CN216610804U - Operation mechanism of double compressors of front-mounted passenger car air conditioner - Google Patents
Operation mechanism of double compressors of front-mounted passenger car air conditioner Download PDFInfo
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- CN216610804U CN216610804U CN202220198961.8U CN202220198961U CN216610804U CN 216610804 U CN216610804 U CN 216610804U CN 202220198961 U CN202220198961 U CN 202220198961U CN 216610804 U CN216610804 U CN 216610804U
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Abstract
The utility model provides a two compressor operating device of leading passenger train air conditioner, including left frame girder, right frame girder, left air condition compressor, right air condition compressor, air condition compressor bottom plate support assembly, left air condition compressor and right air condition compressor symmetry are located on air condition compressor bottom plate support assembly, left air condition compressor and right air condition compressor pass through drive coupling mechanism and engine crankshaft connection, air condition compressor bottom plate support assembly includes left air condition compressor fixed bolster, right air condition compressor fixed bolster and lower plate crossbeam support, left air condition compressor fixed bolster and the lateral surface and the bottom surface fixed connection of left frame girder, right air condition compressor fixed bolster and the lateral surface and the bottom surface fixed connection of right frame girder. According to the utility model, the two air-conditioning compressors with smaller shapes are arranged on the left side and the right side of the air-conditioning compressor bottom plate support assembly, and the heights of the air-conditioning compressors and the lower bottom plate cross beam support are higher than that of the front axle, so that collision is avoided, and the failure rate of the air-conditioning compressors and the belt is reduced.
Description
Technical Field
The utility model relates to the technical field of production and manufacturing of passenger cars, in particular to a front-mounted double-compressor running mechanism of a passenger car air conditioner.
Background
The common operation mechanism of the front passenger car air conditioner compressor adopts a single air conditioner compressor structure, the single air conditioner compressor has larger displacement and larger appearance, the air conditioner compressor can only be arranged under an engine oil pan, and the air conditioner compressor and a bottom plate are arranged to be lower than a front axle, so that the collision risk of the air conditioner compressor is increased; meanwhile, the single air conditioner compressor structure is fixed on the engine and the suspension bracket through the fixing bracket, the fixing strength is relatively weak, and the air conditioner compressor and the belt are prone to failure in a severe working environment; on the other hand, only one air conditioner compressor is arranged, so that once the air conditioner compressor breaks down, the air conditioner system cannot work normally, and the comfort of the vehicle is reduced.
As shown in fig. 1, in the existing air-conditioning single air-conditioning compressor operating mechanism, an engine drives an air-conditioning compressor 4 ' to operate through a crank pulley 1 ' and a belt 3 ' thereon; the air conditioner compressor 4 'is fixed on the lower bottom plate' of the air conditioner compressor and is locked and fixed on the engine and the suspension bracket through the right side fixing bracket 2 of the air conditioner compressor and the left side fixing bracket 7 of the air conditioner compressor; at the same time, the belt 3 'is tensioned by the belt tensioner 6'.
The prior front passenger car air conditioner single compressor operation mechanism has the following defects: firstly, as the single air conditioner compressor has larger displacement and larger appearance, the air conditioner compressor can only be arranged under an engine oil pan, and the air conditioner compressor and a bottom plate are arranged below a front axle, so that the collision risk of the air conditioner compressor is increased; the single air conditioner compressor structure is fixed on the engine and the suspension bracket through the fixing bracket, the fixing strength is relatively weak, and the fixing bracket structure is easy to break under a severe working environment, so that the air conditioner compressor and the belt break down; and thirdly, as only one air conditioner compressor is arranged, once the air conditioner compressor breaks down, the air conditioning system can not work normally, and the comfort of the vehicle is reduced.
In summary, in the field of passenger car manufacturing, in order to reduce the problem of failure rate of the front passenger car air conditioning compressor and the belt, a mechanism capable of improving the fixing strength of the bottom plate of the air conditioning compressor and ensuring that the air conditioning system can work normally once one of the air conditioning compressors fails is required to be developed.
SUMMERY OF THE UTILITY MODEL
In order to solve the defects of the existing air conditioner compressor operating mechanism, the utility model provides a front passenger car air conditioner double-compressor operating mechanism which not only improves the fixing strength of a passenger car air conditioner compressor and a bracket assembly, but also reduces the problem of the failure rate of the front passenger car air conditioner compressor and a belt.
The utility model adopts the following technical scheme:
the utility model provides a two compressor operating device of leading passenger train air conditioner, includes left frame girder, right frame girder, left air condition compressor, right air condition compressor, air condition compressor bottom plate support assembly, left side air condition compressor with right air condition compressor symmetry is located on the air condition compressor bottom plate support assembly, left side air condition compressor reaches right air condition compressor passes through drive coupling mechanism and is connected with engine crankshaft respectively, air condition compressor bottom plate support assembly includes lower plate crossbeam support and connects left air condition compressor fixed bolster and right air condition compressor fixed bolster in lower plate crossbeam support both sides, left side air condition compressor fixed bolster with the lateral surface and the bottom surface fixed connection of left frame girder, right side air condition compressor fixed bolster with the lateral surface and the bottom surface fixed connection of right frame girder, left side air condition compressor, The right air-conditioning compressor and the lower bottom plate cross beam support are higher than the front axle.
In a preferred embodiment, the driving connection mechanism includes an engine crankshaft pulley, a left air conditioner compressor pulley, a left belt, a right air conditioner compressor pulley and a right belt, the left air conditioner compressor is provided with the left air conditioner compressor pulley, and the left air conditioner compressor pulley is connected with the engine crankshaft pulley through the left belt; the right air conditioner compressor is provided with the right air conditioner compressor belt pulley, and the right air conditioner compressor belt pulley is connected with the engine crankshaft belt pulley through a right belt.
In a preferred embodiment, a left rubber shock pad assembly and a left air conditioner compressor tensioning and adjusting device assembly are mounted on the left side of the lower base plate beam support, a left seesaw is fixed at the bottom of the left air conditioner compressor, one end of the left seesaw is hinged with the left rubber shock pad assembly, and the other end of the left seesaw is connected to the left air conditioner compressor tensioning and adjusting device assembly; the right side of lower plate crossbeam support is installed right rubber shock pad assembly and right air condition compressor tensioning adjusting device assembly, a right seesaw is fixed in right air condition compressor bottom, and this right seesaw one end is articulated with right rubber shock pad assembly, and the other end connect in right air condition compressor tensioning adjusting device assembly.
In a preferred embodiment, the left air conditioning compressor tensioning adjusting device assembly comprises a left adjusting rod, a left tensioning spring, a left spring support and a left nut, the left spring support is fixed on the lower plate beam support, the left adjusting rod is fixedly installed on the left spring support, the other end of the left seesaw is provided with a long hole and sleeved on the left adjusting rod, a longitudinal space is formed between the bottom of the left seesaw and the left spring support, the left tensioning spring is sleeved on the left adjusting rod, the bottom of the left tensioning spring is pressed on the left seesaw, and the top of the left tensioning spring is provided with a left nut in threaded connection with the left adjusting rod.
In a preferred embodiment, the right air conditioner compressor tensioning and adjusting device assembly comprises a right adjusting rod, a right tensioning spring, a right spring support and a right nut, the right spring support is fixed on the lower plate beam support, the right adjusting rod is fixedly installed on the right spring support, the other end of the right seesaw is provided with a strip hole and sleeved on the right adjusting rod, a longitudinal space is formed between the bottom of the right seesaw and the right spring support, the right tensioning spring is sleeved on the right adjusting rod, the bottom of the right tensioning spring presses on the right seesaw, and the top of the right spring is provided with a right nut which is in threaded connection with the left adjusting rod.
As can be seen from the above description of the present invention, compared with the prior art, the present invention has the following advantages:
firstly, the two air-conditioning compressors with smaller appearances are arranged on the left side and the right side of the air-conditioning compressor bottom plate support assembly in parallel, and the heights of the air-conditioning compressors and the lower bottom plate cross beam support are higher than that of the front axle, so that collision is avoided, and the failure rate of the air-conditioning compressors and the belt is reduced.
And secondly, the air condition compressor bottom plate support assembly is fixedly locked on two sides of the frame girder, so that the fixing strength is good, the fixing strength of the air condition compressor bottom plate is enhanced, the service lives of the air condition compressor assembly and a belt are prolonged, and the NVH performance of the whole vehicle is improved.
And thirdly, the air conditioner compressor is arranged into a left air conditioner compressor and a right air conditioner compressor which are smaller, the left air conditioner compressor and the right air conditioner compressor are respectively driven through two independent belts, once one of the air conditioner compressors breaks down, the other air conditioner compressor can also normally run, and the comfort of the air conditioner is ensured.
Drawings
Fig. 1 is a schematic structural diagram of the prior art.
Fig. 2 is a schematic structural diagram of the present invention.
Detailed Description
The following describes embodiments of the present invention with reference to the drawings. Numerous details are set forth below in order to provide a thorough understanding of the present invention, but it will be apparent to those skilled in the art that the present invention may be practiced without these details. Well-known components, methods and processes are not described in detail below.
A running mechanism of a front-mounted air conditioner double compressor of a passenger car refers to fig. 2 and comprises a left frame girder 1, a right frame girder 2, a left air conditioner compressor 3, a right air conditioner compressor 4 and an air conditioner compressor bottom plate support assembly 5. The left air-conditioning compressor 3 and the right air-conditioning compressor 4 are symmetrically arranged on the left side and the right side of the air-conditioning compressor bottom plate support assembly 5.
Referring to fig. 2, the left air conditioner compressor 3 and the right air conditioner compressor 4 are connected to the engine crankshaft through a drive connection mechanism, respectively. The driving connection mechanism specifically comprises an engine crankshaft belt pulley 61, a left air-conditioning compressor belt pulley 31, a left belt 32, a right air-conditioning compressor belt pulley 41 and a right belt 42, wherein the left air-conditioning compressor 3 is provided with the left air-conditioning compressor belt pulley 31, and the left air-conditioning compressor belt pulley 31 is connected with the engine crankshaft belt pulley 61 through the left belt 32; the right air conditioner compressor 4 is provided with a right air conditioner compressor pulley 41, and the right air conditioner compressor pulley 41 is connected to the engine crankshaft pulley 61 via a right belt 42.
Referring to fig. 2, the air conditioner compressor base plate bracket assembly 5 includes a lower base plate beam bracket 50, and a left air conditioner compressor fixing bracket 51 and a right air conditioner compressor fixing bracket 52 connected to both sides of the lower base plate beam bracket, the left air conditioner compressor fixing bracket 51 is firmly locked with the outer side surface and the bottom surface of the left frame beam 1 by bolts and nuts, and the right air conditioner compressor fixing bracket 52 is firmly locked with the outer side surface and the bottom surface of the right frame beam 2 by bolts and nuts. The left air-conditioning compressor fixing support 51 and the right air-conditioning compressor fixing support 52 are correspondingly locked at the outer sides and the bottom surfaces of the left frame girder 1 and the right frame girder 2 respectively, so that the fixing strength is good, and the fixing strength of the bottom plate of the air-conditioning compressor is enhanced. The left air conditioner compressor 3, the right air conditioner compressor 4 and the lower base plate cross beam support 50 are higher than the front axle, so that the risk of collision of the air conditioner compressors is avoided.
Referring to fig. 2, a left rubber shock pad assembly 33 and a left air conditioner compressor tensioning and adjusting device assembly are mounted on the left side of the lower base plate beam support 50, a left seesaw 34 is fixed at the bottom of the left air conditioner compressor 3, one end of the left seesaw is hinged to the left rubber shock pad assembly 33, the other end of the left seesaw is connected to the left air conditioner compressor tensioning and adjusting device assembly, and the center of gravity of the left air conditioner compressor 3 is deviated to one side of the left rubber shock pad assembly 33.
Referring to fig. 2, the left air conditioner compressor tensioning adjustment device assembly comprises a left adjustment rod 71, a left tensioning spring 72, a left spring support 73 and a left nut 74, wherein the left spring support 73 is fixed on the lower base plate beam bracket 50, the left adjustment rod 71 is fixedly installed on the left spring support 73, the other end of the left seesaw 34 is provided with a long hole and is sleeved on the left adjustment rod 71, and a longitudinal space is formed between the bottom of the left seesaw 34 and the left spring support 73 to provide a space for the left seesaw to swing downwards. The left tension spring housing 72 is provided on the left adjustment lever 71, the bottom of the left tension spring 72 is pressed against the left seesaw 34, and the top thereof is provided with a left nut 74 which is screwed on the left adjustment lever 71. When the left belt 32 is loosened, the left nut 74 is rotated to make the left tension spring 72 further press the left seesaw 34 downwards, and because a longitudinal space is formed between the bottom of the left seesaw 34 and the left spring support 73, and the other end of the left seesaw 34 is hinged on the left rubber damper pad assembly 33, the left seesaw 34 can rotate around the left rubber damper pad assembly 33 to make the center distance between the left air conditioner compressor pulley 31 and the engine crankshaft pulley 61 larger, even if the left belt 32 is tensioned.
Similarly, referring to fig. 2, a right rubber shock pad assembly 43 and a right air conditioner compressor tensioning and adjusting device assembly are mounted on the right side of the lower plate beam support 50, a right seesaw 44 is fixed at the bottom of the right air conditioner compressor 4, one end of the right seesaw 44 is hinged to the right rubber shock pad assembly 43, the other end of the right seesaw 44 is connected to the right air conditioner compressor tensioning and adjusting device assembly, and the center of gravity of the right air conditioner compressor 4 is deviated to one side of the left rubber shock pad assembly 43.
Referring to fig. 2, the right air conditioner compressor tensioning adjustment device assembly comprises a right adjustment rod 81, a right tensioning spring 82, a right spring support 83 and a right nut 84, the right spring support 83 is fixed on the lower plate beam support 50, the right adjustment rod 81 is fixedly installed on the right spring support 83, the other end of the right seesaw 44 is provided with a long hole and sleeved on the right adjustment rod 81, and a longitudinal space is formed between the bottom of the right seesaw 44 and the right spring support 83 to provide a space for the downward swing of the right seesaw 44. The right tension spring 82 is sleeved on the right adjusting rod 81, the bottom of the right tension spring 82 presses on the right seesaw 44, and the top of the right tension spring is provided with a right nut 84 which is in threaded connection with the right adjusting rod. When the right belt 42 is loosened, the right nut 84 is rotated to cause the right tension spring 82 to further press the right seesaw 44 downward, and since a longitudinal space is formed between the bottom of the right seesaw 44 and the right spring support 83 and the other end of the right seesaw is hinged to the right rubber cushion assembly 43, the right seesaw 44 can rotate around the right rubber cushion assembly 43 to increase the center distance between the right air conditioner compressor pulley 41 and the engine crankshaft pulley 61 even if the right belt 42 is tensioned.
The above description is only an embodiment of the present invention, but the design concept of the present invention is not limited thereto, and any insubstantial modifications made by using the design concept should fall within the scope of infringing the present invention.
Claims (5)
1. The utility model provides a two compressor operating device of leading passenger train air conditioner which characterized in that: comprises a left frame girder, a right frame girder, a left air-conditioning compressor, a right air-conditioning compressor and an air-conditioning compressor bottom plate bracket assembly, the left air-conditioning compressor and the right air-conditioning compressor are symmetrically arranged on the air-conditioning compressor bottom plate bracket assembly, the left air-conditioning compressor and the right air-conditioning compressor are respectively connected with an engine crankshaft through a driving connecting mechanism, the air-conditioning compressor bottom plate bracket assembly comprises a lower bottom plate beam bracket, a left air-conditioning compressor fixing bracket and a right air-conditioning compressor fixing bracket which are connected with the two sides of the lower bottom plate beam bracket, the left air-conditioning compressor fixing bracket is fixedly connected with the outer side surface and the bottom surface of the left frame girder, the right air-conditioning compressor fixing bracket is fixedly connected with the outer side surface and the bottom surface of the beam of the right frame, the left air conditioner compressor, the right air conditioner compressor and the lower bottom plate cross beam support are higher than the front axle.
2. The operating mechanism of the front-mounted passenger car air conditioner double compressor as claimed in claim 1, characterized in that: the driving connecting mechanism comprises an engine crankshaft belt pulley, a left air-conditioning compressor belt pulley, a left belt, a right air-conditioning compressor belt pulley and a right belt, the left air-conditioning compressor is provided with the left air-conditioning compressor belt pulley, and the left air-conditioning compressor belt pulley is connected with the engine crankshaft belt pulley through the left belt; the right air conditioner compressor is provided with the right air conditioner compressor belt pulley, and the right air conditioner compressor belt pulley is connected with the engine crankshaft belt pulley through a right belt.
3. The operating mechanism of the front-mounted passenger car air conditioner double compressor as claimed in claim 2, characterized in that: a left rubber shock pad assembly and a left air conditioner compressor tensioning and adjusting device assembly are mounted on the left side of the lower base plate beam support, a left seesaw is fixed at the bottom of the left air conditioner compressor, one end of the left seesaw is hinged with the left rubber shock pad assembly, and the other end of the left seesaw is connected to the left air conditioner compressor tensioning and adjusting device assembly; the right side of lower plate crossbeam support is installed right rubber shock pad assembly and right air condition compressor tensioning adjusting device assembly, a right seesaw is fixed in right air condition compressor bottom, and this right seesaw one end is articulated with right rubber shock pad assembly, and the other end connect in right air condition compressor tensioning adjusting device assembly.
4. The operating mechanism of the front-mounted passenger car air conditioner double compressor as claimed in claim 3, characterized in that: left air condition compressor tensioning adjusting device assembly includes left adjusting lever, left tensioning spring, left spring support and left nut, left side spring support is fixed in on the lower plate beam support, fixed mounting is one on this left spring support the left adjusting lever, the left seesaw other end is equipped with rectangular hole and overlaps and be in on the left adjusting lever, this left seesaw bottom with longitudinal space has between the left spring support, left side tensioning spring overlaps and establishes on the left adjusting lever, the bottom of this left tensioning spring is pressed on left seesaw, and the top is equipped with a threaded connection and is in left nut on the left adjusting lever.
5. The operating mechanism of the front passenger car air conditioner double compressor as claimed in claim 4, characterized in that: the right air conditioner compressor tensioning adjusting device assembly comprises a right adjusting rod, a right tensioning spring, a right spring support and a right nut, the right spring support is fixed on the lower plate beam support, the right adjusting rod is fixedly mounted on the right spring support, the other end of the right seesaw is provided with a strip hole and sleeved on the right adjusting rod, the bottom of the right seesaw is provided with a longitudinal space between the right spring support, the right tensioning spring is sleeved on the right adjusting rod, the bottom of the right tensioning spring is pressed on the right seesaw, and the top of the right seesaw is provided with a threaded connection, and the right nut on the left adjusting rod is provided with a threaded connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220198961.8U CN216610804U (en) | 2022-01-25 | 2022-01-25 | Operation mechanism of double compressors of front-mounted passenger car air conditioner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220198961.8U CN216610804U (en) | 2022-01-25 | 2022-01-25 | Operation mechanism of double compressors of front-mounted passenger car air conditioner |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216610804U true CN216610804U (en) | 2022-05-27 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220198961.8U Active CN216610804U (en) | 2022-01-25 | 2022-01-25 | Operation mechanism of double compressors of front-mounted passenger car air conditioner |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216610804U (en) |
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2022
- 2022-01-25 CN CN202220198961.8U patent/CN216610804U/en active Active
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