CN217581715U - Swing connecting rod, front locking device, rear locking device and door and window structure - Google Patents
Swing connecting rod, front locking device, rear locking device and door and window structure Download PDFInfo
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- CN217581715U CN217581715U CN202121199870.8U CN202121199870U CN217581715U CN 217581715 U CN217581715 U CN 217581715U CN 202121199870 U CN202121199870 U CN 202121199870U CN 217581715 U CN217581715 U CN 217581715U
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- swing arm
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Abstract
The utility model discloses a swing connecting rod, a front locking device, a rear locking device and a door and window structure, wherein the swing connecting rod comprises a swing arm, a shell, a rotating shaft and a swing arm spring, and one end of the swing arm is rotatably arranged in the shell through a swing arm pin shaft; the rotating shaft is rotatably arranged in the shell; one end of the swing arm spring is fixed to the fixed end of the swing arm, the other end of the swing arm spring is connected to the rotating shaft, and the swing arm spring is in a compression state when being located on a connecting line of the rotating shaft and the swing arm pin shaft. The front locking device comprises a swinging connecting rod and a front locking mechanism; the rear locking device comprises a swinging connecting rod and a rear locking mechanism; the door and window structure comprises door and window sashes, a door and window frame, a front locking device and a rear locking device. The utility model provides an among the device, the swing arm spring is in the expansion state under two states are opened and are closed in the swing arm all the time, ensures to open and close under two states, and the swing arm does not produce the displacement because of reasons such as vibration, external force to guarantee the rigidity stability of casement.
Description
Technical Field
The utility model belongs to furniture hardware fitting structure, specifically speaking are swing connecting rod, preceding locking device, back locking device and door and window structure.
Background
Compared with the common opening and closing type door and window, the sliding door and window has better air tightness and water tightness, and avoids the defects of preventing the door and the window from sagging and deforming, and the like. The patent technology 'parallel open-close top-rotating type sliding door and window' (application number: CN 200520000998.1) provides that an openable door and window sash is installed on a door and window frame through a swing arm mechanism, one end of an upper front swing arm and one end of a rear swing arm are rotatably connected with two corner parts above the openable door and window sash, and the other end of the upper front swing arm and the other end of the upper rear swing arm are slidably installed in a slide way on the door and window frame; one end of the lower front swing arm and one end of the lower rear swing arm are rotatably connected with two corners below the openable door window sash, and the other end of the lower front swing arm and the other end of the lower rear swing arm are slidably arranged in a slide way on the door window frame, so that the effects of full-opening or half-opening push-pull air exchange and the like can be realized when the upper part of the door window sash is screwed out of the frame structure for upper air exchange and the lower part is screwed out again.
Because the door and window fan is opened or is closed under the condition, can be because of vibration when great in the wind, or swing arm displacement takes place easily when other types of external force are great, this structure is the same with traditional swing arm structure, need adopt two swing arms, preceding swing arm and back swing arm provide comparatively firm fixed effect promptly, still can't accomplish firm fixed still.
SUMMERY OF THE UTILITY MODEL
For solving the above defect of prior art, the utility model provides a swing connecting rod structure and locking device with single swing arm. The technical scheme is as follows:
as a first aspect of the present invention, it is an object of the present invention to provide a swing link, including a swing arm, a housing, a rotating shaft, and a swing arm spring, wherein one end of the swing arm is rotatably disposed inside the housing through a swing arm pin shaft, and is a fixed end of the swing arm, and the other end of the swing arm is a free end; the rotating shaft is rotatably arranged in the shell;
one end of the swing arm spring is fixed to the fixed end of the swing arm, the other end of the swing arm spring is connected to the rotating shaft, and the swing arm spring is in a compressed state when located on a connecting line of the rotating shaft and the swing arm pin shaft.
Preferably, the shell is arranged on the window frame, and the free end of the swing arm is connected with the window sash.
Preferably, the connecting line of the rotating shaft and the swing arm pin shaft is parallel to the shell body.
Preferably, in order to avoid the skew of swing arm spring and twist reverse, set up the pendulum shaft between pivot and the swing arm, the swing arm spring housing promotes the joint strength between pivot and the swing arm in the pendulum shaft periphery, the round pin axle construction that swing arm spring and swing arm stiff end are connected is fixed to pendulum shaft one end, and the other end freely passes the pivot, can slide in the pivot axis body.
As another aspect of the present invention, the present invention provides a front locking device, including the swing link, and further including a front locking mechanism, where the front locking mechanism includes a rack block, a locking block, and a first positioning block, the rack block and the locking block are disposed on one side of the housing, and the first positioning block is disposed at the front end of the housing; the rear end of the rack block is arranged on the shell through a first pin shaft; the swing arm fixing end is provided with an arc-shaped rack taking a swing arm pin shaft as a center, and the arc-shaped rack is meshed with teeth on the rack block.
Preferably, a rack block sliding groove is formed in the rear end of the rack block, and when the swing arm swings, the arc-shaped rack drives the rack block to move, so that the first pin shaft slides relative to the rack block along the rack block sliding groove.
Preferably, the front end of the rack block is an arc chamfer, the rear end of the arc chamfer is provided with a concave rack block notch, the locking block is rotatably arranged on the shell, the front end of the locking block is provided with a concave locking block notch, and the side edge of the locking block is provided with a locking block ejector block; the first positioning block is an L-shaped block and comprises a right side baffle, and the bottom surface of the first positioning block is fixed in the upper front of the door and window frame.
Preferably, in the front locking device, the swing link and the housing part of the front locking mechanism are arranged on the door and window frame, and the swing arm of the swing link is connected with the door and window sash.
As a third aspect of the present invention, there is provided a rear locking device, comprising the swing link and the rear locking mechanism; the rear locking mechanism comprises a second positioning block fixed on the upper rear part of the door and window frame, a sliding locking block arranged on the shell, a rear locking spring and a rear locking rod; the second positioning block is vertically suspended and fixed on the door and window frame;
the sliding locking block is an L-shaped block and comprises a right side stop dog, and the right side stop dog of the sliding locking block is positioned behind the second positioning block.
Preferably, the top end of the rear part of the shell is provided with a slide way, the sliding locking block is embedded in the slide way, and the top of the slide way is fixed with a dust guard.
Preferably, the right end of the rear locking spring is fixed at the rear end of the locking device, and the rear locking rod is vertically fixed below the sliding locking block; a round rear locking notch is formed in the fixed end of the swing arm and in the opposite direction of the fixed position of the swing shaft.
As a fourth aspect of the present invention, there is provided a door and window structure including a door sash, a door sash frame, and at least one of a front locking device or a rear locking device.
Compared with the prior art, the beneficial effects of the utility model are that:
in the swing connecting rod and the locking device provided by the utility model, the swing arm spring is always in the expansion state under the two states of opening and closing the swing arm, so as to ensure that the swing arm does not generate displacement due to vibration, external force and other reasons under the two states of opening and closing, thereby ensuring that the position of the window sash is firm and stable;
the utility model provides an among swing connecting rod and locking device, the swing arm can change according to the actual demand with the locking of second locating piece, through the contact position of adjustment swing arm and second locating piece, can realize the arbitrary swing position locking of swing arm. The swing position of the swing arm can be adjusted and locked by adjusting the assembly position of the locking block and the first positioning block.
Drawings
The accompanying drawings, which form a part of the specification, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention without unduly limiting the scope of the invention.
Fig. 1 is a schematic view of the overall structure of a swing link and a locking device provided by the present invention;
fig. 2 is a schematic structural view of the swing link and the locking device provided by the present invention with the housing removed in a closed state;
fig. 3 is a schematic structural view of the swing link and the locking device provided by the present invention with the housing removed in the opened state;
FIG. 4 is a schematic top view of a front locking device according to embodiment 2 showing a rack positioning closed state;
FIG. 5 is a front view of FIG. 4;
FIG. 6 is a schematic top view of a front locking device according to embodiment 2 illustrating a rack of the front locking device in an open position;
FIG. 7 is a front view of FIG. 6;
FIG. 8 is a front view of FIG. 2;
FIG. 9 is a front view of FIG. 3;
FIG. 10 is a schematic view showing a position of a front locking apparatus provided in embodiment 2 in a window and door frame;
fig. 11 is a schematic structural view of a door or window provided in embodiment 5.
The locking mechanism comprises a swing arm 1, a swing arm 2, a shell 3, a bar block 4, a locking block 5, a first positioning block 6, a first pin shaft 7, a second positioning block 7, a sliding locking block 8, a swing arm pin shaft 9, a rotating shaft 10, a dust guard 11, a swing shaft 12, a swing arm spring 13, a rear locking spring 14, a circular arc-shaped rack 15, a rack block sliding groove 16, a locking block notch 17, a locking block top block 18, a rack block notch 19, a swing connecting rod 20 and a front locking mechanism 21, a door and window sash 22, a door and window frame 23, a rear locking notch 24, a rear locking rod 25, a slideway 26, a swing connecting rod and a rear locking mechanism.
Detailed Description
It should be noted that the following detailed description is exemplary and is intended to provide further explanation of the invention. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs.
It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments in accordance with the invention. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.
Example 1: swinging connecting rod
As shown in fig. 1, fig. 2 and fig. 3, the swing arm device comprises a swing arm 1, a housing 2, a rotating shaft 10 and a swing arm spring 13, wherein one end of the swing arm 1 is rotatably arranged in the housing 2 through a swing arm pin shaft 9 and is a fixed end of the swing arm, and the other end of the swing arm 1 is a free end; the rotating shaft 10 is rotatably arranged inside the shell 2;
one end of the swing arm spring 13 is fixed to the fixed end of the swing arm through a pin structure, the other end of the swing arm spring is connected to the rotating shaft 10, and the swing arm spring 13 is in a compression state when being located on a connecting line of the rotating shaft 10 and the swing arm pin shaft 9.
The shell 2 is arranged on the window frame, and the free end of the swing arm 1 is connected with the window sash.
As a typical example, the connection line of the rotating shaft 10 and the swing arm pin 9 is parallel to the shell 2.
As shown in fig. 2, when the door and window sash is in a closed state, the connection between the spring and the fixed end of the swing arm 1 deviates from the connection line between the swing arm pin shaft 9 and the rotating shaft 10 and is positioned at the far end of the swing arm;
open the swing arm swing by the manpower, as shown in fig. 3, when the door and window fan is the open mode, be certain angle between swing arm 1 and the shell 2, swing arm spring 13 is compressed gradually simultaneously, when swing arm spring 13 is located the line of swing arm round pin axle 9 and pivot 10, it is to the shortest to be compressed to produce outer thrust, under manpower and swing arm spring 13's thrust, swing arm 1 continues to open, extend to swing arm spring 13 and open, the angle is the biggest between swing arm 1 and the shell 2 this moment, when the door and window fan is opened completely.
When the door or window sash is to be closed, the process is reversed, and the swing arm spring 13 is compressed and then generates a pushing force to pull the free end of the swing arm 1 toward the housing 2.
In order to avoid the skew of swing arm spring 13 and twist reverse, set up balance staff 12 between pivot 10 and the swing arm 1, swing arm spring 13 overlaps in balance staff 12 periphery, promotes the joint strength between pivot 10 and the swing arm 1, 12 one ends of balance staff are fixed to the pin structure that swing arm spring 13 and swing arm stiff end are connected, and the other end freely passes pivot 10, can slide in the pivot 10 axis body.
The swing connecting rod structure is arranged at the bottom of the door and window. In order to realize the sliding of the swing connecting rod along the door and window frame, the bottom of the housing 2 is provided with a roller as a sliding mechanism, the design of the roller is the conventional technology in the field, and details are not described herein, and reference can be made to a pulley structure in a "vehicle type self-locking door and window sliding mechanism" (application number: CN 200920271720.6).
Example 2: front locking device
Because the fixing action of the spring is unstable, in order to ensure the stability of the door and window sash in the opening and closing state, a locking device is provided.
Comprising the swing link described in embodiment 1.
Also comprises a front locking mechanism.
As shown in fig. 1 and 4, the front locking mechanism includes a rack block 3, a locking block 4 and a first positioning block 5, wherein the rack block 3 and the locking block 4 are arranged on one side of the housing 2, and the first positioning block 5 is arranged at the front end of the housing 2; the rear end of the rack block 3 is arranged on the shell 2 through a first pin shaft 6; the fixed end of the swing arm is provided with a circular arc-shaped rack 15 taking the swing arm pin shaft 9 as the center, and the circular arc-shaped rack 15 is meshed with teeth on the rack block 3; the rear end of the rack block 3 is provided with a rack block sliding groove 16, and when the swing arm 1 swings, the circular arc-shaped rack 15 drives the rack block 3 to move, so that the first pin shaft 6 slides relative to the rack block 3 along the rack block sliding groove 16.
The front end of the rack block 3 is an arc chamfer, the rear end of the arc chamfer is provided with a concave rack block notch 19, the locking block 4 is rotatably arranged on the shell 2 through a pin shaft structure, the front end of the locking block 4 is provided with a concave locking block notch 17, and the side edge of the locking block 4 is provided with a locking block top block 18; the first positioning block 5 is an L-shaped block, and comprises a right side baffle, and the bottom surface of the first positioning block is fixed at the upper front part (or the left side shown in the figure) of the door and window frame.
Fig. 10 shows the installation position of the swing link and the front locking mechanism on the door and window provided by the present invention, the outer shell part of the swing link and the front locking mechanism 20 is arranged on the door and window frame 22, and the swing arm 1 of the swing link is connected with the door and window sash 21.
When closing the door and window, the people pushes the door and window horizontally to the front side shown in fig. 10, the rack block 3 moves forwards to the first positioning block 5, at the moment, the door and window is in an open state, as shown in fig. 6 and 7, the rack block 3 jacks up the locking block 4 through the locking block jacking block 18, then the locking block notch 17 moves to the right baffle of the first positioning block 5, the rack block 3 continues to move forwards, the locking block notch 17 is clamped on the right baffle of the first positioning block 5, the door and window continues to be pushed horizontally and simultaneously pushes the swing arm 1 to the shell 2, the rack block 3 moves backwards under the meshing action of the circular arc rack 15 of the swing arm 1, the locking block jacking block 18 falls into the rack block notch 19, so that the locking effect is achieved, and the state is shown in fig. 4 and 5, and the locking after the window sash is closed is ensured to be firm. When the door and window sash needs to be opened, the swing arm 1 is swung, and meanwhile, the door and window sash is horizontally pushed backwards, so that the locking effect of the first positioning block 5 is relieved.
Example 3: rear locking device
Including the swing link and the rear locking mechanism described in embodiment 1.
As shown in fig. 1, 2, 8 and 9, the rear locking mechanism includes a second positioning block 7 fixed on the upper rear part of the door window frame, a sliding locking block 8 arranged on the housing 2, a rear locking spring 14 and a rear locking rod 24; the second positioning block 7 is vertically suspended and fixed on the door and window frame 22;
the sliding locking block 8 is an L-shaped block and comprises a right-side stop dog, and the right-side stop dog of the sliding locking block 8 is positioned behind the second positioning block 7 or on the right side shown in fig. 1;
the top end of the rear part of the shell 2 is provided with a slide way 25, the sliding locking block 8 is embedded in the slide way 25, and a dust-proof plate 11 is fixed at the top of the slide way 25 to play a role in dust prevention and fixation.
As shown in fig. 8, the right end of the rear locking spring 14 is fixed at the rear end of the locking device, and the rear locking lever 24 is vertically fixed below the sliding locking block 8;
a round rear locking notch 23 is formed in the fixed end of the swing arm 1 in the opposite direction of the fixed position of the swing shaft 12.
The locking of the swing arm and the second positioning block 7 can be changed according to actual requirements, and the locking of any swing position of the swing arm can be realized by adjusting the contact position of the swing arm 1 and the second positioning block 7. The swing position of the swing arm can be adjusted and locked by adjusting the assembly position of the locking block 4 and the first positioning block 5.
As shown in fig. 3 and 9, when the door and window is switched from the open state to the dead lock state, the included angle between the swing arm and the housing 2 is the largest, at this time, the rear locking rod 24 at the bottom of the sliding locking block 8 slides into the circular rear locking notch 23 on the swing arm 1, the swing arm 1 swings towards the housing 2 direction, the circular rear locking notch 23 blocks the rear locking rod 24 to move, so that the rear locking spring 14 is tensioned, the sliding locking block 8 is pulled to move forwards until contacting with the second positioning block 7 and blocking the sliding locking block 8 to move continuously, and at this time, the swing arm 1 is locked to the housing 2. When the swing arm 1 is pulled open, the rear locking rod 24 at the bottom of the sliding locking block 8 slides out from the circular rear locking notch 23 on the swing arm 1, and the rear locking spring 14 pulls back the sliding locking block 8 to release the locking state.
Example 4: front and back locking device
The swing link provided in embodiment 1, the front locking mechanism provided in embodiment 2, and the rear locking mechanism provided in embodiment 3 are included.
Example 5: door and window structure
As shown in fig. 11, it comprises a door sash 21, a door sash frame 22, and a front locking device 20 provided in embodiment 2 and a rear locking device 26 provided in embodiment 3.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. A swing connecting rod is characterized by comprising a swing arm, a shell, a rotating shaft and a swing arm spring, wherein one end of the swing arm is rotatably arranged in the shell through a swing arm pin shaft and is a fixed end of the swing arm, and the other end of the swing arm is a free end; the rotating shaft is rotatably arranged in the shell;
one end of the swing arm spring is fixed to the fixed end of the swing arm, the other end of the swing arm spring is connected to the rotating shaft, and the swing arm spring is in a compressed state when located on a connecting line of the rotating shaft and the swing arm pin shaft.
2. A swing link as claimed in claim 1, wherein the housing is provided on a window frame, and the free end of the swing arm is connected to the sash.
3. The swing link of claim 2, wherein the line connecting the pivot axis and the swing arm pin is parallel to the housing shell.
4. The swing link of claim 3, wherein a swing shaft is disposed between the rotation shaft and the swing arm, the swing arm spring is sleeved on the periphery of the swing shaft, one end of the swing shaft is fixed to the pin structure of the swing arm spring connected to the fixed end of the swing arm, and the other end of the swing shaft freely passes through the rotation shaft.
5. A front locking device, characterized in that, it comprises the swing connecting rod of any one of claims 1 to 3, and also comprises a front locking mechanism, the front locking mechanism comprises a rack block arranged at one side of the shell, a locking block and a first positioning block arranged at the front end of the shell; the rear end of the rack block is arranged on the shell through a first pin shaft; the swing arm fixing end is provided with a circular arc-shaped rack which takes a swing arm pin shaft as a center, and the circular arc-shaped rack is meshed with teeth on the rack block.
6. The front locking device as claimed in claim 5, wherein a rack block sliding groove is formed at the rear end of the rack block, and when the swing arm swings, the circular arc-shaped rack drives the rack block to move, so that the first pin shaft slides along the rack block sliding groove and the rack block relatively.
7. The front locking device according to claim 5, wherein the front end of the rack block is a circular arc chamfer, the rear end of the circular arc chamfer is provided with a concave rack block notch, the locking block is rotatably arranged on the shell, the front end of the locking block is provided with a concave locking block notch, and the side edge of the locking block is provided with a locking block top block; the first positioning block is an L-shaped block and comprises a right side baffle, and the bottom surface of the first positioning block is fixed in the upper front of the door and window frame.
8. A rear locking device, comprising the swing link and the rear locking mechanism of any one of claims 1 to 3; the rear locking mechanism comprises a second positioning block fixed on the upper rear part of the door and window frame, a sliding locking block arranged on the shell, a rear locking spring and a rear locking rod; the second positioning block is vertically suspended and fixed on the door and window frame;
the sliding locking block is an L-shaped block and comprises a right side stop block, and the right side stop block of the sliding locking block is positioned behind the second positioning block;
the top end of the rear part of the shell is provided with a slide way, the sliding locking block is embedded in the slide way, and the top of the slide way is fixedly provided with a dust guard.
9. The rear locking device of claim 8, wherein the right end of the rear locking spring is fixed to the rear end of the locking device, and the rear locking lever is fixed vertically below the sliding locking block; a round rear locking notch is formed in the fixed end of the swing arm and in the opposite direction of the fixed position of the swing shaft.
10. A door and window structure comprising door and window sashes, a door and window frame, and at least one of the front locking device of any one of claims 6 to 7 and the rear locking device of claim 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121199870.8U CN217581715U (en) | 2021-05-31 | 2021-05-31 | Swing connecting rod, front locking device, rear locking device and door and window structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121199870.8U CN217581715U (en) | 2021-05-31 | 2021-05-31 | Swing connecting rod, front locking device, rear locking device and door and window structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217581715U true CN217581715U (en) | 2022-10-14 |
Family
ID=83525203
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121199870.8U Active CN217581715U (en) | 2021-05-31 | 2021-05-31 | Swing connecting rod, front locking device, rear locking device and door and window structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217581715U (en) |
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2021
- 2021-05-31 CN CN202121199870.8U patent/CN217581715U/en active Active
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