CN218668933U - Stopper and flat-open door and window - Google Patents

Abstract

The utility model relates to a stopper and flat-open door and window. The limiter comprises a sash fixing seat, a connecting rod, a sliding part, a damping part and a pushing part, wherein the sash fixing seat is fixedly arranged on the sash, the connecting rod is rotatably arranged on the window frame, the sliding part comprises a sliding rod arranged on the sash fixing seat in a sliding manner, and the sliding rod is rotatably connected with the connecting rod; the damping piece is movably arranged in the fan fixing seat; the pushing piece is connected with the fan fixing seat in a sliding mode and is abutted to the damping piece, so that the pushing piece drives the damping piece to abut against or be far away from the sliding rod in a sliding mode. The utility model has simple structure, the limiter can be installed and used without arranging a slide rail, the slide bar can be installed on the window sash in a sliding way through the window sash fixing seat installed on the window sash, and the slide bar is connected with the connecting rod which is rotationally installed on the window frame in a rotating way to realize the control of the included angle between the window sash and the window frame; and the damping piece is matched with the pushing piece and the sliding piece, so that the window sash can be positioned when the window sash rotates to any angle relative to the window frame.

Description

Stopper and flat-open door and window

Technical Field

The utility model relates to a door and window technical field especially relates to a stopper and flat-open door and window.

Background

In the prior art, the structure forms of the limiting device used on the door and window are various. When the position limiter is used, when a window sash on a window frame is opened or closed, an included angle between the window sash and the window frame is changed, and most of the position limiters can only position the window sash at one angle or a plurality of angles relative to the rotation angle of the window frame; and the structure of stopper is complicated, needs under the supplementary of setting up the slide rail, and the effect that can realize the casement location in the side.

SUMMERY OF THE UTILITY MODEL

Based on this, it is necessary to provide a stopper and flat-open door and window to solve the technical problems that the stopper used on the door and window in the prior art is complex in structure and cannot position the window sash at any angle.

The utility model provides a stopper for flat-open door and window, flat-open window includes casement and window frame, its characterized in that, the stopper includes:

the fan fixing seat is used for being fixedly arranged on the window sash;

a link lever for being rotatably mounted on the window frame;

the sliding piece comprises a sliding rod arranged on the fan fixing seat in a sliding mode, and the sliding rod is rotatably connected with the connecting rod;

the damping piece is movably arranged in the fan fixing seat;

the pushing piece is connected with the fan fixing seat in a sliding mode and is abutted against the damping piece, so that the pushing piece drives the damping piece to abut against or be far away from the sliding rod in a sliding mode.

In one embodiment, a sliding block is arranged at one end of the sliding rod and is used for being arranged on the window sash in a sliding mode, and one end, far away from the window frame, of the connecting rod is connected with the sliding block in a rotating mode.

In one embodiment, the sliding rod is provided with a retainer ring, and the retainer ring is positioned on one side of the fan fixing seat far away from the sliding block.

In one embodiment, a groove is arranged on the surface of the damping piece facing the sliding rod, and the sliding rod part is accommodated in the groove.

In one embodiment, a groove surface of the groove and/or a surface of the slide bar is provided with a stripe structure.

In one embodiment, the fan fixing seat is provided with an accommodating cavity, a through hole and a notch which are respectively communicated with the accommodating cavity, the damping piece is movably accommodated in the accommodating cavity, the pushing piece penetrates through the accommodating cavity through the notch to abut against the damping piece, and the sliding rod penetrates through the accommodating cavity through the through hole and is positioned on one side of the damping piece, which is far away from the pushing piece.

In one embodiment, the surface of the damping piece facing the pushing piece is a first inclined surface, the surface of the pushing piece facing the damping piece is a second inclined surface, and the first inclined surface is in sliding fit with the second inclined surface.

In one embodiment, the pushing member is provided with a first limiting portion and a second limiting portion at intervals, and the first limiting portion and the second limiting portion are respectively located on two sides of the fan fixing seat.

In one embodiment, the stopper further comprises a frame fixing seat, the frame fixing seat is fixedly mounted on the window frame, and one end of the connecting rod, which is far away from the sliding rod, is rotatably connected to the frame fixing seat.

In one embodiment, the casement door and window further comprises a limiting stopper, the limiting stopper is the limiting stopper, the sash fixing seat is fixed on the sash, and the connecting rod is rotatably mounted on the window frame.

On one hand, the limiter is simple in structure, the limiter can be installed and used without arranging a sliding rail, namely, the sliding rod is installed on the window sash in a sliding mode through the window sash fixing seat installed on the window sash, and the sliding rod is rotatably connected with the connecting rod rotatably installed on the window frame to control the included angle between the window sash and the window frame; on the other hand, the damping piece is matched with the pushing piece and the sliding piece, so that the effect that the window sash can be positioned when the window sash rotates to any angle relative to the window frame is achieved. Specifically, the pushing piece slides relative to the fan fixing seat, the damping piece abutted to the pushing piece is driven to move in the fan fixing seat, and the damping piece is close to or far away from the sliding rod. When the damping piece is far away from the sliding rod, the sliding rod can slide relative to the sash fixing seat, so that the included angle between the connecting rod and the window frame and the included angle between the connecting rod and the sliding rod can be changed, the window sash can rotate relative to the window frame, and the window sash is opened or closed; when the damping piece supports and presses the slide bar, the slide bar can not slide relative to the sash fixing seat, and then the included angle between the connecting rod and the window frame and the included angle between the connecting rod and the slide bar can not be changed, so that the window sash can not rotate relative to the window frame, namely the window sash is locked.

According to the casement door and window, the effect that the window sashes can be locked when the window sashes rotate to any angle relative to the window frame is achieved by the aid of the limiting devices arranged on the window frame and the window sashes.

Drawings

Fig. 1 is a schematic structural view of the unlocked position limiter according to the embodiment of the present invention;

fig. 2 is a schematic structural view of the stopper according to the embodiment of the present invention when locked;

fig. 3 is a schematic structural view of a fan fixing seat of the stopper according to an embodiment of the present invention;

fig. 4 is an exploded schematic view of a stopper according to an embodiment of the present invention;

fig. 5 is a schematic structural view of a sliding block of a position limiter according to an embodiment of the present invention;

fig. 6 is a schematic structural view of a frame fixing seat of a stopper according to an embodiment of the present invention.

Description of reference numerals:

1-fan fixing seat; 11-a second mounting portion; 101-a containment chamber; 102-a through hole; 103-notches;

2-a connecting rod; 201-a first connection hole; 202-second connection hole;

21-a first rivet; 211-nail cap; 212-a first shaft portion; 213-a second stem portion; 22-a second rivet;

3-a slide; 31-a slide bar; 311-a retainer ring; 312-an abutment; 313-a limit convex ring; 32-a slider; 321-a stepped hole; 3211-large diameter hole; 3212-small diameter hole; 322-perforating the hole; 323-mounting holes; 324-a first fastener; 325 — a first mounting portion;

4-a damping member; 41-groove; 42-a first bevel;

5-a pusher; 51-a first stop; 52-a second stop; 501-a second inclined plane; 53-a connecting portion; 6-frame fixing seat; 61-a second fastener; 601-a second mounting hole; 602-third connection hole.

Detailed Description

In order to make the above objects, features and advantages of the present invention more comprehensible, embodiments of the present invention are described in detail below with reference to the accompanying drawings. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. The present invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein, as those skilled in the art will be able to make similar modifications without departing from the spirit and scope of the present invention.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", and the like, indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless explicitly defined otherwise.

In the present invention, unless otherwise explicitly specified or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly, e.g., as being fixedly connected, detachably connected, or integrated; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

In the present application, unless expressly stated or limited otherwise, the first feature may be directly on or directly under the second feature or indirectly via intermediate members. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.

It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. As used herein, the terms "vertical," "horizontal," "upper," "lower," "left," "right," and the like are for purposes of illustration only and do not denote a single embodiment.

Combine fig. 1 and fig. 2, fig. 1 shows the utility model discloses a structural schematic diagram when stopper is not locked in the embodiment, fig. 2 shows the utility model discloses a structural schematic diagram when stopper is locked in the embodiment, an embodiment of the utility model provides a door and window flat-open window, wherein, the flat-open window includes window frame, casement and installs the stopper on the flat-open window.

In the traditional technology, the positioning wind brace for positioning the window sash cannot realize the effect that the window sash can be positioned when the window sash rotates to any angle relative to the window frame. And traditional location wind brace is generally from taking the slide rail structure, need utilize the slide rail to support the slip subassembly slip in the wind brace structure, and this not only makes location wind brace structure complicated, and the processing cost is high, and makes the volume of location wind brace great, need reserve great space on the casement and support the installation with the confession location wind.

In some embodiments, the stop comprises a fan fixing base 1, a link 2, a slider 3, a damper 4, and a pushing member 5. Optionally, the sash fixing seat 1 is configured to be fixedly installed on a sash, the connecting rod 2 is configured to be rotatably installed on a window frame, the sliding member 3 includes a sliding rod 31 slidably disposed on the sash fixing seat 1, and the sliding rod 31 is rotatably connected to the connecting rod 2; the damping piece 4 is movably arranged in the fan fixing seat 1; the pushing piece 5 is connected to the fan fixing seat 1 in a sliding manner and is abutted against the damping piece 4, so that the pushing piece 5 drives the damping piece 4 to abut against or be far away from the sliding rod 31 in a sliding manner.

On one hand, the limiter of the embodiment of the application is simple in structure, the limiter can be installed and used without arranging a sliding rail, namely, the sliding rod 31 is slidably installed on the window sash through the window sash fixing seat 1 installed on the window sash, and the sliding rod 31 is rotatably connected with the connecting rod 2 rotatably installed on the window frame to control the included angle between the window sash and the window frame; on the other hand, the damping piece 4 is matched with the pushing piece 5 and the sliding piece 3, so that the effect that the window sash can be positioned when the window sash rotates to any angle relative to the window frame is achieved.

Specifically, the pushing piece 5 slides relative to the fan fixing seat 1, so as to drive the damping piece 4 abutted against the pushing piece 5 to move in the fan fixing seat 1, and the damping piece 4 is close to or far away from the sliding rod 31. Referring to fig. 2, when the damping member 4 is far away from the sliding rod 31, the sliding rod 31 can slide relative to the sash fixing seat 1, so that the included angle between the connecting rod 2 and the window frame and the included angle between the connecting rod 2 and the sliding rod 31 can be changed, and the window sash can rotate relative to the window frame to open or close the window sash; referring to fig. 1, when the damping member 4 presses the sliding rod 31, the sliding rod 31 cannot slide relative to the window frame fixing seat 1, and further, the included angle between the connecting rod 2 and the window frame and the included angle between the connecting rod 2 and the sliding rod 31 cannot be changed, so that the window sash cannot rotate relative to the window frame, that is, the window sash is locked.

The flat-open door and window of this application embodiment utilizes the stopper of installing on window frame and casement, has realized when the casement rotates to arbitrary angle for the window frame, and the casement homoenergetic can be locked the effect.

In some embodiments, one end of the sliding rod 31 is provided with a sliding block 32, the sliding block 32 is configured to be slidably disposed on the window sash, and one end of the connecting rod 2 away from the window frame is rotatably connected to the sliding block 32 through the first rivet 21. The sliding rod 31 is rotatably connected with the connecting rod 2 through a sliding block 32 arranged on the window sash in a sliding mode, so that when the window sash rotates relative to the window frame, the sliding block 32 can play a role in supporting the connecting rod 2 to rotate relative to the sliding rod 31, and can synchronously move relative to the window sash together with the sliding rod 31, and the overall stability of the limiter is improved.

In some embodiments, the position limiter further includes a frame fixing seat 6, the frame fixing seat 6 is configured to be fixedly installed on the window frame, and an end of the link 2 away from the sliding block 32 is rotatably connected to the frame fixing seat 6 through a second rivet 22. Through setting up frame fixing base 6 for rotate firm in connection and stable between connecting rod 2 and the window frame, ensure that connecting rod 2 is enough to support the casement and maintain the open mode at arbitrary angle.

In some embodiments, the slide rod 31 is provided with a retaining ring 311, the retaining ring 311 is located on one side of the fan fixing base 1 away from the slide block 32, i.e. along the axial direction of the slide rod 31, and the retaining ring 311 and the slide block 32 are respectively located on two sides of the fan fixing base 1. The stop ring 311 is arranged on the sliding rod 31, so that the sliding rod 31 is prevented from being separated from the sash fixing seat 1 when sliding on the sash fixing seat 1, and meanwhile, the moving distance of the sliding rod 31 on the sash fixing seat 1 can be limited, namely, along the axial direction of the sliding rod 31, the distance between the stop ring 311 and the sliding block 32 is the maximum moving distance of the sliding rod 31 and the sliding block 32, so that the opening angle of the sash relative to the window frame is within a safe range.

With reference to fig. 2 and 3, fig. 3 is a schematic structural view of a fan fixing seat of a stopper according to an embodiment of the present invention.

In some embodiments, the fan fixing base 1 is provided with an accommodating cavity 101, and a through hole 102 and a notch 103 respectively communicating with the accommodating cavity 101, and the damping member 4 is movably accommodated in the accommodating cavity 101. Notch 103 has been seted up on the front and back lateral wall of fan fixing base 1 respectively, and impeller 5 passes through and holds chamber 101 through notch 103 on the front and back lateral wall of fan fixing base 1 to butt damping piece 4. Through holes 102 are respectively formed in the front side wall and the rear side wall of the fan fixing seat 1, the sliding rod 31 penetrates through the accommodating cavity 101 through the through holes 102 in the front side wall and the rear side wall of the fan fixing seat 1, the damping piece 4 is located on one side, away from the pushing piece 5, of the damping piece 4, and the damping piece 4 abutted to the pushing piece can be driven to move towards or away from the sliding rod 31 when the pushing piece 5 slides. Wherein, the front and back side walls of the fan fixing seat 1 are two side walls which are spaced along the axial direction of the sliding rod 31.

In the above-mentioned structural setting, hold chamber 101 through setting up on fan fixing base 1 and provide holding and mobilizable space for damping piece 4, through set up on fan fixing base 1 and hold through-hole 102 and notch 103 that chamber 101 is linked together for slide bar 31 that the slip passed through-hole 102 and the impeller 4 that the slip passed notch 103 can contradict with damping piece 4 respectively. Therefore, when the window sash cannot rotate relative to the window frame, the damping piece 4 can be driven to abut against the sliding rod 31 by the movement of the pushing piece 4, so that the sliding rod 31 and the hole wall of the through hole 102 are pressed and locked with each other, and the sliding rod 31 cannot slide on the sash fixing seat 1; when the sash window needs to rotate relative to the window frame, the pushing member 4 can also be moved to drive the damping member 4 to separate from the sliding rod 31, so that the sliding rod 31 slides on the sash fixing seat 1.

In some embodiments, the fan fixing base 1 is provided with a second mounting portion 11, and the second mounting portion 11 is provided on left and right side walls of the fan fixing base 1, where the left and right side walls of the fan fixing base 1 are two side walls spaced along the radial direction of the sliding rod. Through the mounting groove cooperation on second installation department 11 and the casement, the realization is with fan fixing base 1 firm mounting on the casement.

In some embodiments, the bottom surface of the fan fixing seat 1 faces the mounting groove on the window sash, the accommodating cavity 101 is communicated to the bottom surface of the fan fixing seat 1, the notch 103 is communicated to the bottom surface of the fan fixing seat 1, and when the pushing member 4 slides in the notch 103 and the accommodating cavity 101, the pushing member 4 can also be supported by the mounting groove on the window sash in a sliding manner.

With reference to fig. 4 and 5, fig. 4 shows an exploded schematic view of an embodiment of the present invention, and fig. 5 shows a schematic view of a sliding block of an embodiment of the present invention.

In some embodiments, the surface of the damping member 4 facing the pushing member 5 is a first inclined surface 42, the surface of the pushing member 5 facing the damping member 4 is a second inclined surface 501, and the first inclined surface 42 is in sliding fit with the second inclined surface 501. The first inclined surface 42 and the second inclined surface 501 form the same angle with the horizontal plane. Through the sliding fit of the first inclined surface 42 and the second inclined surface 501, when the pushing member 5 slides, the second inclined surface 501 on the pushing member can be used to make the damping member 4 perform lifting movement in the accommodating cavity 101, so that the damping member 4 can be pressed against or separated from the sliding rod 31.

In some embodiments, the length of the accommodating chamber 101 in the axial direction of the sliding rod 31 is greater than the length of the damping member 4 in the axial direction of the sliding rod 31, so that the damping member 4 is not bound by the inner wall of the fan fixing base 1, and the resistance of the damping member 4 in moving in the accommodating chamber 101 is reduced.

In some embodiments, the pushing member 5 slides in the same direction as the sliding direction of the sliding rod 31, both along the axis of the sliding rod 31. In the direction of the retainer ring 311 toward the slide block 32, the distance between the second inclined surface 501 and the axis of the slide rod 31 gradually decreases, and the distance between the first inclined surface 42 and the axis of the slide rod 31 gradually decreases. The above structure is arranged, when the pushing member 5 slides towards the sliding block 32 along the axial direction of the sliding rod 31, along the radial direction of the sliding rod 31, the damping member 4 gradually gets away from the sliding rod 31, and then the damping member 4 is changed from a state of abutting against the sliding rod 31 to a state of being separated from the sliding rod 31, and the window sash is changed from a locking state to a rotatable state; when the pushing member 5 slides along the axial direction of the sliding rod 31 away from the sliding block 32, the damping member 4 gradually approaches the sliding rod 31 along the radial direction of the sliding rod 31, and then the damping member 4 is changed from a state of being separated from the sliding rod 31 to a state of being pressed against the sliding rod 31, and the window sash is changed from a rotatable state to a locked state.

In some embodiments, the surface of the damping member 4 facing the sliding rod 31 is provided with a groove 41, the groove 41 is arranged to penetrate along the axial direction of the sliding rod 31, and the sliding rod 31 is partially accommodated in the groove 41. The surface of the damping piece 4 facing the sliding rod 31 is provided with the groove 41, so that the contact area between the damping piece 4 and the sliding rod 31 can be increased when the damping piece 4 and the sliding rod 31 are abutted, the abutting force exerted on the sliding rod 31 by the damping piece 4 is larger, the damping piece 4 is matched with the shape of the sliding rod 31 in shape, the sliding rod 31 and the damping piece 4 can keep a relatively stable state when the damping piece 4 is abutted, and the damping piece 4 is prevented from shaking.

In some embodiments, the groove 41 has a striation structure on the groove surface, or the sliding rod 31 has a striation structure on the surface, or both the groove surface of the groove 41 and the surface of the sliding rod 31 have a striation structure. Stripe structures such as knurls or saw tooth like structures. The friction force between the damping part 4 and the sliding rod 31 can be increased by arranging the stripe structure, so that the sliding rod 31 can be firmly locked on the sash fixing seat 1 when the sash needs to be locked.

In some embodiments, the damping member 4 is elastic, and may be made of rubber or plastic having elasticity.

In some embodiments, the pushing member 5 is provided with a first limiting portion 51 and a second limiting portion 52 at intervals, the first limiting portion 51 and the second limiting portion 52 are respectively located at two sides of the fan fixing seat 1, that is, the distance between the first limiting portion 51 and the second limiting portion 52 is greater than the length of the fan fixing seat 1 in the axial direction of the sliding rod; and the length of the first position-limiting part 51 and the length of the second position-limiting part 52 are both greater than the width of the notch 103 in the radial direction of the slide rod 31.

In the above structure, the first limiting portion 51 and the second limiting portion 52 are matched to limit the pushing member 5 in the axial direction of the sliding rod 31, that is, the sliding distance of the pushing member 5 is the distance between the first limiting portion 51 and the second limiting portion 52, and within this distance range, the damping member 4 can be moved to the position where it is pressed against the sliding rod 31 and the position where it is separated from the sliding rod 31 by the inclination of the second inclined surface 502 of the pushing member 5.

In some embodiments, the pushing element 5 is shaped like a long strip, and the length of the pushing element 5 is greater than the length of the fan fixing seat 1 in the axial direction of the sliding rod 31, so that two ends of the pushing element 5 respectively extend out of the front and rear side walls of the fan fixing seat 1, and the first limiting portion 51 and the second limiting portion 52 are respectively disposed at two ends of the pushing element 5.

In some embodiments, the pushing element 5 is further provided with a connecting portion 53, the connecting portion 53 is connected to a side of the second position-limiting portion 52 away from the first position-limiting portion 51, wherein the second position-limiting portion 52 is located on a side of the fan fixing base 1 away from the sliding block 32. The connecting portion 53 can be used for externally connecting a handle linkage mechanism, so that the limiter can be actuated to drive the pushing piece 5 to slide through a handle arranged on the window sash, and further locking of the window sash is achieved.

In some embodiments, the connecting rod 2 is provided with a first connecting hole 201, and the first connecting hole 201 is used for the first rivet 21 to pass through; the sliding block 32 is provided with a stepped hole 321 for the first rivet 21 to pass through, and an axial direction of the stepped hole 321 is perpendicular to an axial direction of the sliding rod 31. The axial direction of the first rivet 21 is arranged perpendicular to the axial direction of the slide bar 31. The connecting rod 2 is rotatably connected with the sliding block 32 through the first rivet 21, and the connecting rod 2 rotates relative to the sliding block 32 around the direction perpendicular to the sliding rod 31, so that when the sliding rod 31 and the sliding block 32 move, the included angle between the connecting rod 2 and the sliding rod 31 can be adjusted.

In some embodiments, the stepped hole 321 includes a large-diameter hole 3211 and a small-diameter hole 3212 sequentially arranged in the height direction of the sliding block 32, one end of the large-diameter hole 3211 communicates with the bottom surface of the sliding block 32, the other end communicates with one end of the small-diameter hole 3212, and the other end of the small-diameter hole 3212 communicates with the top surface of the sliding block 32. The first rivet 21 has a shank including a first shank portion 212 and a second shank portion 213, and a nut 211 connected to one end of the shank, the second shank portion 213 and the nut 211 being connected to both ends of the first shank portion 212, respectively. The diameter of the nail cap 211 is greater than that of the first rod part 212, the nail cap 211 is accommodated in the large-diameter hole 3211, the first rod part 212 is accommodated in the small-diameter hole 3212, the diameter of the second rod part 213 is smaller than that of the first rod part 212, and the second rod part 213 is inserted into the first connection hole 201 of the connecting rod 2. The first rivet 21 can be restrained in the axial direction of the first rivet 21 by the stepped hole 321 structure cooperating with the first rivet 21.

In some embodiments, the sliding block 32 is provided with a through hole 322 and a mounting hole 323 which are perpendicular to each other and communicate with each other, one end of the through hole 322 is communicated with the side surface of the sliding block 32 facing the fan fixing base 1, one end of the mounting hole 323 is communicated with the through hole 322, and the other end is communicated with the bottom surface of the sliding block 32. One end of the sliding rod 31, which is used for connecting the sliding block 32, is provided with an abutting portion 312, one end of the abutting portion 312, which is away from the sliding rod 31, is provided with a limit convex ring 313, and the abutting portion 312 and the limit convex ring 313 are accommodated in the through hole 322. The width of the abutting portion 312 in the radial direction of the slide bar 31 is smaller than the outer diameter of the slide bar 31 and the outer diameter of the stopper convex ring 313. The first fastening member 324 locked in the mounting hole 323 abuts against the abutting portion 312, so that one end of the sliding rod 31 is locked in the through hole 322, and the sliding block 32 and one end of the sliding rod 31 are connected and fixed.

In some embodiments, the sliding block 32 is provided with a first mounting portion 325, and the sliding block 32 is stably and slidably disposed on the window sash through the first mounting portion 325 and the mounting groove on the window sash.

With reference to fig. 4 and 6, fig. 6 is a schematic structural diagram of a frame fixing seat of a stopper according to an embodiment of the present invention.

In some embodiments, the connecting rod 2 is provided with a second connecting hole 202, the second connecting hole 202 and the first connecting hole 201 are arranged at intervals along the length direction of the connecting rod 2, and the second connecting hole 202 is used for the second rivet 22 to pass through. Be provided with the third connecting hole 602 that is worn to establish in order to supply second rivet 22 on the frame fixing base 6, the axial of second rivet 22 and the mutual parallel arrangement of axial of first rivet 21, rotate connecting rod 2 and frame fixing base 6 through second rivet 22 and be connected, and connecting rod 2 rotates around the relative frame fixing base 6 of the direction of perpendicular to slide bar 31, when realizing that slide bar 31 and sliding block 32 remove, the contained angle between connecting rod 2 and the window frame is adjustable.

In some embodiments, the frame fixing seat 6 is provided with a second mounting hole 601 for the second fastener 61 to pass through, the second fastener 61 is in threaded connection with the window frame, and the frame fixing seat 6 is detachably mounted on the window frame through the second fastener 61.

The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.

The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.

Claims (10)

1. The utility model provides a stopper for flat-open door and window, flat-open door and window includes casement and window frame, its characterized in that, the stopper includes:

the window sash fixing seat (1) is fixedly arranged on a window sash;

a connecting rod (2) for rotatably mounting on the window frame;

the sliding piece (3) comprises a sliding rod (31) arranged on the fan fixing seat (1) in a sliding mode, and the sliding rod (31) is connected with the connecting rod (2) in a rotating mode;

the damping piece (4) is movably arranged in the fan fixing seat (1);

the pushing piece (5) is connected to the fan fixing seat (1) in a sliding mode and is abutted against the damping piece (4), so that the pushing piece (5) drives the damping piece (4) to be abutted against or away from the sliding rod (31) in a sliding mode.

2. The stop according to claim 1, wherein a sliding block (32) is arranged at one end of the sliding rod (31), the sliding block (32) is used for being slidably arranged on the window sash, and one end of the connecting rod (2) far away from the window frame is rotatably connected with the sliding block (32).

3. The limiter according to claim 2, wherein the sliding rod (31) is provided with a retaining ring (311), and the retaining ring (311) is located on a side of the fan fixing seat (1) away from the sliding block (32).

4. Stopper according to claim 1, characterised in that the damping member (4) is provided with a recess (41) on its surface facing the slide rod (31), the slide rod (31) being partially housed in said recess (41).

5. Stopper according to claim 4, characterized in that a striation is provided on the groove face of the groove (41) and/or on the surface of the slide rod (31).

6. The stop according to claim 1, wherein the fan fixing seat (1) is provided with an accommodating cavity (101), and a through hole (102) and a notch (103) which are respectively communicated with the accommodating cavity (101), the damping member (4) is movably accommodated in the accommodating cavity (101), the pushing member (5) penetrates through the accommodating cavity (101) through the notch (103) to abut against the damping member (4), and the sliding rod (31) penetrates through the accommodating cavity (101) through the through hole (102) and is located on one side of the damping member (4) which is far away from the pushing member (5).

7. Stopper according to claim 1, wherein the surface of the damping member (4) facing the pushing member (5) is a first inclined surface (42), the surface of the pushing member (5) facing the damping member (4) is a second inclined surface (501), the first inclined surface (42) and the second inclined surface (501) being in sliding engagement.

8. The limiter according to claim 1, wherein the pushing member (5) is provided with a first limiting portion (51) and a second limiting portion (52) at intervals, and the first limiting portion (51) and the second limiting portion (52) are respectively located at two sides of the fan fixing seat (1).

9. The limiter according to claim 1, further comprising a frame fixing seat (6), wherein the frame fixing seat (6) is used for being fixedly installed on the window frame, and one end of the connecting rod (2) far away from the sliding rod (31) is rotatably connected to the frame fixing seat (6).

10. A casement door and window comprises a window frame and a window sash and is characterized by further comprising a stopper, wherein the stopper is the stopper according to any one of claims 1 to 9, the window sash fixing seat (1) is fixed on the window sash, and the connecting rod (2) is rotatably mounted on the window frame.

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