Diagonal draw bar device for doors and windows

Abstract

The utility model discloses a door and window diagonal draw bar device which comprises a mounting rod, a movable connecting rod is arranged below the mounting rod, a first guide groove is formed in the mounting rod, a pin shaft is arranged in the first guide groove, a rotating connecting rod is arranged on the mounting rod, and a mounting plate is arranged at the other side end of the rotating connecting rod. A shifting block is arranged between the mounting rod and the rotating connecting rod, one end of the shifting block is hinged to the rotating connecting rod, and the middle of the shifting block is connected to the mounting rod through a shaft. A shifting groove is formed in the shifting block, a second guide groove is formed in the mounting rod, a sliding plate is arranged on the mounting rod, the sliding plate and the movable connecting rod are fixed together, a cylindrical block is fixed to the sliding plate, an anti-rotation plane is arranged at the side end of the shifting groove, and a pairing plane matched with the anti-rotation plane is arranged on the cylindrical block. The door and window can be kept fixed when the door and window is suspended upwards or downwards, the door and window cannot shake under the action of air blowing negative pressure outside the door and window, using noise is lowered, the service life of the diagonal draw bar assembly can be prolonged, and the door and window suspension device is worthy of application and popularization.

Description

TECHNICAL FIELD

[0001] The utility model relates to a device, especially a door and window inclined pull rod device. BACKGROUND

[0002] The inclined pull rod assembly on the conventional door and window only plays a pulling role when the door and window are suspended downward or upward, that is, the door and window are opened at an angle, playing a role of slightly opening ventilation and air permeation. When the conventional inclined pull rod assembly is subjected to the blowing of external airflow and generates negative pressure, the door and window will be sucked back or the door and window will be shaken, which not only generates noise, but also affects the normal use of the door and window and accelerates the damage of the inclined pull rod assembly.

[0003] Chinese utility model patent CN 207673165 U discloses an inclined pull rod for door and window. The inclined pull rod comprises a pull rod seat, a straight sliding groove is arranged at the bottom of the pull rod seat along the extension direction of the pull rod seat, a connecting steel sheet is slidably arranged in the straight sliding groove, the left and right ends of the connecting steel sheet are respectively connected with a connecting head and a movable lock seat, an inclined pull rod and a short steel sheet are arranged at the top of the pull rod seat, characterized in that: a first rivet is fixed at the lower rod end of the inclined pull rod, a second rivet is fixed near the lower rod end, an eccentric rivet is fixed near the upper rod end, a long strip-shaped sliding groove is arranged at the top surface of the pull rod seat near the left side end, the first rivet is slidably arranged in the long strip-shaped sliding groove, a wear-resistant pad is arranged above the long strip-shaped sliding groove and slidably contacts with the bottom surface of the inclined pull rod, the wear-resistant pad is fixed on the top surface of the pull rod seat, the wear-resistant pad is provided with a long hole groove corresponding to the long strip-shaped sliding groove, a circular hole groove is arranged at the right side end of the top surface of the pull rod seat, a third rivet is rotatably arranged in the circular hole groove, one end of the short steel sheet is fixedly riveted with the third rivet, and the other end is rotatably arranged on the second rivet; a positioning lug is connected to the left side end surface of the pull rod seat, the positioning lug is movably inserted into a positioning groove, the positioning groove is arranged at the right side end surface of an adjustable locking block, the adjustable locking block is movably adjusted leftward and rightward relative to the pull rod seat, a sliding groove is arranged at the bottom of the adjustable locking block, the connecting steel sheet is movably arranged through the sliding groove, an adjusting screw is rotatably arranged in the adjustable locking block, the adjusting screw is threadedly connected with the pull rod seat, and fixed screws are further arranged at the two sides of the adjustable locking block for fastening after the adjustable locking block is installed. When the inclined pull rod is suspended downward or upward, the door and window will be shaken due to the action of wind, which is not conducive to the normal downward or upward suspension of the door and window. SUMMARY

[0004] The utility model solves the above-mentioned defects of the prior art and provides a door and window inclined pull rod device which can prevent the door and window from being shaken by wind when the door and window are suspended downward or upward, thereby ensuring the stable downward or upward suspension of the door and window and meeting the requirement that the door and window will not be shaken by wind and will not generate noise after being opened.

[0005] The utility model discloses a door and window inclined pull rod device, which comprises a mounting rod installed on a door and window, a moving connecting rod slidably connected to the mounting rod, a first guide slot formed in the mounting rod, a pin shaft movably connected to the first guide slot to prevent the pin shaft from being pulled out of the first guide slot, a rotating connecting rod provided at the side end of the mounting rod, the inner side of the rotating connecting rod being hingedly connected to the pin shaft, and an installation plate connected to the other side end of the rotating connecting rod.

[0006] Further improvement, a connecting block is slidably connected to the second guide slot, and the sliding plate and the moving connecting rod are fixedly connected through the connecting block. The connecting block can make the moving connecting rod drive the sliding plate to move synchronously, and the connecting block is slidably connected to the second guide slot, so that the moving connecting rod can drive the sliding plate to move more stably.

[0007] Further improvement, a limiting groove is formed in the bottom end of the pushing block, and a limiting block is fixedly connected to the moving connecting rod and passes through the second guide slot and is connected to the limiting groove. The limiting groove and the limiting block can further prevent the door and window from being shaken by external air pressure after the door and window are hung down.

[0008] Further improvement, a convex anti-outward pushing block is fixedly connected to the rotating connecting rod, and a limiting recess is formed in the pushing block and connected to the anti-outward pushing block. When the door and window are closed after being hung down, the anti-outward pushing block is connected to the limiting recess, so that the door and window can be prevented from being turned outward to the outside of the window, thereby avoiding the effect of being pushed in the opposite direction.

[0009] Further improvement, the third guide slot is opened on the installation rod, the locking block is fixed on the moving connecting rod and located at the third guide slot, the lock opening is opened on the locking block, the first clamping column matched with the lock opening is fixed on the rotating connecting rod. Here, the functions of the second guide slot, the locking block and the lock opening are that when the door and window are hung downward, the first clamping column is clamped tightly by cooperating with the outer end surface of the lock opening of the locking block, so that the door and window can be completely locked to avoid being opened, and the problem that the door and window is slightly pushed open when the door and window is pushed will not occur.

[0010] Further improvement, the side end of the first clamping column is provided with the second clamping column fixed on the rotating connecting rod, and the first clamping column and the second clamping column are arranged in and out staggered. Here, the functions of the first clamping column and the second clamping column arranged in and out staggered are that when the door and window are in the hung downward state, the first clamping column is clamped tightly by cooperating with the outer end surface of the lock opening of the locking block; when the door and window are in the hung upward state, the second clamping column is clamped tightly by cooperating with the inner end surface of the lock opening of the locking block; such arrangement can meet the demand of locking the door and window regardless of the hung downward or upward state, and the universality will be stronger, and two types of diagonal rods are not needed.

[0011] Further improvement, the upper surface and the lower surface of the moving connecting rod are provided with self-lubricating layers. Here, the function of the self-lubricating layer is that when the moving connecting rod is driven to move by the interlocking mechanism (the turning angle of the door and window), the frictional resistance is small and the noise is small, and the moving connecting rod is easily driven; here, the self-lubricating layer is made of tin bronze material.

[0012] Further improvement, the side end of the rotating connecting rod is provided with the fine adjustment rod, the outer end top surface of the rotating connecting rod is fixed with a pair of oppositely arranged vertical driving blocks, the rotating connecting rod is opened with the fourth guide slot, the shaft rod penetrating through the fourth guide slot is hinged on the fine adjustment rod, the eccentric driving block located between the two vertical driving blocks is fixed on the shaft rod eccentrically, the inner hexagonal groove coaxially arranged with the shaft rod is opened at the top end of the eccentric driving block, the fifth guide slot is opened on the fine adjustment rod, the fine adjustment rod and the rotating connecting rod are riveted at the fifth guide slot through the first rivet, the sixth guide slot is opened on the fine adjustment rod, and the plug block matched with the sixth guide slot is fixed on the rotating connecting rod. Here, the functions of the fine adjustment rod, the vertical driving block, the fourth guide slot, the shaft rod, the eccentric driving block, the fifth guide slot and the first rivet are that the eccentric driving block can be rotated to press the vertical driving block, and then the position of the fine adjustment rod is fine adjusted, so that the door and window frame size is not very accurate, and the position of the fine adjustment rod can be fine adjusted to achieve efficient installation, and the problem that the door and window frame size cannot be installed will not occur; here, the function of the inner hexagonal groove is that sometimes the eccentric driving block cannot be driven and the fine adjustment rod cannot be moved by hand, at this time, the inner hexagonal wrench is inserted into the inner hexagonal groove and rotated, so that the eccentric driving block can be easily rotated; here, the functions of the sixth guide slot and the plug block are that the fine adjustment rod can move in the length direction of the rotating connecting rod, and the fine adjustment rod will not be rotated, so that the moving direction of the fine adjustment rod is accurate.

[0013] Further improvements include an arc-shaped limiting groove on the mounting plate, a connecting plate mounted on the fine-tuning rod, a support plate below the connecting plate, an inner end of the support plate hinged to the side end of the fine-tuning rod, a rotating plate hinged to the outer end of the support plate, the rotating plate hinged to the mounting plate, a limiting post matching the arc-shaped limiting groove fixed at the top of the rotating plate, an eighth guide groove on the fine-tuning rod, and a second rivet installed between the connecting plate and the eighth guide groove. The functions of the arc-shaped limiting groove, connecting plate, support plate, rotating plate, limiting post, eighth guide groove, and second rivet are to adjust the opening angle of the door and window to suit different environments. In environments requiring high ventilation, the preset opening angle can be set larger; in environments requiring less ventilation, the preset opening angle can be set smaller, thus achieving a reasonable opening angle and greater versatility. The method for adjusting the downward-hung opening angle of the door and window is as follows: when the door and window are closed, the limiting post is at the highest position of the arc-shaped limiting groove. When the door and window are hanging downwards, the limiting post is at the lowest position of the arc-shaped limiting groove. After adjusting the position of the connecting plate in the eighth guide groove, it is riveted with the second rivet. The adjustment of the connecting plate's position will push the support plate to rotate, which in turn will adjust the rotating plate, thus adjusting the position of the limiting post at the highest point of the arc-shaped limiting groove. Therefore, when the door and window are hanging downwards, the arc-shaped drop distance of the limiting post in the arc-shaped limiting groove can be adjusted, thereby adjusting the downward-hung opening angle of the door and window to adapt to different usage environments.

[0014] Further improvements include a retainer fixed to the mounting rod, a guide block fixed to the retainer, a seventh guide groove on the moving link that engages with the guide block, and a filler plate between the mounting rod and the moving link to prevent vertical displacement of the moving link. The filler plate is fixed to the mounting rod. A mounting hole is located on the side end of the moving link. The retainer, guide block, seventh guide groove, and filler plate ensure that the moving link is securely mounted on the mounting rod without detaching longitudinally and without wobbling during movement, maintaining stable movement within a specific range. The mounting hole facilitates the installation of the linkage mechanism (door / window steering angle) on doors and windows, allowing for efficient and convenient movement of the moving link. This, in turn, causes the mating plane to disengage from the anti-rotation plane, facilitating unlocking or locking of doors and windows when closed.

[0015] The beneficial effects of this utility model are:

[0016] 1) By using the mounting rod, moving link, first guide groove, pin, rotating link, lever block, lever groove, second guide groove, sliding plate, connecting block, and cylindrical block, the door and window can be supported when suspended, preventing the door and window from tipping over.

[0017] 2) By the anti-rotation plane, the matching plane, the anti-rotation plane on the dial block can be matched with the matching plane on the cylindrical block, so that when the door and window are hung (can be hung on the door and window), the door and window will not be shaken by the negative pressure caused by the wind, and the door and window can always be stable under the action of external wind, not only can reduce the noise, but also can increase the service life of the inclined rod;

[0018] 3) By the fine adjustment rod, the vertical dial block, the fourth guide groove, the shaft, the eccentric dial, the fifth guide groove and the first rivet, the eccentric dial can be rotated, the vertical dial block is pressed, and the position of the fine adjustment rod is fine adjusted, so that the position of the fine adjustment rod is fine adjusted, and the purpose of efficient installation can be achieved by fine adjusting the position of the installation plate in the environment where the size of the door and window frame is not very accurate.

[0019] 4) By the circular arc limiting groove, the connecting plate, the supporting plate, the rotating plate, the limiting column, the eighth guide groove and the second rivet, the opening angle of the door and window can be adjusted, so that different environments can be correspondingly used, and the opening angle can be set to be large in some environments where the ventilation amount is large, and the opening angle can be set to be small in some environments where the ventilation amount is not required to be large, so that the opening angle of the door and window is reasonable, and the universality is higher.

[0020] 5) By the retainer, the guide block, the seventh guide groove and the filler plate, the movable connecting rod can be assembled on the installation rod without longitudinal falling off, and the movable connecting rod can be moved without shaking. BRIEF DESCRIPTION OF DRAWINGS

[0021] Figure 1 The utility model discloses a three-dimensional view of the utility model Figure One ;

[0022] Figure 2 The utility model discloses a three-dimensional view of the utility model from another side Figure Two ;

[0023] Figure 3 The utility model discloses a three-dimensional view of the cylindrical block region in the utility model Figure Three ;

[0024] Figure 4 The utility model discloses a three-dimensional view of the anti-rotation plane matched on the matching plane Figure Four ;

[0025] Figure 5 The utility model discloses a three-dimensional view of the sliding plate region in the utility model Figure Five ;

[0026] Figure 6 The utility model discloses a three-dimensional view of the lock block region in the utility model Figure Six ;

[0027] Figure 7 is the stereogram of the first clamping column and the second clamping column region in the utility model Figure Seven ;

[0028] Figure 8 is the stereogram of the eccentric dial region in the utility model Figure Eight ;

[0029] Figure 9 is the explosion of the eccentric dial region in the utility model Figure One ;

[0030] Figure 10 is the stereogram of the support plate region in the utility model Figure Nine ;

[0031] Figure 11 is the stereogram of the filler plate region in the utility model Figure Ten ;

[0032] Figure 12 is the explosion of the filler plate region in the utility model Figure Two ;

[0033] Figure 13 is the working principle diagram when the utility model is installed on the window frame and the door window and the door window is in the suspended state;

[0034] Figure 14 is the side view working principle diagram when the utility model is installed on the window frame and the door window and the door window is in the suspended state.

[0035] Mark for explanation: mounting rod 1, first guide slot 1-1, second guide slot 1-2, third guide slot 1-3, moving connecting rod 2, self-lubricating layer 2-1, seventh guide slot 2-2, mounting hole 2-3, pin shaft 3, rotating connecting rod 4, vertical poking block 4-3, fourth guide slot 4-4, plug block 4-5, mounting plate 5, circular arc limiting slot 5-1, poking block 6, poking slot 6-1, anti-rotation plane 6-2, limiting clamping groove 6-3, limiting notched 6-4, sliding plate 7, connecting block 7-1, cylindrical block 8, matching plane 8-1, connecting plate 9, support plate 10, rotating plate 11, limiting column 12, rivet 13, limiting clamping block 14, locking block 15, locking opening 15-1, first clamping column 16, second clamping column 17, retainer 18, filler plate 19, fine adjustment rod 20, fifth guide slot 20-1, eighth guide slot 20-3, shaft rod 21, eccentric dial 22, first rivet 23, window frame 24, door window 25. DETAILED DESCRIPTION

[0036] The utility model will be further described below in combination with the drawings:

[0037] Referring to the drawings: the door and window inclined pull rod device, including the installation rod 1 installed on the door and window, the lower portion of the installation rod 1 is provided with the moving connecting rod 2 slidably connected with the installation rod 1, the installation rod 1 is provided with the first guide slot 1-1, the first guide slot 1-1 is movably connected with the pin shaft 3 capable of preventing the pin shaft 3 from being pulled out from the first guide slot 1-1, the side end of the installation rod 1 is provided with the rotating connecting rod 4, the inner side of the rotating connecting rod 4 is hinged to the pin shaft 3, the other side end of the rotating connecting rod 4 is connected with the mounting plate 5; the installation rod 1 and the rotating connecting rod 4 are provided with the pushing block 6, one end of the pushing block 6 is hinged to the rotating connecting rod 4, the middle portion of the pushing block 6 is connected with the installation rod 1 through a shaft; the pushing block 6 is provided with the pushing slot 6-1, the installation rod 1 is provided with the second guide slot 1-2, the installation rod 1 is slidably connected with the sliding plate 7, the sliding plate 7 is fixed with the moving connecting rod 2, the sliding plate 7 is fixed with the cylindrical block 8, the side end of the pushing slot 6-1 is provided with the anti-rotation plane 6-2 opened in the pushing block 6, the cylindrical block 8 is provided with the matched plane 8-1 matched with the anti-rotation plane 6-2.

[0038] The second guide slot 1-2 is provided with the connecting block 7-1 slidably matched with the second guide slot 1-2, the sliding plate 7 and the moving connecting rod 2 are connected and fixed through the connecting block 7-1.

[0039] The bottom end of the pushing block 6 is provided with the limiting clamping slot 6-3, the moving connecting rod 2 is fixed with the limiting clamping block 14 penetrating through the second guide slot 1-2 and matched with the limiting clamping slot 6-2.

[0040] The rotating connecting rod 4 is fixed with the convex anti-outward pushing convex block 4-1, the pushing block 6 is provided with the limiting recess 6-4 matched with the anti-outward pushing convex block 4-1.

[0041] The installation rod 1 is provided with the third guide slot 1-3, the moving connecting rod 2 is fixed with the locking block 15 located at the third guide slot 1-3, the locking block 15 is provided with the locking slot 15-1, the rotating connecting rod 4 is fixed with the first clamping column 16 matched with the locking slot 15-1.

[0042] The side end of the first clamping column 16 is provided with the second clamping column 17 fixed at the rotating connecting rod 4, the first clamping column 16 and the second clamping column 17 are arranged in and out staggered.

[0043] The upper surface and the lower surface of the moving connecting rod 2 are provided with the self-lubricating layer 2-1.

[0044] The side end of the rotating connecting rod 4 is provided with a fine adjustment rod 20, the outer end top surface of the rotating connecting rod 4 is fixed with a pair of oppositely arranged vertical driving blocks 4-3, the rotating connecting rod 4 is provided with a fourth guide slot 4-4, the fine adjustment rod 20 is hingedly provided with a shaft rod 21 penetrating through the fourth guide slot 4-4, the shaft rod 21 is eccentrically fixed with an eccentric driving wheel 22 located between the two vertical driving blocks 4-3, the top end of the eccentric driving wheel 22 is provided with an internal hexagonal groove 22-1 coaxially arranged with the shaft rod 21, the fine adjustment rod 20 is provided with a fifth guide slot 20-1, the fine adjustment rod 20 and the rotating connecting rod 4 are riveted at the fifth guide slot 20-1 by a first rivet 23, the fine adjustment rod 20 is provided with a sixth guide slot 20-2, the rotating connecting rod 4 is fixed with an insertion block 4-5 matched with the sixth guide slot 20-2.

[0045] The mounting plate 5 is provided with a circular arc limiting slot 5-1, the fine adjustment rod 20 is mounted with a connecting plate 9, the lower side of the connecting plate 9 is provided with a supporting plate 10, the inner side end of the supporting plate 10 is hingedly arranged at the side end of the fine adjustment rod 20, the outer side end of the supporting plate 10 is hingedly arranged with a rotating plate 11, the rotating plate 11 is hingedly arranged at the mounting plate 5, the top end of the rotating plate 11 is fixed with a limiting column 12 matched with the circular arc limiting slot 5-1, the fine adjustment rod 20 is provided with an eighth guide slot 20-3, the connecting plate 9 and the eighth guide slot 20-3 are mounted with a second rivet 13.

[0046] The mounting rod 1 is fixed with a retainer 18, the retainer 18 is fixed with a guide block 18-1, the moving connecting rod 2 is provided with a seventh guide slot 2-2 inserted and matched with the guide block 18-1, the mounting rod 1 and the moving connecting rod 2 are provided with a filler plate 19 preventing the moving connecting rod 2 from being upwardly and downwardly deviated, the filler plate 19 is fixed at the mounting rod 1; the side end of the moving connecting rod 2 is provided with a mounting hole 2-3.

[0047] The working principle of this utility model is as follows: When it is necessary to lower the door or window, simply turn the handle on the door or window (not shown in the figure). This opens the door or window through the linkage structure (turning angle). Then, the handle drives the door or window into the lowered state. During the lowering process, the rotating linkage 4 rotates, which in turn drives the lever 6 to rotate. This causes the lever groove 6-1 to rotate at the cylindrical block 8. Finally, the anti-rotation plane 6-2 is pressed tightly against the mating plane 8-1 (the synchronous limiting block 14 is locked at the limiting groove 6-3, further playing a role in attracting and returning the door or window to negative pressure). Thus, the door or window will remain firmly limited even when blown by external wind pressure. Even if the external wind is strong, the resulting strong negative pressure will not cause the door or window to shake, thus preventing damage. The "ringing" noise is generated. When it is necessary to close the door and window, simply rotate the handle, which will drive the moving link 2 through the linkage mechanism, causing the mating plane 8-1 to disengage from the anti-rotation plane 6-2 (the synchronous limit block disengages from the limit slot 6-3). Then, press the handle again, which will allow the rotating link 4 and the toggle block 6 to rotate, thereby applying external force to close the door and window and making the door and window tight. Then, continue to rotate the handle, which will drive the moving link 2 to continue to move, causing the locking block 15 to move, so that the locking mouth 15-1 engages with the first locking post 16, thereby locking the door and window tightly. If the door and window are top-hung, the locking mouth 15-1 on the locking block 15 engages with the second locking post 17, thereby locking the door and window tightly. This utility model is applicable when the door and window are bottom-hung (such as...). Figure 13 , 14 When in the ) state, it can keep the doors and windows fixed and will not shake due to the negative pressure of the air blowing outside the doors and windows. It not only reduces the noise of use, but also increases the service life of the diagonal tie rod assembly, which is worth promoting and applying. This utility model can be used for both bottom-hung and top-hung doors and windows, and has strong versatility.

[0048] Although the present invention has been illustrated and described with reference to preferred embodiments, those skilled in the art should understand that various changes in form and detail are possible within the scope of the claims.

Claims

1. A diagonal pull rod device for doors and windows, comprising a mounting rod (1) mounted on a door or window, characterized in that: The lower part of the mounting rod (1) is provided with a moving connecting rod (2) which is slidably connected to the mounting rod (1), a first guide slot (1-1) is formed in the mounting rod (1), a pin shaft (3) which can prevent being pulled out of the first guide slot (1-1) is movably connected in the first guide slot (1-1), a rotating connecting rod (4) is arranged at the side end of the mounting rod (1), the inner side of the rotating connecting rod (4) is hingedly connected to the pin shaft (3), and an installation plate (5) is connected to the other side end of the rotating connecting rod (4). A pushing block (6) is arranged between the mounting rod (1) and the rotating connecting rod (4), one end of the pushing block (6) is hingedly connected to the rotating connecting rod (4), and the middle part of the pushing block (6) is shaft-connected to the mounting rod (1). A pushing slot (6-1) is formed in the pushing block (6), a second guide slot (1-2) is formed in the mounting rod (1), a sliding plate (7) is slidably connected to the mounting rod (1), the sliding plate (7) is fixedly connected with the moving connecting rod (2), a cylindrical block (8) is fixedly arranged on the sliding plate (7), a rotation-preventing flat surface (6-2) is formed in the pushing block (6) at the side end of the pushing slot (6-1), and a matched flat surface (8-1) is arranged on the cylindrical block (8) and matched with the rotation-preventing flat surface (6-2).

2. A diagonal bracing device for doors and windows according to claim 1, characterized in that: A connecting block (7-1) which is slidably matched with the second guide slot (1-2) is arranged in the second guide slot (1-2), and the sliding plate (7) and the moving connecting rod (2) are fixedly connected through the connecting block (7-1).

3. A diagonal bracing device for doors and windows according to claim 1, characterized in that: A limiting clamping groove (6-3) is formed in the bottom end of the pushing block (6), and a limiting clamping block (14) which passes through the second guide slot (1-2) and is matched with the limiting clamping groove (6-3) is fixedly arranged on the moving connecting rod (2).

4. A diagonal bracing device for doors and windows according to claim 1, characterized in that: A convex anti-outward pushing block (4-1) is fixedly arranged on the rotating connecting rod (4), and a limiting recess (6-4) which is matched with the anti-outward pushing block (4-1) is formed in the pushing block (6).

5. A diagonal bracing device for doors and windows according to claim 1, characterized in that: A third guide slot (1-3) is formed in the mounting rod (1), a locking block (15) which is located at the third guide slot (1-3) is fixedly arranged on the moving connecting rod (2), a locking opening (15-1) is formed in the locking block (15), and a first clamping column (16) which is matched with the locking opening (15-1) is fixedly arranged on the rotating connecting rod (4).

6. A door and window diagonal pull rod device according to claim 5, characterized in that: A second clamping column (17) which is fixedly arranged on the rotating connecting rod (4) is arranged at the side end of the first clamping column (16), and the first clamping column (16) and the second clamping column (17) are arranged in and out of phase. ​ 7. A diagonal bracing device for doors and windows according to claim 1, characterized in that: Self-lubricating layers (2-1) are arranged on the upper surface and the lower surface of the moving connecting rod (2).

8. A diagonal bracing device for doors and windows according to claim 1, characterized in that: The side end of the rotating connecting rod (4) is provided with a fine adjustment rod (20), the top surface of the outer end of the rotating connecting rod (4) is fixed with a pair of oppositely arranged vertical poking blocks (4-3), the rotating connecting rod (4) is provided with a fourth guide slot (4-4), the shaft rod (21) passing through the fourth guide slot (4-4) is hinged to the fine adjustment rod (20), the eccentric poking wheel (22) between the two vertical poking blocks (4-3) is fixed eccentrically on the shaft rod (21), the top end of the eccentric poking wheel (22) is provided with an internal hexagonal groove (22-1) coaxially arranged with the shaft rod (21), the fine adjustment rod (20) is provided with a fifth guide slot (20-1), the fine adjustment rod (20) and the rotating connecting rod (4) are riveted at the fifth guide slot (20-1) by the first rivet (23), the fine adjustment rod (20) is provided with a sixth guide slot (20-2), the rotating connecting rod (4) is fixed with the plug block (4-5) matched with the sixth guide slot (20-2).

9. A door and window diagonal pull rod device according to claim 8, characterized in that: The mounting plate (5) is provided with a circular arc limiting slot (5-1), the connecting plate (9) is mounted on the fine adjustment rod (20), the lower side of the connecting plate (9) is provided with the supporting plate (10), the inner side end of the supporting plate (10) is hinged at the side end of the fine adjustment rod (20), the outer side end of the supporting plate (10) is hinged with the rotating plate (11), the rotating plate (11) is hinged at the mounting plate (5), the top end of the rotating plate (11) is fixed with the limiting column (12) matched with the circular arc limiting slot (5-1), the fine adjustment rod (20) is provided with an eighth guide slot (20-3), the second rivet (13) is mounted between the connecting plate (9) and the eighth guide slot (20-3).

10. A diagonal bracing device for doors and windows according to claim 1, characterized in that: The mounting rod (1) is fixed with the retainer (18), the retainer (18) is fixed with the guide block (18-1), the seventh guide slot (2-2) matched with the guide block (18-1) is opened on the moving connecting rod (2), the filler plate (19) preventing the moving connecting rod (2) from moving up and down is arranged between the mounting rod (1) and the moving connecting rod (2), the filler plate (19) is fixed at the mounting rod (1); the side end of the moving connecting rod (2) is provided with a mounting hole (2-3).

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