Door and window transmission pull rod

Abstract

The utility model discloses a door and window transmission pull rod belonging to door and window accessory technical field, including pull rod body, the one end of pull rod body is equipped with the pivot, and the other end is equipped with the connecting piece, and the middle part of pull rod body is equipped with the lock point subassembly, and the one end of connecting piece is close to pull rod body and is equipped with the connecting hole, and the other end is equipped with the connecting bolt, and the adjusting eccentric bolt is worn with the connecting hole, and pull rod body is equipped with the strip adjusting hole, and the adjusting eccentric bolt and adjusting hole sliding fit, and the rotation of adjusting eccentric bolt promotes the connecting piece reciprocating movement along pull rod body axis direction, and the connecting bolt connection of connecting rod and connecting piece, when the difference exists when the connecting rod end and the connecting bolt position, make the adjusting eccentric bolt along the adjusting hole axial movement through the rotation adjusting eccentric bolt, and then drive the connecting piece along the pull rod body axis square movement, need not to cut the connecting rod many times, and compared with through the rack meshing adjustment mode, through adjusting eccentric bolt can realize the position adjustment of connecting bolt, improved the convenience and adaptability of transmission pull rod.

Description

Technical Field

[0001] This utility model relates to the field of door and window accessories technology, specifically to a door and window transmission rod. Background Technology

[0002] In traditional door and window hardware products, most transmission locking point connecting blocks in the transmission rods are not adjustable. After these products are installed in windows, if the length of the window fitting rod has too large an error during material cutting, or if the worker's offset between the locking seat and the locking point is too large during installation, the locking point and locking seat will not engage properly.

[0003] Chinese utility model patent publication number "CN221194614U" discloses a transmission locking point connecting block, comprising: a connecting seat, with two ends in a first direction being a locking pin end and a transmission end, respectively; the connecting seat having a first rack structure; a locking pin structure installed on the locking pin end; a connecting member slidably connected to the connecting seat in the first direction, the connecting member being installed on the transmission end; the connecting member having a second rack structure; the first rack structure meshing with the second rack structure; and a locking structure, one end of the locking structure being threadedly connected to the connecting seat and the other end abutting against the connecting member; or one end of the locking structure being threadedly connected to the connecting member and the other end abutting against the connecting seat.

[0004] However, the aforementioned transmission locking point connecting block still has the following drawbacks: First, refer to the instruction manual appendix. Figure 1 It is known that the connecting seat achieves the limiting of the connecting member by meshing the first rack mechanism with the second rack structure of the connecting member, and fixes the connecting member on the connecting seat by the locking structure. However, when adjusting, the locking structure needs to be unlocked first and the first rack structure and the second rack structure need to be disengaged before the position of the connecting member relative to the connecting seat can be adjusted, which is inconvenient.

[0005] Secondly, both the first and second rack structures have certain gaps between their racks, which causes some displacement during the adjustment of the connectors, resulting in low adjustment accuracy.

[0006] Therefore, it is necessary to improve upon the aforementioned shortcomings. Utility Model Content

[0007] The purpose of this invention is to provide a door and window transmission rod that is easy to adjust, stable, and has high adjustment accuracy, so as to solve the above-mentioned problems existing in the prior art.

[0008] To achieve the above objectives, the technical solution adopted by this utility model is as follows: a door and window transmission pull rod, including a pull rod body, a pin at one end of the pull rod body and a connector at the other end, and a locking point assembly in the middle of the pull rod body. The connector has a connecting hole at one end near the pull rod body and a connecting bolt at the other end. An adjusting eccentric bolt passes through the connecting hole. A strip-shaped adjusting hole is opened at the end of the pull rod body. One end of the adjusting eccentric bolt abuts against the outer surface of the connector, and the other end passes through the adjusting hole. The adjusting eccentric bolt slides in conjunction with the adjusting hole. Rotation of the adjusting eccentric bolt causes the connector to reciprocate along the axis of the pull rod body.

[0009] By adopting the above technical solution: the connecting rod and the connecting bolt are connected. When there is a difference between the position of the connecting rod end and the connecting bolt, the eccentric bolt is rotated to move the eccentric bolt along the adjusting hole axially, thereby driving the connecting bolt to move squarely along the axis of the tie rod body. There is no need to cut the connecting rod multiple times. Moreover, compared with the method of adjusting by rack and pinion meshing, the position adjustment of the connecting bolt can be achieved by adjusting the eccentric bolt, which improves the convenience and adaptability of the transmission tie rod.

[0010] The aforementioned door and window transmission rod can be further configured such that: an adjustment groove is provided on the side of the rod body opposite to the connecting piece, the adjustment groove is connected to the adjustment hole, an adjustment plate is slidably fitted in the adjustment groove, the adjustment plate is linked with the adjustment eccentric bolt, and the rotation of the adjustment eccentric bolt drives the adjustment plate to reciprocate along the axial direction of the adjustment groove.

[0011] By adopting the above technical solution: the adjusting eccentric bolt passes through the adjusting hole and is riveted to the adjusting plate. At the same time, the adjusting eccentric bolt limits the adjusting plate within the adjusting groove, while the adjusting plate limits the axial movement of the adjusting eccentric bolt to prevent it from falling out of the adjusting hole. Furthermore, the sliding of the adjusting eccentric bolt within the adjusting hole will simultaneously drive the adjusting plate to slide within the adjusting groove, thereby improving the stability of the transmission rod structure.

[0012] The aforementioned door and window transmission rod can be further configured such that: the rod body is provided with an adjusting guide plate along the axial direction, the connecting piece is provided with an adjusting guide groove, and the adjusting guide plate and the adjusting guide groove are slidably engaged.

[0013] By adopting the above technical solution: when the connector is installed with the tie rod body, the adjusting guide plate is set in the adjusting guide groove. When the connector moves relative to the tie rod body, the adjusting guide plate moves along the axial direction of the adjusting guide groove, which can prevent the connector from shaking relative to the tie rod body and improve the stability of the connector's adjustment movement.

[0014] The aforementioned door and window transmission rod can be further configured such that: the connecting member is provided with several sets of limiting blocks, the limiting blocks are linked with the connecting member, and the limiting blocks can abut against the end of the rod body.

[0015] By adopting the above technical solution: when the connector is installed with the tie rod body, by abutting the limit block with the end face of the tie rod body, the connection hole and the adjustment hole can be quickly aligned, so that the adjustment eccentric bolt can be quickly inserted into the connection hole and the adjustment hole. In addition, during the reciprocating movement of the connector, the limit block can contact or separate from the tie rod body, which improves the consistency of the installation of the connector and the tie rod body.

[0016] The aforementioned door and window transmission rod can be further configured as follows: the locking point assembly includes an eccentrically arranged locking bolt and a locking point cap, the locking point cap is sleeved on the outer periphery of the locking bolt and rotates in cooperation with the locking bolt, and the end of the locking bolt is riveted to the rod body.

[0017] By adopting the above technical solution, the locking bolt and the locking seat on the window frame cooperate to realize the locking and opening of the door and window. However, the locking seat is prone to differences in position with the locking bolt during installation, resulting in errors in locking and opening. By setting the bolt body and bolt head eccentrically, and riveting the bolt body to the pull rod body, rotating the locking bolt can drive the locking cap on the outer periphery of the locking bolt to rotate circumferentially around the central axis of the bolt body, thereby adjusting the position of the locking cap relative to the pull rod body, making the cooperation between the locking bolt and the locking seat on the window frame more precise.

[0018] The aforementioned door and window transmission pull rod can be further configured as follows: symmetrical mounting blocks are provided on both sides of the pull rod body, and a damping component is engaged with the pull rod body through the mounting blocks. The edge of the damping component protrudes relative to the pull rod body, and a limit hole is provided in the damping component, with a limit block located in the limit hole.

[0019] By adopting the above technical solution: when the tie rod body is installed on the window sash, in order to facilitate the installation of the tie rod, the groove width is usually larger than the width of the tie rod body. However, during the movement of the tie rod, it is easy to sway, and the opening and closing stability of the window sash is poor. The damping component can contact the inner wall of the groove at both ends, thereby improving the stability of the tie rod body when it moves.

[0020] The aforementioned door and window transmission rod can be further configured such that: the damping element has several deformation holes, and the edge of the damping element extends outward with a limiting protrusion.

[0021] By adopting the above technical solution, the deformation hole improves the elastic deformation capability of the damping component, allowing it to be placed in a smaller space and improving the applicability of the damping component. At the same time, the limiting protrusion is located at the edge of the damping component and can contact the edge of the tie rod body, improving the stability of the engagement between the damping component and the tie rod body.

[0022] The aforementioned door and window transmission rod can be further configured such that: the damping component has several limiting plates on the side near the rod body, the rod body has a limiting protrusion, and the side wall of the limiting plate can abut against the side wall of the limiting protrusion.

[0023] By adopting the above technical solution, when the damping component is snapped onto the tie rod body, the side wall of the limiting plate can abut against the side wall of the limiting protrusion, preventing the damping component from shaking on the connecting seat and improving the stability of the installation of the damping component and the connecting seat.

[0024] The beneficial effects of this utility model are as follows: the position of the connecting parts can be conveniently adjusted by adjusting the eccentric bolt, which can adapt to different installation requirements without cutting the connecting rod. At the same time, the design of the adjusting plate, guide plate, guide groove and limit block effectively prevents shaking, ensures the stability of the connecting parts and the consistency of installation, and improves the locking point matching accuracy by adjusting the eccentric locking bolt. Combined with the damping parts, the overall running stability is enhanced, which significantly improves the adaptability, reliability and service life of the door and window transmission rod.

[0025] The present invention will now be described in further detail with reference to the accompanying drawings and embodiments. Attached Figure Description

[0026] Figure 1 This is a schematic diagram of the overall structure of the door and window transmission rod of this utility model; Figure 2 This is a schematic diagram showing the disassembled door and window transmission rod of this utility model; Figure 3 This is a schematic diagram of the structure of the pull rod body of this utility model; Figure 4 This is a schematic diagram of the structure of the connector of this utility model; Labeling notes: 1. Tie rod body, 11. Adjustment hole, 12. Adjustment groove, 13. Adjustment guide plate, 14. Mounting block, 15. Limiting protrusion, 16. Pin, 2. Connecting piece, 3. Connecting hole, 31. Connecting bolt, 32. Adjusting eccentric bolt, 33. Adjusting guide groove, 34. Limiting block, 35. Locking point assembly, 41. Locking point bolt, 42. Locking point cap, 5. Damping component, 51. Limiting hole, 52. Deformation hole, 53. Limiting protrusion, 54. Limiting plate. Detailed Implementation

[0027] The technical solutions in the embodiments of this utility model will be clearly and completely described below. Obviously, the described embodiments are only some embodiments of this utility model, and not all embodiments. Based on the embodiments of this utility model, all other embodiments obtained by those skilled in the art without creative effort are within the protection scope of this utility model.

[0028] like Figures 1 to 4The illustrated door and window transmission pull rod includes a pull rod body 1. One end of the pull rod body 1 is provided with a pin 2, and the other end is provided with a connector 3. A locking point assembly 4 is provided in the middle of the pull rod body 1. One end of the connector 3 near the pull rod body 1 is provided with a connecting hole 31, and the other end is provided with a connecting bolt 32. An adjusting eccentric bolt 33 passes through the connecting hole 31. A strip-shaped adjusting hole 11 is provided at the end of the pull rod body 1. One end of the adjusting eccentric bolt 33 abuts against the outer surface of the connector 3, and the other end passes through the adjusting hole 11. The adjusting eccentric bolt 33 slides in the adjusting hole 11. The rotation of the adjusting eccentric bolt 33 causes the connector 3 to reciprocate along the axial direction of the pull rod body 1. The connecting rod is connected to the connecting bolt 32 of the connecting member 3. When there is a difference between the position of the end of the connecting rod and the connecting bolt 32, the eccentric bolt 33 is rotated to move axially along the adjusting hole 11, thereby driving the connecting member 3 to move along the axis of the rod body 1. There is no need to cut the connecting rod multiple times. Moreover, compared with the adjustment method by rack and pinion meshing, the position adjustment of the connecting bolt 32 can be achieved by adjusting the eccentric bolt 33, which improves the convenience and adaptability of the transmission rod.

[0029] An adjusting groove 12 is provided on the side of the tie rod body 1 opposite to the connecting piece 3. The adjusting groove 12 is connected to the adjusting hole 11. An adjusting plate 13 is slidably fitted in the adjusting groove 12. The adjusting plate 13 is linked with the adjusting eccentric bolt 33. The rotation of the adjusting eccentric bolt 33 drives the adjusting plate 13 to move back and forth along the axial direction of the adjusting groove 12. The adjusting eccentric bolt 33 passes through the adjusting hole 11 and is riveted to the adjusting plate 13. While the adjusting eccentric bolt 33 confines the adjusting plate 13 within the adjusting groove 12, the adjusting plate 13 also axially limits the adjusting eccentric bolt 33, preventing it from dislodging from the adjusting hole 11. Furthermore, the sliding of the adjusting eccentric bolt 33 within the adjusting hole 11 synchronously drives the adjusting plate 13 to slide within the adjusting groove 12, thus improving the stability of the transmission tie rod structure.

[0030] The tie rod body 1 is provided with an adjusting guide plate 14 along the axial direction, and the connecting member 3 is provided with an adjusting guide groove 34. The adjusting guide plate 14 and the adjusting guide groove 34 are slidably engaged. When the connecting member 3 is installed with the tie rod body 1, the adjusting guide plate 14 is located in the adjusting guide groove 34. When the connecting member 3 moves relative to the tie rod body 1, the adjusting guide plate 14 moves along the axial direction of the adjusting guide groove 34, which can prevent the wobbling of the connecting member 3 relative to the tie rod body 1 and improve the stability of the adjusting movement of the connecting member 3.

[0031] The connector 3 is provided with several sets of limiting blocks 35, which are linked with the connector 3 and can abut against the end of the pull rod body 1. When the connector 3 is installed with the pull rod body 1, by abutting the limiting blocks 35 against the end face of the pull rod body 1, the connecting hole 31 and the adjusting hole 11 can be quickly aligned, thereby allowing the adjusting eccentric bolt 33 to be quickly inserted into the connecting hole 31 and the adjusting hole 11. In addition, during the reciprocating movement of the connector 3, the limiting blocks 35 can contact or separate from the pull rod body 1, improving the consistency of the installation of the connector 3 and the pull rod body 1.

[0032] The locking assembly 4 includes an eccentrically positioned locking bolt 41 and a locking cap 42. The locking cap 42 is fitted around the outer periphery of the locking bolt 41 and rotates in cooperation with it. The end of the locking bolt 41 is riveted to the pull rod body 1. The locking bolt 41 cooperates with the locking seat on the window frame to lock and open the door and window. However, the locking seat is prone to discrepancies in position with the locking bolt 41 during installation, leading to errors in locking and opening. By eccentrically positioning the bolt body and bolt head of the locking bolt 41 and riveting the bolt body to the pull rod body 1, rotating the locking bolt 41 can drive the locking cap 42 around the central axis of the bolt body to rotate circumferentially, thereby adjusting the position of the locking cap 42 relative to the pull rod body 1 and making the cooperation between the locking bolt 41 and the locking seat on the window frame more precise.

[0033] The pull rod body 1 has symmetrical mounting blocks 15 on both sides. The pull rod body 1 is engaged with a damping element 5 through the mounting blocks 15. The edge of the damping element 5 protrudes relative to the pull rod body 1. The damping element 5 has a limiting hole 51, and a limiting block 35 is disposed in the limiting hole 51. When the pull rod body 1 is installed on the window sash, the groove width is usually larger than the width of the pull rod body 1 in order to facilitate the installation of the pull rod. However, during the movement of the pull rod, it is easy to wobble, and the opening and closing stability of the window sash is poor. The two ends of the damping element 5 can contact the inner wall of the groove, thereby improving the stability of the pull rod body 1 when it moves.

[0034] The damping element 5 has several deformation holes 52, and a limiting protrusion 53 extends outward from the edge of the damping element 5. The deformation holes 52 improve the elastic deformation capability of the damping element 5, allowing it to be placed in a smaller space and improving the applicability of the damping element 5. At the same time, the limiting protrusion 53 is located at the edge of the damping element 5 and can contact the edge of the pull rod body 1, improving the stability of the engagement between the damping element 5 and the pull rod body 1.

[0035] The damping component 5 has several limiting plates 54 on the side near the tie rod body 1, and the tie rod body 1 has a limiting protrusion 16. The side wall of the limiting plate 54 can abut against the side wall of the limiting protrusion 16. When the damping component 5 is engaged with the tie rod body 1, the side wall of the limiting plate 54 can abut against the side wall of the limiting protrusion 16, preventing the damping component 5 from shaking on the connecting seat and improving the stability of the installation of the damping component 5 and the connecting seat.

[0036] The working principle of this embodiment is as follows: When there is a difference between the end of the connecting rod and the connecting bolt 32, rotate the adjusting eccentric bolt 33. The adjusting eccentric bolt 33 moves axially along the adjusting hole 11, the adjusting plate 13 moves axially along the adjusting slide 12, and the connecting piece 3 moves axially along the adjusting guide plate 14. Adjust the distance between the connecting bolt 32 and the tie rod body 1, and fix the connecting bolt 32 and the connecting rod.

[0037] Then, the pull rod body 1 is installed inside the window sash, and the side wall of the damping component 5 abuts against the inner wall of the window sash. When there is a deviation between the locking point seat on the window frame and the locking point assembly 4, the locking point bolt 41 is rotated to drive the locking point cap 42 to rotate around the bolt body center axis of the locking point bolt 41, and the locking point cap 42 is adjusted to the position corresponding to the locking point seat, thus completing the locking point adjustment.

[0038] The embodiments described above are merely examples of several implementations of this utility model, and while the descriptions are relatively specific and detailed, they should not be construed as limiting the scope of the utility model patent. It should be noted that those skilled in the art can make various modifications and improvements without departing from the concept of this utility model, and these modifications and improvements all fall within the protection scope of this utility model.

Claims

1. A door and window transmission pull rod, comprising a pull rod body, wherein one end of the pull rod body is provided with a pin and the other end is provided with a connector, and a locking point assembly is provided in the middle of the pull rod body, characterized in that: The connector has a connecting hole at one end near the pull rod body and a connecting bolt at the other end. An adjusting eccentric bolt passes through the connecting hole. A strip-shaped adjusting hole is opened at the end of the pull rod body. One end of the adjusting eccentric bolt abuts against the outer surface of the connector and the other end passes through the adjusting hole. The adjusting eccentric bolt slides in the adjusting hole. Rotation of the adjusting eccentric bolt causes the connector to reciprocate along the axis of the pull rod body.

2. The door and window transmission rod according to claim 1, characterized in that: The pull rod body has an adjustment groove on the side opposite to the connecting piece. The adjustment groove is connected to the adjustment hole. An adjustment plate is slidably fitted in the adjustment groove. The adjustment plate is linked with the adjustment eccentric bolt. The rotation of the adjustment eccentric bolt drives the adjustment plate to move back and forth along the axis of the adjustment groove.

3. The door and window transmission rod according to claim 2, characterized in that: The tie rod body is provided with an adjusting guide plate along the axial direction, and the connecting member is provided with an adjusting guide groove. The adjusting guide plate and the adjusting guide groove are slidably engaged.

4. The door and window transmission rod according to claim 3, characterized in that: The connector is provided with several sets of limiting blocks, which are linked with the connector and can abut against the end of the pull rod body.

5. The door and window transmission rod according to claim 4, characterized in that: The locking point assembly includes an eccentrically positioned locking bolt and a locking point cap. The locking point cap is fitted around the outer periphery of the locking bolt and rotates in cooperation with the locking bolt. The end of the locking bolt is riveted to the pull rod body.

6. The door and window transmission rod according to claim 5, characterized in that: The pull rod body is symmetrically provided with mounting blocks on both sides. The pull rod body is connected to a damping component by the mounting blocks. The edge of the damping component protrudes relative to the pull rod body. The damping component has a limit hole, and the limit block is located in the limit hole.

7. The door and window transmission rod according to claim 6, characterized in that: The damping element has several deformation holes, and the edge of the damping element extends outward with a limiting protrusion.

8. The door and window transmission rod according to claim 7, characterized in that: The damping component has several limiting plates on the side near the tie rod body, and the tie rod body has a limiting protrusion. The side wall of the limiting plate can abut against the side wall of the limiting protrusion.

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