CN212317791U - Fireproof heat-resistant wooden door - Google Patents

Abstract

The utility model discloses a heat-resisting timber of fire prevention relates to fire prevention timber technical field, and friction contact between the both ends of dodge gate and the door frame can lead to spraying paint and waxing grinding on dodge gate and the door frame under long-time the use for solving current heat-resisting timber of fire prevention, influences the pleasing to the eye problem with the performance of the heat-resisting timber of fire prevention door. The internally mounted of wall body has the door frame, the inside of door frame is provided with activity main door and location auxiliary door, and activity main door and location auxiliary door all rotate with the door frame through the hinge and be connected, be provided with the stainless steel doorknob on the preceding terminal surface of activity main door, the upper end and the lower extreme of activity main door all are provided with the recess, the inside of recess is provided with a plurality of and connects the roof, and connects the inner wall fixed connection of roof and recess, the lower extreme of connecting the roof is provided with the abutment sleeve, the inside of abutment sleeve is provided with the movable groove.

Description

Fireproof heat-resistant wooden door

Technical Field

The utility model relates to a fire prevention timber technical field specifically is a heat-resisting timber of fire prevention.

Background

The wooden fireproof door is a door with a door frame, a door leaf framework, a door leaf panel and a fireproof limit reaching the requirements of GB50045-95 high-rise civil building design fireproof standard. The fireproof door is one of fireproof separation facilities of buildings, is usually used on a fireproof wall, a staircase entrance and exit or an opening part of a pipe well and plays an important role in reducing fire loss, the fireproof wooden door is a plywood technical door, the best wood material is conifer species, the plywood is generally urea-formaldehyde five-plywood, the appearance of the fireproof wooden door is similar to that of the common plywood technical door, but the fireproof wooden door has higher requirements on materials.

The water content of the wood used by the fireproof wood door is very important to control, the door can keep a proper gap and operate normally without cracking, and meanwhile, the wood can be used after being subjected to flame retardant treatment.

The friction contact between the two ends of the movable door and the door frame of the existing fireproof heat-resistant wooden door can cause paint spraying and waxing grinding on the movable door and the door frame under the long-time use, and the attractiveness and the performance of the fireproof heat-resistant wooden door are influenced.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a heat-resisting timber of fire prevention to solve the current heat-resisting timber of fire prevention that proposes in the above-mentioned background art and the frictional contact between the both ends of dodge gate and the door frame can lead to spraying paint and waxing grinding on dodge gate and the door frame under long-time the use, influence the pleasing to the eye problem with the performance of the heat-resisting timber of fire door.

In order to achieve the above object, the utility model provides a following technical scheme: a fireproof heat-resistant wooden door comprises a wall body, wherein a door frame is installed inside the wall body, a movable main door and a positioning auxiliary door are arranged inside the door frame, the movable main door and the positioning auxiliary door are rotatably connected with the door frame through hinges, a stainless steel door handle is arranged on the front end face of the movable main door, grooves are formed in the upper end and the lower end of the movable main door, a plurality of connecting top plates are arranged inside the grooves, the connecting top plates are fixedly connected with the inner walls of the grooves, positioning sleeves are arranged at the lower ends of the connecting top plates, movable grooves are formed inside the positioning sleeves, roller brackets are arranged inside the movable grooves, the size of each roller bracket is equal to that of each movable groove, bearing grooves are formed in the lower ends of the roller brackets, driven rollers are arranged inside the bearing grooves, rotating shafts are arranged inside the driven rollers, and bearings are arranged on the inner walls of the two sides of the bearing groove, and the driven roller is rotatably connected with the bearings through a rotating shaft.

Preferably, a damping spring seat is arranged on the inner wall of the movable groove, a traction spring is installed at the lower end of the damping spring seat, one end of the traction spring is fixedly connected with the upper end of the roller bracket, and the vertical center line of the roller bracket coincides with the vertical center line of the traction spring.

Preferably, the driven rollers are provided with a plurality of driven rollers which are all located on the same horizontal line.

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

1. the utility model discloses a driven gyro wheel that sets up plays the effect of preventing that the activity main door from closing the time and the fricative door frame inner wall, when the activity main door was closed, the inside driven gyro wheel of activity main door upper end and lower extreme recess can roll with the outer wall contact of door frame, thereby the condition of activity main door and door frame direct friction contact has been avoided, overcome the current heat-resisting timber of fire prevention under long-time the use friction contact between the both ends of dodge gate and the door frame can lead to spraying paint and waxing grinding on dodge gate and the door frame, influence the pleasing to the eye problem with the performance of the heat-resisting timber of fire door.

2. The effect that the driven gyro wheel of being convenient for is flexible is played through the traction spring who sets up, when the complete closure of activity main door was closed, the gyro wheel bracket can be because the narrow and small space between activity main door and the door frame and be contracted to the inside in activity groove under traction spring's effect, make driven gyro wheel be taken back the inside of recess together, thereby the upper end of the activity main door that makes and the inner wall sealing contact of lower extreme and door frame, thereby reach under the condition that does not influence fire door leakproofness, the purpose that supplementary activity main door roll was opened and close.

Drawings

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

FIG. 2 is a schematic view of the movable main door of the present invention;

FIG. 3 is a schematic view of the internal structure of the groove of the present invention;

FIG. 4 is a schematic view of the structure of the driven roller of the present invention;

in the figure: 1. a wall body; 2. a door frame; 3. a movable main door; 4. positioning the auxiliary door; 5. a stainless steel door handle; 6. a driven roller; 7. a groove; 8. a roller bracket; 9. a bearing groove; 10. a bearing; 11. a rotating shaft; 12. a positioning sleeve; 13. connecting the top plate; 14. a movable groove; 15. a traction spring; 16. a damping spring seat.

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.

Referring to fig. 1-4, the present invention provides an embodiment: a fireproof heat-resistant wooden door comprises a wall body 1, a door frame 2 is installed inside the wall body 1, a movable main door 3 and a positioning auxiliary door 4 are arranged inside the door frame 2, the movable main door 3 and the positioning auxiliary door 4 are rotatably connected with the door frame 2 through hinges, a stainless steel door handle 5 is arranged on the front end face of the movable main door 3, grooves 7 are formed in the upper end and the lower end of the movable main door 3, a plurality of connecting top plates 13 are arranged inside the grooves 7, the connecting top plates 13 are fixedly connected with the inner walls of the grooves 7, positioning sleeves 12 are arranged at the lower ends of the connecting top plates 13, the grooves 7 formed in the upper end and the lower end of the movable main door 3 play a role of bearing driven rollers 6, the connecting top plates 13 arranged inside the grooves 7 play a role of connecting the auxiliary positioning sleeves 12 with the grooves 7, movable grooves 14 are formed inside the positioning sleeves 12, roller brackets 8 are arranged inside the movable grooves 14, and the size of gyro wheel bracket 8 equals with the size of activity groove 14, the activity groove 14 that the inside of position sleeve 12 set up plays the effect of the gyro wheel bracket 8 activity of being convenient for, the gyro wheel bracket 8 that the inside of activity groove 14 set up plays the effect of bearing driven roller 6, the lower extreme of gyro wheel bracket 8 is provided with bearing groove 9, the inside of bearing groove 9 is provided with driven roller 6, the inside of driven roller 6 is provided with pivot 11, all be provided with bearing 10 on the both sides inner wall of bearing groove 9, and driven roller 6 rotates with bearing 10 through pivot 11 and is connected, the bearing groove 9 that the lower extreme of gyro wheel bracket 8 set up plays the effect of holding driven roller 6, driven roller 6 that the inside of bearing groove 9 set up plays the effect with door frame 2 rolling contact.

Further, a damping spring seat 16 is arranged on the inner wall of the movable groove 14, a traction spring 15 is arranged at the lower end of the damping spring seat 16, one end of the traction spring 15 is fixedly connected with the upper end of the roller bracket 8, the vertical center line of the roller bracket 8 is overlapped with the vertical center line of the traction spring 15, the damping spring seat 16 arranged on the inner wall of the movable groove 14 plays a role in matching with a rope of the traction spring 15, and the traction spring 15 arranged at the lower end of the damping spring seat 16 plays a role in traction of the roller bracket 8.

Further, driven gyro wheel 6 is provided with a plurality of, and a plurality of driven gyro wheel 6 all is located same water flat line, and a plurality of driven gyro wheel 6 of setting plays supplementary movable main door 3 and the rolling effect of the 2 inner wall contact of door frame, and a plurality of driven gyro wheel 6 all is located same water flat line can be so that the rolling effect of contact is more perfect.

The working principle is as follows: when in use, the positioning auxiliary door 4 is in a locking state under normal conditions, and only the movable main door 3 needs to be opened and closed, when the movable main door 3 is closed, the driven rollers 6 inside the grooves 7 at the upper and lower ends of the movable main door 3 are contacted with the outer wall of the doorframe 2 to roll, thereby avoiding the situation that the movable main door 3 is in direct friction contact with the doorframe 2, when the movable main door 3 is completely closed, the roller bracket 8 is retracted into the interior of the movable slot 14 by the traction spring 15 due to the small space between the movable main door 3 and the door frame 2, so that the driven roller 6 is brought back into the interior of the groove 7 together, so that the upper end and the lower end of the movable main door 3 are in sealing contact with the inner wall of the doorframe 2, thereby achieving the aim that the sealing performance of the fireproof door is not influenced, the purpose of assisting the movable main door 3 to roll and open and close is achieved, and the anti-friction work of the fireproof heat-resistant wood door is completed.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention 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 (3)

1. The utility model provides a heat-resisting timber of fire prevention, includes wall body (1), its characterized in that: the wall body is characterized in that a door frame (2) is arranged inside the wall body (1), a movable main door (3) and a positioning auxiliary door (4) are arranged inside the door frame (2), the movable main door (3) and the positioning auxiliary door (4) are rotatably connected with the door frame (2) through hinges, a stainless steel door handle (5) is arranged on the front end face of the movable main door (3), grooves (7) are formed in the upper end and the lower end of the movable main door (3), a plurality of connecting top plates (13) are arranged inside the grooves (7), the connecting top plates (13) are fixedly connected with the inner walls of the grooves (7), a positioning sleeve (12) is arranged at the lower end of the connecting top plate (13), a movable groove (14) is arranged inside the positioning sleeve (12), a roller bracket (8) is arranged inside the movable groove (14), and the size of the roller bracket (8) is equal to that of the movable groove (14), the lower extreme of gyro wheel bracket (8) is provided with bearing groove (9), the inside of bearing groove (9) is provided with driven gyro wheel (6), the inside of driven gyro wheel (6) is provided with pivot (11), all be provided with bearing (10) on the both sides inner wall of bearing groove (9), and driven gyro wheel (6) rotate with bearing (10) through pivot (11) and be connected.

2. A fire and heat resistant wood door according to claim 1 wherein: the inner wall of the movable groove (14) is provided with a damping spring seat (16), the lower end of the damping spring seat (16) is provided with a traction spring (15), one end of the traction spring (15) is fixedly connected with the upper end of the roller bracket (8), and the vertical center line of the roller bracket (8) is coincided with the vertical center line of the traction spring (15).

3. A fire and heat resistant wood door according to claim 1 wherein: the driven rollers (6) are provided with a plurality of driven rollers (6), and the driven rollers (6) are all located on the same horizontal line.

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