Three-dimensional adjustable hinge

Abstract

The utility model belongs to the technical field of hinges, and particularly relates to a three-dimensional adjustable hinge which comprises a first hinge piece and a second hinge piece, a sleeve and an assembly column are fixedly arranged on the side edge of the first hinge piece and the side edge of the second hinge piece respectively, and a worm gear is rotationally arranged at the bottom end of the interior of the sleeve through a bearing. A screw is fixedly arranged at the top end of the worm gear, a worm is rotationally arranged at the position, close to the worm gear, of the inner wall of the assembly column in a penetrating mode through a bearing, teeth of the worm are meshed with teeth of the worm gear, and the helical angle of the worm 7 is smaller than the equivalent friction angle of a worm transmission system. A movable seat is rotationally arranged at the thread position of the screw rod through threaded connection, a top pipe is fixedly arranged at the top end of the movable seat, an insertion rod is fixedly arranged at the bottom end of the assembly column, and through cooperation between the worm and gear structures, height adjustment is more convenient; and the door body can be prevented from sliding down after the height of the door body is adjusted due to the self-locking characteristic of transmission of the worm and gear structure.

Description

Technical Field

[0001] The utility model belongs to the technical field of hinges, in particular to a three-dimensional adjustable hinge. Background Art

[0002] The three-dimensional adjustable hinge is a high-end door and window accessory. Its core feature lies in its three-dimensional adjustment function, that is, the ability to adjust the height, width and depth. This design allows fine-tuning according to the actual conditions of the door frame, door leaf and ground after installation to ensure the smooth operation of the door leaf. The three-dimensional adjustable hinge has brought revolutionary changes to the door and window industry with its unique functions and designs.

[0003] The existing three-dimensional adjustable hinges are mainly composed of the following parts: frame hinges, door hinges, adjustment components, etc. The working principle is: if there is unevenness between the door leaf and the door frame, the adjustment component can be operated to ensure that the door leaf can be opened and closed stably and smoothly.

[0004] The three-dimensional adjustable hinges in the current prior art have the following disadvantages: as time goes by or due to external factors, the hinge material may become fatigued due to repeated stress, resulting in a decrease in its mechanical properties, which may affect the stability of the adjustment mechanism, causing the door to tend to fall after being adjusted up and down, and when adjusting the height of the door body, the user needs to use a screwdriver to turn the adjustment screw at the bottom of the three-dimensional adjustable hinge, and the hinge at the lower end of the door body is difficult to adjust because it is closer to the ground, making the three-dimensional adjustable hinge less practical; therefore, a three-dimensional adjustable hinge is proposed to address the above problems. Utility Model Content

[0005] In order to make up for the shortcomings of the existing three-dimensional adjustable hinges, a three-dimensional adjustable hinge is proposed to solve the problem that the hinge material may produce fatigue due to repeated stress, resulting in a decrease in its mechanical properties, which may affect the stability of the adjustment mechanism, causing the door to tend to fall after being adjusted up and down, and when adjusting the height of the door body, the user needs to use a screwdriver to turn the adjustment screw at the bottom of the three-dimensional adjustable hinge, and the hinge located at the lower end of the door body is close to the ground, which makes it difficult to adjust, making the three-dimensional adjustable hinge poor in practicality.

[0006] The technical solution adopted by the utility model to solve its technical problems is: a three-dimensional adjustable hinge described in the utility model comprises a first hinge piece and a second hinge piece, sleeves and assembly columns are fixedly arranged on the sides of the first hinge piece and the second hinge piece respectively, a worm wheel is rotatably arranged on the inner bottom end of the sleeve through a bearing, a screw is fixedly arranged on the top end of the worm wheel, a limit plate is fixedly arranged on the top end of the screw, a worm is rotatably arranged and penetrated through the inner wall of the assembly column near the worm wheel through a bearing, the teeth of the worm are meshed with the teeth of the worm wheel, the helix angle of the worm 7 is less than the equivalent friction angle of the worm transmission system, an adjusting screw is fixedly arranged on one end of the worm located outside the assembly column, a moving seat is rotatably arranged at the threaded part of the screw through a threaded connection, a top pipe is fixedly arranged on the top end of the moving seat, and an insertion rod is fixedly arranged on the bottom end of the assembly column, and the insertion rod is inserted into the sleeve. Through the cooperation between the above structures, it is more convenient to adjust the height, and the self-locking characteristics of the worm gear structure transmission can prevent the door body from sliding down after the height is adjusted.

[0007] Preferably, a groove is provided on one side of the insertion rod, a plurality of locking grooves are provided in the groove, a movable groove is provided on the inner wall of one side of the sleeve, a movable block is slidably arranged in the movable groove, the sleeve is located at the position of the movable groove and is rotated through a threaded connection and is penetrated by a locking screw, one end of the locking screw is rotatably connected to one side of the movable block through a bearing, a plurality of locking teeth are fixedly provided on one side of the movable block, the locking teeth are meshed with the locking grooves to achieve a locking effect, the insertion rod is limited by the cooperation of the locking teeth and the locking grooves, and the door body is further prevented from sliding down.

[0008] Preferably, a limiting groove is provided on the inner wall of the sleeve, and limiting blocks are fixedly provided on the movable seat and the top pipe. The limiting block is slidably inserted into the limiting groove, and the stability of the structure during adjustment is ensured by the cooperation between the limiting groove and the limiting block.

[0009] Preferably, a rubber ring is sleeved between the sleeve and the assembly column, and the rubber ring cooperates to prevent the sleeve and the assembly column from being damaged by hard collision.

[0010] Preferably, the second hinge piece is slidably arranged in an adjustment box, one side of the adjustment box is open, the adjustment box and the second hinge piece are connected by a fixing screw, an adjustment hole is opened on one side of the adjustment box, front and rear adjustment screws and left and right adjustment screws are arranged in the adjustment box, and the door body can be adjusted in multiple directions through the cooperation of the adjustment box.

[0011] Preferably, a plurality of first assembly holes and a plurality of second assembly holes are respectively formed on the first hinge piece and the adjustment box, so that the first hinge piece and the adjustment box are fixedly assembled on the door frame and the door body respectively.

[0012] Preferably, a plurality of scale grooves are provided on one side of the first hinge piece, and the value of the adjusted height can be visually checked through the cooperation of the scale grooves.

[0013] Beneficial effects of the utility model:

[0014] The utility model provides a three-dimensional adjustable hinge. An operator rotates an adjusting screw through a screwdriver to make the worm drive the worm wheel to rotate, and the worm wheel drives the screw to rotate. When the screw rotates, the movable seat moves up and down, and the movable seat drives the jacking pipe to move up and down. The top end of the jacking pipe abuts against the bottom end of the plug rod to lift the plug rod upward, and the plug rod drives the assembly column to rise, so that the door body rises. Since the transmission of the worm and the worm wheel has a self-locking characteristic, that is, the worm wheel can only be driven by the worm to rotate, and the worm wheel cannot drive the worm to rotate. This characteristic can prevent the movable seat from moving downward to cause the door body to fall. At the same time, when the operator operates the rotating worm, it is not necessary to adjust from the bottom end of the hinge, so as to avoid the problem that the bottom hinge is close to the ground and difficult to operate, thereby improving the practicality of the three-dimensional adjustable hinge.

[0015] The locking groove and the locking teeth mesh with each other to fix the position of the insertion rod and the sleeve, further ensuring that the insertion rod will not move downward, thereby improving the overall stability. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] The drawings described herein are used to provide a further understanding of the present invention and constitute a part of the present application. The exemplary embodiments of the present invention and their descriptions are used to explain the present invention and do not constitute an improper limitation on the present invention. In the drawings:

[0017] Figure 1 It is a three-dimensional picture of the whole;

[0018] Figure 2 is a first cross-sectional view of the sleeve and the mounting column;

[0019] Figure 3 is a second cross-sectional view of the sleeve and the mounting post;

[0020] Figure 4 yes Figure 3 A magnified view of the structure at center A;

[0021] Legend:

[0022] 1. First hinge piece; 2. Second hinge piece; 3. Sleeve; 301. Movable groove; 4. Assembly column; 5. Worm gear; 6. Screw; 601. Limit plate; 7. Worm; 8. Adjustment screw; 9. Moving seat; 10. Top pipe; 11. Insert rod; 12. Groove; 13. Locking groove; 14. Locking screw; 15. Moving block; 16. Locking tooth; 17. Limiting groove; 18. Limiting block; 19. Rubber ring; 20. Adjustment box; 21. Fixing screw; 22. Front and rear adjustment screw; 23. Left and right adjustment screw; 24. First assembly hole; 25. Second assembly hole; 26. Scale groove. DETAILED DESCRIPTION

[0023] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions 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 scope of protection of the utility model.

[0024] Specific examples are given below.

[0025] See also Figure 1-Figure 4The utility model discloses a three-dimensional adjustable hinge, comprising a first hinge piece 1 and a second hinge piece 2. A sleeve 3 and an assembly column 4 are fixedly arranged on the sides of the first hinge piece 1 and the second hinge piece 2, respectively. A rubber ring 19 is sleeved between the sleeve 3 and the assembly column 4. A worm wheel 5 is rotatably arranged at the bottom end of the sleeve 3 through a bearing. A screw rod 6 is fixedly arranged at the top of the worm wheel 5. A limit plate 601 is fixedly arranged at the top of the screw rod 6. A worm 7 is rotatably arranged at the inner wall of the assembly column 4 near the worm wheel 5 through a bearing. The teeth of the worm 7 are The worm 7 is meshed with the teeth of the worm wheel 5, and the helix angle of the worm 7 is smaller than the equivalent friction angle of the worm transmission system. An adjusting screw 8 is fixedly provided at one end of the worm 7 located outside the assembly column 4. A movable seat 9 is rotatably provided at the threaded part of the screw 6 through a threaded connection. A top pipe 10 is fixedly provided at the top of the movable seat 9. A limiting groove 17 is provided on the inner wall of the sleeve 3. A limiting block 18 is fixedly provided on both the movable seat 9 and the top pipe 10. The limiting block 18 is slidably inserted into the limiting groove 17. An insertion rod 11 is fixedly provided at the bottom end of the assembly column 4. The insertion rod 11 is inserted into the sleeve In the cylinder 3, a plurality of scale grooves 26 are provided on one side of the first hinge piece 1. During operation, as time goes by or due to external factors, the hinge material may fatigue due to repeated stress, resulting in a decrease in its mechanical properties, which may affect the stability of the adjustment mechanism, causing the door body to tend to fall after being adjusted up and down. When adjusting the height of the door body, the operator rotates the adjustment screw 8 with a screwdriver to rotate the worm 7, the worm 7 drives the worm wheel 5 to rotate, the worm wheel 5 drives the screw 6 to rotate, and the screw 6 rotates while the movable seat 9 moves up and down, and the movable seat 9 The top pipe 10 is driven to move up and down, and the top end of the top pipe 10 is against the bottom end of the insertion rod 11, which lifts the insertion rod 11 upward, and the insertion rod 11 drives the assembly column 4 to rise, thereby raising the door body. Since the transmission of the worm 7 and the worm wheel 5 has a self-locking characteristic, that is, the worm wheel 5 can only be driven by the worm 7 to rotate, and the worm wheel 5 cannot drive the worm 7 to rotate. This characteristic can prevent the moving seat 9 from moving downward and causing the door body to drop. At the same time, when the operator operates the rotating worm 7, there is no need to adjust from the bottom end of the hinge, which avoids the problem that the bottom hinge is close to the ground and is difficult to operate, thereby improving the practicality of the three-dimensional adjustable hinge.

[0026] Furthermore, a groove 12 is provided on one side of the insertion rod 11, and a plurality of locking grooves 13 are provided in the groove 12. A movable groove 301 is provided on the inner wall of one side of the sleeve 3. A moving block 15 is slidably arranged in the movable groove 301. The sleeve 3 is located at the position of the movable groove 301 and is rotated and penetrated by a locking screw 14 through a threaded connection. One end of the locking screw 14 is rotatably connected to one side of the moving block 15 through a bearing. A plurality of locking teeth 16 are fixedly provided on one side of the moving block 15, and the locking teeth 16 are engaged with the locking groove 13 to achieve a locking effect. During operation, after the height adjustment is completed, the operator uses a screwdriver to rotate the locking screw 14, and the locking screw 14 pushes the locking teeth 16 on the moving block 15 toward the locking groove 13, so that the locking groove 13 and the locking teeth 16 are engaged with each other, so that the position of the insertion rod 11 and the sleeve 3 is fixed, further ensuring that the insertion rod 11 will not move downward, thereby improving the overall stability.

[0027] Furthermore, the second hinge piece 2 is slidably arranged in the adjustment box 20, one side of the adjustment box 20 is open, the adjustment box 20 and the second hinge piece 2 are connected by a fixing screw 21, an adjustment hole is provided on one side of the adjustment box 20, front and rear adjustment screws 22 and left and right adjustment screws 23 are provided in the adjustment box 20, and a plurality of first assembly holes 24 and second assembly holes 25 are respectively provided on the first hinge piece 1 and the adjustment box 20. When working, the operator first assembles the three-dimensional adjustable hinge on the door frame and the door body through the first assembly holes 24 and the second assembly holes 25, and then adjusts the front and rear adjustment screws 22 and left and right adjustment screws 23 on the adjustment box 20 so that the door body and the door frame can be opened and closed normally.

[0028] Working principle: First, the operator assembles the three-dimensional adjustable hinge on the door frame and the door body through the first assembly hole 24 and the second assembly hole 25, and then adjusts the front and rear adjustment screws 22 and the left and right adjustment screws 23 on the adjustment box 20 so that the door body and the door frame can be opened and closed normally; with the passage of time or the influence of external factors, the hinge material may fatigue due to repeated stress, resulting in a decrease in its mechanical properties, which may affect the stability of the adjustment mechanism, causing the door body to tend to fall after being adjusted up and down. When adjusting the height of the door body, the operator uses a screwdriver to turn the adjusting screw 8 to rotate the worm 7, and the worm 7 drives the worm wheel 5 to rotate, and the worm wheel 5 drives the screw 6 to rotate. When the screw 6 rotates, the movable seat 9 moves up and down, and the movable seat 9 drives the top pipe 10 to move up and down, and the top of the top pipe 10 is against the bottom end of the insertion rod 11. , lift the plug rod 11 upward, the plug rod 11 drives the assembly column 4 to rise, so that the door body rises. Since the transmission of the worm 7 and the worm wheel 5 has a self-locking characteristic, that is, the worm wheel 5 can only be driven by the worm 7 to rotate, but the worm wheel 5 cannot drive the worm 7 to rotate. This characteristic can prevent the moving seat 9 from moving downward and causing the door body to drop. At the same time, when the operator operates the rotating worm 7, there is no need to adjust from the bottom end of the hinge, avoiding the problem that the bottom hinge is close to the ground and is difficult to operate, thereby improving the practicality of the three-dimensional adjustable hinge. After the height adjustment is completed, the operator uses a screwdriver to rotate the locking screw 14, and the locking screw 14 pushes the locking tooth 16 on the moving block 15 to the locking groove 13, so that the locking groove 13 and the locking tooth 16 engage with each other, so that the position of the plug rod 11 and the sleeve 3 is fixed, further ensuring that the plug rod 11 will not move downward, thereby improving the overall stability.

[0029] In the description of this specification, the description with reference to the terms "one embodiment", "example", "specific example", etc. means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the utility model. In this specification, the schematic representation of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0030] The above shows and describes the basic principle, main features and advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments, and the above embodiments and descriptions are only for explaining the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, and these changes and improvements fall within the scope of the utility model to be protected.

Claims

1. A three-dimensional adjustable hinge, characterized in that: The invention comprises a first hinge piece (1) and a second hinge piece (2), wherein a sleeve (3) and an assembly column (4) are fixedly arranged on the side edges of the first hinge piece (1) and the second hinge piece (2), respectively; a worm wheel (5) is rotatably arranged at the inner bottom end of the sleeve (3) via a bearing, a screw rod (6) is fixedly arranged at the top end of the worm wheel (5), a limit plate (601) is fixedly arranged at the top end of the screw rod (6), and a worm wheel (7) is rotatably arranged at and penetrates the inner wall of the assembly column (4) near the worm wheel (5) via a bearing. The teeth of the worm (7) mesh with the teeth of the worm wheel (5), the helix angle of the worm (7) is smaller than the equivalent friction angle of the worm transmission system, an adjusting screw (8) is fixedly provided at one end of the worm (7) located outside the assembly column (4), a movable seat (9) is rotatably provided at the threaded part of the screw (6) through a threaded connection, a top pipe (10) is fixedly provided at the top of the movable seat (9), and an insertion rod (11) is fixedly provided at the bottom end of the assembly column (4), and the insertion rod (11) is inserted into the sleeve (3).

2. A three-dimensional adjustable hinge according to claim 1, characterized in that: A groove (12) is provided on one side of the insertion rod (11), and a plurality of locking grooves (13) are provided in the groove (12). A movable groove (301) is provided on the inner wall of one side of the sleeve (3), and a moving block (15) is slidably arranged in the movable groove (301). The sleeve (3) is located at the position of the movable groove (301) and is rotatably connected through a threaded connection and is penetrated by a locking screw (14). One end of the locking screw (14) is rotatably connected to one side of the moving block (15) through a bearing. A plurality of locking teeth (16) are fixedly arranged on one side of the moving block (15), and the locking teeth (16) are engaged with the locking groove (13) to achieve a locking effect.

3. The three-dimensional adjustable hinge according to claim 1, characterized in that: A limiting groove (17) is provided on the inner wall of the sleeve (3), and a limiting block (18) is fixedly provided on the movable seat (9) and the top pipe (10), and the limiting block (18) is slidably inserted into the limiting groove (17).

4. The three-dimensional adjustable hinge according to claim 1, characterized in that: A rubber ring (19) is sleeved between the sleeve (3) and the assembly column (4).

5. The three-dimensional adjustable hinge according to claim 1, characterized in that: The second hinge piece (2) is slidably arranged in the adjustment box (20); one side of the adjustment box (20) is open; the adjustment box (20) and the second hinge piece (2) are connected via a fixing screw (21); an adjustment hole is provided on one side of the adjustment box (20); and front and rear adjustment screws (22) and left and right adjustment screws (23) are arranged in the adjustment box (20).

6. The three-dimensional adjustable hinge according to claim 1, characterized in that: The first hinge piece (1) and the adjustment box (20) are respectively provided with a plurality of first assembly holes (24) and second assembly holes (25).

7. The three-dimensional adjustable hinge according to claim 1, characterized in that: A plurality of scale grooves (26) are provided on one side of the first hinge piece (1).

Images