CN213573721U

CN213573721U - Fire door release is prevented in control by temperature change

Info

Publication number: CN213573721U
Application number: CN202021123441.8U
Authority: CN
Inventors: 沈福顺
Original assignee: Wuxi Fuchen Door Technology Co ltd
Current assignee: Wuxi Fuchen Door Technology Co ltd
Priority date: 2020-06-17
Filing date: 2020-06-17
Publication date: 2021-06-29
Anticipated expiration: 2030-06-17

Abstract

The utility model discloses a temperature control fireproof door release device, which comprises a connecting rod, a lubricating mechanism and a reinforcing mechanism, wherein the top surface of the connecting rod is provided with a rotating shaft, the rotating shaft penetrates through the connecting rod and is rotationally connected with the connecting rod, the lubricating mechanism is positioned on the surface of the rotating shaft, the lubricating mechanism comprises an installation block, the installation block is positioned on the top surface of the connecting rod, the top surface of the rotating shaft is fixedly connected with a slide bar, the top surface of the installation block is provided with a chute, the installation block is movably connected with the rotating shaft through the slide bar and the chute in a sliding manner, one side surface of the slide bar is provided with a fixed groove, and a buckle is arranged inside the; the installation block is favorable for lubricating the surface of the rotating shaft, the service life of the rotating shaft is prolonged, the rotating action of the rotating shaft on the swing arm is ensured, and the working efficiency of the device is improved; through the sealing sleeve who sets up, be favorable to consolidating the swing arm and be connected with the swing support post, improved the steadiness of device.

Description

Fire door release is prevented in control by temperature change

Technical Field

The utility model belongs to the technical field of release, concretely relates to fire door release is prevented in control by temperature change.

Background

The main purpose of the fireproof door is to prevent the fire from continuously spreading in the sudden fire. At present, metal is adopted as a main material of a fireproof door, so that the weight is heavy, and a lot of inconvenience is brought in the installation and use processes; moreover, door closers are frequently installed on fireproof doors in the market, the door closers are of an unsetting type and a positioning type, the unsetting type ensures the normally closed state of fireproof doors and windows, the positioning type ensures the normally open state of ventilation and passing, and the unsetting type is inconvenient to ventilate and pass under the daily no-fire state.

However, the existing release device for the temperature control fireproof door still has some defects, when the device is used for a long time, the surface of the rotating shaft is corroded or weathered by external factors, the swinging arm is difficult to rotate, and in addition, when the swinging arm and the swinging support column on the device are weathered by the external factors, the problem that the joint is loosened is caused, so the release device for the temperature control fireproof door is provided.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a fire door release is prevented in control by temperature change to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a release device of a temperature-controlled fireproof door comprises a connecting rod, a lubricating mechanism and a reinforcing mechanism, wherein a rotating shaft is arranged on the surface of the top end of the connecting rod, the rotating shaft penetrates through the connecting rod and is rotationally connected with the connecting rod, the lubricating mechanism is positioned on the surface of the rotating shaft, the lubricating mechanism comprises an installation block, the installation block is positioned on the top end surface of the connecting rod, the top end surface of the rotating shaft is fixedly connected with a slide bar, the top end surface of the mounting block is provided with a sliding groove, the mounting block is movably connected with the rotating shaft through a sliding strip and the sliding groove in a sliding way, a fixed groove is arranged on the surface of one side of the sliding strip, a buckle is arranged inside the fixed groove, a first spring is fixedly connected with the inner surface of the fixed groove, the buckle is connected with the fixed slot through a first spring, a fixed hole is formed in the surface of one side of the installation block, and the buckle penetrates through the fixed hole and is connected with the first spring.

Preferably, a swing arm is arranged on the surface of one side of the connecting rod, a swing support column is arranged on the surface of the top end of the swing arm, a connecting seat is fixedly connected to the surface of the top end of the swing arm at one side of the swing support column, the swing support column penetrates through the surface of one side of the connecting seat, one side of the swing support column is arranged in the connecting seat, the reinforcing mechanism is arranged at the joint of the swing support column and the connecting seat, the reinforcing mechanism comprises a sealing sleeve, the sealing sleeve is arranged on the surface of one side of the connecting seat, the connecting seat penetrates through the sealing sleeve and is connected with the swing arm, a mounting groove is formed in the surface of the top end of the connecting seat, one side of the swing support column is arranged in the mounting groove, a rack is arranged in the, a clamping groove is formed in the surface of the swinging supporting column, and one side of the rack is located inside the clamping groove.

Preferably, a second connecting hole is formed in the surface of one side of the sliding groove, and the buckle penetrates through the second connecting hole and is connected with the first spring.

Preferably, the cross-sectional shapes of the sliding groove and the sliding strip are both in a shape like a Chinese character 'tu', and the opening width of the sliding groove is twice of one point of the width of the sliding strip.

Preferably, the first springs are provided with two groups, and the two groups of first springs are connected to one side surface of the buckle.

Preferably, the inner surface of the clamping groove is fixedly connected with a second spring, and one end surface of the rack abuts against one end surface of the second spring.

Preferably, a first connecting hole is formed in one side surface of the mounting groove, and the rack penetrates through the first connecting hole and is meshed with the gear.

Preferably, the rack penetrates through one side surface of the connecting seat, and one side of the rack is positioned outside the connecting seat.

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

1. through the installation piece that sets up, effectively avoided using when the device for the surface of pivot receives external factors's erosion or morals and manners back, leads to the swing arm to be difficult to rotate, is favorable to lubricating the surface of pivot, has prolonged the life of pivot, has ensured the pivot and to the rotation effect of swing arm, has improved the work efficiency of device.

2. Through the seal cover that sets up, effectively avoided the swing arm on the device and the efflorescence that the swing support column received external factor, lead to the junction to appear not hard up, be favorable to consolidating being connected of swing arm and swing support column, improved the steadiness of device.

Drawings

Fig. 1 is a schematic structural view of the present invention;

fig. 2 is a top cross-sectional view of the rotating shaft and the mounting block of fig. 1 according to the present invention;

fig. 3 is an enlarged view of a in fig. 2 according to the present invention;

fig. 4 is a cross-sectional view of the connection between the swing support column and the connection seat in fig. 1 of the present invention;

fig. 5 is an enlarged view of B in fig. 4 according to the present invention;

in the figure: 1. a connecting rod; 2. a swing arm; 3. a rotating shaft; 4. mounting blocks; 5. swinging the supporting column; 6. a connecting seat; 7. sealing sleeves; 8. a sponge cushion; 9. a chute; 10. a slide bar; 11. fixing grooves; 12. a first spring; 13. buckling; 14. a fixing hole; 15. mounting grooves; 16. a rack; 17. a gear; 18. a rotating shaft; 19. a card slot; 20. a second spring; 21. a first connection hole; 22. and a second connection hole.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-5, the present invention provides a technical solution: a temperature-control fireproof door release device, which comprises a connecting rod 1, lubricated mechanism and reinforcing mechanism, the top surface of connecting rod 1 is provided with pivot 3, pivot 3 runs through connecting rod 1 and rotates with connecting rod 1 to be connected, lubricated mechanism is located the surface of pivot 3, lubricated mechanism is including installation piece 4, installation piece 4 is located the top surface of connecting rod 1, the top fixed surface of pivot 3 is connected with draw runner 10, spout 9 has been seted up on the top surface of installation piece 4, installation piece 4 passes through draw runner 10 and spout 9 sliding connection and pivot 3 swing joint, fixed slot 11 has been seted up on a side surface of draw runner 10, the inside of fixed slot 11 is provided with buckle 13, the first spring 12 of internal fixed surface fixedly connected with of fixed slot 11, buckle 13 is connected with fixed slot 11 through first spring 12, fixed orifices 14 has been seted up on a side surface of installation piece 4, buckle 13 runs through fixed orifices 14 and is connected with first spring 12.

In this embodiment, preferably, a swing arm 2 is disposed on a side surface of a connecting rod 1, a swing support post 5 is disposed on a top surface of the swing arm 2, a connecting seat 6 is fixedly connected to a top surface of the swing support post 2, the swing support post 5 penetrates through a side surface of the connecting seat 6, a side of the swing support post 5 is located inside the connecting seat 6, a reinforcing mechanism is located at a joint of the swing support post 5 and the connecting seat 6, the reinforcing mechanism includes a sealing sleeve 7, the sealing sleeve 7 is located on a side surface of the connecting seat 6, the connecting seat 6 penetrates through the sealing sleeve 7 and is connected to the swing arm 2, a mounting groove 15 is formed in the top surface of the connecting seat 6, a side of the swing support post 5 is located inside the mounting groove 15, a rack 16 is disposed inside the connecting seat 6, a gear 17 is engaged with one side of the rack 16 inside the, a clamping groove 19 is formed in the surface of the swing supporting column 5, one side of the rack 16 is located in the clamping groove 19, the connection between the swing arm 2 and the swing supporting column 5 is reinforced, and the stability of the device is improved.

This embodiment, it is preferred, second connecting hole 22 has been seted up to one side surface of spout 9, and buckle 13 runs through second connecting hole 22 and is connected with first spring 12, has ensured that buckle 13 can pop out the inside of fixed orifices 14, then can fix the top surface at connecting rod 1 with installation piece 4.

In this embodiment, preferably, the cross-sectional shapes of the sliding groove 9 and the sliding strip 10 are both in a shape like a Chinese character 'tu', the opening width of the sliding groove 9 is twice of one point of the width of the sliding strip 10, and the mounting and dismounting of the mounting block 4 are facilitated through the sliding motion between the sliding groove 9 and the sliding strip 10.

In this embodiment, it is preferable that the first springs 12 are provided in two sets, and the two sets of first springs 12 are connected to one side surface of the catch 13, so that the catch 13 has an elastic force pressing to one side and can be ejected out of the inside of the fixing hole 14.

In this embodiment, preferably, the second spring 20 is fixedly connected to the inner surface of the locking groove 19, and one end surface of the rack 16 abuts against one end surface of the second spring 20, so that the rack 16 can be ejected out of the locking groove 19 when the swing arm 2 needs to be disassembled at a later stage.

In this embodiment, preferably, a first connection hole 21 is formed in a side surface of the mounting groove 15, and the rack 16 penetrates through the first connection hole 21 and is engaged with the gear 17, so that the end of the rack 16 can be clamped into the clamping groove 19.

In this embodiment, preferably, the rack 16 penetrates through one side surface of the connecting seat 6, and one side of the rack 16 is located outside the connecting seat 6, so that an end of the rack 16 is pressed by the elastic force of the sealing sleeve 7, tightly clamped inside the clamping groove 19, and abutted against the second spring 20.

The utility model discloses a theory of operation and use flow: the device is when using, at first press buckle 13 to one side through the elastic force of first spring 12, make buckle 13 press into the inside of fixed slot 11, at this moment will install piece 4 and pass through spout 9 and slide to one side in the outside of draw runner 10 again, when sliding to suitable position, this moment buckle 13 will receive the effect of first spring 12 resilience and bounce to one side, make buckle 13 pop out the inside of fixed orifices 14, then can install installation piece 4 on the top of connecting rod 1, the foam-rubber cushion 8 that rethread installation piece 4 one side was installed contacts with the surface of pivot 3, when pivot 3 is rotating, make the inside lubricating oil of foam-rubber cushion 8 can lubricate 3 surperficial axles, and then the life of pivot 3 has been prolonged, the pivoted action of pivot 3 to swing arm 2 has been ensured, the work efficiency of device has been improved. When the device is used, firstly, the rack 16 is extruded towards one side, so that the rack 16 rotates through the gear 17 and the rotating shaft 18 and can move towards one side, the end part of the rack 16 is clamped into the clamping groove 19, one end surface of the rack 16 abuts against one end surface of the second spring 20, at the moment, the sealing sleeve 7 moves towards one side, the inner side of the sealing sleeve 7 is sleeved on the other end surface of the rack 16, then one end surface of the rack 16 can tightly abut against one end surface of the second spring 20, further, the joint of the swing support column 5 and the connecting seat 6 can be reinforced, and the stability of the device is improved.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a fire door release is prevented in control by temperature change, includes connecting rod (1), lubricated mechanism and strengthening mechanism, its characterized in that: the top end surface of the connecting rod (1) is provided with a rotating shaft (3), the rotating shaft (3) penetrates through the connecting rod (1) and is rotatably connected with the connecting rod (1), the lubricating mechanism is positioned on the surface of the rotating shaft (3), the lubricating mechanism comprises an installation block (4), the installation block (4) is positioned on the top end surface of the connecting rod (1), the top end surface of the rotating shaft (3) is fixedly connected with a slide bar (10), the top end surface of the installation block (4) is provided with a sliding groove (9), the installation block (4) is movably connected with the rotating shaft (3) through the sliding bar (10) and the sliding groove (9), one side surface of the slide bar (10) is provided with a fixed groove (11), a buckle (13) is arranged inside the fixed groove (11), the inner surface of the fixed groove (11) is fixedly connected with a first spring (12), and the buckle (13) is connected with the fixed groove (11) through the first spring (, a fixing hole (14) is formed in the surface of one side of the mounting block (4), and the buckle (13) penetrates through the fixing hole (14) and is connected with the first spring (12).

2. The temperature controlled fire door release device of claim 1, further comprising: the swing arm (2) is arranged on one side surface of the connecting rod (1), the swing support column (5) is arranged on the top end surface of the swing arm (2), the connecting seat (6) is fixedly connected to one side of the swing support column (5) on the top end surface of the swing arm (2), the swing support column (5) penetrates through one side surface of the connecting seat (6), one side of the swing support column (5) is located inside the connecting seat (6), the reinforcing mechanism is located at the joint of the swing support column (5) and the connecting seat (6), the reinforcing mechanism comprises a sealing sleeve (7), the sealing sleeve (7) is located on one side surface of the connecting seat (6), the connecting seat (6) penetrates through the sealing sleeve (7) and is connected with the swing arm (2), a mounting groove (15) is formed in the top end surface of the connecting seat (6), one side of the swing support column (5) is located, the connecting device is characterized in that a rack (16) is arranged inside the connecting seat (6), a gear (17) is meshed and connected to one side, located on the rack (16), of the inside of the connecting seat (6), a rotating shaft (18) is arranged at the rotating connection position of the gear (17) and the connecting seat (6), a clamping groove (19) is formed in the surface of the swinging supporting column (5), and one side of the rack (16) is located inside the clamping groove (19).

3. The temperature controlled fire door release device of claim 1, further comprising: a second connecting hole (22) is formed in the surface of one side of the sliding groove (9), and the buckle (13) penetrates through the second connecting hole (22) and is connected with the first spring (12).

4. The temperature controlled fire door release device of claim 1, further comprising: the cross-sectional shapes of the sliding groove (9) and the sliding strip (10) are both in a convex shape, and the opening width of the sliding groove (9) is twice of the width of the sliding strip (10).

5. The temperature controlled fire door release device of claim 1, further comprising: the first springs (12) are arranged in two groups, and the two groups of the first springs (12) are connected to one side surface of the buckle (13).

6. The temperature controlled fire door release device of claim 2, further comprising: and a second spring (20) is fixedly connected to the inner surface of the clamping groove (19), and one end surface of the rack (16) is propped against one end surface of the second spring (20).

7. The temperature controlled fire door release device of claim 2, further comprising: first connecting hole (21) have been seted up to one side surface of mounting groove (15), rack (16) run through first connecting hole (21) and be connected with gear (17) meshing.

8. The temperature controlled fire door release device of claim 2, further comprising: the rack (16) penetrates through the surface of one side of the connecting seat (6), and one side of the rack (16) is positioned outside the connecting seat (6).