Horizontal pushing self-locking structure

Abstract

A horizontal pushing self-locking structure comprises a main supporting rod, an auxiliary supporting rod and a base connected with the main supporting rod and the auxiliary supporting rod, a ratchet wheel is connected to a movable block through a limiting rotating shaft, a surface groove is formed in the side face, facing the base, of the ratchet wheel in the circumferential direction, a limiting column matched with the surface groove penetrates through the base, and a torsional spring is fixedly connected into a containing groove. The movable block is provided with the ratchet wheel, the main supporting rod can push the movable block in the process that a window sash is in a suspended opening state from a closed state, and therefore after the ratchet wheel rotates in the single direction, the ratchet wheel is matched with the limiting column through the guide groove, and the ratchet wheel is driven to rotate in the single direction. When the limiting column is arranged in the surface groove of the ratchet wheel, the edge teeth of the ratchet wheel are tightly clamped by the torsional spring, the window sash is in a suspended open state at the moment, and the movable block cannot automatically slide under the condition that the window sash is not pushed outwards continuously, so that the window sash cannot be automatically and accidentally closed even if the window sash is heavy or blown by strong wind, and the self-locking function is achieved.

Description

Technical Field

[0001] The utility model relates to the technical field of door and window hinges, and more specifically, particularly to a horizontal push self-locking structure. Background Art

[0002] Casement windows are divided into push-pull type and top-hung type; their advantages are large opening area, good ventilation, good sealing, excellent sound insulation, heat preservation and anti-seepage performance. The inward-opening type is easy to clean; the outward-opening type does not take up space when opened, and the installation method of casement windows is generally to install them on one side of the window sash and connect them to the window frame through hinges. According to whether they open outward or inward, this type of window is divided into external casement windows and internal casement windows; the characteristics of this type of window are: simple structure, flexible opening, easy cleaning, and good sealing performance when closed. It is the most widely used type of window in civil buildings.

[0003] The hinge connects the window frame and the window sash through the support rocker arm, and after the window sash is hung open, the support rocker arm can play the role of supporting and fixing the window sash. In a support rocker arm in the prior art, after the window sash is hung open, the main support rod will pull the rivet to slide, and when the rivet slides to a certain position, the rivet will be stuck in the retaining spring, so that when the window sash is hung open, the window sash can be fixed in a suspended state. However, the snap-fit ​​structure of fixing the rivet with the retaining spring is not firm. When the window sash is blown by strong wind or the weight of the window sash is large, the rivet is easy to slide out of the retaining spring, causing the window sash to close automatically and accidentally. Utility Model Content

[0004] The utility model improves the prior art in view of the above shortcomings and provides a horizontal push self-locking structure. The technical solution is as follows:

[0005] The cam is provided with a plurality of guide rails, each of which is provided with a plurality of guide rails, and the guide rails are provided with a plurality of guide rails, each of which is provided with a plurality of guide rails.

[0006] The movable block is provided with a rotating rivet at one end opposite to the ratchet wheel, and the base is provided with a directional groove in the slide groove to enable the rotating rivet to move axially, and the rotating rivet passes through the directional groove and is connected to the main support rod.

[0007] Furthermore, the middle portion of the main support rod is rotatably connected to one end of the auxiliary support rod, and the other end of the auxiliary support rod is rotatably connected to one end of the base.

[0008] The inner side of the base is provided with inner buckles extending in opposite directions, and the outer side is provided with a slot to form an edge.

[0009] The base is provided with a cover plate on the outer side of the accommodating groove.

[0010] The limiting column has a stepped structure.

[0011] A step structure that cooperates with each other is arranged between the outer side surface of the movable block and the inner side surface of the sliding groove.

[0012] Compared with the prior art, the beneficial effects of the utility model are as follows: the movable block of the utility model is equipped with a ratchet, which can enable the main support rod to push the movable block during the process of the window sash changing from a closed state to a suspended state, so that the ratchet rotates in one direction and cooperates with the limit column through the guide groove. When the limit column is set in the surface groove of the ratchet, the edge teeth of the ratchet are tightly clamped by the torsion spring. At this time, the window sash is in a suspended state. Without continuing to push the window sash outward, the movable block cannot slide autonomously. Therefore, even if the window sash itself is very heavy or blown by strong winds, the window sash will not automatically close accidentally, thereby realizing the self-locking function. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] In order to more clearly illustrate the technical solution of the embodiment of the utility model, the following is a brief introduction to the drawings required for describing the embodiment:

[0014] Figure 1 This is an implementation view of the utility model;

[0015] Figure 2 It is a three-dimensional structural diagram of the utility model;

[0016] Figure 3 It is a side view of the utility model;

[0017] Figure 4 It is an exploded structural diagram of the utility model;

[0018] Including: 1. Main support rod; 2. Auxiliary support rod; 3. Base; 4. Slide groove; 5. Movable block; 6. Avoidance position; 7. Limiting shaft; 8. Ratchet; 9. Spring; 10. Ball; 11. Surface groove; 12. Guide groove; 13. Limiting column; 14. Accommodating groove; 15. Torsion spring; 16. Rotating rivet; 17. Orienting groove; 18. Inner buckle; 19. Slot; 20. Cover plate. DETAILED DESCRIPTION

[0019] The following is a clear and complete description of the technical solutions in the embodiments of the utility model in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the protection scope of the utility model.

[0020] The following is a further detailed description of the embodiments of the present invention in conjunction with the accompanying drawings, as follows:

[0021] A horizontal push self-locking structure includes a main support rod 1, a secondary support rod 2 and a base 3 connected thereto, the base 3 is provided with a slide groove 4 along the length direction, a movable block 5 is movably arranged in the slide groove 4, one end of the movable block 5 is provided with an escape position 6 for accommodating a ratchet 8, the movable block 5 is connected to the ratchet 8 through a limit rotating shaft 7, a spring 9 is penetrated through the outer periphery of the movable block 5 toward the ratchet 8, one end of the spring 9 is equipped with a ball 10, so that the ball 10 is in conflict with the outer periphery of the ratchet 8 through the spring 9, and the ratchet 8 is toward the base 3. A surface groove 11 is circumferentially provided on one side surface, and the surface groove 11 is connected to the outer periphery of the ratchet 8 via a guide groove 12. There are 4 groups of guide grooves 12, which are connected to the surface groove 11 in a cross structure. A limiting column 13 that cooperates with the surface groove 11 passes through the base 3, and the limiting column 13 has a stepped structure. A receiving groove 14 is provided on one side of the ratchet 8 of the base 3, and a torsion spring 15 is fixedly connected in the receiving groove 14. One end of the torsion spring 15 contacts the outer periphery of the ratchet 8, so that the ratchet 8 rotates in one direction.

[0022] In this embodiment, the base 3 is connected to the window frame, the main support rod 1 and the auxiliary support rod 2 are connected to the window sash, and a slide groove 4 is provided on the base 3 along the length direction, and a movable block 5 is movably arranged in the slide groove 4. The movable block 5 can slide in the slide groove 4 to adapt to the opening and closing of the window sash, and a clearance position 6 for accommodating a ratchet 8 is provided at one end of the movable block 5. The clearance position 6 can accommodate the ratchet 8 so that the ratchet 8 can rotate freely in the movable block 5, and a spring 9 is passed through the outer periphery of the movable block 5 facing the ratchet 8, and a ball 10 is installed at one end of the spring 9. The ball 10 can contact the outer periphery of the ratchet 8 under the action of the spring 9 to achieve a damping effect. A surface groove 11 is circumferentially provided on the side of the ratchet 8 facing the base 3. The surface groove 11 is connected to the outer periphery of the ratchet 8 through a plurality of guide grooves 12. The guide groove 12 can provide a guiding effect for the limit column 13, so that the limit column 13 can be smoothly inserted into the surface groove 11. When the window sash is closed, the limit column 13 can be inserted into the surface groove 11. A receiving groove 14 is provided on the side of the base 3 located at the ratchet 8. A torsion spring 15 is fixedly connected in the receiving groove 14. One end of the torsion spring 15 contacts the outer periphery of the ratchet 8, so that the ratchet 8 can only rotate in one direction, thereby realizing the self-locking function of the window sash. When the window sash needs to be closed, the window sash can be pushed outward so that the limit column 13 is set in the guide groove 12. The ratchet 8 can force the torsion spring 15, thereby causing the torsion spring 15 to disengage from the ratchet 8, and the movable block 5 can slide.

[0023] The movable block 5 is located at the end opposite to the ratchet 8 and is penetrated by a rotating rivet 16. The base 3 is located in the slide groove 4 and is provided with a directional groove 17 that allows the rotating rivet 16 to move axially. The rotating rivet 16 passes through the directional groove 17 and is connected to the main support rod 1. The middle part of the main support rod 1 is rotatably connected to one end of the auxiliary support rod 2, and the other end of the auxiliary support rod 2 is rotatably connected to one end of the base 3.

[0024] An inner buckle 18 is provided on the inner side of the base 3 and is oppositely extended. A slot 19 is provided on the outer side to form an edge eave, and the edge eave is used to connect the base 3 with the window frame.

[0025] A cover plate 20 is provided on the outer side of the base 3 located at the receiving groove 14 , and the torsion spring 15 is limited by the cover plate 20 to prevent it from falling off.

[0026] A step structure that cooperates with each other is provided between the outer side surface of the movable block 5 and the inner side surface of the slide groove 4 .

[0027] The movable block 5 of the utility model is equipped with a ratchet 8, which can enable the main support rod 1 to push the movable block 5 when the window sash changes from a closed state to a suspended state, so that the ratchet 8 rotates in one direction and cooperates with the limiting column 13 through the guide groove 12. When the limiting column 13 is arranged in the surface groove 11 of the ratchet 8, the edge teeth of the ratchet 8 are tightly clamped by the torsion spring 15. At this time, the window sash is in a suspended state. Without continuing to push the window sash outward, the movable block 5 cannot slide autonomously. Therefore, even if the window sash itself is very heavy or blown by strong winds, the window sash will not automatically close accidentally, thereby realizing the self-locking function.

[0028] Although the 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 horizontal push self-locking structure, comprising a main support rod, a secondary support rod and a base connected thereto, characterized in that: The base is provided with a slide groove along the length direction, and a movable block is movably arranged in the slide groove, and an escape position for accommodating the ratchet is provided at one end of the movable block, and the movable block is connected to the ratchet through a limiting rotating shaft, and a spring is passed through the movable block toward the outer periphery of the ratchet, and a ball is installed at one end of the spring so that the ball contacts the outer periphery of the ratchet through the spring, and a surface groove is circumferentially provided on a side surface of the ratchet facing the base, and the surface groove is connected to the outer periphery of the ratchet through a plurality of groups of guide grooves, and the base is penetrated by a limiting column matching the surface groove, and a accommodating groove is provided on one side of the ratchet, and a torsion spring is fixedly connected in the accommodating groove, and one end of the torsion spring contacts the outer periphery of the ratchet, so that the ratchet rotates in one direction.

2. A horizontal push self-locking structure according to claim 1, characterized in that: The movable block is provided with a rotating rivet at one end opposite to the ratchet wheel, and the base is provided with a directional groove in the slide groove to enable the rotating rivet to move axially, and the rotating rivet passes through the directional groove and is connected to the main support rod.

3. A horizontal push self-locking structure according to claim 1 or 2, characterized in that: The middle part of the main support rod is rotatably connected to one end of the auxiliary support rod, and the other end of the auxiliary support rod is rotatably connected to one end of the base.

4. The horizontal push self-locking structure according to claim 1, characterized in that: The inner side of the base is provided with inner buckles extending in opposite directions, and the outer side is provided with a slot to form an edge.

5. The horizontal push self-locking structure according to claim 1, characterized in that: The base is provided with a cover plate on the outer side of the accommodating groove.

6. The horizontal push self-locking structure according to claim 1, characterized in that: The limiting column has a stepped structure.

7. The horizontal push self-locking structure according to claim 1, characterized in that: A step structure that cooperates with each other is arranged between the outer side surface of the movable block and the inner side surface of the sliding groove.

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