Ventilation improvement device for toilets in expressway service area

Abstract

The utility model belongs to the technical field of ventilation of toilets in expressway service areas, and particularly relates to an improved ventilation device for toilets in expressway service areas, which comprises a wall body, a mounting groove is formed in the wall body, a mounting hole is formed in the inner wall of the mounting groove, a sealing ring is fixedly mounted on the inner wall of the mounting hole, and a ventilation hole is formed in the inner wall of the sealing ring. And a mounting cylinder is slidably mounted on the inner wall of the sealing ring, a ventilator is arranged in the mounting cylinder, semicircular holes are formed in the mounting cylinder at equal intervals, a mounting ring is fixedly mounted on the inner wall of the mounting groove, and circular grooves are formed in the mounting ring at equal intervals. According to the scheme, the mounting barrel is pushed to enter the sealing ring, under the deformation effect of the spring, the movable disc can be pushed to drive the clamping rod to clamp and limit the semicircular hole, and in cooperation with the extrusion effect of the friction pad, the mounting barrel drives the ventilating fan to be in a stable placement state, people can conveniently mount and use the ventilating fan, and a traditional bolt fixing mode is avoided.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the field of highway service area toilet ventilation technology, concretely relates to a highway service area toilet ventilation and gas exchange improved device. BACKGROUND

[0002] It is known that highway service area is also called highway service station, and the facilities of highway service area include accommodation, catering, refueling, automobile repair and the like. With the gradual shift of the focus of highway work from construction to operation and management, the service area is paid more and more attention from aspects of scale, facility, function, service quality and the like, and especially the environment of the toilet of the service area is more and more important, and whether there is odor in the toilet directly affects the comfort of passengers, so it is necessary to use the ventilation and gas exchange device to ventilate the toilet.

[0003] The conventional highway service area toilet ventilation and gas exchange device also has certain defects, does not have a good filtering mechanism, and cannot filter impurities in the circulating air, and the installation of the installation cylinder is mostly fixed by bolts, which is inconvenient for the fixed use of the staff. SUMMARY

[0004] The utility model discloses a highway service area toilet ventilation and gas exchange improved device, solve the existing highway service area toilet ventilation and gas exchange device, the problem that circulating air is difficult to filter impurities, and solve the installation difficulty of the installation cylinder.

[0005] In order to achieve the above object, the utility model provides a highway service area toilet ventilation and gas exchange improved device, including wall body, the inside of wall body is set up with installation slot, the inner wall of installation slot is set up with installation hole, the inner wall of installation hole is fixedly installed with sealing ring, the inner wall of sealing ring is slidably installed with installation cylinder, the inside of installation cylinder is provided with ventilation fan, the inside of installation cylinder is set up with semicircle hole equally, the inner wall of installation slot is fixedly installed with installation ring, the inside of installation ring is set up with circular groove equally, the inner wall of all circular grooves is slidably installed with moving disc, the inner wall of installation cylinder is fixedly installed with limit block equally, the surface of limit block is fixedly installed with limit plate, the inner wall of installation cylinder is symmetrically slidably installed with sealing ring, and the sealing ring and limit block are contacted, the inside of sealing ring is set up with limit slot symmetrically.

[0006] The utility model discloses a principle lies in: through the installation cylinder along the surface of friction pad sliding to the inside of sealing ring, under the action of sealing ring, can install the installation cylinder sealingly, avoid the problem of the inflow of impurity, in this process, the moving disc stress slides inwards along the inner wall of the circular groove, and spring compression can push the clamping rod into the semicircular hole, so that the installation cylinder is in stable state, avoid the traditional bolt fixed mode, the inconvenient installation of people, through the push sealing ring along the inner wall of the installation cylinder and slide, make sealing ring and limit block contact, and the limit plate enters the limit groove, under the deformation effect of elastic particle, can push the friction plate and hold the limit plate stably, to guarantee the installation of sealing ring stable, and cooperate the effect of filter screen, can carry out the impurity filtration treatment to the air circulation of installation cylinder.

[0007] The utility model discloses the beneficial effect lies in: the scheme through the installation cylinder into sealing ring, under the deformation effect of spring, can push the moving disc and drive the clamping rod and hold the semicircular hole limit, and cooperate the extrusion effect of friction pad, so that the installation cylinder drives the stable installation state of ventilating fan, the installation of people is convenient, avoid the traditional bolt fixed mode, through the push sealing ring along the inner wall of the installation cylinder and slide, and contact with the limit block, make the limit plate enter the limit groove, under the cooperation of elastic particle, friction sheet, can hold the limit plate and limit, to guarantee that sealing ring drives filter screen is in stable state, can carry out the filtration treatment to the air circulation of installation cylinder, avoid the problem of big particle impurity invasion.

[0008] Further, the inner wall of the mounting ring is equidistantly fixedly installed with a friction pad, the friction pad is in contact with the mounting cylinder, and the installation stability of the mounting cylinder can be improved through the extrusion effect of the friction pad.

[0009] Further, the surface of the moving disc is fixedly installed with a spring, one end of the spring is fixedly connected with the moving disc, and the other end of the spring is fixedly connected with the circular groove.

[0010] Further, the surface of the moving disc is fixedly installed with a clamping rod, the clamping rod is in contact with the semicircular hole, and the installation cylinder can be kept in a stable state through the clamping effect between the clamping rod and the semicircular hole.

[0011] Further, the inner wall of the sealing ring is fixedly installed with a filter screen, the filter screen is made of stainless steel, and the air circulating in the installation cylinder can be filtered through the filter screen.

[0012] Further, the limit groove is in contact with the limit plate, the inner wall of the limit groove is equidistantly fixedly installed with elastic particles, and the deformation performance of the inner wall of the limit groove can be guaranteed through the elastic particles.

[0013] Furthermore, a friction plate is fixedly installed on the surface of the elastic particle, and the friction plate is in contact with the limiting plate. By setting the friction plate, the squeezing effect of the elastic particle can be improved, so that the limiting plate is in a stable position. Attached Figure Description

[0014] Figure 1 This is a schematic diagram of a ventilation improvement device for highway service area restrooms according to an embodiment of the present invention;

[0015] Figure 2 This invention relates to an improved ventilation and air exchange device for highway service area restrooms. Figure 1 Enlarged view of point A;

[0016] Figure 3 This invention relates to an improved ventilation and air exchange device for highway service area restrooms. Figure 1 Top sectional view of the mounting holes;

[0017] Figure 4 This invention relates to an improved ventilation and air exchange device for highway service area restrooms. Figure 3 Enlarged view of point B. Detailed Implementation

[0018] The following detailed description illustrates the specific implementation method:

[0019] The reference numerals in the accompanying drawings include: wall 1, mounting groove 2, mounting hole 3, sealing ring 4, mounting cylinder 5, ventilation fan 6, semi-circular hole 7, mounting ring 8, friction pad 9, circular groove 10, moving disc 11, spring 12, locking rod 13, limiting block 14, limiting plate 15, sealing ring 16, filter screen 17, limiting groove 18, elastic particle 19, friction plate 20.

[0020] like Figures 1-3 As shown, this embodiment provides a ventilation improvement device for a highway service area restroom, including a wall 1. The wall 1 has an installation groove 2 inside, and an installation hole 3 on the inner wall of the installation groove 2. A sealing ring 4 is fixedly installed on the inner wall of the installation hole 3. An installation cylinder 5 is slidably installed on the inner wall of the sealing ring 4. An exhaust fan 6 is installed inside the installation cylinder 5. Semicircular holes 7 are equidistantly arranged inside the installation cylinder 5. An installation ring 8 is fixedly installed on the inner wall of the installation groove 2. Friction pads 9 are equidistantly fixedly installed on the inner wall of the installation ring 8. The friction pads 9 contact the installation cylinder 5, and the compression action of the friction pads 9 improves the stability of the installation cylinder 5. Circular grooves 10 are equidistantly arranged inside the installation ring 8, and movable discs 11 are slidably installed on the inner walls of all circular grooves 10.

[0021] like Figures 1-3As shown, the surface of the moving disc 11 is fixedly installed with a spring 12, the other end of the spring 12 is fixed with the circular groove 10, through the setting of the spring 12, the moving disc 11 can be pushed to drive the clamping rod 13 to be in a stable state, the surface of the moving disc 11 is fixedly installed with the clamping rod 13, the clamping rod 13 is in contact with the semicircular hole 7, through the clamping effect between the clamping rod 13 and the semicircular hole 7, the mounting cylinder 5 can be in a stable state.

[0022] As shown in Figure 1 , Figure 3 and Figure 4 , the inner wall of the mounting cylinder 5 is equidistantly fixedly installed with a limiting block 14, the surface of the limiting block 14 is fixedly installed with a limiting plate 15, the inner wall of the mounting cylinder 5 is symmetrically slidably installed with a sealing ring 16, the sealing ring 16 is in contact with the limiting block 14, the inner wall of the sealing ring 16 is fixedly installed with a filter screen 17, the filter screen 17 is made of stainless steel, through the setting of the filter screen 17, the air circulating in the mounting cylinder 5 can be filtered.

[0023] As shown in Figure 1 , Figure 3 and Figure 4 , the inside of the sealing ring 16 is symmetrically provided with a limiting groove 18, the limiting groove 18 is in contact with the limiting plate 15, the inner wall of the limiting groove 18 is equidistantly fixedly installed with an elastic particle 19, through the setting of the elastic particle 19, the good deformation performance of the inner wall of the limiting groove 18 can be ensured, the surface of the elastic particle 19 is fixedly installed with a friction sheet 20, the friction sheet 20 is in contact with the limiting plate 15, through the setting of the friction sheet 20, the extrusion effect of the elastic particle 19 can be improved, so that the limiting plate 15 is in a stable placement state.

[0024] The specific implementation process of the utility model is as follows: by pushing the mounting cylinder 5 to slide along the surface of the friction pad 9 into the sealing ring 4, under the action of the sealing ring 4, the mounting cylinder 5 can be sealedly installed, avoiding the inflow of impurities, in this process, the moving disc 11 is stressed to slide inward along the inner wall of the circular groove 10, the spring 12 is stressed to compress, the clamping rod 13 can be pushed into the semicircular hole 7, so that the mounting cylinder 5 is in a stable placement state, avoiding the inconvenience of people's installation problem of the traditional bolt fixing mode, by pushing the sealing ring 16 to slide along the inner wall of the mounting cylinder 5, the sealing ring 16 is in contact with the limiting block 14, and the limiting plate 15 enters the limiting groove 18, under the deformation action of the elastic particle 19, the friction sheet 20 can be pushed to stably clamp the limiting plate 15, so as to ensure the stable placement of the sealing ring 16, and cooperate with the action of the filter screen 17, the circulating air in the mounting cylinder 5 can be impurity filtered.

[0025] The scheme pushes the installation cylinder 5 into the sealing ring 4, under the deformation of the spring 12, the movable disc 11 drives the clamping rod 13 to clamp and limit the semicircular hole 7, and cooperates with the extrusion of the friction pad 9, so that the installation cylinder 5 drives the air exchange fan 6 to be in a stable installation state, which is convenient for people to install and use, avoids the traditional bolt fixing mode, pushes the sealing ring 16 along the inner wall of the installation cylinder 5, and contacts with the limiting block 14, so that the limiting plate 15 enters the limiting groove 18, under the cooperation of the elastic particles 19 and the friction plate 20, the limiting plate 15 can be clamped and limited, so that the sealing ring 16 drives the filter screen 17 to be in a stable state, the air flowing in the installation cylinder 5 can be filtered, and the problem of invasion of large particles is avoided.

[0026] It should be pointed out that in the present application, unless otherwise specified and limited, the terms "installation", "connection", "connection", "fixing" and the like should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected; it can be directly connected, or indirectly connected through an intermediate medium; it can be the communication inside two elements. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0027] The above is only an embodiment of the present application, and the specific structure and characteristics of the scheme are not described in detail. It should be pointed out that for those skilled in the art, without departing from the structure of the present application, some modifications and improvements can be made, which should also be considered as the protection scope of the present application, which will not affect the effect and practicality of the patent. The protection scope of the present application should be subject to the content of its claims, and the specific implementation mode and the like in the specification can be used to explain the content of the claims.

Claims

1. A ventilation improvement device for restrooms in highway service areas, comprising walls, characterized in that: The wall has an internal mounting groove, and the inner wall of the mounting groove has a mounting hole. A sealing ring is fixedly installed on the inner wall of the mounting hole. An mounting cylinder is slidably installed on the inner wall of the sealing ring. An exhaust fan is installed inside the mounting cylinder. Semicircular holes are equidistantly arranged inside the mounting cylinder. An mounting ring is fixedly installed on the inner wall of the mounting groove. Circular grooves are equidistantly arranged inside the mounting ring. Movable discs are slidably installed on the inner wall of all circular grooves. Limiting blocks are fixedly installed at equal intervals on the inner wall of the mounting cylinder. Limiting plates are fixedly installed on the surface of the limiting blocks. Sealing rings are symmetrically slidably installed on the inner wall of the mounting cylinder. The sealing rings are in contact with the limiting blocks. Limiting grooves are symmetrically arranged inside the sealing rings.

2. The ventilation improvement device for highway service area restrooms according to claim 1, characterized in that: Friction pads are fixedly installed at equal intervals on the inner wall of the mounting ring, and the friction pads are in contact with the mounting cylinder.

3. The ventilation improvement device for highway service area restrooms according to claim 1, characterized in that: A spring is fixedly installed on the surface of the movable disk, and the other end of the spring is fixed to the circular groove.

4. The ventilation improvement device for highway service area restrooms according to claim 1, characterized in that: A locking rod is fixedly installed on the surface of the movable disk, and the locking rod is in contact with the semi-circular hole.

5. The ventilation improvement device for highway service area restrooms according to claim 1, characterized in that: A filter screen, made of stainless steel, is fixedly installed on the inner wall of the sealing ring.

6. The ventilation improvement device for highway service area restrooms according to claim 1, characterized in that: The limiting groove is in contact with the limiting plate, and elastic particles are fixedly installed at equal intervals on the inner wall of the limiting groove.

7. The ventilation improvement device for highway service area restrooms according to claim 6, characterized in that: A friction pad is fixedly installed on the surface of the elastic particle, and the friction pad is in contact with the limiting plate.

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