Stop type door closer

Abstract

The utility model discloses a stop type door closer which comprises a shell, a first sliding block is connected to the side inner wall of the shell in a sliding mode, a rack plate is fixedly connected to the side surface of the first sliding block, a gear shaft is meshed with the side surface of the rack plate, and a second sliding block is fixedly connected to the end, away from the first sliding block, of the rack plate. The end, away from the rack plate, of the second sliding block is fixedly connected with a main spring, the end, away from the rack plate, of the main spring is fixedly connected with the shell, the side surface of the rack plate is fixedly connected with a fixing plate, and the end, away from the rack plate, of the fixing plate is fixedly connected with a sliding groove plate. The end, away from the fixing plate, of the sliding groove plate is movably connected with a rotating sliding rod, and the end, away from the sliding groove plate, of the rotating sliding rod is rotationally connected with the shell. Through the components, when the door plate is pushed, the door plate can be fixed through the sliding groove plate and the rotating sliding rod, the fixing state can be relieved after the door plate is pushed again, and the door plate is simple in structure, convenient to use and convenient to maintain.

Description

TECHNICAL FIELD

[0001] The utility model relates to door closer technology field especially relates to a stop type door closer. BACKGROUND

[0002] The existing stop type door closer is all through hydraulic buffer and spring energy storage to realize the stop and automatic closing function of door, but the structure is complex and not easy to maintain, such as the stop type door closer disclosed by Chinese patent, its application number is CN201920825581.0, although the pressure difference in fluid can form thrust, the thrust is greater than the resistance force can remove the door closing valve, makes the door close, when needed, the effect of the second flow path is removed through the removal unit, so that the stop state of the door is removed, makes the door close, not limited to hand door closing trigger removal, and the removal time is not limited, but has high technical content and complex structure, is expensive, and function fails after the hydraulic system is damaged, and is not easy to maintain, and has limited use. SUMMARY

[0003] The utility model discloses a stop type door closer, when opening the door plate, the sliding block will compress the main spring, and the small sliding block on the slide rod will slide along the slide groove on the slide groove plate, and when stopping the door plate, the position of the sliding block is fixed in the nearest clamping groove by the elastic force of the spring, when closing the door plate, the small sliding block slides out of the clamping groove, and the spring pushes the sliding block to close the door plate, effectively using the slide groove track to realize the self-locking of the sliding block, so that the effect of stopping the door plate is achieved, and the structure is simple and convenient to maintain.

[0004] The utility model discloses still provide with above-mentioned stop type door closer, include: casing, the side inner wall sliding connection of casing has sliding block no.

[0005] The side surface of the rack plate is fixedly connected with a fixed plate, one end of the fixed plate away from the rack plate is fixedly connected with a slide groove plate, one end of the slide groove plate away from the fixed plate is movably connected with a rotating slide rod, and one end of the rotating slide rod away from the slide groove plate is rotatably connected with the casing. Through the above components, the slide groove plate and the rotating slide rod can be used to fix the door plate when pushing the door plate, and the fixed state can be released after pushing the door plate again, so that the structure is simple, convenient to use and easy to maintain.

[0006] The utility model discloses a stop type door closer, the upper surface fixed connection of gear shaft has rotary rod, rotary rod away from gear shaft one end of the upper top wall of casing extends to the outside of casing.

[0007] The utility model discloses a stop type door closer, the side surface fixed connection of rotary rod has connecting rod no.

[0008] The utility model discloses a stop type door closer, the side surface rotationally connected of connecting block has connecting rod no.

[0009] The utility model discloses a stop type door closer, the side surface fixed connection of sliding block no. 1 has connecting plate, and the one end of connecting plate away from sliding block no. 1 is fixedly connected with sliding block no. 2.

[0010] The utility model discloses a stop type door closer, the side inner wall sliding connection of sliding block no. 1 has the limiting rod, and one end of limiting rod is fixedly connected with buffer plate.

[0011] The utility model discloses a stop type door closer, the one end fixed connection of limiting rod away from buffer plate has the limiting block, and the one end fixed connection of buffer plate near limiting rod has buffer spring.

[0012] The utility model discloses a stop type door closer, the one end fixed connection of buffer spring away from buffer plate has sliding block no. 1, and the side surface of buffer plate is slidingly connected with casing.

[0013] Advantages:

[0014] Compared with prior art, when opening the door plate, the sliding block compresses the main spring, and the small sliding block on the rotary slide rod slides along the slide groove on the slide groove plate, and when stopping the door plate, the sliding block is fixed in the nearest clamping groove by the elastic force of the spring, when closing the door plate, the small sliding block slides out of the clamping groove, and the spring pushes the sliding block to close the door plate, effectively realizing the self-locking of the sliding block by the slide groove track, so that the door plate is stopped, and the structure is simple and convenient to maintain. BRIEF DESCRIPTION OF DRAWINGS

[0015] The utility model is further explained below in combination with the drawings and embodiments;

[0016] Figure 1 It is the overall structural drawing of the utility model fixed stop door closer;

[0017] Figure 2 It is the sectional structure drawing of the utility model fixed stop door closer;

[0018] Figure 3 It is the internal structure drawing of the shell of the utility model fixed stop door closer;

[0019] Figure 4 It is the front view structure drawing of the sliding slot plate of the utility model fixed stop door closer;

[0020] Figure 5 It is the rotating sliding rod structure drawing of the utility model fixed stop door closer.

[0021] Legend:

[0022] 1, shell, 2, mounting block, 3, connecting rod one, 4, connecting block, 5, connecting rod two, 6, rotating rod, 7, gear shaft, 8, sliding block one, 9, connecting plate, 10, sliding block two, 11, main spring, 12, buffer plate, 13, buffer spring, 14, limiting rod, 15, limiting block, 16, rack plate, 17, sliding slot plate, 18, fixed plate, 19, rotating sliding rod. DETAILED DESCRIPTION

[0023] This part will describe the specific embodiments of the utility model in detail, the preferred embodiments of the utility model are shown in the drawings, the role of the drawings is to supplement the description of the text part with graphics, so that people can intuitively and visually understand each technical feature and the overall technical scheme of the utility model, but it cannot be understood as the limitation of the protection scope of the utility model.

[0024] With reference to Figures 1-5 , the utility model embodiment fixed stop door closer, it includes: shell 1, the inside wall of shell 1 is slidably connected with sliding block one 8, the side surface of sliding block one 8 is fixedly connected with rack plate 16, gear shaft 7 rotates and drives sliding block two 10 to compress main spring 11, the side surface of rack plate 16 is engaged with gear shaft 7, under the drive of rotating rod 6, it rotates and drives rack plate 16 to move, the end, away from sliding block one 8 of rack plate 16 is fixedly connected with sliding block two 10, compresses main spring 11, the end, away from rack plate 16 of sliding block two 10 is fixedly connected with main spring 11, when pushing the door plate, it will make sliding block two 10 compress main spring 11 to accumulate energy, and release energy after losing support and close the door plate, the end, away from rack plate 16 of main spring 11 is fixedly connected with shell 1;

[0025] The side surface of the rack plate 16 is fixedly connected with a fixed plate 18, the fixed plate 18 is fixedly connected with a sliding groove plate 17 away from one end of the rack plate 16, so that the rotating sliding rod 19 slides along the sliding groove on the sliding groove plate 17, the end of the sliding groove plate 17 away from the fixed plate 18 is movably connected with the rotating sliding rod 19, after the door plate is opened, the small sliding block on the rotating sliding rod 19 slides along the sliding groove above the sliding groove plate 17, and stops and slides into the clamping groove to stop the door plate, and after the door plate is pushed again, the small sliding block slides into the lower sliding groove, so that the main spring 11 can push the door plate to close it, and the end of the rotating sliding rod 19 away from the sliding groove plate 17 is rotatably connected with the shell 1.

[0026] The upper surface of the gear shaft 7 is fixedly connected with a rotating rod 6, which can drive the gear shaft 7 to rotate, the end of the rotating rod 6 away from the gear shaft 7 extends to the outside of the shell 1 through the upper top wall of the shell 1, the side surface of the rotating rod 6 is fixedly connected with a connecting rod two 5, which drives the rotating rod 6 to rotate, the end of the connecting rod two 5 away from the rotating rod 6 is rotatably connected with a connecting block 4, which connects the connecting rod one 3 and the connecting rod two 5, the side surface of the connecting block 4 is rotatably connected with the connecting rod one 3, and the end of the connecting rod one 3 away from the connecting block 4 is rotatably connected with the mounting block 2.

[0027] The side surface of the sliding block one 8 is fixedly connected with a connecting plate 9, which enhances the connection effect of the sliding block one 8 and the sliding block two 10, the end of the connecting plate 9 away from the sliding block one 8 is fixedly connected with the sliding block two 10, the side inner wall of the sliding block one 8 is slidably connected with a limiting rod 14, one end of the limiting rod 14 is fixedly connected with a buffer plate 12 and a buffer spring 13 to provide a buffering effect, the end of the limiting rod 14 away from the buffer plate 12 is fixedly connected with a limiting block 15, which drives the buffer plate 12 to move through the limiting block 15 and the limiting rod 14 when the sliding block one 8 moves, the end of the buffer plate 12 close to the limiting rod 14 is fixedly connected with the buffer spring 13, which provides a buffering effect for the sliding block one 8 together with the buffer plate 12, the end of the buffer spring 13 away from the buffer plate 12 is fixedly connected with the sliding block one 8, and the side surface of the buffer plate 12 is slidably connected with the shell 1.

[0028] Working principle: after the mounting block 2 and the shell 1 are fixed on the door frame and the door plate respectively, the rotating rod 6 drives the gear shaft 7 to rotate under the action of the connecting rod one 3, the connecting rod two 5 and the connecting block 4, the gear shaft 7 is engaged with the rack plate 16 and drives the sliding block two 10 to compress the main spring 11, at the same time, the small sliding block on the rotating sliding rod 19 slides along the sliding groove above the sliding groove plate 17, and stops and slides into the clamping groove to stop the door plate, when it is needed to close the door plate, the small sliding block slides into the lower sliding groove, so that the main spring 11 can push the door plate to close it, when the elastic force of the main spring 11 is too large, the buffer plate 12 slides along the shell 1 to increase the resistance, and when the buffer plate 12 reaches the end of the shell 1, the buffer spring 13 is compressed to provide a buffering effect, so as to avoid damage to the device.

[0029] The utility model embodiment has been explained in detail above in combination with the drawings, but the utility model is not limited to the above-mentioned embodiment, still can make various changes in the knowledge range of the ordinary skill of the people in the prior art within the premise of not departing from the utility model's tenet.

Claims

1. A holdback door closer characterised in that, The utility model relates to a shell (1), the side inner wall sliding connection of shell (1) has sliding block one (8), the side surface fixed connection of sliding block one (8) has rack plate (16), the side surface engagement of rack plate (16) has gear shaft (7), the fixed connection of rack plate (16) away from sliding block one (8) one end has sliding block two (10), the fixed connection of sliding block two (10) away from rack plate (16) one end has main spring (11), the fixed connection of main spring (11) away from rack plate (16) one end and shell (1) has, The side surface fixed connection of rack plate (16) has fixed plate (18), the fixed connection of fixed plate (18) away from rack plate (16) one end has sliding slot plate (17), the movable connection of sliding slot plate (17) away from fixed plate (18) one end has rotation slide bar (19), the rotation of rotation slide bar (19) away from sliding slot plate (17) one end and shell (1) rotation connection. The upper surface fixed connection of gear shaft (7) has rotation rod (6), the one end of rotation rod (6) away from gear shaft (7) extends to the outside of shell (1) through the upper top wall of shell (1).

2. A check arm door closer according to claim 1, characterised in that The side surface fixed connection of rotation rod (6) has connecting rod two (5), the rotation connection of connecting rod two (5) away from rotation rod (6) one end has connecting block (4).

3. A check arm door closer according to claim 2, characterised in that The side surface rotation connection of connecting block (4) has connecting rod one (3), the rotation connection of connecting rod one (3) away from connecting block (4) one end and installation block (2) has.

4. A check arm door closer according to claim 3, characterised in that The side surface fixed connection of sliding block one (8) has connecting plate (9), the fixed connection of connecting plate (9) away from sliding block one (8) one end and sliding block two (10) has.

5. The holdback door closer of claim 1, wherein, The side inner wall sliding connection of sliding block one (8) has limit rod (14), one end fixed connection of limit rod (14) has buffer plate (12).

6. The holdback door closer of claim 1, wherein, The fixed connection of limit rod (14) away from buffer plate (12) one end has limit block (15), the fixed connection of buffer plate (12) near limit rod (14) one end has buffer spring (13).

7. A check arm door closer according to claim 6, characterised in that, The fixed connection of buffer spring (13) away from buffer plate (12) one end and sliding block one (8) has, the side surface of buffer plate (12) and shell (1) sliding connection.

8. A check arm door closer according to claim 7, characterised in that, ​

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