CN215407989U

CN215407989U - Door closer with positioning function

Info

Publication number: CN215407989U
Application number: CN202121374170.8U
Authority: CN
Inventors: 梁伟; 梁永; 覃兴明
Original assignee: Shanghai Sibaishao Intelligent Technology Co ltd
Current assignee: Shanghai Sibaishao Intelligent Technology Co ltd
Priority date: 2021-06-21
Filing date: 2021-06-21
Publication date: 2022-01-04
Anticipated expiration: 2031-06-21

Abstract

The utility model discloses a door closer with a positioning function, which comprises a door closer main body, wherein a rotating shaft is arranged at the lower end of the door closer main body, the rotating shaft is arranged to be hexagonal, a bolt rod is coaxially and fixedly connected to the lower end of the rotating shaft, a rotary seat is rotatably connected to the lower end of the bolt rod, two sliding rods are fixedly connected to the upper end of the rotary seat, the upper ends of the two sliding rods are slidably connected with the same floating seat, the floating seat is slidably connected with the rotating shaft, a rotary block is rotatably connected to the lower end of the floating seat, and the rotary block is in threaded connection with the bolt rod. According to the door closer, the bolt rod, the rotary seat, the sliding rod, the floating seat and the rotary block are arranged, so that the rotation of the rotating shaft can be disconnected from the rotation of the rotary seat, the function of the door closer is suspended, the condition that the door needs to be kept open is met, meanwhile, the first connecting rod and the second connecting rod cannot be driven by the door due to the arrangement of the limiting mechanism to move, the position of the door is fixed, and the function of positioning the door is achieved.

Description

Door closer with positioning function

Technical Field

The utility model relates to the technical field of door closers, in particular to a door closer with a positioning function.

Background

The door closer is a hydraulic press similar to a spring on the door head, can be released after being compressed after the door is opened, automatically closes the door, has the effect similar to a spring door, can ensure that the door is accurately and timely closed to an initial position after being opened, can basically meet daily use requirements, and still has some defects to be improved.

When the door closer is used on a door, a certain force is needed to open the door, and under the action of the door closer, the door keeps the closing trend and the acting force, and under some conditions that the door needs to be kept open, the trend and the acting force are undoubtedly an obstacle, a part of the door closer does not have a structure for suspending the door closing function to facilitate the positioning of the door, and in addition, in order to keep the opening and the positioning of the door under necessary conditions, the positioning of the door can be realized by limiting the movement of each link of the door closer, and a part of the door closer does not have a link structure capable of realizing the positioning function, so the door closer with the positioning function is urgently needed to solve the problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a door closer with a positioning function, and solves the problems that some door closers proposed in the background art do not have a structure for suspending the door closing function to facilitate the positioning of a door and a connecting rod structure capable of realizing the positioning function.

In order to achieve the purpose, the utility model provides the following technical scheme: take locate function's door closer, including the door closer main part, door closer main part lower extreme is equipped with the pivot, the pivot sets up to the hexagonal physique, the coaxial fixedly connected with shank of bolt of pivot lower extreme, the shank of bolt lower extreme rotates and is connected with the seat of revolving, revolve the slide bar that two vertical symmetries of seat upper end fixedly connected with set up, two slide bar upper end sliding connection has same floating seat, floating seat and pivot sliding connection, the floating seat lower extreme rotates and is connected with the piece of revolving, revolve piece and shank of bolt threaded connection, revolve the first connecting rod that seat lateral wall fixed connection has the level to set up, first connecting rod is kept away from and is revolved seat one end and rotate the second connecting rod that is connected with the level and sets up, be equipped with in the first connecting rod and be used for restricting second connecting rod pivoted stop gear.

Preferably, a cylindrical groove matched with the bolt rod is formed in the rotary seat, and the bolt rod is rotatably connected with the cylindrical groove.

Preferably, the side wall of the floating seat is fixedly connected with two sliding sleeves which are symmetrical and matched with the sliding rod, and the sliding rod is in sliding connection with the sliding sleeves.

Preferably, a hexagonal sliding groove matched with the rotating shaft is formed in the floating seat, and the rotating shaft is connected with the hexagonal sliding groove in a sliding mode.

Preferably, the upper end of the rotary block is fixedly connected with a rotary ring, the lower end of the floating seat is provided with a rotary groove matched with the rotary ring, and the rotary ring is rotatably connected with the rotary groove.

Preferably, stop gear includes the spacing groove that is equipped with in the first connecting rod, the embedding has the briquetting in the spacing groove, the vertical bolt head that sets up of briquetting lower extreme fixedly connected with, the bolt head lower extreme runs through first connecting rod and threaded connection has the fastening knob, be located the arc that briquetting lower extreme sliding connection has the level to set up in the spacing groove, be equipped with on the arc with bolt head assorted sliding groove, bolt head and sliding groove sliding connection, the upper end fixed connection of arc one end and second connecting rod.

Compared with the prior art, the utility model has the beneficial effects that:

1. the door closer with the positioning function is provided with the bolt rod, the rotary seat, the slide rod, the floating seat and the rotary block, the rotary block is rotated, the thread feeding effect is generated between the rotary block and the bolt rod to drive the floating seat to move downwards, so that the floating seat is separated from the rotating shaft, at the moment, the rotating shaft is not connected with the rotary seat, the function of the door closer is suspended, the requirement for keeping the open condition of a door is met, and the practicability of the device is improved.

2. This take locate function's door closer is provided with stop gear, through opening a definite position with the door, after the door drove first connecting rod and second connecting rod to rotate and form certain angle, stop gear restricted the angle that first connecting rod and second connecting rod formed and fixed for the door can't drive first connecting rod and second connecting rod motion again, and then made the rigidity of door, realized the locate function to the door.

Drawings

FIG. 1 is a schematic front sectional view of the present invention;

FIG. 2 is a schematic side view of the cross-sectional structure of the present invention;

FIG. 3 is a schematic top cross-sectional view of the present invention;

fig. 4 is a schematic structural diagram of the limiting mechanism of the present invention.

In the figure: 1. a door closer main body; 2. a rotating shaft; 3. a bolt shank; 4. rotating the base; 5. a slide bar; 6. a floating seat; 7. rotating the block; 8. a first link; 9. a second link; 10. a limiting groove; 11. briquetting; 12. a cylindrical groove; 13. a sliding sleeve; 14. a hexagonal chute; 15. rotating a ring; 16. rotating the groove; 17. a bolt head; 18. fastening a knob; 19. an arc-shaped plate; 20. and (4) sliding grooves.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-4, an embodiment of the present invention is shown:

a door closer with a positioning function comprises a door closer main body 1, a rotating shaft 2 is arranged at the lower end of the door closer main body 1, the rotating shaft 2 is set to be hexagonal, a bolt rod 3 is coaxially and fixedly connected to the lower end of the rotating shaft 2, a rotary seat 4 is rotatably connected to the lower end of the bolt rod 3, a cylindrical groove 12 matched with the bolt rod 3 is arranged in the rotary seat 4, the bolt rod 3 is rotatably connected with the cylindrical groove 12, the outer diameter of the bolt rod 3 is equal to the inner diameter of the cylindrical groove 12, so that the rotary seat 4 can rotate around the bolt rod 3 by means of the cylindrical groove 12, two sliding rods 5 which are vertically and symmetrically arranged are fixedly connected to the upper end of the rotary seat 4, the same floating seat 6 is slidably connected to the upper ends of the two sliding rods 5, two sliding sleeves 13 which are symmetrical and matched with the sliding rods 5 are fixedly connected to the side wall of the floating seat 6, and the sliding rods 5 are slidably connected with the sliding sleeves 13, the surface of slide bar 5 and the internal surface of sliding sleeve 13 all set up to cylindrically, the external diameter of slide bar 5 equals with the internal diameter of sliding sleeve 13, external diameter through slide bar 5 equals with the internal diameter of sliding sleeve 13, make sliding sleeve 13 can move on slide bar 5, floating

seat

6 and 2 sliding connection of pivot, be equipped with in the floating seat 6 with pivot 2 assorted hexagon spout 14,

pivot

2 and 14 sliding connection of hexagon spout, through set up in floating seat 6 with pivot 2 assorted hexagon spout 14, make pivot 2 can be to the conduction moment of torsion of floating seat 6, the rotation of floating seat 6 lower extreme is connected with rotary block 7, the fixedly connected with of rotary block 7 upper end revolves ring 15, floating seat 6 lower extreme is equipped with revolves ring 15 assorted spiral groove 16, revolve ring 15 and revolve groove 16 rotation and be connected, revolve block 7 and 3 threaded connection of shank of bolt.

A first connecting rod 8 which is horizontally arranged is fixedly connected to the side wall of the rotary seat 4, one end, far away from the rotary seat 4, of the first connecting rod 8 is rotatably connected with a second connecting rod 9 which is horizontally arranged, a limiting mechanism used for limiting the rotation of the second connecting rod 9 is arranged in the first connecting rod 8, the limiting mechanism comprises a limiting groove 10 which is arranged in the first connecting rod 8, a pressing block 11 is embedded in the limiting groove 10, the pressing block 11 is rectangular, the lower end of the pressing block 11 is fixedly connected with a bolt head 17 which is vertically arranged, the lower end of the bolt head 17 penetrates through the first connecting rod 8 and is in threaded connection with a fastening knob 18, an arc-shaped plate 19 which is horizontally arranged is in sliding connection with the lower end of the pressing block 11 in the limiting groove 10, a sliding groove 20 which is matched with the bolt head 17 is arranged on the arc-shaped plate 19, the bolt head 17 is in sliding connection with the sliding groove 20, the outer diameter of the bolt head 17 is equal to the width of the inner wall of the sliding groove 20, and the outer diameter of the bolt head 17 is equal to the width of the inner wall of the sliding groove 20, so that the bolt head 17 can move in the sliding slot 20, and one end of the arc plate 19 is fixedly connected with the upper end of the second connecting rod 9.

The working principle is as follows: when the function of the door closer needs to be disconnected, the rotary block 7 is rotated firstly, the rotary block 7 drives the rotary ring 15 to rotate in the rotary groove 16, meanwhile, a thread feeding effect occurs between the rotary block 7 and the bolt rod 3 to drive the floating seat 6 to move downwards, the floating seat 6 drives the hexagonal sliding groove 14 to slide downwards on the hexagonal rotating shaft 2 until the hexagonal rotating shaft 2 is separated from the rotating shaft 2, the floating seat 6 drives the sliding sleeve 13 to move downwards on the sliding rod 5, at the moment, the rotation of the rotating shaft 2 can not transmit torque to the floating seat 6 through the hexagonal sliding groove 14, the floating seat 6 can not transmit torque to the rotary seat 4 through the sliding sleeve 13 and the sliding rod 5, the connection between the rotating shaft 2 and the rotary seat 4 is disconnected, the function of the door closer is suspended, and the function of the door closer is convenient to be disconnected.

When the first connecting rod 8 and the second connecting rod 9 need to be fixed to realize the positioning of the door, firstly, the door drives the first connecting rod 8 and the second connecting rod 9 to rotate to a certain position and form a certain angle, the second connecting rod 9 drives the arc-shaped plate 19 to move to a corresponding position in the limiting groove 10, the bolt head 17 moves in the sliding groove 20, then, the fastening knob 18 is rotated, the fastening knob 18 and the bolt head 17 perform a thread feeding action to drive the bolt head 17 to move downwards, the bolt head 17 drives the pressing block 11 to move downwards in the limiting groove 10 to contact with the upper end of the arc-shaped plate 19, the fastening knob 18 is screwed, the pressing block 11 presses the arc-shaped plate 19 downwards on the inner bottom surface of the limiting groove 10, so that the relative position between the arc-shaped plate 19 and the limiting groove 10 is fixed, the included angle formed between the first connecting rod 8 and the second connecting rod 9 is fixed, and the door can not drive the first connecting rod 8 and the second connecting rod 9 to move any more, meanwhile, the door is fixed, so that the first connecting rod 8 and the second connecting rod 9 are fixed to realize the positioning of the door.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. Door closer with positioning function comprises a door closer main body (1) and is characterized in that: the lower end of the door closer main body (1) is provided with a rotating shaft (2), the rotating shaft (2) is a hexagonal body, the lower end of the rotating shaft (2) is coaxially and fixedly connected with a bolt rod (3), the lower end of the bolt rod (3) is rotatably connected with a rotary seat (4), the upper end of the rotary seat (4) is fixedly connected with two sliding rods (5) which are vertically and symmetrically arranged, the upper ends of the two sliding rods (5) are connected with the same floating seat (6) in a sliding way, the floating seat (6) is connected with the rotating shaft (2) in a sliding way, the lower end of the floating seat (6) is connected with a rotary block (7) in a rotating way, the rotary block (7) is in threaded connection with the bolt rod (3), the side wall of the rotary seat (4) is fixedly connected with a first connecting rod (8) which is horizontally arranged, one end of the first connecting rod (8) far away from the rotary seat (4) is rotatably connected with a second connecting rod (9) which is horizontally arranged, and a limiting mechanism for limiting the rotation of the second connecting rod (9) is arranged in the first connecting rod (8).

2. The door closer with a positioning function according to claim 1, characterized in that: a cylindrical groove (12) matched with the bolt rod (3) is formed in the rotary seat (4), and the bolt rod (3) is rotatably connected with the cylindrical groove (12).

3. The door closer with a positioning function according to claim 1, characterized in that: the side wall of the floating seat (6) is fixedly connected with two sliding sleeves (13) which are symmetrical and matched with the sliding rod (5), and the sliding rod (5) is connected with the sliding sleeves (13) in a sliding mode.

4. The door closer with a positioning function according to claim 1, characterized in that: a hexagonal sliding groove (14) matched with the rotating shaft (2) is formed in the floating seat (6), and the rotating shaft (2) is connected with the hexagonal sliding groove (14) in a sliding mode.

5. The door closer with a positioning function according to claim 1, characterized in that: the upper end of the rotary block (7) is fixedly connected with a rotary ring (15), the lower end of the floating seat (6) is provided with a rotary groove (16) matched with the rotary ring (15), and the rotary ring (15) is rotatably connected with the rotary groove (16).

6. The door closer with a positioning function according to claim 1, characterized in that: stop gear includes spacing groove (10) that is equipped with in first connecting rod (8), embedded have briquetting (11) in spacing groove (10), the bolt head (17) of the vertical setting of briquetting (11) lower extreme fixedly connected with, bolt head (17) lower extreme runs through first connecting rod (8) and threaded connection has fastening knob (18), be located arc (19) that briquetting (11) lower extreme sliding connection has the level to set up in spacing groove (10), be equipped with on arc (19) with bolt head (17) assorted sliding groove (20), bolt head (17) and sliding groove (20) sliding connection, the upper end fixed connection of arc (19) one end and second connecting rod (9).