CN219622733U

CN219622733U - Prevent not hard up vent protector

Info

Publication number: CN219622733U
Application number: CN202321084036.3U
Authority: CN
Inventors: 杨帅
Original assignee: Qingdao Qili Construction Co ltd
Current assignee: Qingdao Qili Construction Co ltd
Priority date: 2023-05-08
Filing date: 2023-05-08
Publication date: 2023-09-01
Anticipated expiration: 2033-05-08

Abstract

The utility model provides a vent protection device for preventing looseness, which relates to the technical field of vent protection and comprises a connecting flange plate, wherein a fixing ring is fixed on one side of the connecting flange plate, an inner cavity is formed in the fixing ring, a spring ring is fixed on the inner wall of one side of the inner cavity, one side of the spring ring extends to the other side of the inner cavity, a friction plate is fixed on the inner wall of the spring ring, and a protective cover is arranged on the inner side of the fixing ring.

Description

Prevent not hard up vent protector

Technical Field

The utility model relates to the technical field of vent protection, in particular to a vent protection device capable of preventing loosening.

Background

The construction ventilation of the underground engineering that uses at present is mostly directly ventilated, and in the work progress mostly through bolt and block mechanism with protection casing and vent's air intake or air outlet block, prevent that the foreign matter from getting into the ventilation flue inside.

The utility model discloses a ventilation opening protection device for underground engineering construction, which is disclosed in China patent with publication number of CN213510707U and comprises a protection shell, wherein one end of an inner cavity of the protection shell is fixedly clamped with a ventilation opening through a fixing plate, a ventilation fan is fixedly connected with the ventilation opening through a fixing frame and is fixedly connected with a driving motor through an output shaft, one end of the ventilation opening, which is far away from the clamping end of the fixing plate, is fixedly connected with the inner cavity of the protection shell, a dust removing plate is arranged at the left end of the ventilation fan, and a discharge outlet is arranged at the end, which is far away from the ventilation opening, of the protection shell.

However, the device can be effectively fixed by the connecting rod and the fixing ring, the device is prevented from loosening, the fixing mode is required to be arranged along the periphery of the equipment at equal intervals, the device is complex in actual installation, and the device is difficult to detach when rusting is generated at the butt joint position.

The present utility model has been made in view of this.

Disclosure of Invention

The utility model aims to solve the technical problems that the prior vent protection device in the prior art needs to arrange connecting rods along the periphery of equipment at equal intervals when in fixation, is complicated in actual installation and is difficult to detach when rusting occurs at a butt joint part, and provides the vent protection device for preventing looseness.

In order to solve the technical problems, the utility model adopts the basic conception of the technical scheme that:

the utility model provides a prevent not hard up vent protector, includes the flange dish, one side of flange dish is fixed with solid fixed ring, the inner chamber has been seted up to gu fixed ring's inside, one side inner wall of inner chamber is fixed with the spring ring, one side of spring ring extends to the opposite side of inner chamber, the inner wall of spring ring is fixed with the friction plate, gu fixed ring's inboard is provided with the protection casing, the surface of protection casing is close to one side edge and is fixed with the friction ring.

Optionally, the outer surface of the friction ring is mutually attached to the inner wall of the friction plate.

Optionally, a plurality of filter openings are equidistantly formed in one side of the protective cover.

Optionally, a side opening is formed in one side of the fixing ring, and a clamping groove is formed in one side of the spring ring.

Optionally, the inside rotation of draw-in groove is connected with the fixture block, one side of fixture block is fixed with adjusting bolt.

Optionally, the adjusting bolt is connected with the side wall of the spring ring in a sliding way, and the adjusting bolt is connected with the outer wall of the fixed ring in a threaded way.

After the technical scheme is adopted, compared with the prior art, the utility model has the following beneficial effects, and of course, any product for implementing the utility model does not necessarily need to achieve all the following advantages at the same time:

1. when the device is used, the protective cover is firstly arranged on the inner side of the fixed ring, then the adjusting bolt is rotated, so that one side of the spring ring can be driven to move towards the inner wall of one side of the inner cavity, the spring ring is contracted, at the moment, the inner wall of the friction plate can be mutually attached to the outer surface of the friction ring, the protective cover is fixed in the fixed ring under the action of mutual friction, and when the device is actually used, the protective cover can be replaced by only installing the connecting flange at the air outlet or the air inlet without disassembling the connecting flange.

2. According to the utility model, when the adjusting bolt is rotated, as the adjusting bolt is in threaded connection with the side wall of the fixed ring, one side of the spring ring can be driven to move when the adjusting bolt is rotated, and meanwhile, the adjusting bolt and the spring ring are connected with each other through the clamping block and the clamping groove, so that the adjusting bolt and the spring ring can be prevented from being separated from each other when the adjusting bolt is rotated.

Drawings

The drawings in the following description are only examples of embodiments from which other drawings may be derived by those skilled in the art without the exercise of inventive faculty. In the drawings:

fig. 1 is a schematic perspective view of a ventilation opening protection device for preventing loosening according to the present utility model;

FIG. 2 is a schematic cross-sectional perspective view of a retaining ring of a vent protection device for preventing loosening according to the present utility model;

fig. 3 is an enlarged view of the present utility model at a in fig. 2.

In the drawings, the list of components represented by the various numbers is as follows:

1. a connecting flange plate; 2. a fixing ring; 3. a protective cover; 4. a friction ring; 5. filtering; 6. an inner cavity; 7. a side port; 8. a spring ring; 9. a friction plate; 10. a clamping groove; 11. a clamping block; 12. and (5) adjusting a bolt.

It should be noted that these drawings and the written description are not intended to limit the scope of the inventive concept in any way, but to illustrate the inventive concept to those skilled in the art by referring to the specific embodiments.

Detailed Description

The utility model will now be described in further detail with reference to the accompanying drawings.

Embodiment 1, as shown in fig. 1-3, the present utility model provides a ventilation opening protection device for preventing loosening, which comprises the following technical scheme: including flange dish 1, flange dish 1's one side is fixed with solid fixed ring 2, and inner chamber 6 has been seted up to gu the inside of fixed ring 2, and one side inner wall of inner chamber 6 is fixed with spring ring 8, and one side of spring ring 8 extends to the opposite side of inner chamber 6, and spring ring 8's inner wall is fixed with friction plate 9, and gu the inboard of fixed ring 2 is provided with protection casing 3, and the surface of protection casing 3 is close to one side edge and is fixed with friction ring 4.

The effect that its whole embodiment 1 reaches is, when using this device, firstly place the inboard of solid fixed ring 2 with protection casing 3, then rotate adjusting bolt 12, make one side that can drive spring coil 8 to one side inner wall motion of inner chamber 6, thereby make spring coil 8 shrink, the inner wall of friction plate 9 can laminate each other with the surface of friction ring 4 at this moment, make protection casing 3 fix the inside at solid fixed ring 2 under the effect of mutual friction, only need install flange 1 in air outlet or air intake department when in actual use can, need not dismantle flange 1 can accomplish the change when changing protection casing 3, it is comparatively loaded down with trivial details when the actual installation to have solved current vent protector and need extend equipment periphery equidistance setting with the connecting rod, and the difficult problem of dismantling when producing corrosion in butt joint department.

In embodiment 2, as shown in fig. 1-3, the outer surface of the friction ring 4 is attached to the inner wall of the friction plate 9, a plurality of filter openings 5 are formed in one side of the protective cover 3 at equal intervals, a side opening 7 is formed in one side of the fixed ring 2, a clamping groove 10 is formed in one side of the spring ring 8, a clamping block 11 is rotatably connected in the clamping groove 10, an adjusting bolt 12 is fixed on one side of the clamping block 11, the adjusting bolt 12 is slidably connected with the side wall of the spring ring 8, and the adjusting bolt 12 is in threaded connection with the outer wall of the fixed ring 2.

The effect achieved in the whole embodiment 2 is that, when the adjusting bolt 12 is rotated, one side of the spring ring 8 can be driven to move when the adjusting bolt 12 is rotated due to the threaded connection between the adjusting bolt 12 and the side wall of the fixed ring 2, and the adjusting bolt 12 and the spring ring 8 are simultaneously connected with each other through the clamping block 11 and the clamping groove 10, so that the adjusting bolt 12 and the spring ring 8 can be prevented from being separated from each other when the adjusting bolt 12 is rotated.

The present utility model is not limited to the above embodiments, and any person who can learn the structural changes made under the teaching of the present utility model can fall within the scope of the present utility model if the present utility model has the same or similar technical solutions. The technology, shape, and construction parts of the present utility model, which are not described in detail, are known in the art.

Claims

1. The utility model provides a prevent not hard up vent protector, includes flange (1), its characterized in that: one side of flange (1) is fixed with solid fixed ring (2), inner chamber (6) have been seted up to the inside of solid fixed ring (2), one side inner wall of inner chamber (6) is fixed with spring ring (8), one side of spring ring (8) extends to the opposite side of inner chamber (6), the inner wall of spring ring (8) is fixed with friction plate (9), the inboard of solid fixed ring (2) is provided with protection casing (3), the surface of protection casing (3) is close to one side edge and is fixed with friction ring (4).

2. A loosening prevention vent protection device in accordance with claim 1, wherein: the outer surface of the friction ring (4) is mutually attached to the inner wall of the friction plate (9).

3. A loosening prevention vent protection device in accordance with claim 1, wherein: a plurality of filter openings (5) are formed in one side of the protective cover (3) at equal intervals.

4. A loosening prevention vent protection device in accordance with claim 1, wherein: a side opening (7) is formed in one side of the fixed ring (2), and a clamping groove (10) is formed in one side of the spring ring (8).

5. A loosening prevention vent protection device as defined in claim 4, wherein: the clamping groove (10) is internally connected with a clamping block (11) in a rotating mode, and one side of the clamping block (11) is fixed with an adjusting bolt (12).

6. A loosening prevention vent protection device as defined in claim 5, wherein: the adjusting bolt (12) is connected with the side wall of the spring ring (8) in a sliding manner, and the adjusting bolt (12) is connected with the outer wall of the fixed ring (2) in a threaded manner.