CN214423585U - Telescopic steel structure connecting piece - Google Patents

Abstract

The utility model discloses a telescopic steel structure connecting piece, which relates to the technical field of steel structure connection, and comprises a telescopic box, a driving chamber is arranged in the telescopic box, the shape of the driving chamber is inverted L-shaped, both sides of the lower part of the driving chamber are respectively provided with a telescopic hole, the telescopic holes are communicated with the driving chamber, a screw rod is arranged in the driving chamber, both ends of the screw rod respectively extend into the telescopic holes, a driven gear is fixedly arranged at the middle position of the screw rod, the driven gear is a bevel gear, the upper part of the driving chamber is provided with a rotating shaft, and a driving gear meshed with the driven gear is fixedly arranged on the rotating shaft; has the advantages that: the rotating shaft is arranged to drive the screw rod to rotate, so that the telescopic block moves in the telescopic hole, and telescopic connection of steel structures on two sides is realized; the locking block is arranged to slide and fixed by the fixing screw, so that the clamping head clamps the brake gear, the steel structure is prevented from being automatically pulled back under the action of stress due to pull and stop.

Description

Telescopic steel structure connecting piece

Technical Field

The utility model relates to a technical field is connected to the steel construction, especially relates to a telescopic steel construction connecting piece.

Background

The frame system is the most extensive building structure form, divide into concrete frame structure system and steel frame structure system, mainly used market, office building, school etc. need the multilayer structure in nimble segmentation space, concrete frame structure system mainly adopts cast-in-place method to be under construction, construction speed is slow, and this kind of construction mode has high energy consumption, high pollution, inefficiency, extensive formula scheduling problem, with current novel urbanization, industrialization, information-based development requirement incompatibility, steel frame structure system can adopt welding, bolted connection, construction speed piece, but its construction cost is high, it is difficult to protect the processing technique to prevent corrosion, it is high to maintain the cost after the use of delivery, in recent years, following combination frame system appears: the steel tube concrete column-steel bar concrete beam frame system, the steel tube concrete column-steel beam frame system, the steel tube concrete-steel bar concrete beam and the steel bar concrete column-steel beam frame system are designed and constructed, but some defects still exist in the design and construction, most of the existing steel structure buildings are connected in a welding and fixing mode, and are difficult to remove once formed, and the welding process is time-consuming and labor-consuming, so that the popularization of the traditional steel structure house is limited; at present, the technical difficulty of steel structure houses lies in how reliable quick dismouting of two steel construction, if steel stand is connected with the steel crossbeam, the steel crossbeam is connected with the steel crossbeam, and current way all is welded fastening, leads to the unable regulation of interval between two-way steel construction around, and is extremely inconvenient in the in-service use.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a telescopic steel structure connecting piece just aims at solving above-mentioned problem.

The utility model discloses a following technical scheme realizes above-mentioned purpose:

a telescopic steel structure connecting piece comprises a telescopic box, wherein a driving chamber is arranged in the telescopic box, the driving chamber is in an inverted L shape, telescopic holes are formed in two sides of the lower portion of the driving chamber respectively, the telescopic holes are communicated with the driving chamber, a screw rod is arranged in the driving chamber, two ends of the screw rod extend into the telescopic holes respectively, a driven gear is fixedly arranged in the middle of the screw rod and is a bevel gear, a rotating shaft is arranged on the upper portion of the driving chamber, a driving gear meshed with the driven gear is fixedly arranged on the rotating shaft, a braking gear is fixedly arranged on the upper surface of the telescopic box, which extends out of the upper end of the rotating shaft, a knob is fixedly arranged above the braking gear, and the upper end and the lower end of the rotating shaft are connected with the telescopic box through bearings respectively; the external threads at the two ends of the screw rod are opposite in direction, telescopic blocks are respectively arranged in the telescopic holes, threaded holes corresponding to the screw rod are formed in the telescopic blocks, and the cross sections of the telescopic holes and the telescopic blocks are square; a sliding groove is formed in the upper surface of the telescopic box corresponding to the position of the brake gear, a locking block is clamped in the sliding groove and slides in the sliding groove, and a clamping head meshed with teeth of the brake gear is fixedly installed at one end, close to the brake gear, of the locking block; and a fixing screw for fixing is inserted in the locking block.

Preferably: the cross section of the locking block is I-shaped.

Preferably: the fixing screw is connected with the locking block through threads, and the lower end of the fixing screw abuts against the bottom of the sliding groove.

Compared with the prior art, the beneficial effects of the utility model reside in that: the rotating shaft is arranged to drive the screw rod to rotate, so that the telescopic block moves in the telescopic hole, and telescopic connection of steel structures on two sides is realized; the locking block is arranged to slide and fixed by the fixing screw, so that the clamping head clamps the brake gear, the steel structure is prevented from being automatically pulled back under the action of stress due to pull and stop.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive exercise.

Fig. 1 is a main view structure schematic diagram of a telescopic steel structure connecting piece.

Fig. 2 is a top view of the telescopic steel structure connecting piece of the present invention.

Fig. 3 is a schematic view of a top view structure of a telescopic steel structure connecting piece of the present invention.

Fig. 4 is a schematic view of a three-dimensional structure of a locking block of a telescopic steel structure connecting piece of the present invention.

The reference numerals are explained below:

1. a telescopic box; 2. a telescopic block; 3. a threaded hole; 4. a screw; 5. a telescopic hole; 6. a chute; 7. a locking block; 8. a set screw; 9. a brake gear; 10. a rotating shaft; 11. a drive gear; 12. a drive chamber; 13. a driven gear; 14. and (4) clamping the head.

Detailed Description

In the description of the present invention, it is to be understood that the terms "central", "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., indicate orientations or positional relationships based on those shown in the drawings, and are used only for convenience in describing and simplifying the description, but not for indicating or implying that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus are not to be construed as limiting the invention, and further that the terms "first", "second", etc., are used only for descriptive purposes and are not to indicate or imply relative importance or imply the number of technical features being referred to, whereby the features defined as "first", "second", etc., may explicitly or implicitly include one or more such features, in the description of the present invention, "a plurality" means two or more unless otherwise specified.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; the two elements may be directly connected or indirectly connected through an intermediate medium, or the two elements may be connected through an intermediate medium, and the specific meaning of the above terms in the present invention can be understood by those skilled in the art through specific situations.

The present invention will be further explained with reference to the accompanying drawings:

as shown in fig. 1 to 4, a telescopic steel structure connecting piece comprises a telescopic box 1, a driving chamber 12 is arranged in the telescopic box 1, the driving chamber 12 is in an inverted L shape, telescopic holes 5 are respectively arranged on two sides of the lower portion of the driving chamber 12, the telescopic holes 5 are communicated with the driving chamber 12, a screw rod 4 is arranged in the driving chamber 12, the screw rod 4 is used for being rotationally pulled, two ends of the screw rod 4 respectively extend into the telescopic holes 5, a driven gear 13 is fixedly arranged in the middle of the screw rod 4, the driven gear 13 is a bevel gear, a rotating shaft 10 is arranged on the upper portion of the driving chamber 12, the rotating shaft 10 is used for rotating, a driving gear 11 meshed with the driven gear 13 is fixedly arranged on the rotating shaft 10, the driven gear 13 and the driving gear 11 are used for being matched with each other for transmission, a braking gear 9 is fixedly arranged on the upper surface of the telescopic box 1, and the braking gear 9 is used for braking, a knob is fixedly arranged above the brake gear 9 and used for facilitating rotation, and the upper end and the lower end of the rotating shaft 10 are respectively connected with the telescopic box 1 through bearings; the external threads at two ends of the screw rod 4 are opposite in direction, the telescopic blocks 2 are respectively arranged in the telescopic holes 5, the telescopic blocks 2 are used for telescopic movement, threaded holes 3 corresponding to the screw rod 4 are formed in the telescopic blocks 2, and the cross sections of the telescopic holes 5 and the telescopic blocks 2 are square; the upper surface of the telescopic box 1 is provided with a sliding chute 6 corresponding to the position of the brake gear 9, a locking block 7 is clamped in the sliding chute 6, the locking block 7 is used for sliding and clamping, the locking block 7 slides in the sliding chute 6, one end of the locking block 7, which is close to the brake gear 9, is fixedly provided with a clamping head 14 meshed with teeth of the brake gear 9, and the clamping head 14 is used for braking; a fixing screw 8 for fixing is inserted in the locking block 7, and the fixing screw 8 is used for fixing; the cross section of the locking block 7 is I-shaped; the fixing screw 8 is connected with the locking block 7 through threads, and the lower end of the fixing screw 8 is pressed against the bottom of the sliding groove 6 and used for screwing and fixing the locking block 7 and limiting the sliding of the locking block 7.

The working principle is as follows: during the use, the steel part that will connect is fixed on flexible piece 2, when the pulling is stretched to the steel part according to user demand needs, loosen set screw 8, slide lock block 7 and keep away from brake gear 9, the knob rotates, axis of rotation 10 rotates, through drive gear 11 and driven gear 13 meshing transmission, it rotates to drive screw rod 4, because the cross-sectional shape of flexible piece 2 and telescopic hole 5 is the square, so flexible piece 2 can only slide in telescopic hole 5, can not rotate, again because screw rod 4 and screw hole 3 cooperate, so flexible piece 2 is pulled and slides in telescopic hole 5, so can realize the telescopic connection of steel part, when needs fix in certain state, slidable lock block 7, make dop 14 block brake gear 9, and with set screw 8 screw up the top 6 bottoms can, high durability and convenient use.

Having shown and described the basic principles, essential features and advantages of the invention, it should be understood by those skilled in the art that the present invention is not limited by the foregoing embodiments, which are merely illustrative, but rather are intended to cover various changes and modifications within the spirit and scope of the invention as defined by the appended claims.

Claims (3)

1. The utility model provides a telescopic steel structure connecting piece, includes flexible box (1), its characterized in that: a driving chamber (12) is arranged in the telescopic box (1), the driving chamber (12) is in an inverted L shape, telescopic holes (5) are respectively formed in two sides of the lower portion of the driving chamber (12), the telescopic holes (5) are communicated with the driving chamber (12), a screw rod (4) is arranged in the driving chamber (12), two ends of the screw rod (4) respectively extend into the telescopic holes (5), a driven gear (13) is fixedly arranged in the middle of the screw rod (4), the driven gear (13) is a bevel gear, a rotating shaft (10) is arranged on the upper portion of the driving chamber (12), a driving gear (11) meshed with the driven gear (13) is fixedly arranged on the rotating shaft (10), a braking gear (9) is fixedly arranged on the upper surface of the telescopic box (1) and extends out of the upper end of the rotating shaft (10), and a knob is fixedly arranged above the braking gear (9), the upper end and the lower end of the rotating shaft (10) are respectively connected with the telescopic box (1) through bearings; the external threads at the two ends of the screw rod (4) are opposite in direction, the telescopic holes (5) are internally provided with telescopic blocks (2), the telescopic blocks (2) are provided with threaded holes (3) corresponding to the screw rod (4), and the cross sections of the telescopic holes (5) and the telescopic blocks (2) are square; a sliding groove (6) is formed in the upper surface of the telescopic box (1) corresponding to the position of the brake gear (9), a locking block (7) is clamped in the sliding groove (6), the locking block (7) slides in the sliding groove (6), and a clamping head (14) meshed with teeth of the brake gear (9) is fixedly installed at one end, close to the brake gear (9), of the locking block (7); and a fixing screw (8) for fixing is inserted into the locking block (7).

2. The telescopic steel structural connector of claim 1, wherein: the cross section of the locking block (7) is I-shaped.

3. The telescopic steel structural connector of claim 1, wherein: the fixing screw (8) is connected with the locking block (7) through threads, and the lower end of the fixing screw (8) is pressed against the bottom of the sliding groove (6).

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