CN219411301U - Self-locking hinge for folding board house - Google Patents

Abstract

The utility model relates to the technical field of folding houses, in particular to a self-locking hinge for a folding house, which comprises a first connector, a second connector, a rotary groove, a central body, a spanner, a connecting rod, a spring, a pin and a pin hole, wherein the central body is provided with a pin hole; the hinge is characterized in that the first connector and the second connector are connected through the hinge, the hinge comprises a central body with a circular cross section fixed on the first connector and a rotary groove arranged on the second connector and capable of being embedded by the central body, a first limiting shaft hole and a second limiting shaft hole are respectively arranged on the upper portion and the side portion of the central body, the cylindrical pin hole is arranged above the rotary groove, the pin is arranged in the cylindrical pin hole, the spanner is connected with the pin through a connecting rod, the spring is arranged between the upper portion of the cylindrical pin hole and the pin, and the lower end of the cancellation extends out of the rotary groove to be matched with the first limiting shaft hole and the second limiting shaft hole. The device realizes automatic locking of two wallboards after being folded in place by virtue of round holes in two directions on the central body and cylindrical pins with springs.

Description

Self-locking hinge for folding board house

Technical Field

The utility model relates to the technical field of folding board houses, in particular to a self-locking hinge for a folding board house.

Background

The folding board houses commonly used at present all need the steps of contraction, expansion and the like, and for the board houses after expansion, additional locking components are needed to keep the overall structure of the board houses. Because the additional locking component is relatively complicated in installation steps, the folding board house cannot be unfolded and retracted in one step, and quick unfolding and folding cannot be realized. Therefore, the requirements of rapidly building camps and evacuating in the field environment cannot be met.

Disclosure of Invention

The utility model provides a self-locking hinge for a folding board house, which aims to effectively solve the problems in the background art.

The specific technical scheme is as follows;

a self-locking hinge for a folding board house comprises a first connector, a second connector, a rotary groove, a central body, a spanner, a connecting rod, a spring, a pin and a pin hole; the hinge is characterized in that the first connector and the second connector are connected through a hinge, the hinge comprises a central body with a circular cross section fixed on the first connector and a rotating groove arranged on the second connector and used for embedding the central body, a first limiting shaft hole and a second limiting shaft hole are respectively arranged on the upper portion and the side portion of the central body, the rotating groove is provided with the stud hole, a pin is arranged in the stud hole, a pull key is connected with the pin through a connecting rod, a spring is arranged between the upper portion of the stud hole and the pin, and the lower end of the cancellation extends out of the rotating groove to be matched with the first limiting shaft hole and the second limiting shaft hole.

Preferably, the axes of the first limiting shaft hole and the second limiting shaft hole are mutually perpendicular.

Preferably, the two sides of the second connector are respectively provided with a first sealing clamping groove and a second sealing clamping groove, the second sealing clamping groove is positioned on one side of the rotating groove, the first sealing clamping groove is positioned above the rotating groove, and sealing rubber strips are respectively arranged in the first sealing clamping groove and the second sealing clamping groove.

Preferably, a third sealing clamping groove is formed in the first connecting body and is located on one side of the central body, and sealing rubber strips are arranged in the third sealing clamping groove.

Compared with the prior art, the utility model has the beneficial effects that: the device relies on round holes in two directions on the central body and cylindrical pins with springs to realize locking and fixing of two wallboards after the wallboards are folded in place. Therefore, the time required for unfolding and withdrawing is greatly reduced, and one-step unfolding and withdrawing is realized.

Drawings

FIG. 1 is a schematic view of a first connector according to the present utility model;

FIG. 2 is a schematic structural view of a second connector according to the present utility model;

FIG. 3 is a schematic view of a structure in which the first connector and the second connector are locked by 90 DEG vertically in the present utility model;

fig. 4 is a schematic view showing a structure of the first connector and the second connector locked after rotating to the same plane.

Detailed Description

Spatially relative terms, such as "above … …," "above … …," "upper surface at … …," "above," and the like, may be used herein for ease of description to describe one device or feature's spatial location relative to another device or feature as illustrated in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations in use or operation in addition to the orientation depicted in the figures. For example, if the device in the figures is turned over, elements described as "above" or "over" other devices or structures would then be oriented "below" or "beneath" the other devices or structures. Thus, the exemplary term "above … …" may include both orientations of "above … …" and "below … …". The device may also be oriented 90 degrees or at other orientations and the spatially relative descriptors used herein interpreted accordingly.

The following detailed description of the utility model refers to the accompanying drawings and preferred embodiments. As shown in fig. 1-2, a self-locking hinge for a folding board house, comprises a first connecting body 1, a second connecting body 2, a first sealing clamping groove 3, a second sealing clamping groove 4, a first limiting shaft hole 5, a second limiting shaft hole 6, a third sealing clamping groove 7, a rotary groove 8, a central body 9, a first supporting body 10, a second supporting body 11, a first arc-shaped body 12, a first limiting body 13, a first extending body 14, a third supporting body 15, a fourth supporting body 16, a second limiting body 17, a second arc-shaped body 18, a third arc-shaped body 19, a second extending body 20, a third extending body 21, a fourth arc-shaped body 22, a fourth extending body 23, a fifth extending body 24, a fifth arc-shaped body 25, a wrenching key 26, a connecting rod 27 spring 28, pin 29, sixth arc 30, sixth extension 31, seventh extension 32, connecting rod hole 33, seventh arc 34, fifth support 35, eighth extension 36, sixth support 37, third retainer 38, seventh support 39, fourth retainer 40, eighth support 41, ninth support 42, tenth support 43, eleventh support 44, twelfth support 45, fifth retainer 46, thirteenth support 47, sixth retainer 48, pin hole 49, center support 50, first joint strip 51, second joint strip 52, third joint strip 53, and center-through semicircle hole 54.

The utility model has a first connector 1 and a second connector 2, the first connector 1 and the second connector 2 being connected by a hinge. The hinge member comprises a central body 9 with a circular section and fixed on the first connector 1, and a rotary groove 8 which is arranged on the second connector 2 and can be used for embedding the central body 9, wherein a through semicircular hole 54 coaxial with the central body is arranged in the central body 9.

Attached to the central body 9 is a central support body 50, which central support body 50 is on a radial extension of the central body 9. Connected to the central support 50 are a second support 11 and a first arc 12. The first arc 12 is concentric with the central body 9. The direction of the second supporting body 11 is perpendicular to the extension line direction of the center supporting body 50. Connected to the second support 11 is a first support 10, the direction of which is perpendicular to the direction of extension of the second support 11. Connected to the first arc body 12 is a first extension body 14, the direction of the first extension body 14 being parallel to the extension line direction of the first support body 10 and perpendicular to the extension line direction of the second support body 11. Connected to the first extension body 14 are a first stopper body 13 and a third support body 15. The direction of the first limiting body 13 is perpendicular to the extending line direction of the first extending body 14. The direction of the third supporting body 15 is perpendicular to the extending line direction of the first extending body 14 and is parallel to the extending line direction of the first limiting body 13.

Connected to the third support 15 is a fourth support 16, the direction of which is perpendicular to the direction of extension of the third support. Connected to the fourth support 16 is a second limiting body 17, which is oriented perpendicular to the direction of extension of the fourth support 16 and in line with the direction of extension of the first limiting body 13.

The first limiting body 13, the first extending body 14, the third supporting body 15, the fourth supporting body 16 and the second limiting body 17 form a third sealing clamping groove 7.

The rotating groove 8 on the second connecting body 2 is formed by the arc-shaped end surfaces of the sixth arc-shaped body 30, the seventh arc-shaped body 34 and the pin 29. Connected to the sixth arc body 30 is a sixth extension body 31, which is oriented parallel to the extension line of the second connection body 2. Connected to the seventh arc body 34 are a fifth support body 35 and an eighth extension body 36, wherein the direction of the fifth support body 35 is perpendicular to the extension line direction of the sixth extension body 31, and the direction of the eighth extension body 36 is parallel to the extension line direction of the sixth extension body. Connected to the fifth support 35 is a sixth support 37 oriented perpendicular to the direction of extension of the fifth support 35. Connected to the sixth support 37 are a third limit element 38 and a seventh support 39, wherein the direction of the third limit element 38 is perpendicular to the direction of extension of the sixth support 37 and parallel to the direction of extension of the fifth support 35. The direction of the seventh supporting body 39 is perpendicular to the extending line direction of the sixth supporting body 37, and is parallel to the extending line direction of the third limiting body 38. Connected to the seventh support 39 is a thirteenth support 47 oriented perpendicular to the direction of extension of the seventh support 39 and parallel to the direction of extension of the sixth support 37. Connected to the thirteenth support 47 is a sixth spacing body 48 perpendicular to the direction of extension of the thirteenth support 47 and collinear with the direction of extension of the third spacing body 38. The sixth supporting body 37, the third limiting body 38, the seventh supporting body 39, the thirteenth supporting body 47, and the sixth limiting body 48 form the second sealing clamping groove 4.

Connected to the eighth extension 36 is a tenth support 43 oriented perpendicular to the extension of the eighth extension 36. Connected to the tenth support 43 is an eleventh support 44, the tenth support 43 being connected to a portion of the twelfth support 45. The eleventh support 44 is oriented parallel to the extension of the eighth extension 36. Likewise, the twelfth support 45 is parallel to the extension line of the eighth extension 36. Connected to a part of the eleventh support 44 is an eighth support 41 oriented in line with the extension of the eleventh support 44. Connected to the eighth support 41 are a fourth limiter 40 and a ninth support 42, wherein the fourth limiter 40 is oriented perpendicular to the extension of the eighth support 41 and parallel to the extension of the tenth support 43. The ninth support body 42 is perpendicular to the extension line direction of the eighth support body 41, and is parallel to the extension line direction of the tenth support body 43. Connected to the ninth support body 42 is a twelfth support body 45, and connected to the twelfth support body 45 is a ninth support body 42 and a fifth limiter 46, wherein the direction of the ninth support body 42 is perpendicular to the direction of extension of the twelfth support body 45 and parallel to the direction of extension of the fourth limiter 40. The fifth limiting body 46 is perpendicular to the extending line direction of the twelfth supporting body 45 and is in the same straight line with the extending line direction of the fourth limiting body 40.

The fourth limiting body 40, the eighth supporting body 41, the ninth supporting body 42, the twelfth supporting body 45 and the fifth limiting body 46 form the first sealing clamping groove 3.

The first sealing rubber strip 51, the second sealing rubber strip 52 and the third sealing rubber strip 53 are respectively arranged in the second sealing clamping groove 4, the first sealing clamping groove 3 and the third sealing clamping groove 7.

Wherein the stud 29 is disposed within the stud bore 49. The trigger 26 is connected to a connecting rod 27, and the connecting rod 27 is connected to a pin 29. The spring 28 is disposed between the upper end surface of the pin 29 and the seventh extension 32, and the upper portion of the connecting rod 27 passes through the connecting rod hole 33 and penetrates the center of the spring.

In a specific embodiment, the central body 9 is arranged in the rotary groove 8, a plurality of pins 29 and pin holes 49 are arranged on the whole hinge, hollow spaces are arranged on the second connecting body 2 at the positions where the pins 29 and the pin holes 49 are arranged, namely, the part where the eighth supporting body 41 is not connected with the eleventh supporting body 44 and the part where the tenth supporting body 43 is not connected with the twelfth supporting body 45 are used for pulling the spanner 26 by a stretcher.

When the first connector 1 and the second connector 2 are perpendicular, the second sealing rubber strip 52 is contacted with and pressed against the fourth supporting body 16. The third sealing rubber strip 53 is in contact with and pressed against the sixth extension 31. At this time, the pin 29 enters the first limiting shaft hole 5 to be locked and limited under the action of the spring 28. When it is desired to rotate the hinge, the trigger 26 is pulled up to withdraw the pin 29 from the first limiting axial bore 5. The first connector 1 and the second connector 2 relatively rotate, so that the first connector 1 and the second connector 2 are on the same straight line, and at the moment, the pin 29 enters the second limiting shaft hole 6 to be locked and limited under the action of the spring 28. At this time, the first joint strip 51 is in contact with and pressed against the second supporting body 11.

The foregoing is merely a preferred embodiment of the present utility model and it should be noted that modifications and adaptations to those skilled in the art may be made without departing from the principles of the present utility model, which are intended to be comprehended within the scope of the present utility model.

Claims (4)

1. A from locking-type hinge for folding board room, its characterized in that: the device comprises a first connector, a second connector, a rotary groove, a central body, a spanner, a connecting rod, a spring, a pin and a pin hole; the hinge is characterized in that the first connector and the second connector are connected through a hinge, the hinge comprises a central body with a circular cross section fixed on the first connector and a rotating groove arranged on the second connector and used for embedding the central body, a first limiting shaft hole and a second limiting shaft hole are respectively arranged on the upper portion and the side portion of the central body, the rotating groove is provided with the stud hole, a pin is arranged in the stud hole, a pull key is connected with the pin through a connecting rod, a spring is arranged between the upper portion of the stud hole and the pin, and the lower end of the cancellation extends out of the rotating groove to be matched with the first limiting shaft hole and the second limiting shaft hole.

2. The self-locking hinge for a folding board house of claim 1, wherein the axes of the first and second limiting shaft holes are perpendicular to each other.

3. The self-locking hinge for a folding board house according to claim 1, wherein the two sides of the second connector are respectively provided with a first sealing clamping groove and a second sealing clamping groove, the second sealing clamping groove is positioned at one side of the rotating groove, the first sealing clamping groove is positioned above the rotating groove obliquely, and sealing rubber strips are respectively arranged in the first sealing clamping groove and the second sealing clamping groove.

4. The self-locking hinge for a folding board house of claim 1, wherein the first connector is provided with a third sealing slot, the third sealing slot is located at one side of the central body, and a sealing adhesive tape is arranged in the third sealing slot.