CN211342282U

CN211342282U - Guide rail positioning door closer

Info

Publication number: CN211342282U
Application number: CN201921849359.0U
Authority: CN
Inventors: 章国银; 黄少祥; 周伟
Original assignee: Zhejiang Dunhaosi Hardware Ind Co ltd
Current assignee: Zhejiang Dunhaosi Hardware Ind Co ltd
Priority date: 2019-10-30
Filing date: 2019-10-30
Publication date: 2020-08-25
Anticipated expiration: 2029-10-30

Abstract

The utility model relates to a door closer technical field discloses a guide rail location door closer, including door closer body (1) and rocking arm (2) of being connected with door closer body (1), rocking arm (2) include rocking arm pole (3) and guide rail (4), be equipped with slider (5) of horizontal slip in guide rail (4), be equipped with steel ball seat (6) of being connected with slider (5) in slider (5), the outer end of steel ball seat (6) is connected with the one end of rocking arm pole (3), the outer end of slider (5) is equipped with end cover (7), through-hole (8) have been seted up at the middle part of end cover (7), end cover (7) and steel ball seat (6) threaded connection, still be equipped with first holding screw (9) in steel ball seat (6) and establish steel ball (10) below first holding screw (9), still be equipped with spring leaf (11) with steel ball (10) looks adaptation in guide rail (4). The utility model discloses a steel ball offsets with the spring leaf to fix a position the slider in the guide rail, convenient control.

Description

Guide rail positioning door closer

Technical Field

The utility model relates to a door closer technical field especially relates to a guide rail location door closer.

Background

Modern door closers differ from conventional door closers in that they achieve a cushioning effect by throttling the liquid in the door closer. The core of the design idea of the hydraulic door closer is to realize the control of the door closing process, so that various functional indexes of the door closing process can be adjusted according to the requirements of people. The door closer has the significance of not only automatically closing the door, but also protecting the door frame and the door body (stably closing), and more importantly, the door closer becomes the modern building intelligence.

Traditional slip subassembly and locking Assembly often can make a sound at the complex in-process, only the gyro wheel drives the motion of gyro wheel frame at the complex process simultaneously, and the trip can not move, and the power that so location needs is just big, to sum up: conventional slide assemblies and locking assemblies also have drawbacks. For example, the Chinese utility model patent (application number: 201620103115.8) discloses a rocker guide device of a door closer, which comprises a guide rail arranged on a door frame and a rocker connected with the guide rail, wherein the guide rail is provided with a stop seat, a stop support fixedly connected with the stop seat and a stop hook matched with the stop support, one end of the stop support is fixedly connected with the stop seat through a rivet, both sides of the stop seat are provided with stop plates of an integrated structure with the stop seat, the stop hook slides on the guide rail, the other end of the stop support is provided with a stop roller, the end part of the stop hook is provided with a trapezoidal table, the middle part of the stop support is provided with a stop block, and a rubber gasket is arranged between the stop plate and the stop block. The structure location is inconvenient among the above-mentioned patent, and can not select the position of location at will, and it is inconvenient to use.

Disclosure of Invention

The utility model discloses to the shortcoming that the location is inconvenient among the prior art, application scope is little, provide a guide rail location door closer that the location is convenient, application scope is big.

In order to solve the technical problem, the utility model discloses a following technical scheme can solve:

the utility model provides a guide rail location door closer, including door closer body and the rocking arm of this body coupling of door closer, the rocking arm includes rocking arm pole and guide rail, be equipped with the gliding slider of side to side in the guide rail, be equipped with the steel ball seat of being connected with the slider in the slider, the outer end of steel ball seat is connected with the one end of rocking arm pole, the outer end of slider is equipped with the end cover, the through-hole has been seted up at the middle part of end cover, end cover and steel ball seat threaded connection, still be equipped with first holding screw in the steel ball seat and establish the steel ball in first holding screw below, still be equipped with the spring leaf. The sliding block slides in the guide rail and is abutted against the spring piece through the steel ball, so that the sliding block is positioned in the guide rail, and the door stop angle of the fireproof door is controlled; the through hole is formed in the middle of the end cover, so that the position of the first fastening screw is conveniently adjusted by the aid of the screw cutter penetrating through the through hole, the inner position and the outer position of the steel ball in the guide rail are conveniently adjusted, pressure of the compression spring piece is controlled, force required when the fireproof door is stopped is adjusted, and application range of the technology is enlarged.

Preferably, the middle part of the lower end of the first set screw is provided with an opening matched with the steel ball, and the outer end of the steel ball is tangent to the inner side wall of the opening. The opening is conical, and the steel ball is positioned through the opening of the first set screw, so that the steel ball is embedded in the opening when stressed, and the stability of the steel ball in positioning is improved.

Preferably, the spring piece comprises an elastic part and a fixed part, the elastic part is arranged on the inner side of the steel ball and is abutted against the steel ball, a second set screw for compressing the fixed part is arranged in the guide rail, and the fixed part is arranged at the inner end of the second set screw. The elastic part is used for cooperating with the steel ball, conveniently stops the operation of a location to preventing fire door, and the fixed part compresses tightly on the inside wall of guide rail through the second holding screw, when the steel ball extrusion is received to the spring leaf, guarantees the stability of spring leaf position.

Preferably, a positioning block is arranged in the guide rail, the second set screw penetrates through the positioning block, a groove is formed in the inner end portion of the left side of the positioning block, a fixing block bent outwards is arranged at the left end portion of the fixing portion, and the fixing block is inserted into the groove. The locating piece passes through the fixed block and drives the fixed part through the recess cooperation and slide at the guide rail, and the position of adjustment spring leaf in the guide rail, when the locating piece removed to suitable position, the second holding screw of screwing again fixes fixed part and locating piece, conveniently prevents the regulation of fire door angle of opening to the stop position promptly.

Preferably, the outer wall of the steel ball seat is provided with an outer convex ring and an inner convex ring, the rocker arm rod is sleeved outside the outer convex ring, a rocker arm bearing is arranged between the rocker arm rod and the steel ball seat, a mounting groove is formed in the sliding block, and the inner convex ring is arranged in the mounting groove. The outer convex ring positions the installation position of the rocker arm rod, prevents the rocker arm rod from shifting in the rotating process, clamps the rocker arm rod in the installation groove, enables the steel ball seat and the sliding block to be clamped with each other, and improves the connection strength and connection stability of the steel ball seat and the sliding block.

The utility model discloses owing to adopted above technical scheme, have apparent technological effect: the slider slides in the guide rail, offsets through steel ball and spring leaf, thereby fix a position the slider in the guide rail, thereby the angle of stopping of preventing fire door is controlled, set up the through-hole in the middle part of end cover and conveniently pass the through-hole to the screwdriver and adjust the position that first tight set screw carried out, conveniently adjust the inside and outside position of steel ball in the guide rail, the pressure that the control compressed spring piece, required dynamics when stopping with this regulation fire door has increased the application scope of this technique.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a schematic structural view of the rocker arm.

Fig. 3 is a partially enlarged schematic view of the M portion in fig. 2.

Fig. 4 is a partially enlarged schematic view of the portion N in fig. 2.

The names of the parts indicated by the numerical references in the drawings are as follows: the door closer comprises a door closer body 1, a rocker arm 2, a rocker arm 3, a rocker arm rod 4, a guide rail 5, a sliding block 6, a steel ball seat 7, an end cover 8, a through hole 9, a first set screw 9, a steel ball 10, a spring piece 11, an opening 12, an elastic part 13, a fixing part 14, a second set screw 15, a positioning block 16, a groove 17, a fixing block 18, a convex ring 19, an inner convex ring 20, a rocker arm bearing 21, a mounting groove 22 and a cushion pad 23.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and examples.

Example 1

The utility model provides a guide rail location door closer, as shown in fig. 1 to 4, including door closer body 1 and the rocking arm 2 of being connected with door closer body 1, rocking arm 2 includes rocking arm pole 3 and guide rail 4, be equipped with slider 5 that slides from side to side in guide rail 4 in the guide rail 4, be equipped with the steel ball seat 6 of being connected with slider 5 in the slider 5, the outer end of steel ball seat 6 is connected with the one end of rocking arm pole 3, the outer end of slider 5 is equipped with end cover 7, through-hole 8 has been seted up at the middle part of end cover 7, end cover 7 and steel ball seat 6 threaded connection, still be equipped with first holding screw 9 in the steel ball seat 6 and establish steel ball 10 below first holding screw 9, still be equipped with the spring leaf 11 with steel ball 10 looks adaptation in the. The sliding block 5 slides in the guide rail 4 and is abutted against the spring piece 11 through the steel ball 10, so that the sliding block 5 is positioned in the guide rail 4, and the door stop angle of the fireproof door is controlled; the through hole 8 is formed in the middle of the end cover 8, so that the position of the first set screw 9 can be adjusted by the aid of the screwdriver penetrating through the through hole 8, the inner position and the outer position of the steel ball 10 in the guide rail 4 can be adjusted conveniently, pressure of the compression spring piece 11 is controlled, force required when the fireproof door is stopped is adjusted, and application range of the technology is widened.

An opening 12 matched with the steel ball 10 is formed in the middle of the lower end of the first set screw 9, and the outer end of the steel ball 10 is tangent to the inner side wall of the opening 12. The opening 12 is conical, and the steel ball 10 is positioned through the opening 12 of the first set screw 9, so that the steel ball 10 is embedded in the opening 12 when stressed, and the stability of the steel ball 10 in positioning is improved. The spring piece 11 comprises an elastic part 13 and a fixed part 14, the elastic part 13 is arranged on the inner side of the steel ball 10 and is abutted against the steel ball 10, a second set screw 15 for compressing the fixed part 14 is arranged in the guide rail 4, and the fixed part 14 is arranged at the inner end of the second set screw 15. Elastic component 13 is used for cooperating with steel ball 10, conveniently stops the operation of a location to preventing fire door, and fixed part 14 compresses tightly on the inside wall of guide rail 4 through second holding screw 15, receives the steel ball 10 extrusion at spring leaf 11, guarantees the stability in spring leaf 11 position.

Example 2

As shown in fig. 1 to 4, on the basis of embodiment 1, a positioning block 16 is arranged in a guide rail 4, a second set screw 15 is arranged in the positioning block 16 in a penetrating manner, a groove 17 is formed in the inner end portion of the left side of the positioning block 16, a fixing block 18 which is bent outwards is arranged at the left end portion of a fixing portion 14, and the fixing block 18 is inserted in the groove 17. The right side of locating piece 16 is equipped with the blotter 23 of being connected with locating piece 16 to this collision of avoiding locating piece 16 and slider 5 causes spare part to damage, improve the life of product, locating piece 16 passes through fixed block 18 and the recess 17 cooperation drives fixed part 14 and slides at guide rail 4, the position of adjustment spring leaf 11 in guide rail 4, when locating piece 16 moves to suitable position, the second holding screw 15 of screwing again is fixed part 14 and locating piece 16, the convenient regulation of preventing fire door opening angle to the stop door position promptly.

Example 3

A guide rail positioning door closer is disclosed, as shown in fig. 1 to 4, on the basis of embodiment 2, an outer convex ring 19 and an inner convex ring 20 are arranged on the outer wall of a steel ball seat 6, a rocker arm rod 3 is sleeved outside the outer convex ring 19, a rocker arm bearing 21 is arranged between the rocker arm rod 3 and the steel ball seat 6, a mounting groove 22 is arranged in a sliding block 5, and the inner convex ring 20 is arranged in the mounting groove 22. The outer convex ring 19 positions the installation position of the rocker arm rod 3, prevents the rocker arm rod 3 from shifting in the rotating process, clamps the rocker arm rod 3 in the installation groove 22, enables the steel ball seat 6 and the sliding block 5 to be clamped with each other, and improves the connection strength and the connection stability of the steel ball seat 6 and the sliding block 5.

In short, the above description is only a preferred embodiment of the present invention, and all the equivalent changes and modifications made in accordance with the claims of the present invention should be covered by the scope of the present invention.

Claims

1. The utility model provides a guide rail location door closer, includes door closer body (1) and rocking arm (2) of being connected with door closer body (1), its characterized in that: the rocker arm (2) comprises a rocker arm rod (3) and a guide rail (4), a slide block (5) which slides left and right in the guide rail (4) is arranged in the guide rail (4), a steel ball seat (6) connected with the slide block (5) is arranged in the slide block (5), the outer end of the steel ball seat (6) is connected with one end of the rocker arm rod (3), an end cover (7) is arranged at the outer end of the slide block (5), a through hole (8) is formed in the middle of the end cover (7), the end cover (7) is in threaded connection with the steel ball seat (6), a first set screw (9) and a steel ball (10) arranged below the first set screw (9) are further arranged in the steel ball seat (6), and a spring piece (11) matched with the steel ball (10) is further arranged in.

2. The guide positioning door closer of claim 1, wherein: an opening (12) matched with the steel ball (10) is formed in the middle of the lower end of the first set screw (9), and the outer end of the steel ball (10) is tangent to the inner side wall of the opening (12).

3. The guide positioning door closer of claim 1, wherein: the spring piece (11) comprises an elastic part (13) and a fixing part (14), the elastic part (13) is arranged on the inner side of the steel ball (10) and is abutted against the steel ball (10), a second set screw (15) used for compressing the fixing part (14) is arranged in the guide rail (4), and the fixing part (14) is arranged at the inner end of the second set screw (15).

4. A rail-guided positioning door closer according to claim 3, wherein: a positioning block (16) is arranged in the guide rail (4), a second set screw (15) penetrates through the positioning block (16), a groove (17) is formed in the inner end portion of the left side of the positioning block (16), a fixing block (18) which is bent outwards is arranged at the left end portion of the fixing portion (14), and the fixing block (18) is inserted into the groove (17).

5. The guide positioning door closer of claim 1, wherein: the outer wall of the steel ball seat (6) is provided with an outer convex ring (19) and an inner convex ring (20), the rocker arm rod (3) is sleeved outside the outer convex ring (19), a rocker arm bearing (21) is arranged between the rocker arm rod (3) and the steel ball seat (6), a mounting groove (22) is formed in the slider (5), and the inner convex ring (20) is arranged in the mounting groove (22).