Corrosion-resistant automobile air conditioner silencer
By setting a silencer panel in the cavity of the car air conditioner and adding a protective layer, combined with the design of blocking cover and abutting the projection, the problem of noise and silence structures that generate noise during the exhaust process of existing car air conditioners is solved. , achieving more efficient noise reduction and service life extension.
Patent Information
- Application Number
- CN202421041834.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-05-14
- Publication Date
- 2025-02-18
- Estimated Expiration
- 2034-05-14
AI Technical Summary
Existing car air conditioners produce noise during exhaust, and the silence structure is prone to corrosion during use, affecting service life.
A corrosion-resistant automotive air-conditioning muffler is designed. By setting a muffler in the inner cavity of the muffler body, a protective layer is set on the muffler board and partition, including waterproof, corrosion-resistant and oxidation-resistant parts, combined with a blocking cover and abutting projections ensure that the sound silencer and partitions are stable in the inner cavity.
It effectively reduces the noise generated by car air conditioners during use, improves the anti-oxidation and corrosion resistance of the silencer, thereby extending the service life and ensuring the sealing and stability of the silencer.
Smart Images

Figure CN222504304U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of automobile air-conditioning accessories, in particular to a corrosion-resistant automobile air-conditioning muffler. Background Art
[0002] Car air conditioning is referred to as car air conditioner, which is used to adjust and control the temperature, humidity, air cleanliness and air flow in the car compartment to the best state, provide passengers with a comfortable riding environment, reduce travel fatigue, create good working conditions for drivers, and play an important role in ensuring safe driving. Car air conditioners will generate certain noise during the exhaust process. Existing car air conditioners will add a silencer structure when in use to reduce the noise generated by the car air conditioner during use and improve the car driving environment.
[0003] Publication No. CN219530177U discloses a car air conditioning pipe silencer, comprising a silencer body, a partition fixedly arranged inside the silencer body, the partition dividing the inside of the silencer body into a first chamber and a second chamber, a conducting pipe connecting the first chamber and the second chamber is arranged on the partition, an air inlet pipe and an air outlet pipe are connected to one side of the silencer body, one end of the air inlet pipe is connected to the first chamber, and one end of the air outlet pipe is connected to the second chamber. Utility Model Content
[0004] The utility model aims to solve the above-mentioned shortcomings of the prior art and provides a corrosion-resistant automobile air-conditioning muffler to solve the above-mentioned problems.
[0005] The utility model adopts a technical solution to solve its technical problems: the corrosion-resistant automobile air-conditioning silencer comprises a silencer body, a partition is arranged in the inner cavity of the silencer body to divide the inner cavity into a first chamber and a second chamber, a conducting pipe is arranged on the partition to connect the two chambers, an air inlet pipe is arranged in the first chamber, and an air outlet pipe is arranged in the second chamber, one end of the air inlet pipe and one end of the air outlet pipe both extend outside the chamber, one side of the silencer body has an opening as the inlet end of the inner cavity, a silencer plate whose configuration is consistent with the configuration of the inner cavity and filled with sound insulation cotton material is placed in the opening, the outer wall and the inner wall of the silencer plate are both provided with a protective layer, the protective layer comprises a waterproof part, a corrosion-resistant part, and an anti-oxidation part arranged from the outside to the inside, a plugging cover is arranged in the opening to close the opening and contact with the front end face of the silencer plate and the front end face of the partition, and the contact can generate a longitudinal extrusion force, and the air inlet pipe and the air outlet pipe are both arranged on the plugging cover.
[0006] To further improve it, the waterproof part is made of acrylic resin.
[0007] To further improve, the corrosion-resistant part is made of phenolic resin material.
[0008] To further improve, the anti-oxidation part is made of epoxy resin paint material.
[0009] For further improvement, a filling space with a semicircular configuration is formed between an inner wall of the silencer and the outer wall of the partition, and between the other inner wall of the silencer and the inner wall of the partition. The inner wall of the blocking cover is provided with two abutment protrusions which are respectively placed in the corresponding filling spaces. When the abutment protrusions are placed in the filling space, they can contact with the inner wall of the silencer and the inner wall or outer wall of the partition at the same time, and the contact can generate a lateral extrusion force.
[0010] For further improvement, a protective layer is provided on the inner side wall abutting against the protrusion.
[0011] For further improvement, a positioning slot is arranged on the rear end wall of the partition, and a positioning plug inserted into the positioning slot is arranged on the wall where the muffler plate contacts the rear end wall of the partition.
[0012] The beneficial effects of the utility model are:
[0013] 1. The utility model can prevent the gas from contacting the inner cavity wall of the muffler body by arranging a muffler plate in the inner cavity of the muffler body. The arranged protective layer can improve the anti-oxidation and anti-corrosion capabilities of the muffler plate. The waterproofing measures are to further improve the anti-oxidation and anti-corrosion capabilities, thereby increasing the service life of the muffler body;
[0014] 2. In order to facilitate the placement of the silencer plate in the inner cavity of the silencer body, the utility model provides an opening as an inlet end on one side of the silencer body, and provides a plug cover to ensure the sealing of the silencer body. The plug cover can also play the role of setting the air inlet pipe and the air outlet pipe, and constraining the silencer plate and the partition, that is, to achieve contact with the silencer plate and the partition and squeeze them, so that the silencer plate and the partition can be stably present in the inner cavity;
[0015] 3. The plugging cover of the utility model is provided with abutting protrusions so that the squeezing force exerted on the silencer plate and the partition plate is not only in the longitudinal direction, but also in the transverse direction, thereby ensuring that the silencer plate and the partition plate can be stably arranged in the inner cavity of the silencer body. BRIEF DESCRIPTION OF THE DRAWINGS
[0016] Figure 1 It is a schematic diagram of the structure of the utility model;
[0017] Figure 2 This is a schematic diagram of the structure of the sound-absorbing plate and the protective layer of the utility model;
[0018] Figure 3 It is a schematic diagram of the structure below the muffler body of the utility model, in which a plug cover is hidden. DETAILED DESCRIPTION
[0019] The utility model is further described below in conjunction with the accompanying drawings:
[0020] Referring to the accompanying drawings: This corrosion-resistant automobile air conditioner silencer includes a silencer body 1, a partition 2 is provided in the inner cavity of the silencer body 1 to divide the inner cavity into a first chamber 11 and a second chamber 12, a conducting pipe 21 is provided on the partition 2 to connect the two chambers, an air inlet pipe 3 is provided in the first chamber 11, and an air outlet pipe 4 is provided in the second chamber 12, one end of the air inlet pipe 3 and one end of the air outlet pipe 4 both extend outside the chamber, and one side of the silencer body 1 has an opening 13 as the inlet end of the inner cavity The opening 13 is provided with a silencer plate 5 having a configuration consistent with the inner cavity configuration and filled with sound insulation cotton material. The outer wall and the inner wall of the silencer plate 5 are provided with a protective layer 6. The protective layer 6 includes a waterproof portion 61, a corrosion-resistant portion 62, and an antioxidant portion 63 arranged from the outside to the inside. A plugging cover 7 is provided in the opening 13 for closing the opening 13 and contacting with the front end surface of the silencer plate 5 and the front end surface of the partition 2, and the contact can generate a longitudinal extrusion force. The air inlet pipe 3 and the air outlet pipe 4 are both arranged on the plugging cover 7. The principle of the utility model is that the muffler plate 5 is used to improve the muffler effect of the muffler body 1, and the muffler plate 5 is also used to prevent the gas from contacting the inner cavity wall of the muffler body 1. The protective layer 6 provided can improve the anti-oxidation and anti-corrosion capabilities of the muffler plate 5. The waterproof measure is to improve the anti-oxidation and anti-corrosion capabilities, thereby improving the service life of the muffler plate 5. In order to facilitate the muffler plate 7 to be arranged in the inner cavity of the muffler body 1, an opening 13 as an inlet end is provided on one side of the muffler body 1. At the same time, in order to ensure the closedness of the inner cavity, a The plugging cover 7 blocks the opening 13, and the plugging cover 7 can also serve to set the air inlet pipe 3, the air outlet pipe 4, and constrain the silencer 5 and the partition 2, that is, the rear end wall of the silencer 5 or the rear end wall of the partition 2 has a distance from the rear end wall of the muffler body 1 (the rear end wall of the silencer 5 and the rear end wall of the partition 2 are maintained at the same level), and the distance is slightly smaller than the thickness of the plugging cover 7. Then, after the plugging cover 7 is installed in place, an extrusion force will be generated due to the size difference to squeeze the silencer 5 and the partition 2. In this way, the silencer 5 and the partition 2 can stably exist in the inner cavity.
[0021] In this embodiment, the connection between the plugging cover 7 and the muffler body 1 is threaded, and the air inlet pipe 3 or the air outlet pipe 4 can be used as a gripping part when rotating the plugging cover 7 .
[0022] The waterproof portion 61 is made of acrylic resin.
[0023] The corrosion-resistant portion 62 is made of a phenolic resin material.
[0024] The anti-oxidation portion 63 is made of epoxy resin paint material.
[0025] A filling space 8 with a semicircular configuration is formed between an inner wall of the silencer plate 5 and the outer wall of the partition 2, and between the other inner wall of the silencer plate 5 and the inner wall of the partition 2. The inner wall of the blocking cover 7 is provided with two abutment protrusions 71 respectively placed in the corresponding filling spaces 8. When placed in the filling space 8, the abutment protrusions 71 can contact the inner wall of the silencer plate 5 and the inner wall or outer wall of the partition 2 at the same time, and the contact can generate a lateral extrusion force. Such a setting can further increase the stability of the silencer plate 5 in the inner cavity, that is, the abutment protrusions 71 are in contact with the silencer plate 5 and the partition 2 at the same time, so that the extrusion force generated by the blocking cover 7 on the silencer plate 5 and the partition 2 is not only in the longitudinal direction, but also in the lateral direction, thereby ensuring that the silencer plate 5 and the partition 2 can be stably set in the inner cavity of the silencer body.
[0026] A protective layer 6 is provided on the inner side wall of the abutting protrusion 71 , and such a configuration is also used to improve the anti-oxidation and anti-corrosion capabilities of the abutting protrusion 71 . The waterproofing measure is to improve the anti-oxidation and anti-corrosion capabilities, thereby increasing the service life of the abutting protrusion 71 .
[0027] A positioning slot 22 is provided on the rear end wall of the partition 2, and a positioning plug 51 inserted into the positioning slot 22 is provided on the wall where the silencer 5 contacts the rear end wall of the partition 2. Such a setting can quickly determine the final assembly position of the partition 2 in the inner cavity, thereby improving assembly efficiency.
[0028] Although the present invention has been shown and described with reference to the preferred embodiments, it will be understood by those skilled in the art that various changes in form and details may be made therein within the scope of the claims.
Claims
1. A corrosion-resistant automobile air-conditioning muffler, comprising a muffler body (1), a partition (2) is arranged in the inner cavity of the muffler body (1) to divide the inner cavity into a first chamber (11) and a second chamber (12), a conducting pipe (21) is arranged on the partition (2) to connect the two chambers, an air inlet pipe (3) is arranged in the first chamber (11), and an air outlet pipe (4) is arranged in the second chamber (12), one end of the air inlet pipe (3) and one end of the air outlet pipe (4) both extend outside the chamber, and the characteristics are: One side of the muffler body (1) has an opening (13) serving as the inlet end of the inner cavity. A muffler plate (5) having a configuration consistent with that of the inner cavity and filled with sound insulation cotton material is placed in the opening (13). The outer wall and the inner wall of the muffler plate (5) are both provided with a protective layer (6). The protective layer (6) includes a waterproof portion (61), a corrosion-resistant portion (62), and an anti-oxidation portion (63) arranged from the outside to the inside. A plugging cover (7) is provided in the opening (13) for closing the opening (13) and contacting with the front end surface of the muffler plate (5) and the front end surface of the partition (2), and the contact can generate a longitudinal extrusion force. The air inlet pipe (3) and the air outlet pipe (4) are both arranged on the plugging cover (7).
2. The corrosion-resistant automobile air-conditioning muffler according to claim 1, characterized in that: The waterproof part (61) is made of acrylic resin.
3. The corrosion-resistant automobile air-conditioning muffler according to claim 1, characterized in that: The corrosion-resistant portion (62) is made of phenolic resin material.
4. The corrosion-resistant automobile air-conditioning muffler according to claim 1, characterized in that: The anti-oxidation part (63) is made of epoxy resin paint material.
5. The corrosion-resistant automobile air-conditioning muffler according to claim 1, characterized in that: A filling space (8) with a semicircular configuration is formed between one inner side wall of the silencer plate (5) and the outer side wall of the partition plate (2), and between the other inner side wall of the silencer plate (5) and the inner side wall of the partition plate (2). The inner side wall of the blocking cover (7) is provided with two abutment protrusions (71) respectively placed in the corresponding filling spaces (8). When the abutment protrusions (71) are placed in the filling space (8), they can simultaneously contact the inner side wall of the silencer plate (5) and the inner side wall or the outer side wall of the partition plate (2), and the contact can generate a lateral squeezing force.
6. The corrosion-resistant automobile air-conditioning muffler according to claim 5, characterized in that: The protective layer (6) is provided on the inner side wall of the abutting protrusion (71).
7. The corrosion-resistant automobile air-conditioning muffler according to claim 1, characterized in that: A positioning slot (22) is provided on the rear end wall of the partition (2), and a positioning plug (51) inserted into the positioning slot (22) is provided on the wall of the muffler (5) that contacts the rear end wall of the partition (2).
Citation Information
Patent Citations
Automobile air conditioner pipeline silencer
CN219530177U