Explosion-proof inner screw electric window opener for dust environment

Abstract

The utility model relates to the technical field of electric window openers, and discloses an explosion-proof inner screw electric window opener aiming at a dust environment, which comprises a casing, a driving motor is arranged in the casing, the output end of the driving motor is fixedly connected with a threaded rod, the outer wall of the threaded rod is provided with a push rod, and the push rod is fixedly connected with the casing. A movable groove is formed in the bottom end of the push rod, and a mounting block is fixedly connected to the top end of the push rod. According to the anti-explosion inner-screw electric window opener for the dust environment, through the arrangement of an anti-explosion structure and a dustproof telescopic pipe, when the electric window opener is used in the dust environment, the dustproof telescopic pipe can protect a push rod exposed on the outer wall of the machine shell, and meanwhile through mutual cooperation of a sealing ring, a sealing supporting piece, a first sealing piece and a second sealing piece, the anti-explosion inner-screw electric window opener is convenient to use. The through hole in the top end of the machine shell and the push rod can be sealed, the explosion-proof effect can be effectively enhanced, and the explosion-proof device can better adapt to places with explosive gas or combustible explosive dust.

Description

Technical Field

[0001] The utility model relates to the technical field of electric window openers, in particular to an explosion-proof inner screw electric window opener for dusty environments. Background Art

[0002] With the development of society, windows in some special places, such as smoke exhaust and ventilation and lighting windows in chemical plants, are not suitable for ordinary electric window openers because chemical plants will produce a large amount of flammable and explosive gases or flammable and explosive dust during production. In order to meet the ventilation and fire protection needs of these places, we have proposed an explosion-proof inner screw electric window opener for dust environments to solve the above problems. Utility Model Content

[0003] In view of the deficiencies in the prior art, the present invention provides an explosion-proof inner screw electric window opener for dusty environments, which solves the problems mentioned in the background technology.

[0004] The technical solution adopted by the utility model to solve its technical problems is: an explosion-proof internal screw electric window opener for dust environments, comprising a casing, a driving motor installed inside the casing, an output end of the driving motor fixedly connected to a threaded rod, an outer wall of the threaded rod is provided with a push rod, the bottom end of the push rod is provided with a movable groove, the top end of the push rod is fixedly connected to a mounting block, a limiting component is provided on the outer wall of the threaded rod, a through hole is provided inside the top end of the casing, an explosion-proof structure is provided inside the top end of the casing, a dust-proof telescopic tube is fixedly installed on the top end of the casing, the top inner wall of the dust-proof telescopic tube is fixedly connected to the top outer wall of the push rod, and a threaded groove is provided inside the bottom end of the casing.

[0005] Furthermore, the limiting assembly includes a sliding block, a connecting piece, a limiting hole and a limiting rod. The internal thread of the sliding block is connected to the outer wall of the threaded rod. The left and right outer walls of the sliding block are fixedly connected with connecting pieces. A limiting hole is opened inside the connecting piece. The internal part of the limiting hole is movably connected to the limiting rod. The top of the limiting rod is fixedly connected to the top of the inner wall of the casing.

[0006] Furthermore, the explosion-proof structure includes an annular groove, a sealing ring, an annular cavity, a connecting hole, a sealing support, a resisting spring 1, a resisting spring 2, a sealing member 1 and a sealing member 2. The annular groove is opened inside the casing, a sealing ring is movably installed inside the annular groove, an annular cavity is opened in the sealing ring, a connecting hole is opened inside the sealing ring near the annular cavity, a sealing support is installed inside the annular cavity, the lower surface of the sealing ring is fixedly connected to the resisting spring 1, the bottom end of the resisting spring 1 is fixedly connected to the bottom end of the inner wall of the annular groove, the upper surface of the sealing ring is fixedly connected to the resisting spring 2, the top end of the resisting spring 2 is fixedly connected to the top end of the inner wall of the annular groove, the upper surface of the sealing ring is fixedly connected to the sealing member 1, and the lower surface of the sealing ring is fixedly connected to the sealing member 2.

[0007] Furthermore, a movable plug is movably connected to the bottom end of the casing, and a second thread groove is provided on the outer wall of the movable plug. The outer wall of the movable plug is threadably connected to the inside of the first thread groove through the second thread groove.

[0008] Furthermore, the interior of the annular groove is connected to the interior of the through hole, the outer walls of the sealing member 1 and the sealing member 2 are movably connected between the through hole and the push rod, and the interior of the sealing ring is movably connected to the outer wall of the push rod.

[0009] Furthermore, the driving motor is mounted on the upper surface of the movable plug, a threaded rod is movably connected inside the movable groove, and the bottom end of the push rod is in contact with the upper surface of the sliding block.

[0010] The beneficial effects of the utility model are:

[0011] 1. This explosion-proof internal screw electric window opener for dusty environments has an explosion-proof structure and a dust-proof telescopic tube. When the electric window opener is used in a dusty environment, the dust-proof telescopic tube can protect the push rod exposed to the outer wall of the casing. At the same time, through the mutual cooperation of the sealing ring, the sealing support, the seal one and the seal two, the through hole in the top of the casing and the push rod can be sealed, which can effectively enhance its explosion-proof effect and better adapt to places with explosive gases or combustible and explosive dust.

[0012] 2. The explosion-proof internal screw electric window opener for dusty environments is equipped with a thread groove 1, a movable plug, a thread groove 2, a connecting piece, a limit hole and a push rod. When the internal screw electric window opener needs to be disassembled, the movable plug is rotated to separate the movable plug from the bottom end of the casing, and then the drive motor, the threaded rod sliding block and the connecting piece are taken out. The operation is simple and easy to use. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the following briefly introduces the drawings required for describing the embodiments or the prior art.

[0014] Figure 1 This is a schematic diagram of the structure of the utility model;

[0015] Figure 2 This is a cross-sectional view of the structure of the utility model;

[0016] Figure 3 This is a cross-sectional view of the push rod structure of the utility model;

[0017] Figure 4 For this utility model Figure 3 A schematic diagram of the structure at center A;

[0018] Figure 5 This is a schematic diagram of the explosion-proof structure of the utility model.

[0019] Explanation of the accompanying drawings: 1. Casing; 2. Driving motor; 3. Threaded rod; 4. Push rod; 5. Movable groove; 6. Mounting block; 7. Limiting assembly; 71. Sliding block; 72. Connecting piece; 73. Limiting hole; 74. Limiting rod; 8. Through hole; 9. Explosion-proof structure; 91. Annular groove; 92. Sealing ring; 93. Annular cavity; 94. Connecting hole; 95. Sealing support; 96. Resisting spring 1; 97. Resisting spring 2; 98. Seal 1; 99. Seal 2; 10. Dust-proof telescopic tube; 11. Threaded groove 1; 12. Movable plug; 13. Threaded groove 2. DETAILED DESCRIPTION

[0020] The technical solutions in the embodiments of the present invention will be described clearly and completely below with reference to the accompanying drawings in the embodiments of the present invention.

[0021] See also Figure 1-5 A kind of explosion-proof internal screw electric window opener for dust environment, includes a casing 1, a driving motor 2 is installed inside the casing 1, the output end of the driving motor 2 is fixedly connected to the threaded rod 3, the outer wall of the threaded rod 3 is provided with a push rod 4, the bottom end of the push rod 4 is provided with a movable groove 5, the top of the push rod 4 is fixedly connected with a mounting block 6, the outer wall of the threaded rod 3 is provided with a limiting component 7, a through hole 8 is provided inside the top of the casing 1, an explosion-proof structure 9 is provided inside the top of the casing 1, a dust-proof telescopic tube 10 is fixedly installed on the top of the casing 1, the top inner wall of the dust-proof telescopic tube 10 is fixedly connected to the top outer wall of the push rod 4, and a threaded groove 11 is provided inside the bottom end of the casing 1.

[0022] The limiting assembly 7 includes a sliding block 71, a connecting piece 72, a limiting hole 73 and a limiting rod 74. The internal thread of the sliding block 71 is connected to the outer wall of the threaded rod 3. The left and right outer walls of the sliding block 71 are fixedly connected with the connecting piece 72. The limiting hole 73 is provided inside the connecting piece 72. The limiting hole 73 is movably connected to the limiting rod 74 inside. The top of the limiting rod 74 is fixedly connected to the top of the inner wall of the casing 1.

[0023] The explosion-proof structure 9 includes an annular groove 91, a sealing ring 92, an annular cavity 93, a connecting hole 94, a sealing support 95, a resisting spring 1 96, a resisting spring 2 97, a sealing member 1 98 and a sealing member 2 99. The annular groove 91 is provided inside the housing 1. A sealing ring 92 is movably installed inside the annular groove 91. An annular cavity 93 is provided inside the sealing ring 92. A connecting hole 94 is provided inside the sealing ring 92 near the annular cavity 93. A sealing support 95 is installed inside the annular cavity 93. A resisting spring 1 96 is fixedly connected to the lower surface of the sealing ring 92. The bottom end of the resisting spring 1 96 is fixedly connected to the bottom end of the inner wall of the annular groove 91. The upper surface of the sealing ring 92 is fixedly connected to the resisting spring 2 9 7. The top of the resisting spring 2 97 is fixedly connected to the top of the inner wall of the annular groove 91, the upper surface of the sealing ring 92 is fixedly connected with the sealing member 1 98, and the lower surface of the sealing ring 92 is fixedly connected with the sealing member 2 99; through the setting of the explosion-proof structure 9 and the dust-proof telescopic tube 10, when the electric window opener is used in a dusty environment, the dust-proof telescopic tube 10 can protect the push rod 4 exposed to the outer wall of the casing 1, and at the same time, through the mutual cooperation of the sealing ring 92, the sealing support 95, the sealing member 1 98 and the sealing member 2 99, the through hole 8 in the top of the casing 1 and the push rod 4 can be sealed, which can effectively enhance its explosion-proof effect and better adapt to places with explosive gases or combustible and explosive dust.

[0024] A movable plug 12 is movably connected to the bottom end of the casing 1, and a thread groove 2 13 is provided on the outer wall of the movable plug 12. The outer wall of the movable plug 12 is threadedly connected to the inside of the thread groove 1 1 through the thread groove 2 13; through the arrangement of the thread groove 1 11, the movable plug 12, the thread groove 2 13, the connecting piece 73, the limiting hole 73 and the push rod 4, when the inner screw electric window opener needs to be disassembled, the movable plug 12 is rotated to separate the movable plug 12 from the bottom end of the casing 1, and then the drive motor 2, the threaded rod 3 sliding block 71 and the connecting piece 72 are taken out. The operation is simple and easy to use.

[0025] The interior of the annular groove 91 is connected to the interior of the through hole 8 , the outer walls of the seal 1 98 and the seal 2 99 are movably connected between the through hole 8 and the push rod 4 , and the interior of the sealing ring 92 is movably connected to the outer wall of the push rod 4 .

[0026] The driving motor 2 is mounted on the upper surface of the movable plug 12 . The threaded rod 3 is movably connected inside the movable groove 5 . The bottom end of the push rod 4 contacts the upper surface of the sliding block 71 .

[0027] During use, when the electric window opener is used in a dusty environment, the dustproof telescopic tube 10 can protect the push rod 4 exposed to the outer wall of the casing 1. At the same time, through the cooperation of the sealing ring 92, the sealing support 95, the seal 1 98 and the seal 2 99, the through hole 8 in the top of the casing 1 and the push rod 4 can be sealed, which can effectively enhance its explosion-proof effect and better adapt to places with explosive gases or combustible and explosive dust; when the inner screw electric window opener needs to be disassembled, the movable plug 12 is disengaged from the bottom end of the casing 1 by rotating the movable plug 12, and then the drive motor 2, the threaded rod 3 sliding block 71 and the connecting piece 72 are taken out. The operation is simple and easy to use.

[0028] The above description of the disclosed embodiments will enable one skilled in the art to implement or use the present invention. Various modifications to these embodiments will be readily apparent to one skilled in the art, and the general principles defined herein may be implemented in other embodiments without departing from the spirit or scope of the present invention. Therefore, the present invention is not limited to the embodiments shown herein but is intended to conform to the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. An explosion-proof inner screw electric window opener for dusty environments, comprising a housing (1), characterized in that: A driving motor (2) is installed inside the casing (1), an output end of the driving motor (2) is fixedly connected to a threaded rod (3), an outer wall of the threaded rod (3) is provided with a push rod (4), a bottom end of the push rod (4) is provided with a movable groove (5), a top end of the push rod (4) is fixedly connected to a mounting block (6), a limit assembly (7) is provided on the outer wall of the threaded rod (3), a through hole (8) is provided inside the top end of the casing (1), an explosion-proof structure (9) is provided inside the top end of the casing (1), a dustproof telescopic tube (10) is fixedly installed on the top end of the casing (1), the top inner wall of the dustproof telescopic tube (10) is fixedly connected to the top outer wall of the push rod (4), and a threaded groove (11) is provided inside the bottom end of the casing (1).

2. The explosion-proof inner screw electric window opener for dusty environments according to claim 1, characterized in that: The limiting assembly (7) comprises a sliding block (71), a connecting piece (72), a limiting hole (73) and a limiting rod (74); the internal thread of the sliding block (71) is connected to the outer wall of the threaded rod (3); the left and right outer walls of the sliding block (71) are fixedly connected with the connecting piece (72); the limiting hole (73) is provided inside the connecting piece (72); the limiting hole (73) is movably connected to the limiting rod (74) inside; the top end of the limiting rod (74) is fixedly connected to the top end of the inner wall of the housing (1).

3. The explosion-proof inner screw electric window opener for dusty environments according to claim 2, characterized in that: The explosion-proof structure (9) includes an annular groove (91), a sealing ring (92), an annular cavity (93), a connecting hole (94), a sealing support (95), a resisting spring 1 (96), a resisting spring 2 (97), a sealing member 1 (98) and a sealing member 2 (99), wherein the annular groove (91) is provided inside the housing (1), a sealing ring (92) is movably installed inside the annular groove (91), an annular cavity (93) is provided inside the sealing ring (92), a connecting hole (94) is provided inside the sealing ring (92) near the annular cavity (93), and the annular A sealing support member (95) is installed inside the cavity (93), the lower surface of the sealing ring (92) is fixedly connected to a resisting spring 1 (96), the bottom end of the resisting spring 1 (96) is fixedly connected to the bottom end of the inner wall of the annular groove (91), the upper surface of the sealing ring (92) is fixedly connected to a resisting spring 2 (97), the top end of the resisting spring 2 (97) is fixedly connected to the top end of the inner wall of the annular groove (91), the upper surface of the sealing ring (92) is fixedly connected to a sealing member 1 (98), and the lower surface of the sealing ring (92) is fixedly connected to a sealing member 2 (99).

4. The explosion-proof inner screw electric window opener for dusty environments according to claim 3, characterized in that: A movable plug (12) is movably connected to the bottom of the housing (1), and a second thread groove (13) is provided on the outer wall of the movable plug (12). The outer wall of the movable plug (12) is threadably connected to the inside of the first thread groove (11) via the second thread groove (13).

5. The explosion-proof inner screw electric window opener for dusty environments according to claim 4, characterized in that: The interior of the annular groove (91) is connected to the interior of the through hole (8), the outer walls of the sealing member 1 (98) and the sealing member 2 (99) are movably connected between the through hole (8) and the push rod (4), and the interior of the sealing ring (92) is movably connected to the outer wall of the push rod (4).

6. The explosion-proof inner screw electric window opener for dusty environments according to claim 5, characterized in that: The driving motor (2) is mounted on the upper surface of the movable plug (12), the interior of the movable groove (5) is movably connected to a threaded rod (3), and the bottom end of the push rod (4) is in contact with the upper surface of the sliding block (71).

Images