Fireproof and soundproof door for underground powerhouse of pumped storage power station

Abstract

The utility model discloses a fire-proof and sound-proof door for an underground powerhouse of a pumped storage power station, which comprises a door body, a door frame and a door lock, a first multi-step surface is arranged on the outer ring of the door body, a second multi-step surface is arranged on the inner ring of the door frame, a plurality of hinges are arranged at the rotating joint of the door body and the door frame, and the door lock is arranged on one side, far away from the hinges, of the door body; the door lock comprises a door lock body arranged in the door body, an inner handle and an outer handle are arranged on the door lock body and located on the inner side and the outer side of the door body respectively, the outer handle rotates to drive the inner handle to rotate through the door lock body, a clamping assembly is arranged on the inner handle, and a sealing assembly is arranged at the joint of the door body and the door frame. And the sealing ring is arranged on the first multi-step surface and / or the second multi-step surface in a sealing manner. The connecting position of the door body and the door frame is of a double-step structural design, noise is effectively prevented from entering and exiting directly, the door lock is of a clamping type door lock structural design, the door body is tensioned forcibly, gaps are reduced, and the sound insulation and noise reduction effects are improved through cooperation of the sealing assembly.

Description

TECHNICAL FIELD

[0001] The utility model relates to fireproof soundproof door technical field, especially a kind of fireproof soundproof door of pumped storage power station underground powerhouse. BACKGROUND

[0002] In pumped storage power station underground powerhouse site, the noise of each area of water turbine generator is very big, average noise exceeds legal provision 85dB (A) or more, partial area can reach 120.dB (A), therefore must set up soundproof door at each access corridor entrance of pumped storage power station underground powerhouse, although soundproof door body can be made to have good sound insulation, heat insulation, fireproof effect by various materials, but because fire door leaf adopts ordinary plane design, cannot block sound from the gap between door body and door width leaks, and ordinary fire door locks door body by latch, the gap is larger after door body is closed, cannot reach sound insulation effect, service life is low.

[0003] Therefore, it is urgent to design a fireproof soundproof door for the noise characteristics of pumped storage power station underground powerhouse, by optimizing and designing the structure of door lock and the connection between door body and door frame, the connection between door body and door frame adopts double-step structure design, effectively prevents noise from straight in and straight out, at the same time, the door lock adopts clamping type door lock structure design, forcibly tightens the door body, reduces the gap, and greatly improves the sound insulation and noise reduction effect through the cooperation of sealing assembly. UTILITY MODEL CONTENT

[0004] To solve the above problems, the technical scheme adopted by the utility model is as follows:

[0005] A fireproof soundproof door for pumped storage power station underground powerhouse, comprising a door body, a door frame and a door lock, characterized in that the outer ring of the door body is provided with a first multi-step surface, the inner ring of the door frame is provided with a second multi-step surface matched with the first multi-step surface, a plurality of hinges are arranged at the rotating connection between the door body and the door frame, and the side of the door body away from the hinges is provided with a door lock.

[0006] The door lock comprises a door lock body arranged in the door body, an inner handle and an outer handle are arranged on the inner side and the outer side of the door lock body respectively, the outer handle rotates to drive the inner handle to rotate through the door lock body, a clamping assembly is arranged on the inner handle, and the clamping assembly is used to lock the door and forcibly tighten the door body and the door frame.

[0007] A sealing assembly is arranged at the connection between the door body and the door frame, and the sealing assembly is arranged on the first multi-step surface and / or the second multi-step surface.

[0008] Preferably, the clamping assembly comprises a lock rod and a lock seat, the lock seat is connected with the door frame, the lock seat is located at one side of the door lock, the lock seat is sequentially provided with an inclined surface and a clamping groove from bottom to top, the inclined surface is lifted towards the direction close to the clamping groove, one end of the lock rod is connected with the inside handle, the other end is a free end, the inside handle drives the free end of the lock rod to be clamped into or separated from the clamping groove.

[0009] Preferably, the free end of the lock rod is provided with a clamping head matched with the clamping groove, the clamping head is a cylindrical structure with wide middle and small two ends.

[0010] Preferably, the second multi-step surface of the door frame is provided with a mounting groove at the position corresponding to the hinge, and the hinge is arranged in the mounting groove.

[0011] Preferably, one leaf of the hinge is a straight plate structure connected with the mounting groove, and the other leaf is a multi-step structure matched with the first multi-step surface.

[0012] Preferably, the sealing assembly comprises a plurality of sealing strips, the first multi-step surface comprises a vertical step surface perpendicular to the door frame and a parallel step surface parallel to the door frame, and the plurality of sealing strips are arranged on the parallel step surfaces at different positions.

[0013] Preferably, the door body is provided with an observation window.

[0014] Preferably, the observation window is provided with a plurality of layers of sound insulation glass, the plurality of layers of sound insulation glass comprises double-layered laminated glass and fireproof tempered glass, the fireproof tempered glass is located at the side of the double-layered laminated glass close to the inside of the door body, and a vacuum layer is arranged between the fireproof tempered glass and the double-layered laminated glass.

[0015] Preferably, the surface of the door body is a galvanized steel with fireproof performance, and a composite acoustic package for sound absorption and sound insulation is arranged in the inside.

[0016] Compared with the prior art, the utility model has the beneficial effects that:

[0017] The utility model discloses a door lock and a door body and a door frame are connected and cooperated, the door body and the door frame are connected and cooperated with double-step structure design, the noise is prevented directly in and out, the door lock adopts the clamping type door lock structure design, the door body is forced to be pulled tight, the gap is reduced, and the sealing assembly is matched, and the sound insulation and noise reduction effect is greatly improved. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 It is the front view of the utility model;

[0019] Figure 2 It is Figure 1 It is the structure schematic view of A-A section;

[0020] Figure 3 is a perspective view of the utility model;

[0021] Figure 4 is Figure 3 is a partial enlarged view of B in the middle;

[0022] Wherein: door body 1, door frame 2, door lock 3, hinge 3, clamping assembly 4, sealing assembly 5, chuck piece 6, observation window 7, double-layer laminated glass 8, fireproof tempered glass 9, first multi-step surface 11, second multi-step surface 21, door lock body 31, inner handle 32, outer handle 33, lock rod 41, sealing strip 51, inclined surface 421, clamping groove 422, mounting groove 21a. DETAILED DESCRIPTION

[0023] In order to facilitate the understanding of the utility model, the utility model will be described more fully below with reference to the relevant drawings. The preferred embodiments of the utility model are shown in the drawings. However, the utility model can be realized in many different forms and is not limited to the embodiments described herein. On the contrary, the purpose of providing these embodiments is to make the disclosure of the utility model more thorough and comprehensive.

[0024] It should be noted that when an element is referred to as being "fixed" to another element, it can be directly on the other element or there can be an intervening element. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or there can be an intervening element. The terms "vertical", "horizontal", "left", "right", "upper", "lower", "front", "back" and similar expressions used herein are for illustrative purposes only.

[0025] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which the utility model belongs. The terminology used in the description of the utility model herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model. As used herein, the term "and / or" includes any and all combinations of one or more of the associated listed items.

[0026] The utility model will be further described below in conjunction with the drawings and specific embodiments:

[0027] As Figures 1-4 shown, a fireproof soundproof door for underground powerhouse of pumped storage power station, including door body 1, door frame 2 and door lock 3, the outer circle of door body 1 is provided with first multi-step surface 11, the inner circle of door frame 2 is provided with second multi-step surface 21 matched with first multi-step surface 11, door body 1 and door frame 2 rotating joint are provided with a plurality of hinges 3, the side of door body 1 away from hinge 3 is provided with door lock 3.

[0028] The door lock 3 comprises a door lock body 31 arranged in the door body 1, the door lock body 31 is arranged with an inner handle 32 and an outer handle 33 on the inner side and the outer side of the door body 1 respectively, the outer handle 33 rotates to drive the inner handle 32 to rotate through the door lock body 31, the inner handle 32 is arranged with a clamping assembly 4, the clamping assembly 4 is used for locking the door while forcibly tightening the door body 1 and the door frame 2 to fit closely;

[0029] The door body 1 and the door frame 2 are arranged with a sealing assembly 5 at the connecting position, the sealing assembly is arranged on the first multi-step surface 11 and / or the second multi-step surface 21.

[0030] In this embodiment, by optimizing and designing the door lock 3 and the connecting structure of the door body 1 and the door frame 2, the connecting position of the door body 1 and the door frame 2 adopts a double-step structure design, which effectively prevents noise from directly entering and directly exiting, at the same time, the door lock 3 adopts a clamping type door lock 3 structure design, which locks the door while forcibly tightening the door body 1 and the door frame 2 to fit closely, reduces the gap between the first multi-step surface 11 and the second multi-step surface 21, and arranges a sealing member on the first multi-step surface 11 and the second multi-step surface 21, which greatly improves the sound insulation and noise reduction effect.

[0031] Further, as shown in the figure, Figures 1-4 The clamping assembly 4 comprises a lock rod 41 and a lock seat 42, the lock seat 42 is connected with the door frame 2, the lock seat 42 is located on one side of the door lock 3, the lock seat 42 is sequentially arranged with an inclined surface 421 and a clamping groove 422 from bottom to top, the inclined surface 421 is lifted towards the clamping groove 422, one end of the lock rod 41 is connected with the inner handle 32, and the other end is a free end, the inner handle 32 rotates to drive the free end of the lock rod 41 to be clamped into or separated from the clamping groove 422.

[0032] In this embodiment, when the door body 1 is closed, the operator rotates the outer handle 33 counterclockwise, the inner handle 32 rotates to drive the free end of the lock rod 41 to move towards the clamping groove 422 of the lock seat 42, when the free end passes through the inclined surface 421, the door body 1 is forcibly tightened under the influence of the inclined surface 421, and when the free end is clamped into the clamping groove 422, the door body 1 is locked, so as to realize the door locking while forcibly tightening the door body 1 and the door frame 2 to fit closely, greatly reducing the gap between the first multi-step surface 11 and the second multi-step surface 21.

[0033] Further, as shown in the figure, Figures 1-4 In order to improve the forced clamping effect on the door body 1 when locking the door, the free end of the lock rod 41 is arranged with a clamping head member 6 matched with the clamping groove 422, the clamping head member 6 is a cylindrical structure with wide middle and small both ends.

[0034] Further, as shown in the figure, Figures 1-4As shown, the second multi-step surface 21 of the door frame 2 is provided with an installation groove 21a at a position corresponding to the hinge 3.

[0035] In this embodiment, the structure design of the hidden hinge 3 not only improves the appearance of the door, but also makes the connection more secure.

[0036] Further, as shown in the drawings, in order to improve the connection reliability and stability of the multi-step surface structure door body 1 and the door frame 2, one of the pages of the hinge 3 is a straight plate structure connected with the installation groove 21a, and the other page is a multi-step structure connected with the first multi-step surface 11. Figures 1-4

[0037] Further, as shown in the drawings, in order to improve the sealing performance when the first multi-step surface 11 is connected with the second multi-step surface 21, so as to improve the sound insulation effect, the sealing assembly 5 includes a plurality of sealing strips 51, the first multi-step surface 11 includes a vertical step surface perpendicular to the door frame 2 and a parallel step surface parallel to the door frame 2, and the plurality of sealing strips 51 are arranged on the parallel step surfaces at different positions. Figures 1-4

[0038] Further, as shown in the drawings, in order to facilitate the intuitive observation of the underground powerhouse of the pumped storage power station after locking the door, the door body 1 is provided with an observation window 7. Figures 1-4 Further, as shown in the drawings, in order to improve the fireproof and soundproof performance of the observation window 7, the observation window 7 is provided with a plurality of layers of soundproof glass, the plurality of layers of soundproof glass include double-layered laminated glass 8 and fireproof tempered glass 9, the fireproof tempered glass 9 is located on the side of the double-layered laminated glass 8 close to the inside of the door body 1, and a vacuum layer is arranged between the fireproof tempered glass 9 and the double-layered laminated glass 8.

[0039] Figures 1-4 Further, in order to improve the fireproof and soundproof performance of the door body 1, the surface of the door body 1 is a galvanized steel with fireproof performance (not shown in the drawings), and a composite acoustic package (not shown in the drawings) for sound absorption and sound insulation is arranged inside the door body 1, the composite acoustic package includes sound insulation materials and sound absorption materials meeting the fireproof requirements.

[0040] Further, in order to improve the fireproof and soundproof performance of the door body 1, the surface of the door body 1 is a galvanized steel with fireproof performance (not shown in the drawings), and a composite acoustic package (not shown in the drawings) for sound absorption and sound insulation is arranged inside the door body 1, the composite acoustic package includes sound insulation materials and sound absorption materials meeting the fireproof requirements.

[0041] For those skilled in the art, various corresponding changes and modifications can be made to the above-described technical solutions and concepts, and all these changes and modifications should be within the protection scope of the present utility model patent claim.​​​

Claims

1. A fireproof and soundproof door for underground powerhouse of pumped storage power station, comprising a door body, a door frame and a door lock, characterized in that, The outer ring of the door body is provided with a first multi-step surface, the inner ring of the door frame is provided with a second multi-step surface matched with the first multi-step surface, a plurality of hinges are arranged at the rotating connection between the door body and the door frame, and the side of the door body away from the hinges is provided with a door lock. The door lock comprises a door lock body arranged in the door body, an inner handle and an outer handle are arranged on the inner side and the outer side of the door lock body respectively, the outer handle rotates to drive the inner handle to rotate through the door lock body, a clamping assembly is arranged on the inner handle, and the clamping assembly is used for locking the door and forcibly tightening the door body and the door frame to be closely matched. A sealing assembly is arranged at the connection between the door body and the door frame, and the sealing assembly is arranged on the first multi-step surface and / or the second multi-step surface.

2. The fireproof and soundproof door for underground powerhouse of pumped storage power station according to claim 1, characterized in that, The clamping assembly comprises a lock rod and a lock seat, the lock seat is connected with the door frame, the lock seat is arranged on one side of the door lock, the lock seat is sequentially provided with an inclined surface and a clamping groove from bottom to top, the inclined surface is lifted towards the clamping groove, one end of the lock rod is connected with the inner handle, and the other end is a free end, the inner handle rotates to drive the free end of the lock rod to be clamped into or separated from the clamping groove.

3. The fireproof and soundproof door for underground powerhouse of pumped storage power station according to claim 2, characterized in that, The free end of the lock rod is provided with a clamping head matched with the clamping groove, and the clamping head is a cylindrical structure with wide middle and small ends.

4. The fireproof and soundproof door for underground powerhouse of pumped storage power station according to claim 1, characterized in that, The second multi-step surface of the door frame is provided with a mounting groove at a position corresponding to the hinge, and the hinge is arranged in the mounting groove.

5. A fireproof soundproof door for a pumped storage power station underground powerhouse according to claim 4, characterized in that, One of the hinge leaves is a straight plate structure connected with the mounting groove, and the other hinge leaf is a multi-step structure matched with the first multi-step surface.

6. The fireproof and soundproof door for underground powerhouse of pumped storage power station according to claim 1, characterized in that, The sealing assembly comprises a plurality of sealing strips, the first multi-step surface comprises a vertical step surface perpendicular to the door frame and a parallel step surface parallel to the door frame, and the plurality of sealing strips are arranged on the parallel step surfaces at different positions.

7. The fireproof and soundproof door for underground powerhouse of pumped storage power station according to claim 1, characterized in that, An observation window is arranged on the door body.

8. A fireproof soundproof door for a pumped storage power plant underground powerhouse according to claim 7, characterized in that, A plurality of layers of sound insulation glass are arranged in the observation window, the sound insulation glass comprises double-layered laminated glass and fireproof tempered glass, the fireproof tempered glass is arranged on the side of the double-layered laminated glass close to the inside of the door body, and a vacuum layer is arranged between the fireproof tempered glass and the double-layered laminated glass.

9. The fireproof soundproof door for underground powerhouse of pumped storage power station according to claim 1, characterized in that, The surface of the door body is a galvanized steel with fireproof performance, and a composite acoustic package for sound absorption and sound insulation is arranged inside the door body.

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