Engineering bid invitation management device

Abstract

The utility model discloses an engineering bid invitation management device, which relates to the technical field of constructional engineering, and comprises a shell in an external main body, the surface of the shell is provided with a movable groove, the inside of the movable groove is fixedly provided with a lifting mechanism, the upper surface of the lifting mechanism is fixedly provided with a reinforcing mechanism, the lifting mechanism comprises a lifting plate, and the lifting plate is fixedly connected with the movable groove. The lower surface of the lifting plate is fixedly connected with a hinge seat, and one end of a first hinge rod and one end of a second hinge rod are hinged to the outer wall of the hinge seat. The torsion ring is rotated to drive the bidirectional threaded rod, the reverse threaded grooves in the outer walls of the two ends of the bidirectional threaded rod are utilized to drive the threaded sleeves on the outer walls of the two ends at the same time, the threaded sleeves on the outer walls of the two ends are utilized to be away from and close to and extrude the first hinge rod and the second hinge rod at the same time, and convenient lifting of the lifting plate is achieved; secondly, after the display screen to be descended is placed on the lifting plate, the torsion rings on the two sides are twisted to drive the threaded rods and the clamping blocks to extrude the display screen, and high-strength fixing of the display screen is achieved.

Description

Technical Field

[0001] The utility model relates to the technical field of construction engineering, in particular to a device for engineering bidding management. Background Art

[0002] As urban construction continues to accelerate, the demand for engineering construction is also gradually increasing. When selecting a contractor for engineering construction, it is generally necessary to bid. Each engineering construction needs to be bid before it starts. Whether it is the design layout of the project or the specific construction of the project, it needs to be bid. Finally, the builder and design company can be determined;

[0003] However, when the bidding work is in progress, a display device is needed to display the project plan. However, the project bidding display devices are mostly provided for use in exhibition venues, and the display method is fixed and limited. It cannot fully reflect the content that needs to be displayed and has limitations in use. In view of this, we propose a device for construction project bidding management.

[0004] According to the existing patent (Announcement No.: CN216590684U), a device for construction project bidding management includes a box, a plug plate is inserted into the left wall of the box, a handle is fixed on the top surface of the box, two buckles are fixed on the top surface of the box in a left-right symmetrical structure, a storage slot is opened on the front wall of the box, a storage box is hinged in the storage slot, and a movable slot is opened inside the box, and a display component is arranged in the movable slot. The utility model adds an extended bottom plate, so that when the display component is raised, the extended bottom plate is driven to expand outward, thereby increasing the force-bearing area of ​​the box, making the device more stable when placed, thereby improving the safety and stability of the device.

[0005] However, the above technical solution still has certain shortcomings. First, the equipment uses gear plate A, gear plate B and gear plate C to mesh with gears to achieve lifting and lowering adjustment, and then uses the plug plate to limit and fix the gear plate A to achieve the fixation of the display screen. However, the continuous operation is quite cumbersome. Therefore, a device for engineering bidding management is proposed. Utility Model Content

[0006] Based on this, the purpose of the utility model is to provide a device for engineering bidding management to solve the technical problems raised in the above background.

[0007] To achieve the above object, the utility model provides the following technical solution: a device for engineering bidding management, comprising a shell in an external body, a movable groove is opened on the surface of the shell, and a lifting mechanism is fixedly arranged inside the movable groove, and a reinforcement mechanism is fixedly arranged on the upper surface of the lifting mechanism;

[0008] The lifting mechanism includes a lifting plate, the lower surface of the lifting plate is fixedly connected to a hinge seat, the outer wall of the hinge seat is hinged with one end of a first hinge rod and a second hinge rod, the other ends of the first hinge rod and the second hinge rod are hinged with a threaded sleeve, each of the threaded sleeves is threadedly connected to the outer walls of both sides of the bidirectional threaded rod, the right side of the bidirectional threaded rod is fixedly connected to a torsion wheel, and the upper surface of the lifting plate is in contact with a display screen.

[0009] As an optimal technical solution for a device for engineering bidding management of the utility model, the reinforcement mechanism includes a fixed block, a surface of the fixed block is threadedly connected to a threaded rod, the left side of the threaded rod is rotatably connected to a clamping block, and the right side of the threaded rod is fixedly connected to a torsion ring.

[0010] As a preferred technical solution for a device for engineering bidding management of the utility model, a handle is fixedly connected to the upper surface of the shell, and female lock buckles are symmetrically provided on the upper surface of the shell. A storage box is hinged inside one side of the shell, and sub-lock buckles are symmetrically provided on the upper surface of the storage box. The bottom ends on both sides of the storage box pass through the outer wall of the shell.

[0011] As a preferred technical solution of the device for engineering bidding management of the utility model, both side outer walls of the lifting plate are fixedly connected with sliding blocks, and are slidably connected to the inside of the movable groove.

[0012] As a preferred technical solution of a device for engineering bidding management of the utility model, the inner walls of the threaded sleeves on both sides and the outer walls of the two-way threaded rod on both sides are provided with thread grooves in opposite directions.

[0013] As a preferred technical solution for a device for engineering bidding management of the utility model, limiting grooves are provided on the inner walls on both sides of the movable groove.

[0014] As a preferred technical solution of the device for engineering bidding management of the utility model, a rubber anti-slip glove is fixedly provided on the lower end of the handle.

[0015] In summary, the utility model mainly has the following beneficial effects:

[0016] The utility model drives the bidirectional threaded rod by rotating the torsion ring, utilizes the reverse thread grooves on the outer walls at both ends of the bidirectional threaded rod to simultaneously drive the threaded sleeves on the outer walls at both ends, utilizes the threaded sleeves on the outer walls at both ends to simultaneously move away from and close to and squeeze the first hinge rod and the second hinge rod, thereby realizing convenient lifting and lowering of the lifting plate; secondly, after the display screen to be lowered is placed on the lifting plate, the torsion rings on both sides are twisted respectively to drive the threaded rods and the clamping blocks to squeeze the display screen to realize high-strength fixation thereof. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a top view of the utility model;

[0018] Figure 2 It is an expanded top view of the utility model;

[0019] Figure 3 It is a detailed diagram of the lifting mechanism of the utility model;

[0020] Figure 4 For the utility model Figure 3 Enlarged detail of point A in the middle.

[0021] In the figure: 100, external body; 200, lifting mechanism; 300, reinforcement mechanism;

[0022] 110, housing; 120, movable groove; 130, handle; 140, storage box; 150, female lock buckle; 151, sub-lock buckle;

[0023] 210, lifting plate; 211, slider; 220, hinge seat; 230, first hinge rod; 231, second hinge rod; 240, threaded sleeve; 250, bidirectional threaded rod; 260, twisting wheel; 270, display screen

[0024] 310, fixing block; 320, threaded rod; 330, torsion ring; 340, clamping block. DETAILED DESCRIPTION

[0025] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. The embodiments described below with reference to the drawings are exemplary and are only used to explain the utility model, and cannot be understood as limiting the utility model.

[0026] The following describes an embodiment of the utility model based on its overall structure.

[0027] A device for project bidding management, such as Figure 1-4 As shown, it includes a shell 110 in an external body 100, a movable groove 120 is opened on the surface of the shell 110, and a lifting mechanism 200 is fixedly arranged inside the movable groove 120, and a reinforcing mechanism 300 is fixedly arranged on the upper surface of the lifting mechanism 200;

[0028] The lifting mechanism 200 includes a lifting plate 210, the lower surface of which is fixedly connected to a hinge seat 220, the outer wall of the hinge seat 220 is hinged with one end of a first hinge rod 230 and a second hinge rod 231, the other ends of the first hinge rod 230 and the second hinge rod 231 are hinged with a threaded sleeve 240, each threaded sleeve 240 is threadedly connected to the outer walls of both sides of a bidirectional threaded rod 250, the right side of the bidirectional threaded rod 250 is fixedly connected with a torsion wheel 260, and the upper surface of the lifting plate 210 is in contact with a display screen 270.

[0029] First, rotate the torsion ring 330 to drive the bidirectional threaded rod 250, and use the reverse thread grooves on the outer walls at both ends of the bidirectional threaded rod 250 to simultaneously drive the threaded sleeves 240 on the outer walls at both ends, and use the threaded sleeves 240 on the outer walls at both ends to simultaneously move away from, tighten and squeeze the first hinge rod 230 and the second hinge rod 231, so as to realize convenient lifting and lowering of the lifting plate 210.

[0030] Please refer to Figure 4 The reinforcement mechanism 300 includes a fixed block 310 , a threaded rod 320 is threadedly connected to the surface of the fixed block 310 , a clamping block 340 is rotatably connected to the left side of the threaded rod 320 , and a torsion ring 330 is fixedly connected to the right side of the threaded rod 320 .

[0031] The surface of the fixing block 310 is threadedly connected with a threaded rod 320 to provide a squeezing force for the clamping block 340 , and the right side of the threaded rod 320 is fixedly connected with a torsion ring 330 to facilitate the operation of the reinforcement mechanism 300 .

[0032] Please refer to the figure in particular. A handle 130 is fixedly connected to the upper surface of the shell 110, and a female lock buckle 150 is symmetrically provided on the upper surface of the shell 110. A storage box 140 is hinged inside one side of the shell 110, and a sub-lock buckle 151 is symmetrically provided on the upper surface of the storage box 140. The bottom ends of both sides of the storage box 140 pass through the outer wall of the shell 110.

[0033] The upper surface of the housing 110 is symmetrically provided with a female lock buckle 150 , and the upper surface of the storage box 140 is symmetrically provided with a sub-lock buckle 151 , which can provide security for the storage box 140 .

[0034] Please refer to Figure 3 , 4 The outer walls of both sides of the lifting plate 210 are fixedly connected with sliders 211, and are slidably connected to the inside of the movable groove 120.

[0035] The outer walls on both sides of the lifting plate 210 are fixedly connected with sliders 211, and the sliders 211 are slidably connected to the inside of the movable groove 120 to limit the lifting plate 210 to prevent deviation, so that the lifting equipment runs smoothly.

[0036] Please refer to Figure 3 The inner walls of the threaded sleeves 240 on both sides and the outer walls of the bidirectional threaded rod 250 on both sides are provided with thread grooves in opposite directions.

[0037] The inner walls of the threaded sleeves 240 on both sides and the outer walls of the two-way threaded rod 250 on both sides are provided with thread grooves in opposite directions, which can provide feasible conditions for the lifting and lowering of the lifting plate 210.

[0038] Please refer to Figure 1 The inner walls on both sides of the active groove 120 are provided with limiting grooves.

[0039] The inner walls on both sides of the movable groove 120 are provided with limit grooves to limit the lifting trajectory of the lifting plate 210 to prevent deviation and ensure smooth operation of the lifting equipment.

[0040] Please refer to Figure 1 , 2 A rubber anti-slip glove is fixedly provided at the lower end of the handle 130 .

[0041] A rubber anti-skid glove is fixedly provided at the lower end of the handle 130 to increase the friction with the hand, prevent the device from slipping and falling, and increase the safety of the device.

[0042] When in use, first rotate the torsion ring 330 to drive the bidirectional threaded rod 250, and use the reverse thread grooves on the outer walls of both ends of the bidirectional threaded rod 250 to simultaneously drive the threaded sleeves 240 on the outer walls of both ends, and use the threaded sleeves 240 on the outer walls of both ends to simultaneously move away from, tighten and squeeze the first hinge rod 230 and the second hinge rod 231 to achieve convenient lifting and lowering of the lifting plate 210; secondly, after the display screen 270 to be lowered is placed on the lifting plate 210, twist the torsion rings 330 on both sides respectively to drive the threaded rod 320 and the clamping block 340 to squeeze the display screen 270 to achieve high-strength fixation.

[0043] Although an embodiment of the utility model has been shown and described, this specific embodiment is merely an explanation of the utility model and is not a limitation of the utility model. The specific features, structures, materials or characteristics described may be combined in a suitable manner in any one or more embodiments or examples. After reading this specification, those skilled in the art may make modifications, substitutions and variations to the embodiments without creative contributions as needed without departing from the principles and purpose of the utility model. However, as long as they are within the scope of the claims of the utility model, they are protected by patent law.

Claims

1. A device for project bidding management, comprising a housing (110) in an external body (100), characterized in that: A movable groove (120) is provided on the surface of the housing (110), a lifting mechanism (200) is fixedly provided inside the movable groove (120), and a reinforcement mechanism (300) is fixedly provided on the upper surface of the lifting mechanism (200); The lifting mechanism (200) comprises a lifting plate (210), the lower surface of the lifting plate (210) is fixedly connected to a hinge seat (220), the outer wall of the hinge seat (220) is hinged to one end of a first hinge rod (230) and a second hinge rod (231), the other ends of the first hinge rod (230) and the second hinge rod (231) are hinged to a threaded sleeve (240), each of the threaded sleeves (240) is threadedly connected to the outer walls of both sides of a bidirectional threaded rod (250), the right side of the bidirectional threaded rod (250) is fixedly connected to a torsion wheel (260), and the upper surface of the lifting plate (210) is in contact with a display screen (270).

2. The device for project bidding management according to claim 1, characterized in that: The reinforcement mechanism (300) comprises a fixing block (310), a surface of the fixing block (310) being threadedly connected to a threaded rod (320), a left side of the threaded rod (320) being rotatably connected to a clamping block (340), and a right side of the threaded rod (320) being fixedly connected to a torsion ring (330).

3. The device for project bidding management according to claim 1, characterized in that: The upper surface of the shell (110) is fixedly connected with a handle (130), the upper surface of the shell (110) is symmetrically provided with a female lock buckle (150), a storage box (140) is hinged inside one side of the shell (110), the upper surface of the storage box (140) is symmetrically provided with a sub-lock buckle (151), and the bottom ends of both sides of the storage box (140) pass through the outer wall of the shell (110).

4. The device for project bidding management according to claim 1, characterized in that: The outer walls on both sides of the lifting plate (210) are fixedly connected with sliders (211), and are slidably connected to the inside of the movable groove (120).

5. The device for project bidding management according to claim 1 is characterized in that: The inner walls of the threaded sleeves (240) on both sides and the outer walls of the bidirectional threaded rod (250) on both sides are provided with thread grooves in opposite directions.

6. The device for project bidding management according to claim 3 is characterized by: The inner walls on both sides of the movable groove (120) are provided with limiting grooves.

7. The device for project bidding management according to claim 3 is characterized by: A rubber anti-slip glove is fixedly provided at the lower end of the handle (130).

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