CN215284282U

CN215284282U - Refrigerating unit

Info

Publication number: CN215284282U
Application number: CN202121595246.XU
Authority: CN
Inventors: 刘中保; 徐若权; 晁剑; 巨荣孝
Original assignee: Lengwang Shanghai Industrial Co ltd
Current assignee: Lengwang Shanghai Industrial Co ltd
Priority date: 2021-07-13
Filing date: 2021-07-13
Publication date: 2021-12-24
Anticipated expiration: 2031-07-13

Abstract

The application provides a refrigerating unit, including unit frame, drive mechanism, tight pulley subassembly and direction subassembly that rises. The transmission mechanism comprises a driving component, a driven component and a conveyor belt, and the driving component and the driven component are respectively fixed on the unit frame; the driving assembly is in transmission connection with the driven assembly through a conveyor belt; the tension wheel assembly is positioned on one side of the conveyor belt and comprises a first position and a second position, the tension wheel assembly is separated from the conveyor belt when positioned at the first position, and the tension wheel assembly is pressed against the conveyor belt when positioned at the second position; and the guide assembly comprises a guide piece and a support which is slidably arranged on the guide piece, the guide piece is fixed on the unit frame, the support is fixedly connected with the tension wheel assembly, the support and the guide piece are both positioned between the unit frame and the tension wheel assembly, and when the support slides relative to the guide piece, the support drives the tension wheel assembly to slide so that the tension wheel assembly moves between a first position and a second position.

Description

Refrigerating unit

Technical Field

The application relates to the technical field of air conditioning systems, in particular to a refrigerating unit.

Background

In an air conditioning system of a vehicle, the air conditioning system includes a refrigerating unit. A compressor in an air conditioning system is a core component of the system and belongs to a main working component in the air conditioning system under a refrigeration working condition. The working power of the compressor comes from the driving assembly, the power is output to the tension wheel of the compressor through the transmission of the conveying belt, and the transmission efficiency of the compressor can directly influence the refrigeration effect of the air conditioning system. Therefore, a tensioning wheel assembly can be added on the conveying belt. The degree of the compaction of the tensioning wheel on the conveying belt is adjusted to be tensioned through the movement of the tensioning wheel assembly.

In the related art, the tensioning wheel assembly can be fixed on a frame of the refrigerating unit through a plurality of sheet metal supports, the number of mounting points of the plurality of sheet metal supports is large, and the installation is complex.

SUMMERY OF THE UTILITY MODEL

The application provides a refrigerating unit, includes:

a unit frame;

the transmission mechanism comprises a driving component, a driven component and a conveyor belt, and the driving component and the driven component are respectively fixed on the unit frame; the driving assembly is in transmission connection with the driven assembly through the conveyor belt;

the tension wheel assembly is positioned on one side of the conveyor belt and comprises a first position and a second position, the tension wheel assembly is separated from the conveyor belt when positioned at the first position, and the tension wheel assembly is pressed against the conveyor belt when positioned at the second position; and

the guide assembly comprises a guide piece and a support which is slidably arranged on the guide piece, the guide piece is fixed on the unit frame, the support is fixedly connected with the tension wheel assembly, the support and the guide piece are both positioned between the unit frame and the tension wheel assembly, and when the support slides relative to the guide piece, the tension wheel assembly is driven to slide, so that the tension wheel assembly moves between the first position and the second position.

Optionally, the guide piece includes a guide rod penetrating through the support, the guide rod is fixed to the unit frame, and the support is slidable relative to the guide rod to drive the tension pulley assembly to move.

Optionally, the guide assembly includes a limiting mounting member, the limiting mounting member is disposed at one end of the guide rod, which is far away from the conveyor belt, and is connected to the guide rod, so as to limit the tensioning wheel assembly to be located at the second position.

Optionally, the tension wheel assembly comprises a connecting shaft located at the axle center of the tension wheel assembly; the connecting shaft is connected with the support, and the connecting shaft extends towards the unit frame.

Optionally, the guide assembly includes an installation accommodating part disposed on the unit frame, and an accommodating space is formed between the installation accommodating part and the unit frame; the limiting installation piece is installed at one end, far away from the conveyor belt, of the installation accommodating piece; the installation accommodating part comprises a sliding channel arranged in the installation accommodating part, the guide rod is arranged in the accommodating space, and the support is slidably clamped in the sliding channel to drive the tensioning wheel assembly to slide along the sliding channel.

Optionally, the refrigerating unit includes a calibration limit structure, the calibration limit structure is fixed in the unit frame, avoids the conveyer belt, is located the drive assembly with between the unit frame, it is spacing the drive assembly.

Optionally, the calibration limiting structure is detachably assembled to the unit frame.

Optionally, the calibration limiting structure includes a connecting portion and a blocking portion, and a fixed included angle is formed between the connecting portion and the blocking portion;

the connecting part is connected with the unit frame, and the blocking part is positioned between the driving component and the unit frame and blocks the driving component.

Optionally, the connecting portion is a first metal plate portion, the blocking portion is a second metal plate portion, and the edge of the first metal plate portion is connected with the edge of the second metal plate portion and is perpendicular to the edge of the second metal plate portion.

Optionally, the guide member is longitudinally arranged on the unit frame;

and/or the presence of a gas in the gas,

the driving assembly comprises an engine and a motor, the conveying belt is in transmission connection with the engine and the driven assembly, and is in transmission connection with the motor and the driven assembly;

and/or the presence of a gas in the gas,

the driven assembly includes a compressor.

The refrigerating unit of this application embodiment, the guide is fixed in the unit frame, and support and guide all are located unit frame and tight pulley assembly that rises to the guide can direct mount on the unit frame, reduces the guide and needs fixed mounting point, and then has reduced the mounting point of guide subassembly, makes the installation complexity reduce, thereby the installation cost is low.

Drawings

FIG. 1 is a schematic view of an embodiment of a refrigeration unit;

FIG. 2 is a schematic diagram of a partial explosion of an embodiment of the refrigeration unit of FIG. 1;

FIG. 3 is an exploded view of one embodiment of a guide and tension wheel assembly of the refrigeration unit of FIG. 1;

fig. 4 is an assembly view of one embodiment of a guide and tension wheel assembly of the refrigeration unit of fig. 1.

Detailed Description

Reference will now be made in detail to the exemplary embodiments, examples of which are illustrated in the accompanying drawings. When the following description refers to the accompanying drawings, like numbers in different drawings represent the same or similar elements unless otherwise indicated. The embodiments described in the following exemplary embodiments do not represent all embodiments consistent with the present application. Rather, they are merely examples of apparatus and methods consistent with certain aspects of the present application, as detailed in the appended claims.

The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the application. Unless otherwise defined, technical or scientific terms used herein shall have the ordinary meaning as understood by one of ordinary skill in the art to which this application belongs. The use of "first," "second," and similar terms in the description and in the claims does not indicate any order, quantity, or importance, but rather is used to distinguish one element from another. Also, the use of the terms "a" or "an" and the like do not denote a limitation of quantity, but rather denote the presence of at least one. The word "comprising" or "comprises", and the like, means that the element or item listed as preceding "comprising" or "includes" covers the element or item listed as following "comprising" or "includes" and its equivalents, and does not exclude other elements or items. The terms "connected" or "coupled" and the like are not restricted to physical or mechanical connections, but may include electrical connections, whether direct or indirect. As used in this specification and the appended claims, the singular forms "a", "an", and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise. It should also be understood that the term "and/or" as used herein refers to and encompasses any and all possible combinations of one or more of the associated listed items.

The present application provides a refrigeration unit 10. The refrigeration unit 10 of the present application will be described in detail with reference to the drawings. The features of the following examples and embodiments may be combined with each other without conflict.

The vehicle of the present application may be a refrigerated vehicle having a refrigeration unit installed. Therefore, the refrigerator car uses the refrigerating unit to carry out freezing and fresh-keeping. The refrigerating unit of the application can also be applied to other vehicles such as cold chain vehicles and the like which need to be provided with the refrigerating unit. And will not be exemplified in detail herein.

Figure 1 illustrates a schematic diagram of one embodiment of a refrigeration unit 10. Figure 2 is a partially exploded schematic view of one embodiment of the refrigeration unit 10 of figure 1.

As shown in fig. 1, in some alternative embodiments, the refrigeration unit 10 includes a unit frame 11, a transmission mechanism 12, a tension roller assembly 13, and a guide assembly 14. The unit frame 11 is used for carrying various components of the refrigeration unit 10. The transmission mechanism 12 is used to generate a driving force. The guide assembly 14 is used for moving the tension roller assembly 13 along the guide direction thereof.

In some embodiments, the transmission mechanism 12 includes a driving assembly 15, a driven assembly 16 and a transmission belt 17, wherein the driving assembly 15 and the driven assembly 16 are respectively fixed to the unit frame 11; the driving assembly 15 is in transmission connection with the driven assembly 16 through a conveyor belt 17. The driving assembly 15 is used for generating a driving force to drive the driven assembly 16 to move. The driven assembly 16 may include a compressor or other components, which will not be described in detail herein. The transmission belt 17 is used for transmitting the driving force generated by the driving assembly 15 to drive the driven assembly 16 to rotate. In some embodiments, the conveyor belt 17 may comprise a belt. The tension roller assembly 13 is located on one side of the conveyor belt 17, the tension roller assembly 13 comprises a first position and a second position, and when the tension roller assembly 13 is located at the first position, the tension roller assembly is separated from the conveyor belt 17 and used for loosening the conveyor belt 17. When the tension roller assembly 13 is located at the second position, the tension roller assembly abuts against the conveyor belt 17 to improve the tension degree of the conveyor belt 17. The tension wheel assembly 13 may include a plurality of second positions, and when the tension wheel assembly 13 is located at different second positions, the degree of pressing the conveyor belt 17 by the tension wheel assembly 13 is different, and the tension degree of the conveyor belt 17 is different. Therefore, the conveyer belt 17 can be tensioned or loosened through the movement of the tensioning wheel assembly 13, and the tensioning degree of the conveyer belt 17 can be adjusted, so that the conveyer belt 17 can be well in transmission connection with the driving assembly 15 and the driven assembly 16 by adjusting the position of the tensioning wheel assembly 13.

As shown in fig. 2, the guide assembly 14 includes a guide 18 and a support 19 slidably disposed on the guide 18, the guide 18 is fixed to the unit frame 11, the support 19 is fixedly connected to the tension roller assembly 13, and both the support 19 and the guide 18 are located between the unit frame 11 and the tension roller assembly 13, and when the support 19 slides relative to the guide 18, the support drives the tension roller assembly 13 to slide, so that the tension roller assembly 13 moves between the first position and the second position. Thus, the guide member 18 is fixed to the unit frame 11, and the support 19 and the guide member 18 are located between the unit frame 11 and the tension roller assembly 13. Compare in a plurality of panel beating supports not only need can provide the holding power for the tight pulley subassembly that rises among the correlation technique, lead to a plurality of mounting points between a plurality of panel beating supports and the tight pulley subassembly that rises, a plurality of panel beating supports self need install fixedly also have a plurality of mounting points moreover, the guide 18 of this application can the direct mount on unit frame 11, reduce the mounting point that guide 18 needs to be fixed, and then reduced the mounting point of guide assembly 14, make the installation complexity reduce, thereby the installation cost is low. Furthermore, the tensioning wheel assembly 13 and the guide assembly 14 are assembled and connected with each other respectively, so that the tensioning wheel assembly and the guide assembly can be disassembled conveniently, and later maintenance and replacement are facilitated.

As shown in fig. 2, in some embodiments, the driving assembly 15 includes a motor 20, and the belt 17 is drivingly connected to the motor 20 and the driven assembly 16. The output end of the engine 20 is connected with the conveyor belt 17, and the engine 20 generates a driving force to drive the conveyor belt 17 to rotate so as to transmit the driving force of the engine 20 to the driven assembly 16, thereby driving the driven assembly 16 to move. Wherein the engine 20 is such as, but not limited to, a diesel engine.

As shown in fig. 2, the driving assembly includes an engine and a motor, the belt is in transmission connection with the engine and the driven assembly, and is in transmission connection with the motor and the driven assembly, so that the engine 20 and the motor 21 generate driving force to drive the belt 17 to rotate, so as to transmit the driving force of the engine 20 and the motor 21 to the driven assembly 16, thereby driving the driven assembly 16 to move.

Continuing with fig. 1, in some alternative embodiments, the guide assembly 14 includes a mounting receiver 25 disposed on the unit frame 11, the mounting receiver 25 and the unit frame 11 forming a receiving space therebetween; the installation accommodating part 25 comprises a sliding channel 26 arranged on the installation accommodating part 25, the guide rod 22 is arranged in the accommodating space, and the support 19 is slidably clamped in the sliding channel 26 to drive the tension pulley assembly 13 to slide along the sliding channel 26. Thus, the fixing of the guide rod 22 and the limiting of the movement of the support 19 can be enhanced through the installation accommodating part 25, so that the stability of the movement of the tension roller assembly 13 is improved. And, compare in the mounting point of a plurality of panel beating supports and the mounting point between a plurality of panel beating supports and the tight pulley subassembly that rises of correlation technique more, this application installation holding 25 is fixed in on unit frame 11 to be located unit frame 11 and the tight pulley subassembly 13 that rises between, make the fixed mounting point of installation holding 25 less, mounting process is simple, has practiced thrift installation cost, makes the cost lower. Meanwhile, compared with the space for accommodating the tensioning wheel assembly formed between the plurality of sheet metal supports and the unit frame of the refrigerating unit in the related art, the accommodating space provided by the application accommodates the guide rod 22 and the support 19, is small and occupies a small space.

In some embodiments, the mounting receptacle 25 may include at least three brackets or at least three support plates, such as support plates which may be, but are not limited to, sheet metal. In some embodiments, the at least three brackets include two first brackets disposed opposite to each other and a second bracket disposed to connect to the two first brackets, the two first brackets are fixedly connected to the unit frame 11, and a space is formed between the second bracket and the unit frame 11, and an accommodating space for accommodating other devices is formed through the space. The second support is provided with a groove or a sliding through hole for the guide rod to slide along the groove or the sliding through hole. In other embodiments, except that the support in the above embodiments is replaced by the support plate, the other connection modes are the same, and are not described in detail herein.

In some embodiments, the installation container 25 is longitudinally disposed on the unit frame 11, and the conveyor belt 17 is located below the tension roller assembly 13, so as to facilitate the tension roller assembly 13 and the conveyor belt 17 to act together.

In some embodiments, the guides 18 are disposed longitudinally to the unit frame 11 and the conveyor 17 is disposed laterally. Thus, the tensioning wheel assembly 13 can be more effectively pressed against or separated from the conveyor belt 17.

Fig. 3 is an exploded view of one embodiment of the guide member 18 and the tensioner assembly 13 of the refrigeration unit 10 of fig. 1. Fig. 4 is an assembly view of one embodiment of the guide member 18 and the tension roller assembly 13 of the refrigeration unit 10 of fig. 1.

As shown in fig. 3 and 4, in some alternative embodiments, the guide member 18 includes a guide rod 22 penetrating the support 19, the guide rod 22 is fixed to the unit frame 11, and the support 19 is slidable relative to the guide rod 22 to move the tension roller assembly 13. So, can more stably, remove tight pulley assembly 13 effectively, improve the reliability that tight pulley assembly 13 removed.

In some embodiments, the guide rod 22 can enable the support 19 to slide along the guide rod 22, so as to guide the support 19 and thus the tension pulley assembly 13. The guide rod may be a rod having a rod-like structure that enables the holder 19 to slide. In some embodiments, the tension roller assembly 13 may include a tension roller and a connecting structure, such as a connecting shaft 24, connecting the tension roller and the support 19. In some alternative embodiments, the tension roller assembly 13 includes a connecting shaft 24 located at the axial center of the tension roller assembly 13; the connecting shaft 24 is connected to the support 19, the connecting shaft 24 extending toward the unit frame 11. Thus, the connecting shaft 24 is more effectively connected with the support 19 in a contact manner, and the stability of the connection between the connecting shaft 24 and the support 19 is improved. The connecting shaft 24 may be a cylindrical or rod-shaped shaft, and the connecting between the tension roller assembly 13 and the support 19 may be completed. In some embodiments, the tension wheel assembly 13 may be detachably assembled to the support 19, for example, the tension wheel assembly 13 may be screwed to the support 19. Wherein the connection may be accomplished by means of bolts or the like. So, conveniently dismantle parts such as the bolt of connecting to dismantle tight pulley assembly 13 and support 19, but make tight pulley assembly 13 and support 19 maintenance reinforcing, only need disassemble upper portion bolt and can realize changing.

In some embodiments, the support 19 may have a triangular pyramid structure, one corner of the triangular pyramid is connected with the tension roller assembly 13, a bottom surface of the triangular pyramid opposite to the corner is in contact with the unit frame 11, and the guide rod is arranged on a surface between the corner and the bottom surface of the support 19. Thus, the production cost of the support 19 can be saved, and the bottom surface of the triangular prism is in contact with the unit frame 11, so that the stability of the support 19 can be effectively improved. Further, one corner of the triangular pyramid is connected with the connecting shaft 24 of the tension roller assembly 13.

In other embodiments, the support 19 may be a trapezoid table, a first bottom surface of the trapezoid table is connected to the tension roller assembly 13, the first bottom surface of the trapezoid table abuts against the tension roller assembly 13, a second bottom surface of the trapezoid table opposite to the first bottom surface contacts with the unit frame 11, and the guide rod penetrates through a side surface of the support 19. So, can support 19 can with the stable connection of tight pulley assembly 13 that rises to, the bottom surface and the unit frame 11 contact of triangular prism can improve support 19's stability effectively. Further, the first bottom surface of the trapezoidal table is connected with the shaft of the tension roller assembly 13 and abuts against the tension roller assembly 13. In other embodiments, the support 19 may have a triangular prism or a quadrangular prism, which is not illustrated.

As shown in fig. 3 and 4, in some alternative embodiments, the guiding assembly 14 includes a limiting installation 23, and the limiting installation 23 is disposed at an end of the guiding rod 22 away from the conveyor belt 17, and is connected to the guiding rod 22 for limiting the tension roller assembly 13 to the second position. So, tight pulley assembly 13 can move in the effective scope of adjustment conveyer belt 17, avoids transition to remove.

Further, continuing with FIG. 1, in some alternative embodiments, the limit stop mounting member 23 is mounted to an end of the mounting receiver 25 distal from the conveyor 17. Therefore, the limiting installation part 23 can limit the position of the tension wheel assembly 13, which is farthest from the conveyor belt 17, so that the occupied space for moving the tension wheel assembly 13 can be saved, and the tension wheel assembly 13 can be conveniently moved on the guide rod 22.

In some embodiments, the curb mounting 23 may be a mounting plate or mounting bracket, such that mounting can be accomplished.

In some alternative embodiments, the refrigeration unit 10 includes an alignment stop 27, the alignment stop 27 being secured to the unit frame 11, spaced from the conveyor 17, between the drive assembly 15 and the unit frame 11, and stopping the drive assembly 15. Therefore, the deviation of the driving component 15 in the installation process can be effectively calibrated, the deviation of the conveyor belt 17 is further reduced, and the stability and the reliability of the installation of the parts of the whole refrigerating unit 10 are improved.

In some alternative embodiments, the alignment limiting structure 27 includes a connecting portion 271 and a blocking portion 272, and a fixed included angle a (shown in fig. 2) is formed between the connecting portion 271 and the blocking portion 272. The connection portion 271 is connected to the unit frame 11, and the blocking portion 272 is located between the driving unit 15 and the unit frame 11 to block the driving unit 15. Thus, the calibration limit structure 27 can be stably fixed on the unit frame 11 through the connecting part 271, and the driving assembly 15 can be limited and calibrated through the blocking part, so that the installation reliability of the calibration limit structure 27 is improved.

In some optional embodiments, the connecting portion 271 is a first metal plate portion, the blocking portion 272 is a second metal plate portion, and an edge of the first metal plate portion is connected to an edge of the second metal plate portion and is perpendicular to the first metal plate portion. Like this, first panel beating portion and second panel beating portion mutually perpendicular, also can support each other between the two to improve calibration limit structure 27's rigidity and stability. In some embodiments, the first sheet metal portion and the second sheet metal portion may both be sheet metal of a plate-like structure or a bracket structure.

In some alternative embodiments, the alignment stop 27 is removably assembled to the unit frame 11. Such as, but not limited to, the alignment stop 27 is bolted to the airframe 11. Wherein the connection may be accomplished by means of bolts or the like. So, can conveniently dismantle parts such as the bolt of connecting to dismantle calibration limit structure 27 and unit frame 11, make calibration limit structure 27 and unit frame 11 maintainable reinforcing, only need disassemble the upper portion bolt and can realize changing.

The present invention is not intended to be limited to the particular embodiments shown and described, but is to be accorded the widest scope consistent with the principles and novel features herein disclosed.

Claims

1. A refrigeration unit, comprising:

a unit frame;

2. The refrigeration unit as set forth in claim 1 wherein said guide member includes a guide rod extending through said support, said guide rod being secured to said unit frame, said support being slidable relative to said guide rod to move said tensioner assembly.

3. The refrigeration unit as set forth in claim 2 wherein said guide assembly includes a limiting mount disposed on an end of said guide bar remote from said conveyor belt and coupled to said guide bar for limiting said tension roller assembly to said second position.

4. The refrigeration unit as set forth in claim 3 wherein said tension wheel assembly includes a coupling shaft at an axial center of said tension wheel assembly; the connecting shaft is connected with the support, and the connecting shaft extends towards the unit frame.

5. The refrigeration unit as set forth in claim 3 or 4 wherein said guide assembly includes a mounting receiver disposed on said unit frame, said mounting receiver forming a receiving space with said unit frame; the limiting installation piece is installed at one end, far away from the conveyor belt, of the installation accommodating piece; the installation accommodating part comprises a sliding channel arranged in the installation accommodating part, the guide rod is arranged in the accommodating space, and the support is slidably clamped in the sliding channel to drive the tensioning wheel assembly to slide along the sliding channel.

6. The refrigeration unit as set forth in claim 1 wherein said refrigeration unit includes an alignment stop structure secured to said unit frame clear of said conveyor belt between said drive assembly and said unit frame for stopping said drive assembly.

7. The refrigeration unit as set forth in claim 6 wherein said alignment stop is removably assembled to said unit frame.

8. The refrigeration unit as set forth in claim 6 wherein said alignment stop structure includes a connecting portion and a blocking portion, said connecting portion and said blocking portion having a fixed included angle therebetween;

9. The refrigeration unit according to claim 8, wherein the connecting portion is a first sheet metal portion, the blocking portion is a second sheet metal portion, and an edge of the first sheet metal portion is connected to and perpendicular to an edge of the second sheet metal portion.

10. The refrigeration unit as set forth in claim 1 wherein said guide is disposed longitudinally of said unit frame;

and/or the presence of a gas in the gas,

the driven assembly includes a compressor.