CN216841135U

CN216841135U - Mechanical closer

Info

Publication number: CN216841135U
Application number: CN202123272791.8U
Authority: CN
Inventors: 白云
Original assignee: Shenzhen Yibeikang Medical Equipment Co ltd
Current assignee: Shenzhen Yibeikang Medical Equipment Co ltd
Priority date: 2021-12-23
Filing date: 2021-12-23
Publication date: 2022-06-28
Anticipated expiration: 2031-12-23

Abstract

The mechanical closer comprises a closer main body, a rotating rod and a guide rail, wherein the closer main body and the guide rail are arranged on a door frame and a door in a position-interchangeable manner; one end of the rotating rod is connected with the sliding device, the other end of the rotating rod is connected with a sliding block, the sliding block is sleeved in the guide rail, one end of the sliding block is abutted to the second spring, and one end, far away from the sliding block, of the second spring is connected with the inner wall of the guide rail; compare with traditional hydraulic oil formula door closer, the mechanical type closer that this application provided does not adopt hydraulic oil, simple structure, and is with low costs, and elastic potential energy through the second spring can realize reducing the speed of closing the door, slows down the impact of door to the door frame, extension door life.

Description

Mechanical closer

Technical Field

The utility model belongs to the technical field of the door closer, especially, relate to a mechanical type closer.

Background

With the continuous progress of science and technology, various door closers are available, and the door closers are mainly applied to commercial and public buildings, for example, most fire doors, automatic doors and the like are door closers, so that the doors are automatically closed, and the spread of fire and indoor ventilation are limited. At present, door closers used on domestic fire doors are various in model, but most of the door closers are of hydraulic structures, and although the door closers of the hydraulic structures can also achieve the automatic closing function of the doors, the door closers of the hydraulic structures are large in size and heavy in mass, and hydraulic oil has oil leakage risks, so that safety risks are brought to users. Meanwhile, the hydraulic door closer is used in cold regions, hydraulic oil is easy to freeze due to low temperature, and the door closer fails, so that the use market of the hydraulic door closer is limited.

In the market, a piston compresses an oil cavity inner spring when a hydraulic door closer opens a door, and the required thrust is larger along with the increase of the opening angle of the door, so that inconvenience is brought to a user; meanwhile, in order to realize the function of automatic closing, a spring with larger elasticity is generally used, and the door is closed quickly and easily damaged due to the larger elasticity of the spring.

SUMMERY OF THE UTILITY MODEL

The mechanical closer is provided in this application to there being oil leak, door closer inefficacy risk to above-mentioned fluid pressure type structure door closer, and need great thrust when pushing away the door, the technical problem of the fast damage door of closing door speed.

On one hand, the utility model provides a mechanical closer, including closer main part, dwang and guide rail, closer main part and guide rail are used for can the position exchange to set up on door frame and door, closer main part is including having a closer fixing base, be provided with slider and first spring in the closer fixing base, first spring one end with the slider is connected, the one end that the slider was kept away from to the first spring is connected with closer main part inner wall;

one end of the rotating rod is connected with the sliding device, the other end of the rotating rod is connected with a sliding block, the sliding block is sleeved in the guide rail, a second spring is arranged in the guide rail, one end of the sliding block is abutted against the second spring, and one end, far away from the sliding block, of the second spring is connected with the inner wall of the guide rail;

when the door is switched between a closed state and an open state, the rotating rod drives the sliding device to move in the closer fixing seat and the sliding block to move on the guide rail respectively.

Preferably, the elastic force of the first spring is greater than the elastic force of the second spring.

Preferably, the sliding device comprises a shaft, a rack and a sliding sleeve, a gear is fixedly sleeved on the shaft and meshed with the rack, the gear and the rack are arranged in the sliding sleeve, the rack is fixed with the sliding sleeve, and one end of the sliding sleeve is connected with the first spring.

Preferably, one end of the shaft is fixedly connected with the rotating rod, and one end, far away from the rotating rod, of the shaft is rotatably connected with the closer fixing seat.

Preferably, the closer main body further comprises a first adjusting device, and one end of the first spring, which is far away from the sliding device, is connected with the first adjusting device.

Preferably, first adjusting device includes regulating plate one and screw one, regulating plate one end with first spring coupling, regulating plate one is kept away from the one end of first spring with the one end of screw one is connected, screw one is kept away from the one end of regulating plate one with closer fixing base threaded connection.

Preferably, the guide rail is internally sleeved with a push plate, one end of the push plate is abutted to the sliding block, and one end of the push plate, which is far away from the sliding block, is connected with the second spring.

Preferably, a second adjusting device is arranged in the guide rail, one end of the second adjusting device is connected with the second spring, and one end of the second adjusting device, which is far away from the second spring, is in threaded connection with the wall of the guide rail.

Preferably, the second adjusting device comprises a second adjusting plate and a second screw, one end of the second adjusting plate is connected with the second spring, one end of the second spring is far away from the second adjusting plate, one end of the second spring is connected with one end of the second screw, and one end of the second adjusting plate is far away from the second screw and is in threaded connection with the guide rail wall.

Preferably, the rotating rod is a connecting rod or a double connecting rod.

The utility model discloses beneficial effect:

according to the mechanical closer, when the door is opened, the rotating rod drives the sliding device to move towards the direction of the first spring to compress the first spring, and meanwhile, the sliding block moves towards the direction far away from the second spring; when the door is opened and the thrust is removed, the first spring releases elastic potential energy, the sliding device is pushed to move in the direction away from the first spring, the rotating rod is driven to rotate in the opposite direction, the sliding block moves in the direction close to the second spring, the second spring is compressed, the second spring plays a role in reducing the door closing speed, the service life of the door is prolonged, and meanwhile, the damage to people due to the fact that the door closing action is too fast is prevented. Compared with the traditional hydraulic oil type door closer, the spring type door closer provided by the application does not adopt hydraulic oil, has a simple structure and low cost, can reduce the door closing speed through the elastic potential energy of the spring, slows down the impact of the door on a door frame, and prolongs the service life of the door; compared with the prior art, the spring door closer provided by the application has the advantages that the door opening angle can reach 180 degrees, and the application field of the door closer is enlarged.

Drawings

FIG. 1 is a schematic view of the internal structure of a mechanical closer body;

FIG. 2 is a top view of the mechanical closer;

FIG. 3 is a schematic view of the internal structure of the guide rail;

FIG. 4 is a top view of a mechanical closer mounting structure with a connecting rod;

figure 5 is a top view of a mechanical closer mounting structure with double connecting rods.

The reference numbers in the drawings of the specification are as follows:

1. a first spring; 2. a gear; 3. a rack; 4. a first screw; 5. a shaft; 6. a sliding sleeve; 7. a second screw; 8. a first adjusting plate; 9. rotating the rod; 10. a closer fixing seat; 11. a guide rail; 12. a second spring; 13. Pushing the plate; 14. a slider; 15. a closer body; 16. a second adjusting plate; 91. a first connecting rod; 92. and a second connecting rod.

Detailed Description

In order to make the technical problem, technical solution and advantageous effects solved by the present invention more clearly understood, the following description is given in conjunction with the accompanying drawings and embodiments to illustrate the present invention in further detail. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

As shown in fig. 1 to 5, the present embodiment provides a mechanical closer, which includes a closer main body 15, a rotating rod 9 and a guide rail 11, where the closer main body 15 and the guide rail 11 are configured to be interchangeably disposed on a door frame and a door, the closer main body 15 includes a closer fixing seat 10, a sliding device and a first spring 1 are disposed in the closer fixing seat 10, one end of the first spring 1 is connected to the sliding device, and one end of the first spring 1, which is far away from the sliding device, is connected to an inner wall of the closer main body 15;

one end of the rotating rod 9 is connected with the sliding device, the other end of the rotating rod 9 is connected with a sliding block 14, the sliding block 14 is sleeved in the guide rail 11, a second spring 12 is arranged in the guide rail 11, one end of the sliding block 14 is abutted against the second spring 12, and one end, far away from the sliding block 14, of the second spring 12 is connected with the inner wall of the guide rail 11;

when the door is switched between a closed state and an open state, the rotating rod 9 drives the sliding device to displace in the closer fixing seat 10 and the sliding block 14 to displace on the guide rail 11 respectively.

The mechanical closer provided by the embodiment comprises a closer main body 15 and a guide rail 11, wherein a closer fixing seat 10 is arranged in the closer main body 15, a sliding device and a first spring 1 are arranged in the closer fixing seat 10, a rotating rod 9 is connected to the closer main body 15, a sliding block 14 is arranged in the guide rail 11, the sliding block 14 is connected with one end of the rotating rod 9, and one end of the sliding block 14 is abutted to a second spring 12; when the door is opened, the rotating rod 9 drives the sliding device to move towards the direction of the first spring 1, the first spring 1 is compressed, and meanwhile, the sliding block 14 moves towards the direction far away from the second spring 12; when the door is opened and the thrust is removed, the first spring 1 releases elastic potential energy to push the sliding device to move in the direction away from the first spring 1, the rotating rod 9 is driven to rotate in the opposite direction, the sliding block 14 moves in the direction close to the second spring 12 to compress the second spring 12, the second spring 12 plays a role in reducing the door closing speed, the service life of the door is prolonged, and meanwhile, the damage to people due to the fact that the door closing action is too fast is prevented. Compared with the traditional hydraulic oil type door closer, the spring type door closer provided by the embodiment does not adopt hydraulic oil, has a simple structure and low cost, can reduce the door closing speed through the elastic potential energy of the spring, slows down the impact of the door on a door frame, and prolongs the service life of the door; compared with the prior art, the spring type door closer provided by the embodiment has the advantages that the door opening angle can reach 180 degrees, and the application field of the door closer is enlarged.

In the present embodiment, the elastic force of the first spring 1 is greater than the elastic force of the second spring 12.

The elasticity of the first spring 1 is greater than the elasticity of the second spring 12, that is, the elastic potential energy of the first spring 1 is greater than the elastic potential energy of the second spring 12, so that the door can be automatically closed according to the fact that the elastic potential energy of the first spring 1 is greater than the elastic potential energy of the second spring 12 when the door is at any position.

In this embodiment, the sliding device includes a shaft 5, a rack 3 and a sliding sleeve 6, a gear 2 is fixedly sleeved on the shaft 5, the gear 2 is meshed with the rack 3, the gear 2 and the rack 3 are arranged in the sliding sleeve 6, the rack 3 is fixed to the sliding sleeve 6, and one end of the sliding sleeve 6 is connected to the first spring 1.

The one end and the dwang 9 fixed connection of axle 5, the one end that axle 5 kept away from dwang 9 with closer fixing base 10 rotates and is connected.

Specifically, a gear 2 is fixedly sleeved on the shaft 5, a gear 2 and a rack 3 are arranged in the sliding sleeve 6, the gear 2 is meshed with the rack 3, and one end of the sliding sleeve 6 is connected with one end of the first spring 1. When the door is pushed, the rotating rod 9 drives the gear 2 fixedly connected with the shaft 5 to rotate, and the rack 3 meshed with the gear 2 moves along with the gear, so that the sliding sleeve 6 is pushed to move towards the direction close to the first spring 1, the first spring 1 is compressed, and the elastic potential energy of the first spring 1 is increased; when the thrust disappears, the first spring 1 releases elastic potential energy, the sliding sleeve 6 is pushed to move towards the direction far away from the first spring 1, the rack 3 in the sliding sleeve 6 also moves towards the direction far away from the first spring 1, the gear 2 meshed with the rack 3 and the shaft 5 fixedly connected with the gear 2 can rotate towards the opposite direction, and therefore the rotating rod 9 is driven to rotate towards the opposite direction, the door is pushed to rotate, and the door is closed.

The closer fixing seat 10 is more convenient for installing the closer main body 15, and the closer main body 15 can be installed or detached quickly.

In this embodiment, the closer body 15 further comprises a first adjusting means, and an end of the first spring 1 away from the sliding means is connected to the first adjusting means.

One end of the first spring 1, which is far away from the sliding device, is connected with a first adjusting device, and the first adjusting device can adjust the pre-pressure of the first spring 1, so that the magnitude of the thrust force when the door is pushed is changed, and the problem that the hydraulic door closer provided with the spring in the prior art needs larger thrust force to push the door open due to large spring force when the door is pushed can be effectively solved. The first adjusting device can be adjusted, the pre-pressure of the spring is reduced, and the pushing force during door pushing is reduced.

In this embodiment, the first adjusting device includes an adjusting plate 8 and a screw 4, one end of the adjusting plate 8 is connected to the first spring 1, one end of the adjusting plate 8 away from the first spring 1 is connected to one end of the screw 4, and one end of the screw 4 away from the adjusting plate 8 is connected to the closer fixing seat 10 through threads.

Specifically, the first adjusting plate 8 can be pushed to move by rotating the first screw 4, and the distance between the first adjusting plate 8 and the first spring 1 is changed, so that the pre-pressure of the first spring 1 is changed, and the pushing force during door pushing is changed.

In this embodiment, a push plate 13 is sleeved in the guide rail 11, one end of the push plate 13 abuts against the slider 14, and one end of the push plate 13, which is far away from the slider 14, is connected to the second spring 12.

A second adjusting device is arranged in the guide rail 11, one end of the second adjusting device is connected with the second spring 12, and one end, far away from the second spring 12, of the second adjusting device is in threaded connection with the wall of the guide rail 11.

Specifically, one end of the second spring 12 is connected to the second adjusting device, and one end of the second spring 12, which is far away from the second adjusting device, is connected to the push plate 13. The second adjusting device can adjust the pre-pressure of the second spring 12 and change the movement speed of the door in the door closing process; for example, the second adjusting device can be adjusted to slow down the movement speed of the door in the door closing process and buffer the impact of the door on the door frame, so that the effect of protecting the door and prolonging the service life of the door is achieved; meanwhile, the damage to the production of people caused by the too high movement speed of the door when the door is closed can be prevented, and the safety risk is reduced.

In this embodiment, the second adjusting device includes a second adjusting plate 16 and a second screw 7, one end of the second adjusting plate 16 is connected to the second spring 12, one end of the second adjusting plate 16 far away from the second spring 12 is connected to one end of the second screw 7, and one end of the second screw 7 far away from the second adjusting plate 16 is in threaded connection with the wall of the guide rail 11.

Specifically, the second screw 7 is in threaded connection with the wall of the guide rail 11, the second adjusting plate 16 can move relatively by rotating the second screw 7, the relative displacement between the second adjusting plate 16 and the second spring 12 is changed, and the pre-pressure of the second spring 12 is changed, so that the moving speed of the door in the door closing process can be changed.

In this embodiment, the shutter body 15 can be optionally fixed to the door pocket, and the rail 11 is partially fixed to the door; alternatively, the guide rail 11 is partially fixed to the doorframe and the closer body 15 is fixed to the door; the present embodiment is not limited.

In this embodiment, as shown in fig. 4, the rotating rod 9 of the mechanical closer provided by the present application is a connecting rod, one end of the rotating rod 9 is connected to the closer body 15, and the other end of the rotating rod 9 is connected to the slider 14 in the guide rail 11. As shown in fig. 5, in the mechanical closer provided by the present application, the rotating rod 9 may also be composed of two connecting rods, that is, a first connecting rod 91 and a second connecting rod 92, the first connecting rod 91 is rotatably connected with the second connecting rod 92, and the first connecting rod 91 and the second connecting rod 92 jointly implement a door opening or closing motion.

The utility model provides a mechanical type closer working process as follows: when the door is pushed, the rotating rod 9 is driven by the door to rotate, the rotating rod 9 drives the shaft 5 and the gear 2 fixed on the shaft 5 to rotate, the rack 3 meshed with the gear 2 is pushed to slide towards the direction close to the first spring 1, the sliding sleeve 6 connected with one end of the first spring 1 compresses the first spring 1, and the elastic potential energy of the first spring 1 is increased; meanwhile, the sliding block 14 connected with the rotating rod 9 moves towards the direction far away from the second spring 12, the elastic potential energy of the second spring 12 is reduced and even zero, and the door opening action is realized. The door withdraws thrust under the open mode, and first spring 1 releases elastic potential energy, and the promotion sliding sleeve 6 slides to the direction of keeping away from first spring 1, drives rack 3 and slides to the direction of keeping away from first spring 1, and with rack 3 meshing gear 2 and with gear 2 fixed connection's axle 5 rotate to opposite direction, with axle 5 fixed connection's dwang 9 rotation, dwang 9 drives slider 14 and moves in guide rail 11, promotes the door and rotates, accomplishes the action of automatic closing the door. In the door self-closing process, the dwang 9 drives the slider 14 to the direction motion that is close to the second spring 12, through push pedal 13 compression second spring 12, second spring 12 plays the effect that reduces the speed of closing the door, slows down the impact to the door frame, extension door life also prevents to produce the injury to the people because of the action of closing the door is too fast simultaneously. When the door is opened, the first screw 4 can be adjusted, so that the pre-pressure of the first spring 1 is adjusted, and the pushing force is adjusted when the door is pushed; during the door closing action, the second screw 7 can be adjusted, and the pre-pressure of the second spring 12 can be adjusted, so that the movement speed of the door during the door closing action can be adjusted.

The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims

1. A mechanical closer is characterized by comprising a closer main body, a rotating rod and a guide rail, wherein the closer main body and the guide rail are arranged on a door frame and a door in a position-interchangeable manner, the closer main body comprises a closer fixing seat, a sliding device and a first spring are arranged in the closer fixing seat, one end of the first spring is connected with the sliding device, and the end, far away from the sliding device, of the first spring is connected with the inner wall of the closer main body;

when the door is switched between a closed state and an open state, the rotating rod drives the sliding device to displace in the closer fixing seat and the sliding block to displace on the guide rail respectively.

2. The mechanical closer of claim 1, wherein the elastic force of the first spring is greater than the elastic force of the second spring.

3. The mechanical closer according to claim 1, wherein the sliding device comprises a shaft, a rack and a sliding sleeve, a gear is fixedly sleeved on the shaft, the gear is meshed with the rack, the gear and the rack are arranged in the sliding sleeve, the rack is fixed with the sliding sleeve, and one end of the sliding sleeve is connected with the first spring.

4. A mechanical closure according to claim 3, in which the said one end of the shaft is fixedly connected to the swivelling lever and the said one end of the shaft remote from the swivelling lever is rotatably connected to the said closure mount.

5. A mechanical closer according to claim 1, wherein the closer body further comprises a first adjustment means, an end of the first spring remote from the sliding means being connected to the first adjustment means.

6. The mechanical closer of claim 5, wherein the first adjusting means comprises a first adjusting plate and a first screw, one end of the first adjusting plate is connected with the first spring, one end of the first adjusting plate, which is far away from the first spring, is connected with one end of the first screw, and one end of the first screw, which is far away from the first adjusting plate, is in threaded connection with the closer fixing seat.

7. The mechanical closer according to claim 1, wherein a push plate is sleeved in the guide rail, one end of the push plate abuts against the slide block, and one end of the push plate, which is far away from the slide block, is connected with the second spring.

8. The mechanical closer of claim 1, wherein a second adjustment device is disposed within the rail, an end of the second adjustment device being coupled to the second spring, an end of the second adjustment device distal from the second spring being threadably coupled to the rail wall.

9. The mechanical closer of claim 8, wherein the second adjusting device comprises a second adjusting plate and a second screw, one end of the second adjusting plate is connected with the second spring, one end of the second adjusting plate, which is far away from the second spring, is connected with one end of the second screw, and one end of the second screw, which is far away from the second adjusting plate, is in threaded connection with the guide rail wall.

10. Mechanical closer according to claim 1, wherein the turning rod is a connecting rod or a double connecting rod.