CN215859613U - Door stop device and door closer - Google Patents

Abstract

The utility model belongs to the technical field of door closers, and particularly relates to a door stop device and a door closer. The door stopping device comprises a sliding block component connected with an external sliding groove in a sliding mode and a positioning component fixedly connected with the external sliding groove, wherein the positioning component comprises a positioning block, a support and an elastic piece; the sliding block component comprises a hook, the hook is hooked and connected with the front end of the support when the sliding block component slides to a preset position, and a convex arc-shaped surface is arranged at the matching position of the hook and the support. The door stop device and the door closer can reduce the noise when the sliding block is locked or unlocked with the positioning piece.

Description

Door stop device and door closer

Technical Field

The utility model belongs to the technical field of door closers, and particularly relates to a door stop device and a door closer.

Background

The door closer is a spring-like hydraulic press arranged on the door head, can be released after being compressed after the door is opened, and can automatically close the door, and the function of the door closer is similar to that of a spring door, so that the door can be accurately and timely closed to an initial position after being opened.

The door stop device is a device provided in a door closer, for positioning and stopping a door that acts on the door closer, and generally includes a slider and a positioning member, and when the slider slides to a predetermined position in an external sliding groove, the door is stopped.

In the use process of the door stopping device, the slider and the positioning piece are locked or unlocked, and great noise is generated.

SUMMERY OF THE UTILITY MODEL

The utility model provides a door stopping device and a door closer, aiming to reduce the noise when a sliding block is locked with or separated from a positioning piece.

The door stopping device comprises a sliding block component connected with an external sliding chute in a sliding mode and a positioning component fixedly connected with the sliding chute, wherein the positioning component comprises a positioning block, a support and an elastic piece; the sliding block component comprises a hook, the hook is hooked and connected with the front end of the support when the sliding block component slides to a preset position, and a convex arc-shaped surface is arranged at the matching position of the hook and the support.

Further, the arcwall face includes first convex arc face and the convex arc face of second that sets gradually along the length direction of outside spout, smooth transition between first convex arc face and the convex arc face of second, and the camber of first convex arc face is greater than the camber of the convex arc face of second, and first convex arc face is at first contacted with the support when couple and support hook are connected.

Furthermore, a notch for hooking the support is further arranged at the matching position of the hook and the support, an inclined plane is arranged on the notch to be connected with the arc-shaped surface, and the support slides out of the notch along the inclined plane when being disconnected with the hook.

Further, be provided with the constant head tank in the locating piece, the support stretches into in the constant head tank and is articulated with the locating piece, and the elastic component includes cushion and spring, and cushion and spring setting are in the constant head tank and lie in the top and the below of support respectively, receive the support of spring when the support downswing, receive the buffering of cushion when the upswing.

Furthermore, a positioning bolt and a positioning nut in the vertical direction are arranged in the positioning groove, the positioning nut is arranged at the bottom of the positioning groove, the positioning bolt penetrates through the top of the positioning groove and the support to be in threaded connection with the positioning nut, the elastic pad and the spring are sleeved on the positioning bolt in a penetrating mode, and the connection length of the positioning bolt and the positioning nut is adjusted to adjust the pre-tightening force of the elastic piece.

Further, the support includes preceding cantilever, the body frame body and back cantilever, and the front end of preceding cantilever is provided with the gyro wheel, and the couple is connected with the gyro wheel hook, is provided with the thru hole that is used for passing positioning bolt on the body frame body, and the upper portion and the cushion top of the body frame body lean on, and the lower part leans on with the spring top, and the back cantilever is articulated with the locating piece.

Furthermore, the positioning nut is in an inverted T shape, and the lower end of the spring is abutted against the positioning nut.

Further, the sliding block assembly further comprises a sliding block body, a connecting device hinged with the external support arm is arranged on the sliding block body, and the hook is arranged on one side, adjacent to the support, of the sliding block body.

The utility model also provides a door closer, which comprises a door closer main body, a support arm, a sliding chute and the door stopping device, wherein the door closer main body is hinged with the first end of the support arm, and the second end of the support arm is hinged with the sliding block component; the door closer main body is arranged on the door, and the sliding groove is arranged on the door frame; or the door closer main body is arranged on the door frame, and the sliding groove is arranged on the door.

Furthermore, the spout is the C-shaped groove, and the notch is provided with the spacing edge that stretches out relatively, and sliding block set's top corresponds and is provided with the step, and the top of locating piece corresponds and is provided with the step.

Compared with the prior art, the door stopping device is provided with the positioning assembly which comprises the positioning block, the elastic piece and the support hinged with the positioning block, when the hook of the sliding block assembly is hooked with or separated from the support, the elastic piece can support and buffer the support, and the impact force generated when the support is hooked with or separated from the hook is reduced, so that the noise is reduced; the arc-shaped surface of evagination is arranged at the matching position of the hook and the support, so that the arc-shaped surface is more stable and smooth when being hooked with the support or being separated from the hook, the impact force when the hook is connected or separated from the hook is further reduced, and the noise is reduced.

Drawings

Fig. 1 is a schematic structural view of a door closer according to an embodiment of the present invention, in which a door stop device according to an embodiment of the present invention is also shown;

fig. 2 is a sectional view a-a of the door stopping device of the embodiment of the present invention shown in fig. 1, in which a state where a hook is not hooked to a bracket is shown;

fig. 3 is a sectional view a-a of the door stopping device of the embodiment of the present invention shown in fig. 1, in which a state where a hook is hooked to a bracket is shown.

Detailed Description

For a better understanding of the objects, structure and function of the utility model, the door stop and door closer of the present invention will be described in further detail with reference to the accompanying drawings.

Fig. 1 to 3 show a structure of a door stop device 100 according to an embodiment of the present invention, which includes a slider assembly 2 slidably connected to an external chute 1, and a positioning assembly 3 fixedly connected to the external chute 1, wherein the positioning assembly 3 includes a positioning block 31, a bracket 32, and an elastic member 33, a rear end of the bracket 32 is hinged to the positioning block 31 and can swing up and down, and the elastic member 33 supports and cushions the bracket 32 during the swing; the slider component 2 comprises a hook 21, the hook 21 is hooked and connected with the front end of the support 32 when the slider component 2 slides to a preset position, and a convex arc-shaped surface 22 is arranged at the matching position of the hook 21 and the support 32.

When the door stopping device 100 of the embodiment of the utility model is used, in the door opening process that the sliding block component 2 slides towards the positioning component 3 in the external sliding chute 1: the arc-shaped surface 22 of the hook 21 contacts with the bracket 32 of the positioning component 3 and applies a downward pressing force to the bracket 32 to enable the bracket 32 to swing downwards, when the bracket 32 swings downwards around the positioning block 31, the elastic piece 33 buffers the bracket 32, and when the sliding block 21 slides to a preset position, the hook 21 is hooked and connected with the front end of the bracket 32 (at this time, a door closer provided with a door stopping device 100 opens a door to the preset position and fixes the door to the position); in the door closing process that the sliding block component 2 slides away from the positioning component 3 in the external sliding groove 1: the arc surface 22 of the hook 21 is separated from the support 32 of the positioning assembly 3 (i.e. the slider assembly 2 is separated from the positioning assembly 3), the downward pressing force of the arc surface 22 on the support 32 disappears, the support 32 swings upward to the original position (at this time, the door closer provided with the door stop device 100 can rotate the door to the closed position), and when the support 32 swings upward around the positioning block 31, the elastic member 33 supports and buffers the support 32.

According to the door stopping device 100 provided by the embodiment of the utility model, the positioning assembly 3 comprises the positioning block 31, the elastic piece 33 and the support 32 hinged with the positioning block 31, when the hook 21 of the sliding block assembly 2 is hooked with or separated from the support 32, the elastic piece 33 can support or buffer the support 32, and the impact force generated when the support 32 is hooked with or separated from the hook 21 is reduced, so that the noise is reduced; set up the arcwall face 22 of evagination through the cooperation position with support 32 at couple 21 for arcwall face 22 is more stable and level and smooth when with support 32 hook or break away from the hook, further reduces the impact force when both hooks are connected or break away from the hook, thereby noise reduction.

As shown in fig. 2, the arc surface 22 may include a first convex arc surface 25 and a second convex arc surface 26 sequentially arranged along the length direction B of the external chute 1, the first convex arc surface 25 and the second convex arc surface 26 are in smooth transition, the curvature of the first convex arc surface 25 is greater than that of the second convex arc surface 26, and the first convex arc surface 25 is firstly contacted with the bracket when the hook 21 is hooked with the bracket 32. Through this setting for support 32 is at first contacting the great first convex cambered surface 25 of camber with arcwall face 22 hook in-process, and support 32 is from the state that does not contact with arcwall face 22 to the state that contacts with arcwall face 22, and it is great to strike this moment, then slides to the second convex cambered surface 26 of great camber, and the second convex cambered surface 26 of less camber provides more gentle contact surface for support 32, and this structure can reduce impact force between the two rationally. The unhooking process is opposite to the hooking process described above, and is not described herein again.

The "first arc-shaped surface 25" mentioned in the embodiment of the present invention may also be understood as a portion hooked and connected to the bracket 32 in the prior art, and on this basis, the embodiment of the present invention may extend the length of the arc-shaped surface 22 by additionally providing the second arc-shaped surface 26, so as to further reduce the impact force when the bracket 32 is hooked and connected to or disconnected from the arc-shaped surface 22, and further reduce noise.

As shown in fig. 2, the matching position of the hook 21 and the bracket 32 can be further provided with a notch 23 for hooking the bracket 32, the notch 23 can be provided with a slope to be connected with the arc-shaped surface 22, and the bracket 32 slides out of the notch 23 along the slope when being disconnected with the hook 21. Through the setting, make support 32 can not roll off notch 23 under no exogenic action and make the hook of support 32 and arcwall face 22 inefficacy after sliding to in the notch 23 along arcwall face 22, simultaneously, still make support 32 can roll off notch 23 smoothly under the exogenic action.

As shown in fig. 2, the positioning slot 311 may be disposed in the positioning block 31, the bracket 32 may be inserted into the positioning slot 311 to be hinged to the positioning block 31, the elastic member 33 may include an elastic pad 331 and a spring 332, the elastic pad 331 and the spring 332 may be disposed in the positioning slot 311 and respectively located above and below the bracket 32, and the bracket 32 may be supported by the spring 332 when swinging downward and buffered by the elastic pad 331 when swinging upward. By arranging the elastic pad 331 and the spring 332 in the positioning groove 311 and above and below the bracket 32, respectively, the upward swing of the bracket 32 can be buffered in the swing process around the positioning block 31, and the downward swing can be supported, that is, the impact force and noise of the door stop device 100 are all smaller.

Preferably, the elastic pad 331 may be provided as a rubber pad or the like having elasticity.

As shown in fig. 2 or fig. 3, a positioning bolt 312 and a positioning nut 313 in a vertical direction may be disposed in the positioning slot 311, the positioning nut 313 may be disposed at the bottom of the positioning slot 311, the positioning bolt 312 may pass through the top of the positioning slot 311 and the bracket 32 to be in threaded connection with the positioning nut 313, the elastic pad 331 and the spring 332 may be sleeved on the positioning bolt 312, and the pretightening force of the elastic element 33 may be adjusted by adjusting the connection length of the positioning bolt 312 and the positioning nut 313. Through the arrangement, the positioning bolt 312 and the positioning nut 313 can adjust the pretightening force of the elastic piece 33 in a mode of adjusting the connection length of the bracket 32 and the elastic piece 33 when the bracket and the elastic piece 33 are connected, and the structure is compact and reasonable. The term "pretension" is understood here to mean the spring force of the spring element 33 in the non-pivoted state of the support 32. The larger the pre-tightening force, the larger the force for locking the hitch.

Referring to fig. 1 and 2, the bracket 32 may include a front suspension arm 321, a main frame 322, and a rear suspension arm 323, the front end of the front suspension arm 321 may be provided with a roller 324, the hook 21 may be hooked to the roller 324, the main frame 322 may be provided with a through hole 325 (as shown in fig. 1) for passing through the positioning bolt 312, the upper portion of the main frame 322 may be abutted against the elastic pad 331, the lower portion may be abutted against the spring 332, and the rear suspension arm 323 may be hinged to the positioning block 31. Through this setting for locating component 3 is compacter, and the integrated effect is better under the prerequisite of realizing corresponding function after each part of locating component 3 is connected.

Preferably, as shown in fig. 2, the positioning nut 313 may have an inverted T-shape, and the lower end of the spring 332 may abut against the positioning nut 313. Through this setting for set nut 313 can hide the bottom in outside spout 1, and is more pleasing to the eye, and set nut 313's major diameter edge can provide the butt face for the lower extreme of spring 332 simultaneously.

Referring to fig. 1 and 2, the slider assembly 2 may further include a slider body 24, the slider body 24 may be provided with a connecting device (not shown) hinged to the outer arm 5, and the hook 21 may be provided on a side of the slider body 24 adjacent to the bracket 32. With this arrangement, the slider assembly 2 can be coupled to the outer arm 5. The "connecting means" referred to herein may be provided as a rivet, a bolt, etc., and is not particularly limited thereto.

In the above technical solution, when the door stopping device 100 according to the embodiment of the present invention is used, in the door opening process in which the slider assembly 2 slides toward the positioning assembly 3 in the external chute 1: when the sliding block 21 slides to a preset position, the roller 324 of the bracket 32 can slide into the notch 23 of the hook 21, the bracket 32 swings up and returns under the action of the elastic piece 33, the elastic pad 331 buffers the bracket 32, the notch 23 of the hook 21, the bracket 32, the spring 332 and the elastic pad 331 act together to fix the roller 324 in the notch 23, and at the moment, the door closer provided with the door stopping device 100 opens the door to the preset position and fixes the door to the position; in the door closing process that the sliding block component 2 slides away from the positioning component 3 in the external sliding groove 1: under the action of external force for closing the door, the roller 324 of the bracket 32 slides out of the notch 23 of the hook 21 along the inclined surface of the notch 23, i.e. the slider assembly 2 is unhooked from the positioning assembly 3, and the door closer provided with the door stop device 100 can rotate the door to the closed position.

As shown in fig. 1, the embodiment of the present invention further provides a door closer 200, which includes a door closer body 4, a supporting arm 5, a sliding chute 1 and the above-mentioned door stopping device 100, wherein the door closer body 4 can be hinged to a first end of the supporting arm 5, and a second end of the supporting arm 5 can be hinged to a slider assembly 2; the door closer main body 4 can be arranged on a door, and the sliding groove 1 is arranged on a door frame; or the door closer body 4 may be provided on the door frame and the chute 1 on the door. It should be understood that the chute 1 of the door closer 200 is the "outer chute 1" of the above-described door stop device 100.

When the door closer 200 of the embodiment of the utility model opens the door, the support arm 5 rotates and drives the sliding block assembly 2 to slide towards the positioning assembly 3 in the sliding chute 1, finally, the hook 21 of the sliding block assembly 2 is hooked and connected with the roller 324 of the positioning assembly 3, and the door is opened to a preset angle and fixed at the position; when the door is closed, the external force acts on the door to enable the hook 21 of the sliding block assembly 2 and the roller 324 of the positioning assembly 3 to be separated from the hook, the sliding block assembly 2 separated from the hook slides in the sliding groove 1 towards the direction far away from the positioning assembly 3, the support arm 5 is driven to rotate, the door is enabled to rotate towards the direction close to the door frame, and finally the door is closed.

The door closer 200 according to the embodiment of the present invention is provided with the above-described door stop device 100, and thus, the impact force when the bracket 32 is hooked to or unhooked from the hook 21 can be reduced, thereby reducing the noise of the door stop device 100.

Preferably, as shown in fig. 1 and 2, the sliding chute 1 may be a C-shaped groove, the notch may be provided with a relatively protruding limiting edge 11, the top of the slider assembly 2 may be correspondingly provided with a step (not shown), and the top of the positioning block 31 may be correspondingly provided with a step (not shown). Through the arrangement, the sliding block component 2 can be limited in the external sliding chute 1 by the limiting edge 11 when sliding along the external sliding chute 1, so that the sliding block component 2 is prevented from being separated from the external sliding chute 1 under the action of external force; the positioning block 31 can be further fixed at a predetermined position in the external chute 1 by a step correspondingly arranged at the top of the positioning block 31.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the utility model has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention, and they should be construed as being included in the following claims and description. In particular, the technical features mentioned in the embodiments can be combined in any way as long as there is no structural conflict. It is intended that the utility model not be limited to the particular embodiments disclosed, but that the utility model will include all embodiments falling within the scope of the appended claims.

Claims (10)

1. The door stopping device is characterized by comprising a sliding block component in sliding connection with an external sliding groove and a positioning component fixedly connected with the external sliding groove, wherein the positioning component comprises a positioning block, a support and an elastic piece; the sliding block component comprises a hook, the hook is connected with the front end of the support in a hooking mode when the sliding block component slides to a preset position, and a convex arc-shaped surface is arranged at the matching position of the hook and the support.

2. The door stop device according to claim 1, wherein the arc surface includes a first arc surface and a second arc surface which are sequentially arranged in a length direction of the outer sliding groove, the first arc surface and the second arc surface smoothly transition, a curvature of the first arc surface is larger than a curvature of the second arc surface, and the first arc surface first contacts the bracket when the hook is hooked to the bracket.

3. The door stop device according to claim 1, wherein the engagement position of the hook and the bracket is further provided with a notch for hooking the bracket, the notch is provided with a slope connected with the arc-shaped surface, and the bracket slides out of the notch along the slope when being disconnected from the hook.

4. The door stop device according to claim 1, wherein a positioning groove is provided in the positioning block, the bracket extends into the positioning groove and is hinged to the positioning block, the elastic member includes an elastic pad and a spring, the elastic pad and the spring are provided in the positioning groove and are respectively located above and below the bracket, and the bracket is supported by the spring when swinging downward and is buffered by the elastic pad when swinging upward.

5. The door stop device according to claim 4, wherein a positioning bolt and a positioning nut are vertically arranged in the positioning groove, the positioning nut is arranged at the bottom of the positioning groove, the positioning bolt passes through the top of the positioning groove and the bracket is in threaded connection with the positioning nut, the elastic pad and the spring are sleeved on the positioning bolt, and the pretightening force of the elastic piece can be adjusted by adjusting the connection length of the positioning bolt and the positioning nut.

6. The door stop device according to claim 5, wherein the bracket includes a front suspension arm, a main frame body, and a rear suspension arm, the front end of the front suspension arm is provided with a roller, the hook is hooked to the roller, the main frame body is provided with a through hole for passing through the positioning bolt, the upper portion of the main frame body abuts against the elastic pad, the lower portion of the main frame body abuts against the spring, and the rear suspension arm is hinged to the positioning block.

7. The door stop device as recited in claim 5, wherein the positioning nut is in the shape of an inverted T, and the lower end of the spring abuts against the positioning nut.

8. The door stop device as recited in claim 1, wherein the slider assembly further comprises a slider body provided with a connecting means for hinging with the outer arm, the hook being provided on a side of the slider body adjacent to the bracket.

9. A door closer comprising a door closer body, a support arm, a chute, and the door stop device of any of claims 1-8, the door closer body being hinged to a first end of the support arm, a second end of the support arm being hinged to the slider assembly;

the door closer main body is arranged on the door, and the sliding groove is arranged on the door frame; or the door closer main body is arranged on the door frame, and the sliding groove is arranged on the door.

10. The door closer of claim 9, wherein the sliding groove is a C-shaped groove, the notch is provided with a relatively extending limiting edge, the top of the sliding block assembly is correspondingly provided with a step, and the top of the positioning block is correspondingly provided with a step.

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