CN218439044U

CN218439044U - Convenient people's air defense door that opens and shuts

Info

Publication number: CN218439044U
Application number: CN202221644075.XU
Authority: CN
Inventors: 吴湘辉; 唐阳平; 唐建
Original assignee: Hunan Baidun Civil Air Defense Engineering Protective Equipment Co ltd
Current assignee: Hunan Baidun Civil Air Defense Engineering Protective Equipment Co ltd
Priority date: 2022-06-29
Filing date: 2022-06-29
Publication date: 2023-02-03
Anticipated expiration: 2032-06-29

Abstract

The utility model discloses a convenient people's air defense door that opens and shuts, include: the door plate and the hinged seat, the connecting block is installed on the side face of the door plate, the connecting block is provided with the connecting pin in an inserting mode at the middle positions of the lower clamping plate and the upper clamping plate, and the rolling supporting structure is installed between the lower clamping plate and the connecting block. The middle door plate of the utility model can drive the roller sleeves to rotate simultaneously through the connecting block, and the side balls and the lower balls roll relative to the base, so that the opening and closing are labor-saving, the lower ends of the upper balls are butted with the upper end surface of the connecting block, and when the door plate is opened and closed, rolling friction is provided between the connecting block and the upper clamping plate, and the opening and closing are convenient; when needs are fixed to the door plant temporarily, can upwards rotate the shell fragment, elasticity through the shell fragment makes the rubber pad paste the outer wall of tight rolling sleeve, and then provides the resistance for the rotation of door plant, can accomplish fast and fix convenient operation.

Description

Convenient people's air defense door that opens and shuts

Technical Field

The utility model relates to a people's air defense door technical field specifically is a people's air defense door that conveniently opens and shuts.

Background

The people's air defense door is the door of people's protection engineering access & exit, and people's air defense door leaf weight itself is very heavy, and meanwhile, the lower extreme at last articulated seat is directly contradicted with the junction of hinge page seat to make the door leaf open the in-process door leaf of closing and have very big frictional force between the lower extreme of articulated seat, lead to opening and shutting hard, it is inconvenient to use.

SUMMERY OF THE UTILITY MODEL

In view of the problems in the prior art, the present invention aims to provide a civil air defense door which is convenient to open and close. In order to realize the purpose of the utility model, the utility model adopts the following technical scheme:

a civil air defense door that conveniently opens and shuts, includes: the door plate and the hinged seat, the side-mounting of door plate has the connecting block, hinged seat includes cardboard and last cardboard down, the connecting block suit is in down between cardboard and the last cardboard, the connecting block cardboard is installed with last cardboard intermediate position grafting down, install the roll bearing structure down between cardboard and the connecting block, the roll bearing structure can convert the frictional force between connecting block and the door plate into rolling friction, the convenient opening and shutting.

As a preferred scheme of the utility model, the arc wall has been seted up on the lower terminal surface of last cardboard, install a plurality of balls of going up in the arc wall, the lower extreme of going up the ball is inconsistent with the up end of connecting block, when the door plant is opened and shut, provides rolling friction between connecting block and the last cardboard.

As a preferred scheme of the utility model, the spacing groove has been seted up on the lower terminal surface of connecting block, the bearing structure that rolls cup joints and installs the spacing inslot, the spacing groove is used for spacing the bearing structure that rolls, improves the fastness of connecting.

As a preferred scheme of the utility model, the roll bearing structure includes base and roller, the base bonds the up end of cardboard down, the roller suit is in on the base, the roller with the side ball is installed in the cooperation between the side of base, the inner chamber upper wall of roller with the ball is installed down in the cooperation between the up end of base, when the door plant is opened and shut, drives the roller and rotates and rely on the side ball and roll for the base down with the ball, makes to open and shut laborsavingly.

As the utility model discloses a preferred scheme, the outside of roller is provided with the external screw thread, the internal thread has been seted up in the spacing inslot, the roller passes through the external screw thread and installs at the spacing inslot with interior screw thread, makes the roller fix at the spacing inslot through threaded connection, can make roller and connecting block rotate in step.

As a preferred scheme of the utility model, the side-mounting of cardboard has the support column down, it installs the shell fragment to rotate on the support column, install the rubber pad on the left surface of shell fragment, but the elastic force through the shell fragment makes the rubber pad paste the outer wall of tight rolling sleeve, and then provides the resistance for the rotation of door plant for interim fixed door plant.

Due to the adoption of the technical scheme, the utility model discloses following beneficial effect has:

the middle door plate can drive the roller sleeves to rotate simultaneously through the connecting block, and the side balls and the lower balls roll relative to the base, so that the opening and closing are labor-saving, the lower ends of the upper balls are abutted to the upper end face of the connecting block, and when the door plate is opened and closed, rolling friction is provided between the connecting block and the upper clamping plate, and the opening and closing are facilitated; when needs are fixed to the door plant temporarily, can upwards rotate the shell fragment, elasticity through the shell fragment makes the rubber pad paste the outer wall of tight rolling sleeve, and then provides the resistance for the rotation of door plant, can accomplish fast and fix convenient operation.

Drawings

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

fig. 2 is a cross-sectional view of the rolling support structure of the present invention;

fig. 3 is a schematic view of the rolling support structure of the present invention.

In the figure: 1. a door panel; 101. connecting blocks; 102. a limiting groove; 103. an internal thread; 2. a hinged seat; 201. a lower clamping plate; 202. an upper clamping plate; 3. a connecting pin; 4. a rolling support structure; 401. a base; 402. rolling; 403. a side ball; 404. a lower ball; 405. an external thread; 5. upper rolling balls; 6. a support pillar; 7. a spring plate; 8. a rubber cushion.

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.

Example 1

As shown in fig. 1 to fig. 3, a specific embodiment of convenient people's air defense door who opens and shuts, include: door plant 1 and articulated seat 2, the side-mounting of door plant 1 has connecting block 101, its characterized in that: articulated seat 2 includes cardboard 201 and last cardboard 202 down, connecting block 101 suit is under between cardboard 201 and last cardboard 202, connecting block 101, cardboard 201 and last cardboard 202 intermediate position grafting install connecting pin 3 down, install roll bearing structure 4 down between cardboard 201 and the connecting block 101, roll bearing structure 4 can convert the frictional force between connecting block 101 and the door plant 1 into rolling friction, the convenient opening and shutting.

The arc wall has been seted up on the lower terminal surface of going up cardboard 202, installs a plurality of last balls 5 in the arc wall, and the lower extreme of going up balls 5 is inconsistent with the up end of connecting block 101, when door plant 1 opens and shuts, for providing rolling friction between connecting block 101 and the last cardboard 202, the convenience is opened and shut.

The lower end face of the connecting block 101 is provided with a limiting groove 102, the rolling support structure 4 is installed in the limiting groove 102 in a sleeved mode, the limiting groove 102 is used for limiting the rolling support structure 4, and connection firmness is improved.

The rolling support structure 4 comprises a base 401 and a rolling sleeve 402, the base 401 is bonded on the upper end face of the lower clamping plate 201, the rolling sleeve 402 is sleeved on the base 401, a side ball 403 is installed between the side faces of the rolling sleeve 402 and the base 401 in a matched mode, a lower ball 404 is installed between the upper wall of an inner cavity of the rolling sleeve 402 and the upper end face of the base 401 in a matched mode, when the door plate 1 is opened and closed, the rolling sleeve 402 is driven to rotate, the side ball 403 and the lower ball 404 roll relative to the base 401, and opening and closing are labor-saving.

The outer side of the roller 402 is provided with an external thread 405, an internal thread 103 is arranged in the limiting groove 102, the roller 402 is installed in the limiting groove 102 through the external thread 405 and the internal thread 103, the roller 402 is fixed in the limiting groove 102 through threaded connection, and the roller 402 and the connecting block 101 can rotate synchronously.

The side-mounting of lower cardboard 201 has support column 6, rotates on support column 6 and installs shell fragment 7, installs rubber pad 8 on the left surface of shell fragment 7, can upwards rotate shell fragment 7, and elasticity through the shell fragment makes rubber pad 8 paste the outer wall of tight rolling sleeve 402, and then provides the resistance for door plant 1's rotation for interim fixed door plant 1.

The utility model discloses a theory of operation: when the civil air defense door needs to be opened and closed, the door plate 1 is rotated, the door plate 1 can drive the roller sleeve 402 to rotate simultaneously through the connecting block 101, the rolling is carried out relative to the base 401 by virtue of the side balls 403 and the lower balls 404, the opening and closing are labor-saving, the lower end of the upper ball 5 is abutted against the upper end face of the connecting block 101, and when the door plate 1 is opened and closed, rolling friction is provided between the connecting block 101 and the upper clamping plate 202, so that the opening and closing are convenient; when the door panel 1 needs to be temporarily fixed, the elastic sheet 7 can be rotated upwards, and the rubber pad 8 is tightly attached to the outer wall of the rolling sleeve 402 through the elasticity of the elastic sheet 7, so that resistance is provided for the rotation of the door panel 1; the roller 402 is fixed in the limiting groove 102 through threaded connection, so that the roller 402 and the connecting block 101 can rotate synchronously, and the roller 402 and the rolling support structure 4 can be replaced and installed together quickly when the door panel 1 is installed or replaced.

Components not described in detail herein are prior art.

Although the specific embodiments of the present invention have been described in detail, the present invention is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present invention within the knowledge range of those skilled in the art, and modifications or variations that do not have creative work are still within the scope of the present invention.

Claims

1. A civil air defense door that facilitates opening and closing, comprising: door plant (1) and articulated seat (2), the side-mounting of door plant (1) has connecting block (101), its characterized in that: articulated seat (2) are including cardboard (201) and last cardboard (202) down, connecting block (101) suit is in down between cardboard (201) and last cardboard (202), connecting block (101) down cardboard (201) and last cardboard (202) intermediate position are pegged graft and are installed connecting pin (3), install roll bearing structure (4) down between cardboard (201) and connecting block (101).

2. The people's air defense door that conveniently opens and shuts of claim 1, its characterized in that: an arc-shaped groove is formed in the lower end face of the upper clamping plate (202), a plurality of upper balls (5) are mounted in the arc-shaped groove, and the lower ends of the upper balls (5) are abutted to the upper end face of the connecting block (101).

3. The convenient people's air defense door that opens and shuts of claim 2, its characterized in that: a limiting groove (102) is formed in the lower end face of the connecting block (101), and the rolling supporting structure (4) is installed in the limiting groove (102) in a sleeved mode.

4. The people's air defense door that conveniently opens and shuts of claim 3, its characterized in that: the rolling support structure (4) comprises a base (401) and a rolling sleeve (402), the base (401) is bonded on the upper end face of the lower clamping plate (201), the rolling sleeve (402) is sleeved on the base (401), side balls (403) are installed between the rolling sleeve (402) and the side face of the base (401) in a matched mode, and lower balls (404) are installed between the upper wall of an inner cavity of the rolling sleeve (402) and the upper end face of the base (401) in a matched mode.

5. The people's air defense door that conveniently opens and shuts of claim 4, characterized in that: the outer side of the roller (402) is provided with an external thread (405), an internal thread (103) is arranged in the limiting groove (102), and the roller (402) is installed in the limiting groove (102) through the external thread (405) and the internal thread (103).

6. The people's air defense door that conveniently opens and shuts of claim 5, its characterized in that: the side mounting of lower cardboard (201) has support column (6), rotate on support column (6) and install shell fragment (7), install rubber pad (8) on the left surface of shell fragment (7).