CN221924007U - Screw condensing unit convenient to installation and maintenance - Google Patents

Abstract

The utility model relates to the technical field of condensing units, and discloses a screw condensing unit convenient to install and overhaul, the device comprises a surrounding shell, wherein a mounting mechanism is arranged in the surrounding shell, and a replacement mechanism is arranged in the surrounding shell. Through rotatory runner for the column and gear rotate, thereby make the rack drive slide upward movement, make the spliced pole keep away from the stopper, thereby remove the spacing work to the apron, bottom plate and universal wheel through setting up, be convenient for remove the link to suitable region, be convenient for carry out installation work to the evaporimeter, the liquid storage pot, screw compressor and condenser or overhaul work, the operation is more swift, through promoting the pull rod, make the bottom plate with surround shell slidable mounting, thereby be convenient for to the quick-operation of unit, the repetitive operation, under the elastic action of spring, make slide and spliced pole remove towards the stopper, it is spacing to the apron.

Description

A screw condensing unit that is easy to install and maintain

Technical Field

The utility model relates to the technical field of condensing units, in particular to a screw-type condensing unit which is easy to install and repair.

Background Art

Screw condensing units are condensing units with various forms of screw compressors as the main unit. It is an assembled refrigeration device composed of a screw refrigeration compressor, condenser, evaporator, thermal expansion valve, oil separator, automatic control components and instruments. During the daily use of the screw condensing unit, it is often necessary to overhaul the screw condensing unit.

According to the description of a screw-type condensing unit that is easy to install and overhaul disclosed on the patent website (authorization announcement number: CN208254024 U), "The utility model discloses a screw-type condensing unit that is easy to install and overhaul, including a bottom plate, a fixing plate and a rubber pad, a pulley is installed below the bottom plate, the fixing plate is installed on the front and rear sides of the bottom plate, the upper end of the protrusion is connected to a cover plate, the inner side of the connecting plate is provided with a first external flange pipe, the upper end of the evaporator is provided with a direct flange pipe, the outer side of the evaporator is provided with a frame, the right side of the screw compressor is installed on the condensing machine, and the right side of the condensing machine is connected with a second arc flange pipe, the lower side of the second arc flange pipe is connected with an expansion valve box, the rubber pad is located inside the direct flange pipe, and the outer side of the fixing plate is provided with a breathable groove. The screw-type condensing unit that is easy to install and overhaul is convenient for mobile installation of the unit, convenient for overhaul and maintenance work, strengthens the filtering function of the refrigerant, and ensures the efficient operation of the unit."

In view of the above description, the applicant believes that there are the following problems:

During use, the utility model facilitates the installation of the base plate, connecting plate, fixing plate and cover plate due to the provision of protrusions, and a pulley is installed under the base plate, which facilitates the movement and installation of the unit and facilitates inspection and maintenance. However, during use, it is necessary to remove multiple fixing bolts and move the connecting plate and the cover plate before the installation and maintenance of the unit, which is inconvenient. It is also inconvenient to restore the connecting plate and the cover plate to their original positions later. It has certain limitations. Therefore, it is necessary to improve a screw condensing unit that is easy to install and repair to solve the above problems.

Utility Model Content

The purpose of the utility model is to provide a screw condensing unit which is easy to install and maintain, so as to solve the problems raised in the above-mentioned background technology.

To achieve the above-mentioned purpose, the utility model provides the following technical solution: a screw condensing unit that is easy to install and maintain, comprising a surrounding shell, an installation mechanism is arranged inside the surrounding shell, and a replacement mechanism is arranged inside the surrounding shell.

The installation mechanism comprises a moving component and a limiting component. The moving component is arranged on the inner wall of the surrounding shell, and the limiting component is arranged outside the surrounding shell.

Preferably, the moving component includes a base plate, which is slidably mounted on the inner wall of the surrounding shell, a universal wheel is fixedly mounted on the bottom of the base plate, a cover plate is fixedly mounted on the front of the base plate, a connecting frame is fixedly mounted on the top of the base plate, an evaporator is arranged on the top of the base plate, a liquid storage tank is arranged on the top of the base plate, a screw compressor is arranged on the top of the connecting frame, a condenser is arranged on the top of the connecting frame, a limit block is fixedly mounted on the back of the cover plate, the limit block is slidably mounted on the outside of the surrounding shell, and a pull rod is fixedly mounted on the front of the cover plate to facilitate the installation and maintenance of the collection unit.

Preferably, the limiting assembly includes a connecting shell, which is fixedly mounted on the outer side of the surrounding shell, a rotating column is rotatably mounted inside the connecting shell, a rotating wheel is fixedly mounted outside the rotating column, a gear is fixedly mounted outside the rotating column, a rack is meshed on the outside of the gear, the rack is slidably mounted on the inner wall of the connecting shell, a slide is fixedly mounted on the bottom of the rack, the slide is slidably mounted with the connecting shell, a column is fixedly mounted on the bottom inner wall of the connecting shell, the slide is slidably mounted on the outside of the column, a spring is fixedly mounted between the bottom of the slide and the connecting shell, and a plug column is fixedly mounted on the bottom of the slide to facilitate the limiting work of the cover plate.

Preferably, a through hole is provided inside the connection shell at a position corresponding to the plug post, and the plug post is slidably installed in the through hole to facilitate the lifting and lowering of the plug post.

Preferably, a through hole is provided inside the limit block at a position corresponding to the insertion column, and the insertion column is slidably installed in the through hole, so as to facilitate the limiting work of the limit block.

Preferably, the replacement mechanism includes a positioning frame, which is fixedly mounted on the back of the surrounding shell, a filter plate is slidably mounted inside the positioning frame, a slider is fixedly mounted on the outside of the filter plate, a connecting plate is fixedly mounted on the top of the filter plate, bolts are threadedly mounted on the internal threads of the connecting plate, the bolts are threadedly mounted on the positioning frame, a sliding rod is slidably mounted inside the positioning frame, a handle is fixedly mounted on the back of the sliding rod, and a brush is fixedly mounted on the front of the sliding rod to facilitate filtering and cleaning of dust.

Preferably, a slide groove is provided inside the positioning frame at a position corresponding to the sliding block, and the sliding block is slidably installed in the slide groove, so as to facilitate the limiting and positioning of the positioning frame.

Compared with the prior art, the utility model provides a screw condensing unit that is easy to install and repair, and has the following beneficial effects:

The screw-type condensing unit which is easy to install and maintain has an installation mechanism. During use, the rotating wheel is rotated to rotate the rotating column and the gear, so that the rack drives the slide plate to move upward, and the plug column is away from the limit block, thereby releasing the limit work on the cover plate. The provided bottom plate and universal wheel facilitate the movement of the connecting frame to a suitable area, and facilitate the installation or maintenance of the evaporator, liquid storage tank, screw compressor and condenser. The operation is faster and faster. The bottom plate and the surrounding shell are slidably installed by pushing the pull rod, so that the unit can be quickly moved. The operation is repeated, and under the elastic action of the spring, the slide plate and the plug column move toward the limit block to limit the cover plate.

The screw-type condensing unit which is easy to install and maintain has a replacement mechanism. During use, the filter plate is provided to facilitate the ventilation and heat dissipation of the unit and to block dust in the air. The handle is pulled up and down to make the slide bar move up and down. With the cooperation of the brush, dust attached to the surface of the filter plate can be cleaned. The bolt is rotated to keep it away from the positioning frame, so that the limit on the connecting plate can be released, thereby facilitating the filter plate and the slide bar to be away from the positioning frame, and the filter plate and the brush can be cleaned. Repeating the operation with the cooperation of the slider facilitates the positioning and limit of the filter plate.

BRIEF DESCRIPTION OF THE DRAWINGS

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the following briefly introduces the drawings required for use in the description of the embodiments. Obviously, the drawings described below are only some embodiments of the present invention. For those skilled in the art, other drawings can be obtained based on these drawings without creative labor:

FIG1 is a schematic diagram of the front structure of the utility model;

Figure 2 is a rear view schematic diagram of the utility model;

FIG3 is a schematic diagram of the structure of the mobile assembly of the utility model;

Figure 4 is a schematic diagram of the position relationship of the pull rod of the utility model;

Figure 5 is a schematic diagram of the structure of the limit assembly of the utility model;

FIG6 is a schematic diagram of the position relationship of the slide plate of the utility model;

Figure 7 is a schematic diagram of the structure of the replacement mechanism of the utility model;

FIG8 is a schematic diagram showing the position relationship of the brushes of the present invention.

In the figure: 1. surrounding shell; 2. mounting mechanism; 21. moving assembly; 211. bottom plate; 212. universal wheel; 213. cover plate; 214. connecting frame; 215. evaporator; 216. liquid storage tank; 217. screw compressor; 218. condenser; 219. limit block; 2110. pull rod; 22. limit assembly; 221. connecting shell; 222. rotating column; 223. rotating wheel; 224. gear; 225. rack; 226. slide plate; 227. column; 228. spring; 229. plug column; 3. replacement mechanism; 301. positioning frame; 302. filter plate; 303. slider; 304. connecting plate; 305. bolt; 306. slide bar; 307. handle; 308. brush.

DETAILED DESCRIPTION

The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

In the present invention, unless otherwise clearly specified and limited, the terms "install", "connect", "connect", "fix" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

Example 1

Please refer to Figures 1-6. The utility model provides a technical solution: a screw condensing unit that is easy to install and maintain, including a surrounding shell 1, an installation mechanism 2 is arranged inside the surrounding shell 1, and a replacement mechanism 3 is arranged inside the surrounding shell 1.

The mounting mechanism 2 includes a moving component 21 and a limiting component 22 . The moving component 21 is arranged on the inner wall of the surrounding shell 1 , and the limiting component 22 is arranged outside the surrounding shell 1 .

Furthermore, the moving component 21 includes a base plate 211, which is slidably mounted on the inner wall of the surrounding shell 1, a universal wheel 212 is fixedly mounted on the bottom of the base plate 211, a cover plate 213 is fixedly mounted on the front of the base plate 211, a connecting frame 214 is fixedly mounted on the top of the base plate 211, an evaporator 215 is arranged on the top of the base plate 211, a liquid storage tank 216 is arranged on the top of the base plate 211, a screw compressor 217 is arranged on the top of the connecting frame 214, a condenser 218 is arranged on the top of the connecting frame 214, a limit block 219 is fixedly mounted on the back of the cover plate 213, the limit block 219 is slidably mounted on the outside of the surrounding shell 1, and a pull rod 2110 is fixedly mounted on the front of the cover plate 213 to facilitate the installation and maintenance of the collection unit.

Furthermore, the limiting assembly 22 includes a connecting shell 221, which is fixedly installed on the outer side of the surrounding shell 1, a rotating column 222 is rotatably installed inside the connecting shell 221, a rotating wheel 223 is fixedly installed outside the rotating column 222, a gear 224 is fixedly installed outside the rotating column 222, a rack 225 is meshed on the outside of the gear 224, the rack 225 is slidably installed on the inner wall of the connecting shell 221, a slide plate 226 is fixedly installed on the bottom of the rack 225, the slide plate 226 is slidably installed with the connecting shell 221, a column 227 is fixedly installed on the bottom inner wall of the connecting shell 221, the slide plate 226 is slidably installed on the outside of the column 227, a spring 228 is fixedly installed between the bottom of the slide plate 226 and the connecting shell 221, and a plug column 229 is fixedly installed on the bottom of the slide plate 226 to facilitate the limiting work of the cover plate 213.

Furthermore, a through hole is opened inside the connection shell 221 at a position corresponding to the plug post 229, and the plug post 229 is slidably installed in the through hole to facilitate the lifting and lowering of the plug post 229.

Furthermore, a through hole is provided inside the limit block 219 at a position corresponding to the insertion column 229 , and the insertion column 229 is slidably installed in the through hole, so as to facilitate the limiting work of the limit block 219 .

Example 2

Please refer to Figures 7-8, and in combination with Example 1, it is further obtained that the replacement mechanism 3 includes a positioning frame 301, the positioning frame 301 is fixedly installed on the back of the surrounding shell 1, a filter plate 302 is slidably installed inside the positioning frame 301, a slider 303 is fixedly installed on the outside of the filter plate 302, a connecting plate 304 is fixedly installed on the top of the filter plate 302, a bolt 305 is threadedly installed on the internal thread of the connecting plate 304, the bolt 305 is threadedly installed with the positioning frame 301, a slide rod 306 is slidably installed inside the positioning frame 301, a handle 307 is fixedly installed on the back of the slide rod 306, and a brush 308 is fixedly installed on the front of the slide rod 306 to facilitate filtering and cleaning of dust.

Furthermore, a slide groove is provided inside the positioning frame 301 at a position corresponding to the sliding block 303 , and the sliding block 303 is slidably installed in the slide groove, so as to facilitate the limiting and positioning of the positioning frame 301 .

In actual operation, when the device is used, the rotating wheel 223 is rotated to rotate the rotating column 222 and the gear 224, so that the rack 225 drives the slide plate 226 to move upward, so that the plug column 229 is away from the limit block 219, thereby releasing the limit work on the cover plate 213. The bottom plate 211 and the universal wheel 212 are provided to facilitate moving the connecting frame 214 to a suitable area, so as to facilitate the installation or maintenance of the evaporator 215, the liquid storage tank 216, the screw compressor 217 and the condenser 218, and the operation is faster. By pushing the pull rod 2110, the bottom plate 211 and the surrounding shell 1 are slidably installed, so as to facilitate the rapid movement of the unit. Repeated operations, under the elastic action of the spring 228 , so that the slide plate 226 and the plug post 229 move toward the limit block 219, limit the cover plate 213, and through the filter plate 302, it is convenient to ventilate and dissipate heat of the unit and block the dust in the air. By pulling the handle 307 up and down, the slide bar 306 moves up and down. With the cooperation of the brush 308, it is convenient to clean the dust attached to the surface of the filter plate 302. By rotating the bolt 305 to keep it away from the positioning frame 301, it is convenient to release the limit of the connecting plate 304, so as to facilitate the filter plate 302 and the slide bar 306 away from the positioning frame 301, clean the filter plate 302 and the brush 308, and repeat the operation with the cooperation of the slider 303, so as to facilitate the positioning and limiting of the filter plate 302.

It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of further restrictions, the elements defined by the statement "comprise a ..." do not exclude the presence of other identical elements in the process, method, article or device including the elements.

Claims (7)

1. A screw condensing unit that is easy to install and overhaul, comprising a surrounding shell (1), characterized in that: a mounting mechanism (2) is arranged inside the surrounding shell (1), and a replacement mechanism (3) is arranged inside the surrounding shell (1); The mounting mechanism (2) comprises a moving component (21) and a limiting component (22); the moving component (21) is arranged on the inner wall of the surrounding shell (1), and the limiting component (22) is arranged outside the surrounding shell (1). 2. A screw condensing unit that is easy to install and overhaul according to claim 1, characterized in that: the moving component (21) comprises a bottom plate (211), the bottom plate (211) is slidably mounted on the inner wall of the surrounding shell (1), a universal wheel (212) is fixedly mounted on the bottom of the bottom plate (211), a cover plate (213) is fixedly mounted on the front of the bottom plate (211), a connecting frame (214) is fixedly mounted on the top of the bottom plate (211), and the bottom of the bottom plate (211) is fixedly mounted with a connecting frame (214). An evaporator (215) is arranged on the top, a liquid storage tank (216) is arranged on the top of the base plate (211), a screw compressor (217) is arranged on the top of the connecting frame (214), a condenser (218) is arranged on the top of the connecting frame (214), a limit block (219) is fixedly installed on the back of the cover plate (213), the limit block (219) is slidably installed on the outside of the surrounding shell (1), and a pull rod (2110) is fixedly installed on the front of the cover plate (213). 3. A screw condensing unit that is easy to install and overhaul according to claim 2, characterized in that: the limiting assembly (22) comprises a connecting shell (221), the connecting shell (221) is fixedly mounted on the outside of the surrounding shell (1), a rotating column (222) is rotatably mounted inside the connecting shell (221), a rotating wheel (223) is fixedly mounted outside the rotating column (222), a gear (224) is fixedly mounted outside the rotating column (222), a rack (225) is meshed outside the gear (224), and the rack (225) is meshed with the outside of the gear (224). The rack (225) is slidably mounted on the inner wall of the connecting shell (221), a slide plate (226) is fixedly mounted on the bottom of the rack (225), the slide plate (226) and the connecting shell (221) are slidably mounted, a column (227) is fixedly mounted on the bottom inner wall of the connecting shell (221), the slide plate (226) is slidably mounted on the outside of the column (227), a spring (228) is fixedly mounted between the bottom of the slide plate (226) and the connecting shell (221), and a plug column (229) is fixedly mounted on the bottom of the slide plate (226). 4. A screw condensing unit that is easy to install and maintain according to claim 3, characterized in that: a through hole is opened inside the connecting shell (221) at a position corresponding to the plug post (229), and the plug post (229) is slidably installed in the through hole. 5. A screw condensing unit that is easy to install and maintain according to claim 3, characterized in that: a through hole is opened inside the limit block (219) at a position corresponding to the plug post (229), and the plug post (229) is slidably installed in the through hole. 6. A screw condensing unit that is easy to install and overhaul according to claim 3, characterized in that: the replacement mechanism (3) comprises a positioning frame (301), the positioning frame (301) is fixedly mounted on the back of the surrounding shell (1), a filter plate (302) is slidably mounted inside the positioning frame (301), a slider (303) is fixedly mounted on the outside of the filter plate (302), a connecting plate (304) is fixedly mounted on the top of the filter plate (302), a bolt (305) is threadedly mounted on the inner part of the connecting plate (304), the bolt (305) is threadedly mounted on the positioning frame (301), a sliding rod (306) is slidably mounted inside the positioning frame (301), a handle (307) is fixedly mounted on the back of the sliding rod (306), and a brush (308) is fixedly mounted on the front of the sliding rod (306). 7. A screw condensing unit that is easy to install and maintain according to claim 6, characterized in that: a sliding groove is provided inside the positioning frame (301) at a position corresponding to the sliding block (303), and the sliding block (303) is slidably installed in the sliding groove.