rotatably connected on U-shaped board opening inner side and rotating direction is consistent with L-type plate length direction, U-shaped board passes through Roller is rotatably supported in above L-type plate, and the setting of roller allows U-shaped board to pass through the scrolling realization of roller and the sliding of L-type plate And it is more reliable and more stable in structure, to improve the reliability of project cost office chair；

3. being fixedly connected with fixing axle among two fixed blocks, fixing axle surface is fixedly connected with baffle, and backrest passes through solid Dead axle and two fixed blocks are rotatablely connected, and backrest bottom offers limiting slot close to the position of fixing axle, and limiting slot is matched with baffle It closes, backrest can rotate to side and be bonded completely with housing top surface, and project cost is in collapsed state with office chair, then engineering Cost office chair can enter to reduce space occupied inside desk, and backrest can rotate an angle to limiting slot touching Encounter baffle surface stopping, project cost office chair is in the open state, so that improve project cost office chair can By property.

Detailed description of the invention

Fig. 1 is the structural schematic diagram that the utility model and project cost are used cooperatively with desk；

Fig. 2 is the utility model overall structure diagram；

Fig. 3 is drawer structure schematic diagram；

Fig. 4 is L-type plate and U-shaped board attachment structure schematic diagram；

Fig. 5 is Universal wheel structure schematic diagram；

Fig. 6 is the partial enlargement diagram of part A in Fig. 1.

In figure, 1, project cost desk；2, shell；3, drawer；31, L-type plate；311, fixation hole；32, U-shaped board； 321, stiffening plate；33, roller；4, universal wheel；41, fixed plate；42, bracket；43, positioning pin；44, nut；45, wheel body；5, it leans on Back；51, fixed block；52, fixing axle；53, baffle；54, limiting slot；55, hanging block one；56, hanging block two；6, telescopic device； 61, spring；62, elastic string.

Specific embodiment

The utility model is described in further detail below in conjunction with attached drawing.

It referring to Fig.1, is a kind of project cost office chair disclosed by the utility model, for cooperating project cost to handle official business The use of table 1, project cost desk 1 are U-shaped structure, and project cost may be advanced into project cost with office chair and handle official business To save space inside table 1, project cost office chair includes shell 2, and 2 inner horizontal of shell is provided with drawer 3, and drawer 3 is set Three layers and parallel to each other between layers are equipped with, drawer 3 is slidably connected inside shell 2, in conjunction with Fig. 3 and Fig. 4, inside shell 2 Horizontally disposed there are six L-type plates 31, and every two L-type plate 31 is oppositely arranged and the side horizontal of L-type plate 31 offers two rows of fixations Hole 311, L-type plate 31 pass through fixation hole 311 by self-tapping screw and are fixedly connected on 2 inner wall of shell, and 3 bottom surface of drawer is fixedly connected There is U-shaped board 32, U-shaped board one end tip position is fixedly connected with stiffening plate 321, and stiffening plate 321 is fixed on the side of drawer 3, U-shaped 32 inner rotation of plate is connected with multiple rollers 33, and multiple 33 rotating directions of roller are consistent with 31 length direction of L-type plate and horizontal equal Even setting, U-shaped board 32 through 33 rolling support of roller above L-type plate 31, slided with L-type plate 31 by roller 33 by U-shaped board 32 Connection.

Referring to Fig.1,2 bottom four corners position of shell has been respectively fixedly connected with a universal wheel 4, and in conjunction with Fig. 5, universal wheel 4 is wrapped Fixed plate 41 and bracket 42 are included, universal wheel 4 is fixed on 2 bottom four corners position of shell by fixed plate 41, rotates at the top of bracket 42 It is connected in fixed plate 41, wheel body 45 is rotatably connected to by positioning pin 43 inside bracket 42,43 both ends of positioning pin are threadedly coupled There is nut 44 to be fixed on bracket 42.

Referring to Fig. 2, the relatively fixed connection in 2 upper surface of shell there are two fixed block 51 and two fixed blocks 51 it is parallel to each other, In conjunction with Fig. 6, it is fixedly connected with fixing axle 52 among two fixed blocks 51, baffle 53, baffle 53 are provided on 52 surface of fixing axle It is fixedly connected on 52 surface of fixing axle, backrest 5 is provided with above shell 2, backrest 5 passes through fixing axle 52 and two 51 turns of fixed block Dynamic connection, 5 bottom of backrest offer limiting slot 54 close to the position of fixing axle 52, and limiting slot 54 and baffle 53 cooperate, backrest 5 with Two fixed blocks 51 are by the way that in 52 rotation process of fixing axle, baffle 53 can touch the surface of limiting slot 54, and backrest 5 can rotate Certain angle to limiting slot 54 touches the stopping of 53 surface of baffle, and project cost office chair is in the open state, when engineering is made When valence needs to pack up with office chair, backrest 5 can rotate to the state that side is bonded with the top surface of shell 2, at this time project cost It is in collapsed state with office chair, may be advanced into the inside of project cost desk to reduce space occupied.

Referring to Fig. 6, there are two hanging blocks 1 for side setting of the backrest 5 far from drawer 3, and two hanging blocks 1 are with respect to water Flat to be arranged and be hinged on backrest 5, corresponding with two hanging blocks 1, there are two suspensions for the relatively fixed connection in the side of shell 2 Telescopic device 6 is provided among block 2 56, hanging block 2 56 and corresponding hanging block 1, telescopic device 6 includes 61 He of spring Elastic string 62, one end of elastic string 62 are fixedly connected on one end of spring 61, and the one end of spring 61 far from elastic string 62 is fixed to be connected It connects on hanging block 2 56, elastic string 62 is fixedly connected on hanging block 1 far from one end of spring 61.Telescopic device 6 is set Setting will not withdraw when making backrest 5 by external force easily, when needing folding back 5, remove telescopic device 6, elastic string 62 Setting can when backrest 5 by external force drive spring 61 be pressed on shell 2 when avoid spring 61 occur it is not recoverable Deformation, to improve the reliability of project cost office chair.

The embodiment of present embodiment is the preferred embodiment of the utility model, not limits guarantor of the invention according to this Range is protected, therefore: the equivalence changes that all structures under this invention, shape, principle are done should all be covered by protection scope of the present invention Within.

Claims

1. a kind of project cost office chair, including shell (2), shell (2) inner horizontal is provided with drawer (3), on shell (2) Side is provided with backrest (5), it is characterised in that: is fixedly connected with L-type plate (31) on shell (2) inner wall, drawer (3) bottom is fixed to be connected It is connected to U-shaped board (32), U-shaped board (32) setting is above L-type plate (31) and U-shaped board (32) is slidably connected with L-type plate (31).

2. project cost office chair according to claim 1, it is characterised in that: U-shaped board (32) opening inner side turns The dynamic roller (33) for being connected with multiple horizontal homogeneous settings, roller (33) rotating direction is consistent with L-type plate (31) length direction, U Template (32) is rotatably supported in above L-type plate (31) by roller (33).

3. project cost office chair according to claim 1, it is characterised in that: L-type plate (31) side horizontal is opened Equipped with multiple fixation holes (311), L-type plate (31) passes through fixation hole (311) by self-tapping screw and is fixed on shell (2) inner wall.

4. project cost office chair according to claim 1, it is characterised in that: the end of described U-shaped board (32) one end Position is fixedly connected with stiffening plate (321), and stiffening plate (321) is fixed on drawer (3) side.

5. project cost office chair according to claim 1, it is characterised in that: shell (2) upper surface is fixed to be connected It connects there are two fixed block (51) that is horizontally disposed and being parallel to each other, two fixed blocks (51) are intermediate to be fixedly connected with fixing axle (52), fixing axle (52) surface is fixedly connected with baffle (53), and backrest (5) is turned by fixing axle (52) and two fixed blocks (51) Dynamic connection, backrest (5) bottom offer limiting slot (54) close to the position of fixing axle (52), and limiting slot (54) is matched with baffle (53) It closes.

6. project cost office chair according to claim 1, it is characterised in that: shell (2) bottom is provided with more A universal wheel (4), universal wheel (4) include fixed plate (41) and bracket (42), and fixed plate (41) is fixedly connected on shell (2) bottom Portion, bracket (42) and fixed plate (41) are rotatablely connected, and are rotatably connected to wheel body (45) by positioning pin (43) inside bracket (42).

7. project cost office chair according to claim 6, it is characterised in that: positioning pin (43) the both ends screw thread connects It is connected to nut (44) and is arranged in bracket (42) two sides.

8. project cost office chair according to claim 5, it is characterised in that: the backrest (5) is far from drawer (3) Side is provided with hanging block one (55), and side of the shell (2) far from project cost desk (1) is relatively fixed to be connected with suspension Block two (56), hanging block one (55) are hinged on backrest (5), are arranged among hanging block two (56) and corresponding hanging block one (55) There are telescopic device (6).

9. project cost office chair according to claim 8, it is characterised in that: the telescopic device (6) includes spring (61) and elastic string (62), one end of elastic string (62) are fixedly connected on one end of spring (61), and spring (61) is far from elastic string (62) one end is fixedly connected on hanging block two (56), and elastic string (62) is fixedly connected on suspension far from the one end of spring (61) On block one (55).