Air conditioner substitute wheel with welding support for engine

Abstract

The utility model discloses a welding support air conditioner substitute wheel for an engine, which comprises two supports, a fixed shaft is welded between the front support and the rear support, the front end of the fixed shaft is sleeved with a cushion block, the front end of the fixed shaft is in threaded connection with a wheel shaft, the surface of the cushion block and the surface of the wheel shaft are sleeved with bearings, and the bearings are in threaded connection with the front end of the fixed shaft. The surface of the bearing is sleeved with a belt wheel, a check ring is embedded in the front end of the belt wheel, and dust covers are clamped to the front end and the rear end of the bearing. The support, the fixing shaft, the cushion block, the dustproof cover, the bearing, the belt pulley, the check ring and the wheel shaft are used in cooperation, a substitute wheel can be assembled, and therefore the substitute wheel can be directly installed at the installation position of an original air conditioner compressor, and the installation height and the diameter of the belt pulley of the substitute wheel are the same as the diameter of the original air conditioner compressor. An original air conditioner compressor can be directly replaced, generalization of engine parts is achieved, and the development cost is reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of engines, in particular to a welding bracket air conditioner substitute wheel for an engine. Background Technique

[0002] The front-end accessories of an engine usually include a generator, a water pump, an air conditioner compressor, a fan, a tensioner pulley, an idler pulley, etc. The front-end accessories are driven by a belt. Since there are high and low configurations for the engine matching the whole vehicle, some vehicle models do not need to be equipped with an air conditioner compressor. To ensure that the transmission layout on the front end face of the engine remains unchanged, it is necessary to add an air conditioner substitute wheel at the original position of the air conditioner compressor to replace the original air conditioner compressor. Content of the Utility Model

[0003] The purpose of the utility model is to provide a welding bracket air conditioner substitute wheel for an engine, which has the advantage of part generalization and solves the problems raised in the above background technique.

[0004] To achieve the above purpose, the utility model provides the following technical solution: A welding bracket air conditioner substitute wheel for an engine, including brackets. The number of the brackets is two, and a fixed shaft is welded between the front and rear brackets. A cushion block is sleeved at the front end of the fixed shaft. A wheel shaft is threadedly connected to the front end of the fixed shaft. Bearings are sleeved on the surfaces of the cushion block and the wheel shaft. A belt pulley is sleeved on the surface of the bearing. A retaining ring is embedded at the front end of the belt pulley. Dust covers are clamped at both the front and rear ends of the bearing.

[0005] Preferably, the bracket is a stamping part, and a first round hole for installing the fixed shaft is opened on its surface, and installation holes for installation are opened on both sides of the bottom.

[0006] Preferably, the fixed shaft adopts a multi-step structure design, and an external thread is provided at its front end. An internal thread for cooperating with the external thread is opened in the inner cavity of the wheel shaft.

[0007] Preferably, the cushion block adopts a step structure design. The dust cover is a stamping part, and the front and rear dust covers have the same structure.

[0008] Preferably, the bearing is a contact-type sealed bearing, preferably a double-row angular contact ball bearing.

[0009] Preferably, a second round hole for installing the bearing is opened at the center of the belt pulley, and an interference fit design is adopted between the outer ring of the bearing and the inner wall of the second round hole.

[0010] Preferably, an installation groove is opened at the front end of the belt pulley, and the retaining ring is installed in the inner cavity of the installation groove.

[0011] Preferably, a labyrinth-type dust-proof structure is formed between the dust cover and both sides of the belt pulley.

[0012] Compared with the prior art, the beneficial effects of the present utility model are as follows:

[0013] 1. By the combined use of a bracket, a fixed shaft, a cushion block, a dust cover, a bearing, a pulley, a retaining ring and a wheel shaft, the present utility model can be assembled into a substitute wheel, which can be directly installed at the original installation position of the air conditioner compressor. The installation height and the diameter of the pulley of this equipment are the same as those of the original air conditioner compressor, and it can directly replace the original air conditioner compressor, realizing the generalization of engine parts and reducing the development cost.

[0014] 2. By designing the cushion block with a stepped structure, the present utility model can adjust the axial height of this equipment and is used for installing the bearing. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 is a three-dimensional schematic diagram of the structure of the present utility model;

[0016] Figure 2 is a front view schematic diagram of the structure of the present utility model;

[0017] Figure 3 is a sectional view schematic diagram of the structure of the present utility model.

[0018] In the figure: 1. Bracket; 2. Fixed shaft; 3. Cushion block; 4. Dust cover; 5. Bearing; 6. Pulley; 7. Retaining ring; 8. Wheel shaft DETAILED DESCRIPTION OF THE EMBODIMENTS

[0019] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present utility model.

[0020] The components of the present utility model are all common standard components or components known to those skilled in the art, and their structures and principles can all be known by those skilled in the art through technical manuals or through conventional experimental methods.

[0021] Embodiment 1:

[0022] Please refer to Figures 1 - 3, in order to achieve the purpose of replacing the air-conditioning compressor, the following technical solutions are provided in this embodiment, and specifically disclosed: a welding bracket air-conditioning substitute wheel for an engine, including bracket 1. The number of brackets 1 is two, and a fixed shaft 2 is welded between the front and rear brackets 1. A cushion block 3 is sleeved on the front end of the fixed shaft 2, and a wheel shaft 8 is threadedly connected to the front end of the fixed shaft 2. By providing the wheel shaft 8, the inner ring of the bearing 5, the dust cover 4, and the cushion block 3 can be locked on the fixed shaft 2. The surfaces of the cushion block 3 and the wheel shaft 8 are both sleeved with bearings 5. The cushion block 3 and the inner ring of the bearing 5 are preferably in clearance fit, and interference fit or transition fit can also be selected. A pulley 6 is sleeved on the surface of the bearing 5. A retaining ring 7 is embedded at the front end of the pulley 6. Dust covers 4 are clamped at both the front and rear ends of the bearing 5. The fixed shaft 2, the cushion block 3, the dust cover 4, the bearing 5, the retaining ring 7, and the wheel shaft 8 are coaxial. Through the combined use of the bracket 1, the fixed shaft 2, the cushion block 3, the dust cover 4, the bearing 5, the pulley 6, the retaining ring 7, and the wheel shaft 8, a substitute wheel can be assembled, so that it can be directly installed at the original installation position of the air-conditioning compressor. The installation height of this device and the diameter of the pulley 6 are the same as the diameter of the original air-conditioning compressor, and it can directly replace the original air-conditioning compressor, realizing the generalization of engine parts and reducing the development cost.

[0023] Embodiment Two:

[0024] Please refer to Figures 1 - 3 , in order to achieve the purpose of rapid assembly and dust prevention, the following technical solutions are provided in this embodiment, and specifically disclosed: The bracket 1 is a stamping part, and a first round hole for installing the fixed shaft 2 is opened on its surface, and installation holes for installation are opened on both sides of the bottom. The fixed shaft 2 adopts a multi-step structure design, which is respectively used to install the bracket 1, the cushion block 3, the dust cover 4, the bearing 5, and the wheel shaft 8, and an external thread is provided at its front end. An internal thread for cooperating with the external thread is opened in the inner cavity of the wheel shaft 8. The cushion block 3 adopts a stepped structure design. By adopting the stepped structure design for the cushion block 3, the axial height of this device can be adjusted and used to install the bearing 5. The dust cover 4 is a stamping part, and the front and rear dust covers 4 have the same structure. The bearing 5 is a contact seal bearing, preferably a double-row angular contact ball bearing. A second round hole for installing the bearing 5 is opened at the axis center of the pulley 6, and an interference fit design is adopted between the outer ring of the bearing 5 and the inner wall of the second round hole. An installation groove is opened at the front end of the pulley 6, and the retaining ring 7 is installed in the inner cavity of the installation groove. A labyrinth dust-proof structure is formed between the dust cover 4 and both sides of the pulley 6.

[0025] During use, by inserting bolts into the inner cavity of the installation holes and then installing the bolts at the original position where the air-conditioning compressor was installed on the engine, the air-conditioning compressor can be replaced, and then it can be ensured that the transmission layout on the front end face of the engine remains unchanged.

[0026] Although embodiments of the present utility model have been shown and described, those of ordinary skill in the art can understand that various changes, modifications, substitutions, and variations can be made to these embodiments without departing from the principle and spirit of the present utility model. The scope of the present utility model is defined by the appended claims and their equivalents.

Claims

1. A welding bracket for an engine and an air conditioner substitute wheel, comprising a bracket (1), characterized in that: The number of the brackets (1) is two, and a fixed shaft (2) is welded between the front and rear brackets (1); a cushion block (3) is sleeved on the front end of the fixed shaft (2); a wheel shaft (8) is threadedly connected to the front end of the fixed shaft (2); a bearing (5) is sleeved on the surface of the cushion block (3) and the wheel shaft (8); a pulley (6) is sleeved on the surface of the bearing (5); a retaining ring (7) is embedded at the front end of the pulley (6); and dust covers (4) are clamped on the front and rear ends of the bearing (5).

2. The engine welding bracket air conditioner substitute wheel according to claim 1, characterized in that: The bracket (1) is a stamped part, and a first circular hole for mounting the fixed shaft (2) is provided on its surface, and mounting holes for mounting are provided on both sides of the bottom.

3. The engine welding bracket air conditioner substitute wheel according to claim 1, characterized in that: The fixed shaft (2) adopts a multi-step structural design, and its front end is provided with an external thread, and the inner cavity of the wheel shaft (8) is provided with an internal thread used in conjunction with the external thread.

4. The engine welding bracket air conditioner substitute wheel according to claim 1, characterized in that: The cushion block (3) adopts a step structure design, the dust cover (4) is a stamped part, and the front and rear dust covers (4) have the same structure.

5. The engine welding bracket air conditioner substitute wheel according to claim 1, characterized in that: The bearing (5) is a contact-type sealed bearing.

6. The engine welding bracket air conditioner substitute wheel according to claim 1, characterized in that: A second circular hole for mounting the bearing (5) is provided at the axis of the pulley (6), and an interference fit design is adopted between the outer ring of the bearing (5) and the inner wall of the second circular hole.

7. The engine welding bracket air conditioner substitute wheel according to claim 1, characterized in that: A mounting groove is provided at the front end of the pulley (6), and the retaining ring (7) is mounted in the inner cavity of the mounting groove.

8. The engine welding bracket air conditioner substitute wheel according to claim 1, characterized in that: The dust cover (4) and the two sides of the pulley (6) form a labyrinth-type dust-proof structure.

Images