CN211044946U - Notice board for building engineering management - Google Patents

Abstract

The utility model discloses a bulletin board for building engineering management, which comprises a shell and a clamping unit for clamping bulletin sheets, wherein the bottom of the shell is uniformly and symmetrically fixed with supporting legs, the clamping unit comprises a clamping rod, a chain wheel, a chain, a worm wheel and a worm, the supporting legs are composed of an insertion rod and sleeve columns sleeved outside the insertion rod, a bidirectional screw rod is rotatably connected between the sleeve columns at one side of the bottom of the shell, internal thread sleeves are sleeved on thread sections at two sides of the bidirectional screw rod and are in threaded connection with the bidirectional screw rod, the top of the two internal thread sleeves are respectively hinged with two ends at the bottom of a scissor piece, two ends at the top of the scissor piece are respectively hinged with a connecting slide block, the connecting slide block is in sliding connection with the bottom of the shell, the clamping unit is arranged, the operation is simple, the convenience and the practicability are realized, paste, glue and the like, the convenient clamping notice sheet is provided with the bidirectional screw rod, the shearing fork piece and the internal thread sleeve, and the shell can be adjusted to be at a proper height.

Description

Notice board for building engineering management

Technical Field

The utility model relates to a building engineering technical field specifically is a bulletin board for building engineering management.

Background

The building engineering refers to an engineering entity formed by the construction of various building constructions and their auxiliary facilities and the installation of lines, pipelines and equipment matched with them. The house building is characterized by comprising a top cover, a beam column, a wall, a foundation and a project which can form an internal space and meet the requirements of people on production, living, study and public activities.

The existing bulletin board has a simple structure, and bulletin sheets are required to be adhered by various glue and paste, so that the bulletin board is not attractive and difficult to clean.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a bulletin board for building engineering management to solve above-mentioned problem.

In order to achieve the above object, the utility model provides a following technical scheme:

a bulletin board for building engineering management comprises a shell and a clamping unit for clamping bulletin sheets, wherein supporting legs are uniformly and symmetrically fixed at the bottom of the shell, the clamping unit comprises clamping rods, chain wheels, chains, worm wheels and worms, an installation shaft is vertically rotatably installed in the shell, the chain wheels are installed at two ends of the installation shaft, the chains are connected between the chain wheels at the same side of the shell, a plurality of clamping rods are fixedly connected between the two chains, a clamping piece for clamping the bulletin sheets is installed on the clamping rods, the clamping rods are provided with through grooves, the clamping piece 7 comprises a pressing plate, a pin and a spring, the pin penetrates into the through groove of the clamping rods, the pressing plate is fixed at one end of the pin in the through groove, a stretching spring is sleeved on a rod section of the pin outside the clamping rods, and two ends of the stretching spring are respectively fixedly connected with the clamping rods and the ends of, two an end fixed mounting in the installation axle has the worm wheel, rotate on the casing lateral wall and install the worm with worm wheel meshing.

On the basis of the technical scheme, the utility model discloses still provide following optional technical scheme:

in one alternative: and a first rocking handle is fixed at the bottom end of the worm.

In one alternative: and a rain shield is fixedly arranged at the top of the shell.

In one alternative: and rollers are mounted at the bottom ends of the supporting legs.

In one alternative: the supporting leg is located the loop post that inserts the outside pole by insert pole and cover and is constituted, insert pole top and casing bottom fixed connection, it is connected with two-way lead screw to rotate between the loop post of casing bottom one side, all the cover is equipped with the internal thread cover on the both sides screw thread section of two-way lead screw, internal thread cover and two-way lead screw threaded connection, the guide bar is worn to be equipped with by internal thread cover bottom, the guide bar both ends respectively with loop post fixed connection, two internal thread cover top is articulated with scissors piece bottom both ends respectively, scissors piece top both ends all articulate has link block, link block and casing bottom sliding connection.

In one alternative: and one end of the bidirectional screw rod is fixedly provided with a second rocking handle.

In one alternative: the bottom of the shell is provided with a sliding groove for connecting the sliding block in a sliding manner.

Compared with the prior art, the beneficial effects of the utility model are as follows:

1. the clamping unit is arranged and comprises a clamping rod, a chain wheel, a chain, a worm wheel and a worm, a clamping piece for clamping the notice sheet is arranged on the clamping rod, the clamping piece comprises a pressing plate, a pin and a spring, the pressing plate is enabled to press the notice sheet tightly through the elasticity of a tension spring, the operation is simple, the convenience and the practicability are realized, the paste, the glue and the like are not needed, the environment is protected, the cleaning is easier, the worm is driven to rotate through a first rocking handle, the worm drives an installation shaft to rotate through the worm wheel, the installation shaft drives the chain to move through the chain wheel, the height of the clamping rod can be adjusted, and the clamping of the notice sheet;

2. the bidirectional screw rod, the shearing fork piece and the internal thread sleeve are arranged, the bidirectional screw rod is rotated, the bidirectional screw rod drives the two internal thread sleeves to be close to or far away from each other, the internal thread sleeve drives the shell to lift through the shearing fork piece, and the shell is adjusted to be at a proper height.

Drawings

Fig. 1 is a schematic structural diagram of a first embodiment of the present invention.

Fig. 2 is a schematic structural view of the clamping rod in the first embodiment of the present invention.

Fig. 3 is a three-dimensional view of the clamping bar according to the first embodiment of the present invention.

Fig. 4 is a schematic structural diagram of a second embodiment of the present invention.

Notations for reference numerals: 1-shell, 2-chain wheel, 3-clamping rod, 4-chain, 5-mounting shaft, 6-rain baffle, 7-clamping piece, 8-worm wheel, 9-worm, 10-first rocking handle, 11-second rocking handle, 12-supporting leg, 13-roller, 14-connecting slide block, 15-shearing fork piece, 16-internal thread sleeve, 17-bidirectional screw rod, 18-guide rod, 19-door body, 20-pressing plate, 21-tension spring and 22-through groove.

Detailed Description

The present invention will be described in detail with reference to the following embodiments, wherein like or similar elements are designated by like reference numerals throughout the drawings or description, and wherein the shape, thickness or height of the various elements may be expanded or reduced in practical applications. The embodiments of the present invention are provided only for illustration, and not for limiting the scope of the present invention. Any obvious and obvious modifications or alterations to the present invention can be made without departing from the spirit and scope of the present invention.

Example 1

Referring to fig. 1 to 3, in an embodiment of the present invention, a bulletin board for building engineering management includes a housing 1 and a clamping unit for clamping a bulletin sheet, a rain shield 6 is fixedly mounted on a top of the housing 1, the rain shield 6 is preferably of an inverted V shape, support legs 12 are uniformly and symmetrically fixed on a bottom of the housing 1, rollers 13 are mounted on bottom ends of the support legs 12, the rollers 13 are self-locking rollers to facilitate movement of the device, further, the support legs 12 are composed of an insertion rod and a sleeve post sleeved outside the insertion rod, a top end of the insertion rod is fixedly connected with a bottom of the housing 1, a bidirectional screw 17 is rotatably connected between the sleeve posts on one side of the bottom of the housing 1, a second rocking handle is fixedly mounted on one end of the bidirectional screw 17, an internal screw sleeve 16 is sleeved on both side screw segments of the bidirectional screw 17, the internal screw sleeve 16 is in threaded connection with the bidirectional screw 17, a guide rod 18 penetrates through the bottom of the internal thread sleeve 16, two ends of the guide rod 18 are fixedly connected with sleeve columns respectively, the tops of the two internal thread sleeves 16 are hinged with two ends of the bottom of a scissor piece 15 respectively, two ends of the top of the scissor piece 15 are hinged with connecting sliding blocks 14, the connecting sliding blocks 14 are connected with the bottom of the shell 1 in a sliding mode, a sliding groove for the connecting sliding blocks 14 to be connected in a sliding mode is formed in the bottom of the shell 1, during work, the two-way screw rod 17 is rotated through a second rocking handle, the two-way screw rod 17 drives the two internal thread sleeves 16 to be close to or far away from each other, the internal thread sleeves 16 drive the shell 1 to be lifted through the scissor piece;

further, the clamping unit includes clamping rods 3, sprockets 2, chains 4, worm wheels 8 and a worm 9, an installation shaft 5 is installed in the housing 1 in a vertically rotating manner, the sprockets 2 are installed at two ends of the installation shaft 5, the chains 4 are connected between the sprockets 2 on the same side of the housing 1, a plurality of clamping rods 3 are fixedly connected between the two chains 4, a clamping member 7 for clamping the bulletin sheet is installed on the clamping rods 3, in the embodiment, through grooves 22 are formed in the clamping rods 3, the clamping member 7 includes a pressing plate 20, pins and springs, the pins penetrate into the through grooves 22 of the clamping rods 3, the pressing plate 20 is fixed at one end of the pins located in the through grooves 22, a stretching spring 21 is sleeved on a rod section of the pins located outside the clamping rods 3, two ends of the stretching spring 21 are respectively fixedly connected with the clamping rods 3 and ends of the pins, in the embodiment, two ends of the stretching spring 21 are preferably connected with the clamping rods 3 and the hooks fixed on the pins, through extension spring 21's elasticity for clamp plate 20 compresses tightly the notice list, and easy operation, convenient and practical does not need paste, glue etc. and the environmental protection is easy clearance more, two an end fixed mounting in the installation axle 5 has worm wheel 8, rotate on the casing 1 lateral wall and install worm 9 with worm wheel 8 meshing, worm 9 bottom mounting has first rocking handle 10, drives worm 9 through first rocking handle 10 and rotates, and worm 9 drives installation axle 5 through worm wheel 8 and rotates, and installation axle 5 drives the motion of chain 4 through sprocket 2, thereby can adjust the height of clamping pole 3, makes things convenient for the clamping notice list.

Example 2

Referring to fig. 4, the embodiment of the present invention is different from embodiment 1 in that a door 19 is installed on the housing 1, and the door 19 is preferably installed on the housing 1 through a hinge, so as to protect the bulletin board to a certain extent.

The utility model discloses a theory of operation is: during the use, drive worm 9 through first rocking handle 10 and rotate, worm 9 drives installation axle 5 through worm wheel 8 and rotates, installation axle 5 passes through sprocket 2 and drives the motion of chain 4, thereby can adjust the height of clamping pole 3, then outwards draw the pin, penetrate the logical inslot 22 of clamping pole 3 with the notice list top, elasticity through extension spring 21, make clamp plate 20 compress tightly the notice list, moreover, the steam generator is simple in operation, convenient and practical, do not need the thick liquid to stick with paste, glue etc., the environmental protection is easier to be cleared up, rotate two-way lead screw 17 through the second rocking handle, two-way lead screw 17 drives two interior thread bush 16 and is close to each other or keep away from, interior thread bush 16 drives casing 1 through scissors piece 15 and goes up and down, adjustment casing 1 is to suitable height.

The above description is only for the specific embodiments of the present disclosure, but the scope of the present disclosure is not limited thereto, and any person skilled in the art can easily conceive of the changes or substitutions within the technical scope of the present disclosure, and all the changes or substitutions should be covered within the scope of the present disclosure. Therefore, the protection scope of the present disclosure shall be subject to the protection scope of the claims.

Claims (7)

1. The utility model provides a bulletin board for building engineering management, includes casing (1) and the clamping unit that is used for the clamping bulletin list, the even symmetry in casing (1) bottom is fixed with supporting leg (12), its characterized in that, the clamping unit includes clamping pole (3), sprocket (2), chain (4), worm wheel (8) and worm (9), installation axle (5) is installed to the rotation from top to bottom in casing (1), sprocket (2) are all installed to installation axle (5) both ends, be connected with chain (4) between sprocket (2) of casing (1) homonymy, many clamping poles (3) of fixedly connected with between two chain (4), install clamping piece (7) that are used for the clamping bulletin list on clamping pole (3), clamping pole (3) have seted up logical groove (22), clamping piece (7) include clamp plate (20), pin and spring, the pin penetrates logical groove (22) of clamping bar (3) in, and the one end that the pin is located logical groove (22) is fixed with clamp plate (20), the pin is located and is equipped with extension spring (21) on the outside pole section of clamping bar (3), and extension spring (21) both ends respectively with clamping bar (3) and pin tip fixed connection, two a tip fixed mounting in installation axle (5) has worm wheel (8), rotate on casing (1) lateral wall and install worm (9) with worm wheel (8) meshing.

2. The bulletin board for construction engineering management as claimed in claim 1, wherein a first rocking handle (10) is fixed to a bottom end of the worm (9).

3. The bulletin board for construction engineering management as claimed in claim 1, wherein a rain shield (6) is fixedly installed on the top of the case (1).

4. The bulletin board for construction engineering management as claimed in claim 1, wherein rollers (13) are installed at the bottom ends of the support legs (12).

5. The bulletin board for construction engineering management according to any one of claims 1 to 4, the supporting legs (12) are composed of an insertion rod and a sleeve column sleeved outside the insertion rod, the top end of the insertion rod is fixedly connected with the bottom of the shell (1), a bidirectional screw rod (17) is rotatably connected between sleeve columns at one side of the bottom of the shell (1), the thread sections at the two sides of the bidirectional screw rod (17) are respectively sleeved with an internal thread sleeve (16), the internal thread sleeve (16) is in threaded connection with the bidirectional screw rod (17), a guide rod (18) penetrates through the bottom of the internal thread sleeve (16), guide bar (18) both ends respectively with cover post fixed connection, two internal thread cover (16) top is articulated with scissors spare (15) bottom both ends respectively, and scissors spare (15) top both ends all articulate there is link block (14), link block (14) and casing (1) bottom sliding connection.

6. The bulletin board for construction engineering management as claimed in claim 5, wherein a second rocking handle is fixedly installed at one end of the bidirectional screw rod (17).

7. The bulletin board for building engineering management according to claim 5, wherein a sliding groove for slidably connecting the sliding block (14) is formed at the bottom of the housing (1).

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