C-shaped steel fixing device

Abstract

The utility model discloses a C-shaped steel fixing device, which belongs to the field of steel structure accessories and comprises a U-shaped screw rod, a clamping piece sleeved on the U-shaped screw rod and a nut screwed on the U-shaped screw rod and used for pressing the clamping piece, and an inner support mechanism is arranged on the U-shaped screw rod. According to the fixing device, the U-shaped screw is upwards arranged above the C-shaped steel in a sleeving mode, then the lining plate enters the inner wall of the C-shaped steel, the clamping pieces are installed on the U-shaped screw, then the clamping pieces are fixed through the nuts, in the using process, the lining plate reinforces the extruded part, the compressive strength of the extruded part on the C-shaped steel is improved, the deformation occurrence probability is reduced, and therefore looseness is reduced, and the service life of the C-shaped steel is prolonged. The service life of the device is prolonged, and stable installation of the support is ensured.

Description

TECHNICAL FIELD

[0001] The utility model relates to steel structure accessory technical field, concretely relates to a C type steel fixing device. BACKGROUND

[0002] The C-shaped steel beam clamp is a specially designed clamp that can firmly clamp the C-shaped steel beam through its specific structure and mechanism, ensuring its stability and safety during construction and use. It is commonly used in seismic support, photovoltaic support, comprehensive support and hanger, pipe gallery support and other systems as an important connecting and fixing component.

[0003] The existing C-shaped steel beam clamp clamping piece in the use process, the one end of clamping piece and C type steel are opposite, because C type steel has the structure of bottom surface, two side surfaces, therefore in with the fixed process of clamping piece, two side surfaces will be extruded by clamping piece and occur deformation, in the long-term fixed process, the clamping piece and C type steel between will appear loose, further lead to C type steel, steel beam connection unstable.

[0004] Therefore, the present application provides a C-shaped steel fixing device to solve the above problems. UTILITY MODEL CONTENTS

[0005] The utility model discloses a C-shaped steel fixing device, which aims to solve the problems of the existing C-shaped steel beam clamp clamping piece in the use process, the one end of clamping piece and C type steel are opposite, because C type steel has the structure of bottom surface, two side surfaces, therefore in with the fixed process of clamping piece, two side surfaces will be extruded by clamping piece and occur deformation, in the long-term fixed process, the clamping piece and C type steel between will appear loose, further lead to C type steel, steel beam connection unstable and other problems.

[0006] The utility model discloses a C-shaped steel fixing device, which aims to solve the problems of the existing C-shaped steel beam clamp clamping piece in the use process, the one end of clamping piece and C type steel are opposite, because C type steel has the structure of bottom surface, two side surfaces, therefore in with the fixed process of clamping piece, two side surfaces will be extruded by clamping piece and occur deformation, in the long-term fixed process, the clamping piece and C type steel between will appear loose, further lead to C type steel, steel beam connection unstable and other problems.

[0007] Including U type screw rod and the clamping piece of setting in U type screw rod and the nut of screwing on U type screw rod for the clamping piece of pressure tight, U type screw rod is provided with inner support mechanism:

[0008] The inner support mechanism comprises a support seat rotatably mounted on the U-shaped screw rod at a position distinguished from the two threaded ends of the rod part, an inverted U-shaped inner lining plate for supporting the inner wall of the C-shaped steel is movably mounted on the support seat, the two ends of the inner lining plate are oppositely provided with U-shaped connecting plates arranged in a lateral direction and having openings facing away from each other, two symmetrically arranged anti-disengagement blocks are fixedly mounted on the support seat, anti-disengagement grooves are formed in the U-shaped connecting plates and matched with the anti-disengagement blocks, and the distance between the groove bottoms of the two groups of anti-disengagement grooves is smaller than the distance between the end portions of the two groups of anti-disengagement blocks. In this way, when the C-shaped steel and the steel beam are installed, the support seat is mounted on the U-shaped screw rod, the inner lining plate matched with the selected C-shaped steel is selected, one end of the inner lining plate with the U-shaped connecting plate is placed towards the two anti-disengagement blocks at the top of the support seat, the two U-shaped connecting plates are squeezed from both sides when being placed, so that the distance between the two U-shaped connecting plates is reduced, thereby enabling the U-shaped connecting plate to be clamped into the anti-disengagement block, then the U-shaped connecting plate is loosened, the anti-disengagement groove on the U-shaped connecting plate is abutted against the outer edge of the anti-disengagement block through elastic recovery, thereby completing the fixation with the support seat, then the U-shaped screw rod is sleeved above the C-shaped steel in an upward direction, the inner lining plate enters the inner wall of the C-shaped steel, then the clamping piece is mounted on the U-shaped screw rod, and then the clamping piece is fixed through the nut. During use, the inner lining plate reinforces the compressed part, improves the compressive strength of the compressed part on the C-shaped steel, reduces the probability of deformation, thereby reducing looseness, improving the service life of the device, and ensuring the stable installation of the support.

[0009] Preferably, in order to improve the strength of the inner lining plate, a reinforcing plate 46 for supporting the inner lining plate 42 is fixedly mounted on the inner wall of the inner lining plate 42, and the reinforcing plate 46 is arranged in two groups and in a cross distribution, and the two groups of reinforcing plates 46 divide the inner lining plate 42 into four triangular areas, thereby achieving better stability.

[0010] Preferably, in order to stabilize the inner lining plate, a plurality of accommodation grooves are formed in the outer side wall of the inner lining plate, and a resilient steel sheet is fixedly mounted on one end of each accommodation groove away from the support seat. In this way, the friction between the inner lining plate and the inner wall of the C-shaped steel is improved, thereby achieving stable clamping with the inner wall of the C-shaped steel.

[0011] Preferably, in order to mount the support seat, the support seat is composed of two symmetrically arranged parts, and a rotating hole matched with the outer side wall of the U-shaped screw rod is formed in the support seat. This facilitates disassembly and fixation.

[0012] Preferably, in order to fix the support seat, an inner hexagonal bolt is threadedly mounted on the support seat. This facilitates disassembly and fixation.

[0013] Preferably, limit stop plates are fixedly arranged at both ends of one side of the compression clamping piece, for limiting the two sides of the C-shaped steel and ensuring the stability of clamping of the C-shaped steel.

[0014] Preferably, an extension pressing plate for pressing the C-shaped steel is detachably and fixedly mounted between the two groups of limit stop plates, for assisting in clamping of the longer C-shaped steel.

[0015] The utility model discloses a beneficial effect:

[0016] (1) the fixed device, the U type screw rod is towards the above C type steel, and the lining plate enters the inner wall of C type steel, then the clamping piece is installed on the U type screw rod, and then is fixed through the nut, and during use, the lining plate reinforces the extruded part, improves the compression strength of the extruded part on the C type steel, reduces the deformation probability, thereby reduces the loosening, improves the service life of the device, and ensures the installation stability of the support.

[0017] (2) the fixed device, the support seat is installed on the U type screw rod, selects the lining plate of adaptation C type steel, and the one end of the U type connecting plate on the lining plate is put into the two anti -drop blocks on the top of the support seat, and when putting in, the two U type connecting plates are extruded from both sides, and the distance between the two U type connecting plates is reduced, so that the U type connecting plate is clamped into the anti -drop block, and then the U type connecting plate is loosened, and the anti -drop groove on the U type connecting plate is abutted with the outer edge of the anti -drop block, so that the fixing with the support seat is completed, and the replacement of the adaptive lining plate is convenient, and convenient. BRIEF DESCRIPTION OF DRAWINGS

[0018] The utility model makes further explanation in combination with the drawings.

[0019] Fig. 1 It is the three-dimensional structure schematic diagram of a C type steel fixed device of the utility model;

[0020] Fig. 2 It is the axonometric structure schematic diagram of a C type steel fixed device of the utility model;

[0021] Fig. 3 It is the section structure schematic diagram of a C type steel fixed device of the utility model.

[0022] In the drawing: 1, U type screw rod, 2, clamping piece, 21, extension pressing plate, 22, limit baffle, 3, nut, 4, inner support mechanism, 41, support seat, 42, lining plate, 43, U type connecting plate, 44, anti -drop block, 45, anti -drop groove, 46, reinforcing plate, 47, storage groove, 48, elastic steel sheet, 49, rotating hole, 410, inner hexagonal bolt. DETAILED DESCRIPTION

[0023] The technical solutions in the embodiments of the application / utility model will be clearly and completely described below in combination with the drawings in the embodiments of the application / utility model. Apparently, the described embodiments are only part of the embodiments of the application / utility model, not all the embodiments. Based on the embodiments in the application / utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the application / utility model.

[0024] In the description of this invention / utility model, it should be understood that the terms "upper," "lower," "left," "right," etc., indicating orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings, are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or a specific orientational structure and operation. Therefore, they should not be construed as limitations on this utility model. Furthermore, "first" and "second" are only for descriptive purposes and should not be construed as indicating or implying relative importance or implicitly specifying the number of indicated technical features. Therefore, a feature defined with "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of this utility model, unless otherwise stated, "multiple" means two or more.

[0025] In the description of this invention / utility model, it should be noted that, unless otherwise explicitly specified and limited, the terms "installation," "connection," "linking," etc., should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal communication between two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances.

[0026] This utility model provides a C-shaped steel fixing device, such as Figs. 1-3 As shown, the fixing device includes a U-shaped screw 1, a clamping piece 2 sleeved on the U-shaped screw 1, and a nut 3 screwed onto the U-shaped screw 1 to press the clamping piece 2. An internal support mechanism 4 is provided on the U-shaped screw 1.

[0027] The inner support mechanism 4 includes a support seat 41 rotatably mounted on the U-shaped screw 1 at a position distinct from the two threaded ends. An inverted U-shaped inner lining plate 42 for supporting the inner wall of the C-shaped steel is movably mounted on the support seat 41. U-shaped connecting plates 43 are laterally arranged and have their openings facing away from each other at both ends of the inner lining plate 42. Two symmetrically arranged anti-detachment blocks 44 are fixedly mounted on the support seat 41. Anti-detachment grooves 45 adapted to the anti-detachment blocks 44 are opened on the U-shaped connecting plates 43, and the distance between the bottoms of the two sets of anti-detachment grooves is less than the distance between the ends of the two sets of anti-detachment blocks.

[0028] In use, the support base 41 is installed on the U-shaped screw 1, the lining plate 42 suitable for the selected C-shaped steel is selected, one end of the U-shaped connecting plate 43 provided on the lining plate 42 is placed towards the two anti-drop blocks 44 on the top of the support base 41, and when placed, the two U-shaped connecting plates 43 are squeezed from both sides to reduce the distance between the two U-shaped connecting plates 43, so that the U-shaped connecting plate 43 is clamped into the anti-drop block 44, then the U-shaped connecting plate 43 is loosened, the anti-drop groove 45 on the U-shaped connecting plate 43 abuts against the outer edge of the anti-drop block 44, so that the fixing with the support base 41 is completed, then the U-shaped screw 1 is sleeved above the C-shaped steel upwards, the lining plate 42 enters the inner wall of the C-shaped steel, then the clamping piece 2 is installed on the U-shaped screw 1, and then the nut 3 is fixed, during use, the lining plate 42 reinforces the extruded part to improve the compressive strength of the extruded part of the C-shaped steel and reduce the probability of deformation, thereby reducing looseness and improving the service life of the device and ensuring the stable installation of the support.

[0029] Specifically, the lining plate 42 is fixedly provided with a reinforcing plate 46 for supporting the lining plate 42, the reinforcing plate 46 is provided in two groups and is cross-distributed, and the two groups of reinforcing plates 46 divide the lining plate 42 into four triangular areas. In use, when the U-shaped screw 1 extrudes the C-shaped steel from both sides after fixing the clamping piece 2, the lining plate 42 reinforces the extruded part, the reinforcing plates 46 arranged in a staggered manner divide the lining plate 42 into four triangular areas, the stability is better, and the effect of resisting extrusion is better.

[0030] More specifically, a plurality of accommodation grooves 47 are formed in the outer side wall of the lining plate 42, and a resilient steel sheet 48 is fixedly installed at one end of the accommodation groove 47 away from the support base 41. In use, when the U-shaped screw 1 is pushed upwards, the outer wall of the lining plate 42 will be attached to the inner wall of the C-shaped steel, and in the process of extending into the C-shaped steel, the resilient steel sheet 48 will gradually extrude into the accommodation groove 47, and due to the elasticity of the resilient steel sheet 48, the resilient steel sheet 48 will automatically expand outward from the accommodation groove 47, thereby improving the friction between the lining plate 42 and the inner wall of the C-shaped steel, and stably clamping with the inner wall of the C-shaped steel.

[0031] Further, the support base 41 is composed of two symmetrical parts, and the support base 41 is provided with a rotating hole 49 matched with the outer side wall of the U-shaped screw 1. In use, the part of the support base 41 provided with the rotating hole 49 is respectively sleeved on the two sides of the outer wall of the U-shaped screw 1, so that the two parts of the support base 41 are butted to form a complete mechanism, and the lining plate 42 is supported on the U-shaped screw 1.

[0032] Further, the support seat 41 is threadedly installed with an internal hexagonal bolt 410. In use, after the two-part support seat 41 is butt-joint installed on the U-shaped screw rod 1, the dispersed support seats 41 are connected and fixed through the internal hexagonal bolt 410, so that the support seat 41 is stably installed on the U-shaped screw rod 1.

[0033] In other optional embodiments, if the length of the C-shaped steel is longer, the clamping effect of the single clamping piece 2 on the C-shaped steel is poor, at this time, the two ends of one side of the clamping piece 2 are fixedly provided with limiting baffle plates 22 for limiting the two sides of the C-shaped steel, so as to ensure the stability of the clamping of the C-shaped steel. Meanwhile, the two groups of limiting baffle plates 22 are detachably and fixedly installed with an extension pressing plate 21 for pressing the C-shaped steel, which is used for auxiliary clamping of the longer C-shaped steel.

[0034] The above describes one embodiment of the present application in detail, but the content described is only a preferred embodiment of the present application, and cannot be considered as limiting the scope of the present application. Any equivalent changes and improvements made within the scope of the present application should still belong to the patent coverage of the present application.

Claims

1. A C-shaped steel fixing device, comprising a U-shaped screw rod (1), a clamping piece (2) sleeved on the U-shaped screw rod (1), and a nut (3) screwed on the U-shaped screw rod (1) for pressing the clamping piece (2), wherein an inner supporting mechanism (4) is arranged on the U-shaped screw rod (1), characterized in that, The inner support mechanism (4) comprises a support seat (41) rotatably mounted on the U-shaped screw rod (1) at the position of the rod part distinguished from the two threaded ends, an inverted U-shaped inner lining plate (42) for supporting the inner wall of the C-shaped steel is movably mounted on the support seat (41), and the two ends of the inner lining plate (42) are oppositely provided with U-shaped connecting plates (43) which are laterally arranged and oppositely opened.

2. The C-steel fixing device according to claim 1, characterized in that, The support seat (41) is fixedly provided with two symmetrically arranged anti-disengagement blocks (44), and the U-shaped connecting plates (43) are provided with anti-disengagement grooves (45) matched with the anti-disengagement blocks (44).

3. The C-steel fixing device according to claim 2, characterized in that The distance between the groove bottoms of the two groups of anti-disengagement grooves (45) is less than the distance between the end portions of the two groups of anti-disengagement blocks (44).

4. The C-steel fixing device according to claim 1, characterized in that, The inner lining plate (42) is fixedly provided with a reinforcing plate (46) for supporting the inner lining plate (42) on the inner wall.

5. A C-steel fastening device according to claim 4, characterized in that The reinforcing plate (46) is provided with two groups and is cross-distributed, and the two groups of reinforcing plates (46) divide the inner lining plate (42) into four triangular areas.

6. The C-steel fixing device according to claim 1, wherein A plurality of accommodation grooves (47) are formed in the outer side wall of the inner lining plate (42), and an elastic steel sheet (48) is fixedly mounted on one end of the accommodation groove (47) away from the support seat (41).

7. The C-steel fixing device according to claim 1, wherein The support seat (41) is composed of two symmetrically arranged parts, and the support seat (41) is provided with a rotating hole (49) matched with the outer side wall of the U-shaped screw rod (1).

8. The C-steel fixing device according to claim 7, characterized in that The support seat (41) is provided with an inner hexagonal bolt (410) in a threaded manner.

9. The C-steel fixing device according to claim 1, wherein The side of the pressing clamping piece (2) is fixedly provided with a limiting baffle (22) at both ends.

10. The C-steel fixation device of claim 9, wherein Two groups of limiting baffles (22) are detachably and fixedly provided with an extension pressing plate (21) for pressing the C-shaped steel.

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