Portable scaffold

Abstract

The utility model relates to the technical field of scaffolds, in particular to a portable scaffold which comprises a U-shaped bearing seat, fixing blocks are fixedly installed on the four sides of the lower end of the bearing seat, one end of each fixing block is rotationally connected with a telescopic supporting leg, and clamping plates are slidably connected to the left side and the right side of the upper end of the bearing seat. A top plate is installed at the upper end of the clamping plate in a liftable mode, a lead screw is in threaded connection with the side wall of the top plate, and a pressing plate is rotationally connected with the lower end of the lead screw. After a measuring instrument is placed at the top of a bearing seat, a threaded rod can be rotated by rotating a rotating handle, the threaded rod can simultaneously drive two threaded cylinders to drive a clamping plate to move towards the inner side or the outer side at the same time, and the measuring instrument can be clamped when moving towards the inner side; the lead screw is rotated to drive the pressing plate to make contact with the upper end of the measuring equipment, the measuring equipment is further fixed, and then the stability of the measuring instrument in use is guaranteed.

Description

Technical Field

[0001] The utility model relates to the technical field of construction frames, in particular to a portable construction frame. Background Art

[0002] With the rapid development of the national economy, the construction industry is also developing rapidly. The construction frame is an indispensable tool for construction. The construction frame is also called the construction bracket. The construction bracket is used to support and fix the measuring instruments during the measurement of engineering construction, thereby ensuring the accuracy of the measurement of engineering construction. It is a very important part of the engineering construction field.

[0003] However, the existing construction frames have relatively simple structures and functions, and some construction frames cannot guarantee the stability of the measuring instruments, thereby affecting the accuracy of the measurement; at the same time, most construction frames are inconvenient to carry and have low portability. Therefore, the utility model proposes a portable construction frame to solve the above problems. Utility Model Content

[0004] The purpose of the utility model is to provide a portable construction frame to solve the problems raised in the above background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a portable construction frame, comprising: a receiving seat, the receiving seat is U-shaped, and fixed blocks are fixedly installed on the four sides of the lower end of the receiving seat, one end of the fixed block is rotatably connected to a telescopic support leg, the left and right sides of the upper end of the receiving seat are slidably connected to a clamping plate, the upper end of the clamping plate is liftably installed with a top plate, the side wall of the top plate is threadedly connected with a screw rod, and the lower end of the screw rod is rotatably connected to a pressure plate.

[0006] Preferably, the lower end of the receiving seat is rotatably connected to a threaded rod via a bearing in the left and right directions, the threads at the left and right ends of the threaded rod are symmetrically arranged, and one end of the threaded rod passes through the side wall of the receiving seat and is fixedly mounted with a rotating handle.

[0007] Preferably, sliding holes are symmetrically opened on both left and right sides of the upper end of the receiving seat, and the sliding holes are located directly above the threaded rod. Threaded cylinders are threadedly connected to the outer walls of the left and right ends of the threaded rod.

[0008] Preferably, a slide rod is fixedly mounted on the upper end of each threaded cylinder, the upper end of the slide rod slides through the slide hole and is fixedly connected to the lower end of the clamping plate, and the lower end of the clamping plate is slidably connected to the upper end of the receiving seat.

[0009] Preferably, each of the clamping plates has a plug-in slot on its front and rear sides at its upper end, and each of the clamping plates has a through hole on its front and rear ends at its outer upper end, the through hole being connected to the plug-in slot.

[0010] Preferably, a plug-in rod is fixedly mounted on the front and rear sides of one end of each top plate, a plurality of threaded holes are evenly formed on the side wall of the plug-in rod, and the plug-in rod is inserted into the plug-in slot and fixedly connected by bolts.

[0011] Preferably, each of the fixed blocks is rotatably connected to the upper end of the telescopic leg via an axle pin, and two positioning holes are provided on the side wall of each fixed block, and the two positioning holes are 90 degrees apart with the axle pin as the center.

[0012] Preferably, a second positioning hole is formed at the upper end of the telescopic leg, and the second positioning hole can be fixedly connected to one of the first positioning holes by a bolt.

[0013] Compared with the prior art, the beneficial effects of the utility model are:

[0014] When using the construction frame, first unscrew the bolts on the telescopic legs, turn the telescopic legs downward 90 degrees, and then fix them with bolts, which greatly improves convenience. When the construction frame is not in use, it can be folded and reset, thus ensuring the portability of the construction frame;

[0015] After placing the measuring instrument on the top of the receiving seat, the threaded rod can be rotated by rotating the handle, and the threaded rod can simultaneously drive the two threaded cylinders to move inward or outward with the clamping plate. When moving inward, the measuring device can be clamped, and the pressure plate is driven to contact the upper end of the measuring device by rotating the screw rod, so as to further fix the measuring device, thereby ensuring the stability of the measuring instrument when in use. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a front view schematic diagram of the overall structure of the utility model;

[0017] Figure 2 This is a bottom view of the overall structure of the utility model;

[0018] Figure 3 This is a schematic diagram of the top plate and the clamping plate of the utility model;

[0019] Figure 4 This is a schematic diagram of the fixed block and telescopic legs of the utility model.

[0020] In the figure: 1. receiving seat; 2. sliding hole; 3. anti-skid pad; 4. fixing block; 5. positioning hole 1; 6. telescopic leg; 7. positioning hole 2; 8. threaded rod; 9. rotating handle; 10. threaded cylinder; 11. sliding rod; 12. clamping plate; 13. through hole; 14. plug-in groove; 15. top plate; 16. plug-in rod; 17. threaded hole; 18. screw rod; 19. pressure plate. DETAILED DESCRIPTION

[0021] In order to make the purpose and technical solution of the utility model clearly and completely described, and the advantages more clearly understood, the embodiments of the utility model are further described in detail in conjunction with the accompanying drawings. It should be understood that the specific embodiments described here are part of the embodiments of the utility model, not all of the embodiments, and are only used to explain the embodiments of the utility model, and are not used to limit the embodiments of the utility model. All other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0022] In the description of the present utility model, it should be noted that the terms "center", "middle", "upper", "lower", "left", "right", "inner", "outer", "top", "bottom", "side", "vertical", "horizontal" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operate in a specific orientation, and therefore cannot be understood as a limitation on the present utility model. In addition, the terms "one", "first", "second", "third", "fourth", "fifth", "sixth" are used for descriptive purposes only, and cannot be understood as indicating or implying relative importance.

[0023] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0024] For the purpose of simplicity and illustration, the principles of the embodiments are mainly described by reference to examples. In the following description, many specific details are proposed to provide a thorough understanding of the embodiments. However, it is obvious that for those of ordinary skill in the art, these embodiments may not be limited to these specific details in practice. In some instances, known methods and structures are not described in detail to avoid making these embodiments unnecessarily difficult to understand. In addition, all embodiments can be used in combination with each other.

[0025] See also Figures 1 to 4The utility model provides a technical solution: a portable construction frame, comprising: a receiving seat 1, the receiving seat 1 is U-shaped, and the four sides of the lower end of the receiving seat 1 are fixedly installed with a fixing block 4, one end of the fixing block 4 is rotatably connected with a telescopic leg 6, each fixing block 4 is rotatably connected to the upper end of the telescopic leg 6 through an axle pin, and two positioning holes 5 are provided on the side wall of each fixing block 4, and the two positioning holes 5 are 90 degrees apart with the axle pin as the center. A positioning hole 2 7 is provided on the upper end of the telescopic leg 6, and the positioning hole 2 7 can be fixedly connected with one of the positioning holes 1 5 by a bolt. When the bolt passes through the positioning hole 2 7 and the positioning hole 1 5 at the upper end and then is threadedly connected with a nut, the telescopic leg 6 can be horizontally fixed to the lower end of the receiving seat 1, and when the bolt passes through the positioning hole 2 7 and the positioning hole 1 5 at the lower end and then is threadedly connected with a nut, the telescopic leg 6 can be vertically fixed to the lower end of the receiving seat 1, and the receiving seat 1 is supported, which is convenient for storing the telescopic leg 6.

[0026] The upper end of the receiving seat 1 is fixedly installed with an anti-slip pad 3, and the lower end of the receiving seat 1 is rotatably connected with a threaded rod 8 in the left and right directions through a bearing. The threads at the left and right ends of the threaded rod 8 are symmetrically arranged, and one end of the threaded rod 8 passes through the side wall of the receiving seat 1 and is fixedly installed with a rotating handle 9. Sliding holes 2 are symmetrically opened on the left and right sides of the upper end of the receiving seat 1. The sliding holes 2 are located directly above the threaded rod 8, and the outer walls of the left and right ends of the threaded rod 8 are threadedly connected with a threaded tube 10. The upper end of each threaded tube 10 is fixedly installed with a sliding rod 11, and the upper end of the sliding rod 11 slides through the sliding hole 2 and is fixedly connected to the lower end of the clamping plate 12. The lower end of the clamping plate 12 is slidably connected to the upper end of the receiving seat 1. The threaded rod 8 can be rotated by rotating the rotating handle 9, and the threaded rod 8 can simultaneously drive the two threaded tubes 10 to move the clamping plate 12 inward or outward at the same time, and the measuring equipment can be clamped when moving inward.

[0027] Each clamping plate 12 is provided with a plug-in slot 14 on the front and rear sides of the upper end, and each clamping plate 12 is provided with a through hole 13 on the front and rear ends of the upper outer end, and the through hole 13 is connected to the plug-in slot 14. A plug-in rod 16 is fixedly installed on the front and rear sides of one end of each top plate 15, and a plurality of threaded holes 17 are evenly provided on the side wall of the plug-in rod 16. The plug-in rod 16 is inserted into the plug-in slot 14 and fixedly connected by bolts. By allowing the bolts to pass through the through holes 13 and threadedly connected with different threaded holes 17, the height of the top plate 15 can be changed, which is convenient for fixing measuring equipment of different heights. A screw rod 18 is threadedly connected to the side wall of the top plate 15, and a pressure plate 19 is rotatably connected to the lower end of the screw rod 18. After the clamping plate 12 clamps the measuring equipment, the pressure plate 19 is driven to contact the upper end of the measuring equipment by rotating the screw rod 18, so as to further fix the measuring equipment.

[0028] When the device is working, when the construction frame is used, first unscrew the bolts on the telescopic legs 6, and turn the telescopic legs 6 downward by ninety degrees, and then fix them with bolts, which greatly improves the convenience. When the construction frame is not in use, it can be folded and reset, thereby ensuring the portability of the construction frame; in order to ensure the stability of the measuring instrument used for engineering construction on the construction frame, after the measuring instrument is placed on the top of the receiving seat 1, the threaded rod 8 can be rotated by rotating the rotating handle 9, and the threaded rod 8 can simultaneously drive the two threaded cylinders 10 to move inward or outward with the clamping plate 12 at the same time. When moving inward, the measuring device can be clamped, and the pressing plate 19 is driven by rotating the screw rod 18 to contact the upper end of the measuring device, so as to further fix the measuring device, thereby ensuring the stability of the measuring instrument when in use, and at the same time reflecting the rationality of the structure.

[0029] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A portable construction frame, comprising: The receiving seat (1) is U-shaped and is characterized in that: a fixed block (4) is fixedly installed on four sides of the lower end of the receiving seat (1), one end of the fixed block (4) is rotatably connected to a telescopic support leg (6), and a clamping plate (12) is slidably connected to the left and right sides of the upper end of the receiving seat (1), and a top plate (15) is installed on the upper end of the clamping plate (12) in a liftable manner, a screw rod (18) is threadedly connected to the side wall of the top plate (15), and the lower end of the screw rod (18) is rotatably connected to a pressure plate (19).

2. A portable construction frame according to claim 1, characterized in that: The lower end of the receiving seat (1) is rotatably connected to a threaded rod (8) via a bearing in the left and right directions. The threads at the left and right ends of the threaded rod (8) are symmetrically arranged. One end of the threaded rod (8) passes through the side wall of the receiving seat (1) and is fixedly mounted with a rotating handle (9).

3. A portable construction frame according to claim 1, characterized in that: The upper end of the receiving seat (1) is symmetrically provided with sliding holes (2) on both sides thereof. The sliding holes (2) are located directly above the threaded rod (8). The outer walls of the left and right ends of the threaded rod (8) are both threadedly connected with threaded cylinders (10).

4. A portable construction frame according to claim 3, characterized in that: A sliding rod (11) is fixedly mounted on the upper end of each threaded cylinder (10); the upper end of the sliding rod (11) slides through the sliding hole (2) and is fixedly connected to the lower end of the clamping plate (12); the lower end of the clamping plate (12) is slidably connected to the upper end of the receiving seat (1).

5. The portable construction frame according to claim 1, characterized in that: Each clamping plate (12) has a plug-in slot (14) at its upper front and rear sides, and each clamping plate (12) has a through hole (13) at its upper front and rear sides, and the through hole (13) is connected to the plug-in slot (14).

6. The portable construction frame according to claim 1, characterized in that: A plug-in rod (16) is fixedly mounted on the front and rear sides of one end of each top plate (15), a plurality of threaded holes (17) are evenly arranged on the side wall of the plug-in rod (16), and the plug-in rod (16) is inserted into the plug-in slot (14) and fixedly connected by bolts.

7. The portable construction frame according to claim 1, characterized in that: Each of the fixed blocks (4) is rotatably connected to the upper end of the telescopic leg (6) via an axle pin, and two positioning holes (5) are provided on the side wall of each fixed block (4), and the two positioning holes (5) are 90 degrees apart with the axle pin as the center.

8. A portable construction frame according to claim 7, characterized in that: A second positioning hole (7) is provided at the upper end of the telescopic leg (6), and the second positioning hole (7) can be fixedly connected to one of the first positioning holes (5) by means of bolts.

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