CN217105532U - Joist connecting piece - Google Patents

Abstract

The utility model relates to a joist connecting piece, which belongs to the field of wood structure connecting pieces and comprises a first supporting plate and a second supporting plate, wherein the middle part of the first supporting plate and the middle part of the second supporting plate are fixedly connected in a crossed way to form a crossed connection point, the end parts of the first supporting plate and the second supporting plate on the same side of the crossed connection point are fixedly connected with an inner panel, one side of the inner panel is hinged with a connection panel, the other side of the connection panel is hinged with an outer panel, and a containing space for containing a joist is formed among the inner panel, the connection panel and the outer panel; and the inner panel and the outer panel are both provided with connecting holes, and the connecting holes penetrate through the fixed connecting pieces to connect the inner panel, the outer panel and the joist. The utility model discloses a quick dismouting that relapses can be realized to the fixed centre gripping joist of backup pad and each centre gripping panel's cooperation, realizes connection structure's cyclic utilization to can reduce the destruction to timber organizational structure such as joist, resources are saved saves manufacturing cost.

Description

A joist connector

technical field

The utility model relates to the field of wooden structure connectors, in particular to a joist connector.

Background technique

At present, the connecting parts used for the connection between two joists in wooden structures include nails, bolts, tooth plates, split rings, shear plates, hooks, etc. Among them, scissors have been widely used due to their superior stability, but When connecting the wooden structure through scissors, it is necessary to directly connect the scissors structure and the wooden structure, which will destroy the structure of the wood itself, and the desired effect cannot be achieved due to the brittleness of the wood, thereby reducing the stability of the connection structure, especially with When connecting wood pieces with small width and thickness like joists, it is very easy to cause damage to the joists; in addition, the scissors brace and the wood are usually directly connected by screws. This connection is not easy to disassemble and will cause great damage to maintenance Inconvenience, and the scissor support cannot be reused, so that the requirements of environmental protection, energy saving and high efficiency of prefabricated wood structure buildings cannot be met, thus limiting the development of prefabricated wood structure building technology.

Utility model content

1. Problems to be solved

Aiming at the problem in the prior art that connecting wooden parts through scissor braces is difficult to disassemble and easily causes damage to the wooden parts, the utility model provides a joist connecting part, which can simplify the assembly process, facilitate disassembly and assembly, and avoid excessive damage to the wooden parts. Large damage and improve connection stability.

2. Technical solution

In order to solve the above problems, the utility model adopts the following technical solutions.

A joist connector, comprising a first support plate and a second support plate, the middle part of the first support plate and the middle part of the second support plate are cross-fixedly connected to form a cross connection point, and the first support plate and the second support plate are located at the intersection The ends on the same side of the connection point are all fixedly connected with inner panels, one side of the inner panel is hinged with a connection panel, and the other side of the connection panel is hinged with an outer panel, and a storage space for the joists is formed between the inner panel, the connection panel and the outer panel ; The inner panel and the outer panel are provided with connection holes, and the connection holes pass through the fixed connectors to connect the inner panel, the outer panel and the joists.

Preferably, the connection holes on the panel and the outer panel are all through holes, and the central axes of the connection holes on the inner panel and the outer panel coincide when the inner panel and the outer panel cooperate with the fixed joists, and the inner panel is provided in the connection hole. An external thread that cooperates with the internal thread is provided at the joint between the fixed connector and the connection hole.

Preferably, the fixed connecting member is a stud bolt.

Preferably, a waterproof pad is provided on the side where the inner panel, the connection panel and the outer panel are in contact with the joist.

Preferably, there are two connecting holes, and they are distributed symmetrically along the middle line of the inner panel or the outer panel passing through the central point in the longitudinal direction.

Preferably, the first support plate, the second support plate, the inner panel, the connecting panel and the outer panel are all made of steel.

Preferably, the cross connection points of the first support plate and the second support plate, and the connection points of the first support plate, the second support plate and the inner panel are all connected by welding.

Preferably, the size and shape of the inner panel and the outer panel are the same.

Preferably, the width of the inner panel and the outer panel is d1, the width of the connecting panel is d2, and d1>d2.

3. Beneficial effects

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

(1) The utility model clamps the joists through the cooperation of the support plate and each clamping panel, while maintaining the superior support and fixing ability of the scissors, it can realize rapid and repeated disassembly and assembly, and realize the recycling of the connection structure, and It can reduce the damage to wood tissue structures such as joists, save resources and save manufacturing costs.

(2) The structure of the utility model is stable, forming a large-area planar contact between the inner and outer panels and the joist, which can make the joist more uniform in force and improve the connection stability.

(3) The utility model can flexibly disassemble and replace the connecting panel according to the size of the joists, thereby adapting to joists of various sizes and meeting the needs of various building construction occasions.

(4) The utility model reduces the water absorption of the joist wood through the setting of the waterproof pad, so as to avoid its rapid decay due to high water content.

Description of drawings

Fig. 1 is the perspective view of the utility model;

Fig. 2 is a perspective view of the utility model clamping joists;

Fig. 3 is the front view of the utility model.

In the picture:

1. The first support plate; 2. The second support plate; 3. The inner panel; 4. The connection panel; 5. The outer panel; 6. The connection hole;

7. Joists; 8. Fixed connectors; 9. Waterproof pads.

Detailed ways

In order to make the technical means, creation features, purpose and effect of the utility model easy to understand, the utility model will be further elaborated below in conjunction with the embodiments.

Scissor braces are widely used in the connection of steel structures or wooden structures due to their superior support and connection capabilities. Among them, the joists of wooden materials often use scissors braces as the supporting connection structure, and the connection points of scissors braces and joists It is usually formed by screw connection, which will cause damage to the joists with a small thickness. At the same time, it cannot be disassembled and replaced at will, which is not conducive to repair and maintenance. For this reason, this embodiment provides a joist connector as follows:

As shown in FIG. 1 , a joist connector mainly consists of a scissors structure and connection structures on both sides of the scissors structure for fixedly connecting the joists 7 .

As shown in Figures 1-3, the scissors brace is composed of a first support plate 1 and a second support plate 2, and the middle parts of the first support plate 1 and the second support plate 2 are cross-fixed and connected, and can be connected by welding, so that A cross-connection point is formed; the ends of the first support plate 1 and the second support plate 2 on the same side of the cross-connection point are connected to the inner panel 3 by means of fixed connection such as welding or screw connection, and one side of the inner panel 3 is hingedly connected Panel 4, the outer panel 5 is hinged on the other side of the connecting panel 4, and an accommodation space is formed between the inner panel 3, the connecting panel 4 and the outer panel 5, which can accommodate the joist 7, wherein the inner panel 3, the outer panel 5 and the connecting panel 4 All use rectangular plates, so that when the joist 7 is accommodated in the accommodation space, a large-area planar contact is formed between the inner and outer panels and the joist 7, which can make the joist 7 more uniform in force and improve the connection stability; in order to improve The aesthetics and the stress uniformity of the joist 7, the size and shape of the inner panel 3 and the outer panel 5 are the same, and the width d1 of the inner panel 3 and the outer panel 5 is greater than the width d2 of the connecting panel 4, so as to enhance the support for the joist 7 After that, in order to fix the joist 7, a connection hole 6 is opened on the inner panel 3 and the outer panel 5, and the connection hole 6 passes through the fixing connector 8, thereby connecting the inner panel 3, the outer panel 5 and the joist 7.

In a possible embodiment, the connection holes 6 are all through holes, preferably two, and distributed symmetrically along the middle line passing through the center point of the inner panel 3 or outer panel 5 in the longitudinal direction, so as to enhance the uniformity of force In addition, an internal thread is provided in the connecting hole 6. When the inner panel 3, the outer panel 5 and the connecting panel 4 cooperate to fix and clamp the joist 7, the central axis of the connecting hole 6 on the inner panel 3 and the outer panel 5 is inside When the panel 3 and the outer panel 5 cooperate with the fixed joist 7, they overlap, and pass through the fixed connector 8 from the connecting hole 6, and the outer surface of the fixed connector 8 and the connecting hole 6 are provided with an external thread that matches the internal thread, so that Connect the inner panel 3, the outer panel 5 and the joist 7; the fixed connection can be bolts or other connection structures, preferably stud bolts, which have better balance and stability.

In the above process of fixing the joists 7, the joists 7 are first placed in proper positions, and the joists 7 are pre-punched through the connection holes 6 to facilitate the subsequent connection process and avoid excessive damage to the joists 7.

In order to strengthen the stability of the connection structure, the above-mentioned first support plate 1, second support plate 2, inner panel 3, outer panel 5, and connecting panel 4 are all made of steel materials; during construction or in daily humid environments, the inner panel 3. The outer panel 5 and the connecting panel 4 are easy to accumulate water stains. In order to prevent the wood-structured joists 7 from rotting due to excessive water absorption, the inner panel 3, the connecting panel 4, the outer panel 5 and the joist 7 are arranged on the side where they are in contact with each other. Waterproof pad9.

In the description of this patent, it is to be understood that the terms "upper", "lower", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", The orientation or positional relationship indicated by "outside", "front", "rear", "clockwise", "counterclockwise", etc. is based on the orientation or positional relationship shown in the accompanying drawings, and is only for the convenience of describing the utility model and simplification Describe, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed in a particular orientation, and operate in a particular orientation, and therefore should not be construed as limiting the patent.

In this patent, unless otherwise expressly specified and limited, the terms "mounted", "connected", "connected", "fixed" and other terms should be interpreted in a broad sense, for example, it can be a fixed connection or a detachable connection , or integrally connected; it can be directly connected or indirectly connected through an intermediary. Those of ordinary skill in the art can understand the specific meanings of the above terms in this patent according to specific situations.

The basic principles, main features and advantages of the present utility model have been shown and described above. Those of ordinary skill in the art should understand that the utility model is not limited by the above-mentioned embodiments. The above-mentioned embodiments and descriptions are only the principles of the utility model. Without departing from the spirit and scope of the utility model, the utility model The new model also has various changes and improvements, and these changes and improvements should all fall within the claimed utility model. The scope of protection required by the utility model is defined by the appended claims and their equivalents.

Claims (9)

1. A joist connector, characterized in that: the shelf comprises a first supporting plate (1) and a second supporting plate (2), wherein the middle part of the first supporting plate (1) is fixedly connected with the middle part of the second supporting plate (2) in a crossed manner to form a cross connection point, the end parts of the first supporting plate (1) and the second supporting plate (2) which are positioned on the same side of the cross connection point are fixedly connected with an inner panel (3), one side of the inner panel (3) is hinged with a connecting panel (4), the other side of the connecting panel (4) is hinged with an outer panel (5), and a containing space for containing a shelf (7) is formed among the inner panel (3), the connecting panel (4) and the outer panel (5); the inner panel (3) and the outer panel (5) are both provided with connecting holes (6), and the connecting holes (6) penetrate through fixed connecting pieces (8) to connect the inner panel (3), the outer panel (5) and the joist (7).

2. The joist coupler as claimed in claim 1, wherein: connecting hole (6) on interior panel (3) and outer panel (5) are the through-hole, and the axis of connecting hole (6) on interior panel (3) and outer panel (5) coincide when including panel (3) and outer panel (5) cooperation fixed joist (7), are provided with the internal thread in connecting hole (6), fixed connector (8) with connecting hole (6) cooperation department be provided with interior screw-thread fit's external screw thread.

3. The joist coupler as claimed in claim 2, wherein: the fixed connecting piece (8) is a stud bolt.

4. The joist coupler as claimed in claim 1, wherein: and a waterproof pad (9) is arranged on one side of the inner panel (3), the connecting panel (4) and the outer panel (5) which are contacted with the joist (7).

5. The joist coupler as claimed in claim 1, wherein: the number of the connecting holes (6) is 2, and the connecting holes are symmetrically distributed along a middle line which penetrates through the center point of the inner panel (3) or the outer panel (5) in the longitudinal direction.

6. The joist coupler as claimed in claim 1, wherein: the first supporting plate (1), the second supporting plate (2), the inner panel (3), the connecting panel (4) and the outer panel (5) are all made of steel.

7. The joist coupler as claimed in claim 6, wherein: the cross connection point of the first supporting plate (1) and the second supporting plate (2) and the connection points of the first supporting plate (1), the second supporting plate (2) and the inner panel (3) are connected in a welding mode.

8. The joist coupler as claimed in claim 1, wherein: the inner panel (3) and the outer panel (5) are identical in size and shape.

9. The joist coupler as claimed in claim 8, wherein: the width of the inner panel (3) and the outer panel (5) is d1, the width of the connecting panel (4) is d2, and d1 > d 2.

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