CN219471867U - Single-point positioning closer - Google Patents

Abstract

The utility model relates to the field of door and window hardware accessories, and particularly discloses a single-point positioning closer which comprises a fixing part arranged on a door frame and a sliding part arranged on a door leaf, wherein door rails are arranged on the fixing part and the sliding part, an arc-shaped positioning groove is formed in the top of the fixing part, a clamping table is fixed on the sliding part, a positioning piece matched with the positioning groove in shape is arranged in the clamping table, a positioning spring abutted to the bottom of the clamping table is arranged on the positioning piece, a screw is arranged at the bottom of the positioning spring, a clamping groove matched with the clamping table in shape is formed in the sliding part, and the opening size of the clamping groove is sequentially reduced from outside to inside; according to the utility model, the number of the positioning pieces and the opening sizes of the positioning grooves and the side clamping grooves of the positioning grooves are reduced, so that the positioning pieces can be more stable when entering the positioning grooves, the positioning pieces are not easy to separate, and the production cost is reduced; and the screw at the bottom of the positioning spring can reduce or strengthen the elastic potential energy of the positioning spring, so that the separation force of the fixed part and the sliding part can be determined according to the use condition.

Description

Single-point positioning closer

Technical Field

The utility model relates to the field of door and window hardware fittings, in particular to a single-point positioning closer suitable for a PD door.

Background

The PD door is a door and window structure which can realize push-pull half-opening and also can realize rotary full-opening, and the closer is an important accessory for blocking the push-pull pulley when the PD door realizes flat-open.

The chinese patent with publication No. CN217581763U, which is filed earlier by the applicant, is a special closer for PD doors, which solves the problem of the height difference between the locking block and the pulley by a spring, but due to the special structure and shape of the locking block, two pulleys are required to be positioned, and the locking block is assembled on the fixing part by using the mounting structure, the structure is complex, the production cost is high, and the stability is poor, so that the applicant improves the structure of the PD door closer in the prior application in order to overcome the above-mentioned drawbacks.

The technical problem to be solved by the application is as follows: how to increase structural stability while reducing the number of pulleys.

Disclosure of Invention

In order to overcome the defects in the prior art, the utility model aims to provide a single-point positioning closer.

The technical scheme adopted by the utility model is as follows: the utility model provides a single-point location closer, including locating the fixed part on the door frame and locating the sliding part on the door leaf, fixed part and sliding part all are equipped with the door rail, and the fixed part top has been seted up and is curved constant head tank, and the sliding part is fixed with the cassette, is equipped with the setting element with constant head tank shape matching in the cassette, and the setting element is equipped with the location spring of butt in the cassette bottom, and the location spring bottom is equipped with the screw, and the draw-in groove with cassette shape matching has still been seted up to the sliding part, and the opening size of draw-in groove reduces in proper order from outer to interior.

The positioning groove and the positioning piece are respectively provided with one, when the positioning piece enters from the opening of the clamping groove, the positioning piece is extruded by the upper wall and the lower wall of the clamping groove to gradually move downwards until the positioning piece moves to the position right below the positioning groove, at the moment, the positioning spring recovers elastic deformation and extrudes the positioning piece to move upwards until the positioning piece enters into the positioning groove, at the moment, the fixing part and the sliding part cannot move under the condition of not receiving external force, so that the door leaf cannot be automatically separated from the door frame, and when the screw is screwed upwards, the positioning spring can be shortened, so that the elastic potential energy of the positioning piece is enhanced, the force for separating between the fixing part and the sliding part is correspondingly increased, otherwise, when the screw is screwed downwards, the positioning spring is prolonged, so that the elastic potential energy of the positioning piece is weakened, and the force for separating between the fixing part and the sliding part is correspondingly reduced.

In some embodiments, a limiting piece which is elastically matched with the fixing part is arranged in the fixing part, an impact block is fixed on one side of the limiting piece, which is close to the clamping table, and the sliding part is provided with an extrusion piece which is arranged in the clamping groove; when the sliding part moves towards the direction of the fixed part, the extrusion piece pushes the impact block to enable the limiting piece to gradually separate from the door rail, at the moment, the door leaf can move in the door rail, the door leaf can be switched to a push-pull state, and when the fixed part is separated from the sliding part, the limiting piece resets and reenters the door rail, so that the door leaf cannot move in the door rail, and the door leaf is switched to a flat-open state.

In some embodiments, the limiting piece is provided with a limiting spring installed in the fixing part, and a sliding rod which is in sliding fit with the limiting piece and sleeved in the limiting spring is also arranged in the limiting piece; the arrangement of the sliding rod ensures that the limiting piece cannot deflect sideways when moving left and right, and ensures the stability of the limiting piece when moving.

In some embodiments, a mounting block with a trapezoid side surface is fixed on one side of the sliding rod away from the limiting piece, and a mounting groove matched with the mounting block in shape is formed in the fixing part; the mounting block and the mounting groove are detachably arranged, so that the limiting piece can be taken down and can be flexibly mounted again after being cleaned, replaced or maintained.

In some embodiments, the limiting piece is provided with a convex groove, and a convex block embedded in the convex groove is fixed at the side wall of the fixing part, which is contacted with the limiting piece; the convex grooves and the convex blocks are arranged, so that the moving direction of the limiting piece is further limited.

In some embodiments, the fixed part and the sliding part are sequentially provided with a quasi block and a quasi groove, and the quasi block is abutted against the outer wall of the quasi groove; when the alignment block is fully entered into the alignment groove, it is illustrated that the fixed and sliding portions have been aligned and mounted in place.

In some embodiments, screw holes are formed in the bottoms of the screws; the screw can be flexibly adjusted through the screw hole.

In some embodiments, the fixing part is externally connected with a cover plate through a screw rod, and the cover plate is contacted with the outer wall of the limiting piece; the cover plate protects the limiting piece, prevents dust fall, and simultaneously prevents the limiting piece from shifting when moving.

The utility model has the following technical effects: by reducing the number of the positioning pieces and the opening sizes of the positioning grooves and the side clamping grooves of the positioning pieces, the positioning pieces can be more stable when entering the positioning grooves, the positioning pieces cannot be separated easily, the production cost is reduced, and meanwhile, the structural stability of the positioning pieces is enhanced; and the screw at the bottom of the positioning spring can reduce or strengthen the elastic potential energy of the positioning spring, so that the separation force of the fixed part and the sliding part can be determined according to the use condition.

Drawings

FIG. 1 is a schematic view of an assembly structure of a fixed part and a sliding part of the present utility model;

FIG. 2 is a schematic perspective view of a sliding part according to the present utility model;

FIG. 3 is a schematic view of a three-dimensional structure of the fixing portion and the inner limiting member thereof after being retracted;

FIG. 4 is a schematic view of the structure of the present utility model shown in FIG. 3 at a partially enlarged scale;

FIG. 5 is a second schematic view of the three-dimensional structure of the fixing portion and the inner limiting member of the present utility model after being retracted;

FIG. 6 is a third perspective view of the fixing portion and the inner limiting member of the present utility model after being retracted;

FIG. 7 is a schematic view showing a three-dimensional structure of the fixing portion and the inner limiting member thereof after being retracted;

FIG. 8 is a schematic view of a three-dimensional structure of the fixing portion and the inner limiting member thereof after being ejected;

fig. 9 is a schematic diagram of a second three-dimensional structure of the fixing portion and the inner limiting member of the present utility model after being ejected.

In the figure: 1. a fixing part; 2. a sliding part; 3. a door rail; 4. a quasi-groove; 5. extruding the sheet; 6. a positioning groove; 7. a clamping groove; 8. a clamping table; 9. a positioning piece; 10. a positioning spring; 11. a limiting piece; 12. an impact block; 13. a quasi-block; 14. a bump; 15. a convex groove; 16. a screw hole; 17. a cover plate; 18. a mounting block; 19. a limit spring; 20. a screw; 21. a slide bar; 22. and a mounting groove.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1, the present utility model provides a technical solution: the utility model provides a single-point location closer, is including locating fixed part 1 on the door frame and locating the sliding part 2 on the door leaf, and fixed part 1 and sliding part 2's bottom all is equipped with door rail 3, can supply the pulley on the door leaf to pass in the door rail 3.

Referring to fig. 2, 3, 5 and 7, the fixing portion 1 and the sliding portion 2 are sequentially provided with a clamping groove 7 and a clamping table 8, the outer bottom of the clamping table 8 is in contact with the inner bottom of the clamping groove 7, meanwhile, a positioning piece 9 is arranged in the clamping table 8, the positioning piece 9 is provided with a positioning spring 10 abutting against the bottom of the clamping table 8, the top of the fixing portion 1 is provided with an arc-shaped positioning groove 6, the right side of the positioning groove 6 is provided with a slope surface which is sequentially lifted from left to right, when the positioning piece 9 moves from right to left, the positioning piece 9 is firstly abutted against the top position of the slope surface, in the process of gradually moving left, the positioning piece 9 is gradually pressed down by the slope surface, the positioning spring 10 is also compressed until the positioning piece moves to the leftmost side of the slope surface, and then moves to the position right below the positioning groove 6, at this time, the positioning spring 10 recovers elastic deformation, and extrudes the positioning piece 9 to move upwards until the positioning piece enters the positioning groove 6, at this time, the fixing portion 1 and the sliding portion 2 do not move under the condition of not being subjected to external force, and the door leaf is not automatically separated from the door frame;

the bottom of the positioning spring 10 is provided with a screw 20, the bottom of the screw 20 is provided with a screw hole 16, when the screw 20 is screwed up, the positioning spring 10 can be shortened, so that the elastic potential energy of the positioning spring is enhanced, the force for separating the fixed part 1 from the sliding part 2 is correspondingly increased, otherwise, when the screw 20 is screwed down, the positioning spring 10 can be lengthened, so that the elastic potential energy of the positioning spring is weakened, and the force for separating the fixed part 1 from the sliding part 2 is correspondingly reduced;

the fixed part 1 is internally provided with the limiting piece 11, the limiting piece 11 is provided with the limiting spring 19 which is arranged in the fixed part 1, the limiting piece 11 is internally provided with the sliding rod 21 which is in sliding fit with the limiting piece and sleeved in the limiting spring 19, one side of the limiting piece 11, which is close to the clamping table 8, is fixedly provided with the impact block 12, the sliding part 2 is provided with the extrusion piece 5 which is arranged in the clamping groove 7, when the sliding part 2 moves towards the direction of the fixed part 1, the extrusion piece 5 pushes the impact block 12 to gradually separate the limiting piece 11 from the door rail 3, at the moment, the door leaf can move in the door rail 3, the door leaf can be switched to a push-pull state, the sliding rod 21 is arranged, the limiting piece 11 can not deflect sideways when moving leftwards and rightwards, and the stability of the limiting piece 11 when moving is ensured;

the side, far away from the limiting piece 11, of the sliding rod 21 is fixedly provided with a mounting block 18 with a trapezoid side surface, the fixing part 1 is provided with a mounting groove 22 matched with the mounting block 18 in shape, and the mounting block 18 and the mounting groove 22 are detachably arranged, so that the limiting piece 11 can be taken down and can be flexibly mounted again after being cleaned, replaced or maintained;

the fixed part 1 and the sliding part 2 are sequentially provided with a quasi-block 13 and a quasi-groove 4, wherein the quasi-block 13 is abutted against the outer wall of the quasi-groove 4, and when the quasi-block 13 completely enters the quasi-groove 4, the fixed part 1 and the sliding part 2 are aligned and installed in place.

Referring to fig. 4 and 6, the limiting member 11 is provided with a convex groove 15, a bump 14 embedded in the convex groove 15 is fixed at the side wall of the fixing portion 1 contacting with the limiting member 11, and the movement direction of the limiting member 11 is further limited due to the arrangement of the convex groove 15 and the bump 14;

the fixed part 1 is connected with a cover plate 17 through a screw, the cover plate 17 contacts with the outer wall of the limiting piece 11, the cover plate 17 protects the limiting piece 11 to prevent dust fall, and meanwhile, the limiting piece 11 is prevented from shifting when moving.

Referring to fig. 8 and 9, when the fixed portion 1 is separated from the sliding portion 2, the limiting member 11 is reset under the action of the limiting spring 19 to re-enter the door rail 3, so that the door leaves cannot move in the door rail 3 due to blocking of the limiting member 11, and mutual movement among the door leaves in a flat-open state is avoided.

Finally, it should be noted that the foregoing description is only a preferred embodiment of the present utility model, and the present utility model is not limited to the foregoing embodiments, but may be modified or substituted for some of the features described in the foregoing embodiments. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.

Claims (8)

1. The utility model provides a single-point location closer, includes fixed part (1) on locating the door frame and locates sliding part (2) on the door leaf, fixed part (1) and sliding part (2) all are equipped with door rail (3), a serial communication port, fixed part (1) top has been seted up and is curved constant head tank (6), sliding part (2) are fixed with cassette (8), be equipped with in cassette (8) with constant head tank (6) shape matched setting element (9), setting element (9) are equipped with positioning spring (10) of butt in cassette (8) bottom, positioning spring (10) bottom is equipped with screw (20), clamping groove (7) with cassette (8) shape matched are still seted up to sliding part (2), the opening size of clamping groove (7) reduces in proper order from outside to inside.

2. The single-point positioning closer according to claim 1, wherein a limiting piece (11) which is elastically matched with the fixed part (1) is arranged in the fixed part, an impact block (12) is fixed on one side, close to the clamping table (8), of the limiting piece (11), and the sliding part (2) is provided with an extrusion piece (5) which is arranged in the clamping groove (7).

3. The single-point positioning closer according to claim 2, wherein the limiting piece (11) is provided with a limiting spring (19) installed in the fixed part (1), and the limiting piece (11) is also provided with a sliding rod (21) which is in sliding fit with the limiting piece and sleeved in the limiting spring (19).

4. A single-point positioning closer according to claim 3, wherein a mounting block (18) with a trapezoid side surface is fixed on one side of the sliding rod (21) away from the limiting piece (11), and a mounting groove (22) matched with the mounting block (18) in shape is formed in the fixing portion (1).

5. The single-point positioning closer according to claim 2, wherein the limiting piece (11) is provided with a convex groove (15), and a convex block (14) embedded in the convex groove (15) is fixed at the side wall where the fixing part (1) is contacted with the limiting piece (11).

6. The single-point positioning closer according to claim 1, wherein the fixed part (1) and the sliding part (2) are sequentially provided with a quasi-block (13) and a quasi-groove (4), and the quasi-block (13) is abutted against the outer wall of the quasi-groove (4).

7. The single point positioning closer as claimed in claim 1, wherein the screw (20) has a screw hole (16) formed in the bottom thereof.

8. The single-point positioning closer according to claim 1, wherein a cover plate (17) is connected to the outside of the fixing part (1) through a screw, and the cover plate (17) is in contact with the outer wall of the limiting piece (11).