CN210648757U - Sealed pipe cutting device - Google Patents
Sealed pipe cutting device Download PDFInfo
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- CN210648757U CN210648757U CN201921557724.0U CN201921557724U CN210648757U CN 210648757 U CN210648757 U CN 210648757U CN 201921557724 U CN201921557724 U CN 201921557724U CN 210648757 U CN210648757 U CN 210648757U
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- refrigerant recovery
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Abstract
The utility model discloses a sealed pipe cutting device, which comprises a main shell, wherein the main shell is provided with an operation cavity, a refrigerant recovery port communicated with the operation cavity, an operation port, two first mounting ports and two second mounting ports, the two first mounting ports and the two second mounting ports are uniformly arranged at intervals along the circumferential direction of the main shell, and the refrigerant recovery port is used for communicating refrigerant recovery equipment and vacuum-pumping equipment; the cutting assembly comprises a cutter, each cutter part extends into the operation cavity and can move towards each other relatively to cut the process tube extending into the operation cavity; the extrusion assembly includes extrusion plates each extending partially into the operating chamber and movable toward one another to extrude a process tube extending into the operating chamber and collapsed by the cutting knife. The sealed pipe cutting device can effectively recycle the refrigerant in the process pipe, saves resources, avoids environmental pollution, and is simple in structure and convenient to cut the process pipe.
Description
Technical Field
The utility model relates to a refrigeration plant retrieves technical field, in particular to sealed pipe cutting device.
Background
Refrigerant recovery is of great significance for environmental protection, but in order to reduce refrigerant leakage and simplify system processes, part of small refrigeration equipment usually seals the whole refrigeration system by welding, such as a refrigerator, an ice chest, a refrigerated cabinet and the like, which brings difficulty to refrigerant recovery.
These small refrigeration systems that are fully enclosed by welding typically leave process tubes in the compressor or filter-drier that are sealed by welding, primarily for later evacuation and refrigerant charge in manufacturing or for maintenance during subsequent use. According to the structure and the characteristics of the process pipe of the refrigerating system, the refrigerant of the small refrigerating system which realizes the full sealing in a welding mode can be recycled by connecting the process pipe. How to cut off the welding end of the process pipe and connect and convey the refrigerant of the refrigerating system to the refrigerant recovery equipment under the conditions of avoiding the leakage of the refrigerant to the atmospheric environment and avoiding the mixing of the outside air into the recovered refrigerant is a key technology for realizing the recovery of the refrigerant of the small refrigerating equipment without a recovery interface.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a sealed pipe cutting device, when aiming at realizing cutting refrigeration plant technology pipe, retrieve refrigerant wherein.
In order to achieve the above object, the utility model provides a sealed pipe cutting device is applied to refrigeration plant's technology pipe, include:
the technical pipe comprises a main shell, a process pipe and a vacuum pump, wherein an operation cavity, a refrigerant recovery port, an operation port, two first installation ports and two second installation ports are formed in the main shell, the refrigerant recovery port is communicated with the operation cavity, the operation port extends into the operation cavity from the operation port, the two first installation ports and the two second installation ports are uniformly arranged at intervals along the circumferential direction of the main shell, the two first installation ports are oppositely arranged, the two second installation ports are oppositely arranged, and the refrigerant recovery port is used for communicating refrigerant recovery equipment and vacuum pumping equipment;
the cutting assembly comprises a cutter, each cutter is sleeved on one second mounting opening, and the cutter parts extend into the operating cavity and can move towards each other relatively to cut the process pipe extending into the operating cavity;
the extrusion components comprise extrusion rods, each extrusion rod is sleeved at one first mounting opening, the extrusion plate parts extend into the operation cavity and can move towards each other so as to extrude the process tube which extends into the operation cavity and is flattened by the cutter, and therefore the shape of the tube opening of the process tube is recovered to a certain degree.
Optionally, the cutting assembly further includes a second spring, the second spring is mounted to the main housing and sleeved on the cutting knife, and the second spring provides an elastic force to make the two cutting knives move away from each other;
the extrusion assembly further comprises a first spring, the first spring is mounted on the main shell and sleeved on the extrusion plates, and the first spring provides elastic force to enable the two extrusion plates to be away from each other.
Optionally, the extrusion assembly further comprises a first sealing element, and the first sealing element is annularly arranged at the first mounting opening;
optionally, the cutting assembly further comprises a second sealing element, and the second sealing element is arranged at the second mounting opening in a surrounding manner;
the extrusion assembly further comprises a first sealing element which is annularly arranged at the first mounting opening.
Optionally, the sealed pipe cutting device further comprises auxiliary limiting blocks arranged in the operation cavity, the auxiliary limiting blocks are provided with limiting holes, and each auxiliary limiting block is inserted between the process pipe and the operation cavity to assist in fixing the process pipe.
Optionally, the sealed pipe cutting device further comprises a sealing fixed block arranged in the operation cavity, the sealing fixed block is arranged on one side, away from the extrusion assembly, of the auxiliary limiting block, and the sealing fixed block is used for sealing and fixing the process pipe.
Optionally, the sealed pipe cutting device further comprises a flaring assembly, the flaring assembly comprises a flaring screw tap, the main shell is provided with a threaded hole communicated with the operation cavity, the threaded hole is formed in the opposite side of the operation opening, and the flaring screw tap is sleeved on the threaded hole and extends into the operation cavity through the threaded hole so as to enlarge the pipe diameter of the process pipe after cutting.
Optionally, the flaring assembly further comprises a handle connected to a side of the flaring tap facing away from the working chamber, the handle being rotated to move the flaring tap closer to or farther away from the process tube.
Optionally, the sealed pipe cutting device further comprises a clamp arm, and the clamp arm is used for assisting in pressing the extrusion rod or the cutting knife.
The technical scheme of the utility model is that the main shell is adopted, the main shell is provided with an operation cavity and a refrigerant recovery port, an operation port, two first mounting ports and two second mounting ports which are communicated with the operation cavity, a process pipe extends into the operation cavity from the operation port, the two first mounting ports and the two second mounting ports are uniformly arranged at intervals along the circumferential direction of the main shell, the two first mounting ports are oppositely arranged, the two second mounting ports are oppositely arranged, and the refrigerant recovery port is used for being communicated with a refrigerant recovery device; the cutting assembly comprises a cutter, each cutter is sleeved at a second mounting port, and the cutter parts extend into the operating cavity and can move towards each other relatively to cut the process pipe extending into the operating cavity; the extrusion assembly comprises extrusion plates, each extrusion plate is sleeved on a first mounting opening, the extrusion plates partially extend into the operation cavity and can move towards each other to extrude the process tube which extends into the operation cavity and is flattened by the cutter, and therefore the shape of the opening of the process tube is recovered to a certain degree.
The specific operation process of the application is as follows: the process pipe extends into the operation cavity from the operation opening, at the moment, vacuumizing equipment is used, air in the operation cavity is sucked out through the refrigerant recovery opening, the operation cavity is changed into a vacuum state, the air in the operation cavity is prevented from being mixed into refrigerant to be recovered, the two cutters respectively move towards one side of the process pipe and cut off the process pipe extending into the operation cavity, the two extrusion plates move towards the process pipe to extrude the process pipe extending into the operation cavity and flattened by the cutters, so that the shape of the pipe orifice of the process pipe is recovered to a certain degree, after the process pipe is cut off and the pipe orifice is opened, the internal refrigerant flows out and flows back to the refrigerant recovery equipment through the refrigerant recovery opening, the cut process pipe is drawn out, a new process pipe extends into the operation cavity, and the process is repeated.
It can be seen from the above process that the process tube is cut in the vacuum operation cavity, so that the refrigerant in the process tube can be effectively recovered while the process tube is cut, resources are saved, and environmental pollution is avoided.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.
FIG. 1 is a schematic structural view of an embodiment of a sealed pipe cutting device according to the present invention;
FIG. 2 is a top view of a portion of the sealed tube cutting apparatus shown in FIG. 1;
FIG. 3 is a cross-sectional view of the sealed tube cutting device shown in FIG. 2 taken along the direction III-III;
FIG. 4 is a cross-sectional view of the sealed tube cutting device shown in FIG. 2 taken along line IV-IV;
FIG. 5 is a cross-sectional view of the main housing of FIG. 1;
fig. 6 is a schematic structural view of the jawarms of fig. 1.
The reference numbers illustrate:
| reference numerals | Name (R) | Reference numerals | Name (R) | |
| 1 | Sealed |
31 | |
|
| 10 | |
32 | |
|
| | Operation chamber | 33 | |
|
| 10b | |
40 | Auxiliary limiting |
|
| | Operation port | 50 | Sealing |
|
| 10d | The |
60 | |
|
| 20 | |
61 | |
|
| 21 | |
62 | |
|
| 22 | |
70 | Clamp arm | |
| 23 | |
2 | |
|
| 30 | Cutting assembly |
The objects, features and advantages of the present invention will be further described with reference to the accompanying drawings.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
It should be noted that all the directional indicators (such as upper, lower, left, right, front and rear … …) in the embodiment of the present invention are only used to explain the relative position relationship between the components, the motion situation, etc. in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indicator is changed accordingly.
In addition, the descriptions related to "first", "second", etc. in the present invention are for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicit ly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, the meaning of "and/or" appearing throughout is to include three juxtapositions, exemplified by "A and/or B," including either the A or B arrangement, or both A and B satisfied arrangement. In addition, the technical solutions in the embodiments may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should not be considered to exist, and is not within the protection scope of the present invention.
Referring to fig. 1 to 6, the present invention provides a sealed pipe cutting device 1.
In the embodiment of the present application, the sealed tube cutting device 1 is applied to a process tube 2 of a refrigeration equipment, and comprises:
the process tube comprises a main shell 10, wherein an operation cavity 10a, a refrigerant recovery port 10b communicated with the operation cavity 10a, an operation port 10c, two first installation ports 10d and two second installation ports are formed in the main shell 10, the process tube 2 extends into the operation cavity 10a from the operation port 10c, the two first installation ports 10d and the two second installation ports are uniformly arranged at intervals along the circumferential direction of the main shell 10, the two first installation ports 10d are oppositely arranged, the two second installation ports are oppositely arranged, and the refrigerant recovery port 10b is used for being communicated with refrigerant recovery equipment;
two cutting assemblies 30, wherein each cutting assembly 30 comprises a cutter 31, each cutter 31 is sleeved on one second mounting opening, and the cutters 31 partially extend into the operating cavity 10a and can move towards each other relatively to cut the process tube 2 extending into the operating cavity 10 a;
two extrusion assemblies 20, the extrusion assembly 20 includes an extrusion plate 21, each extrusion plate 21 is sleeved on one of the first mounting openings 10d, the extrusion plates 21 partially extend into the operation cavity 10a and can move towards each other relatively to extrude the process tube 2 which extends into the operation cavity 10a and is squashed by the cutting knife 31, so that the orifice of the process tube 2 is restored to a certain degree.
The specific operation process of the application is as follows: the process tube 2 extends into the operation cavity 10a from the operation opening 10c, at the moment, a vacuumizing device is used, air in the operation cavity 10a is sucked out through the refrigerant recovery opening 10b, the operation cavity 10a is changed into a vacuum state, the air in the operation cavity 10a is prevented from being mixed into refrigerant to be recovered, the two cutting knives 31 respectively move towards one side of the process tube 2 and cut off the process tube 2 extending into the operation cavity 10a, the two extrusion plates 21 move towards the process tube 2 to extrude the process tube 2 extending into the operation cavity 10a and flattened by the cutting knives 31, so that the nozzle of the process tube 2 is recovered to a certain degree, after the process tube 2 is cut off and opened, the internal refrigerant flows out and flows back to the refrigerant recovery device through the refrigerant recovery opening 10b, the cut process tube 2 is extracted, a new process tube 2 extends into the operation cavity 10a, and the operation is repeated.
It can be seen from the above process that, in the present application, the process pipe 2 is cut in the vacuum operation cavity 10a, so that the process pipe 2 is cut, and meanwhile, the refrigerant in the process pipe 2 can be effectively recovered, resources are saved, and environmental pollution is avoided, and meanwhile, the sealed pipe cutting device 1 has a simple structure, and the process pipe 2 is cut conveniently.
In the present application, the refrigerant recovery device is connected to the vacuum-pumping device and the refrigerant recovery device through a pipeline, and the pipeline is provided with a three-way valve, by which the communication and the closing of the vacuum-pumping device or the refrigerant recovery device with the refrigerant recovery port 10b can be controlled. The vacuum-pumping equipment and the refrigerant recovery equipment can be selected according to actual needs, and are not particularly limited herein.
Referring to fig. 1 to 3 again, the sealed pipe cutting device 1 of the present application further includes a clamp arm 70, and the clamp arm 70 may be used to assist in pressing the pressing plate 21 or the cutting knife 31, so that a user can press the pressing plate 21 or the cutting knife 31 with less effort. Meanwhile, in order to enable the extruded extrusion plate 21 or the cutter 31 to automatically return to the initial position, four mounting grooves are formed in the main housing 10 corresponding to the first mounting hole 10d and the second mounting hole, the first spring 22 and the second spring 33 are accommodated in the mounting grooves and are respectively sleeved on the extrusion plate 21 and the cutter 31, and the first spring 22 and the second spring 33 provide elastic force, so that the two extrusion plates 21 and the two cutters 31 can be away from each other to return to the initial position after being pressed, and the next use of a user is facilitated.
In order to increase the sealing performance in the operation chamber 10a, in the present application, the sealing assembly includes a first sealing element 23 and a second sealing element 33 and other necessary sealing assemblies, the first sealing element 23 and the second sealing element 33 are guide sleeves having a sealing performance, the first sealing element 23 and the second sealing element 33 are annularly disposed at the first mounting port 10d and the second mounting port, and the pressing plate 21 and the cutting knife 31 are respectively sleeved on the first sealing element 23 and the second sealing element 33 and extend into the operation chamber 10a, so that the sealing performance in the operation chamber 10a is better, and the recovery effect of the refrigerant is better.
To prevent the squeeze plate 21 from collapsing the process tube orifice again during the process of squeezing the process tube 2, the surface of the squeeze plate 2 that contacts the process tube 2 may be curved or bent as appropriate.
Referring to fig. 3 and 4 again, the sealed pipe cutting device 1 further includes auxiliary limiting blocks 40 disposed in the operation cavity 10a, the auxiliary limiting blocks 40 form limiting holes, and each auxiliary limiting block 40 is inserted between the process pipe 2 and the operation cavity 10a to assist in fixing the process pipe 2; the sealed pipe cutting device 1 further comprises a sealing fixing block 50 arranged in the operation cavity 10a, the sealing fixing block 50 is arranged on one side of the auxiliary limiting block 40, which is far away from the extrusion assembly 20, and the sealing fixing block 50 is used for sealing and fixing the process pipe 2.
In this application, sealed pipe cutting device 1 still includes flaring subassembly 60, flaring subassembly 60 includes flaring screw tap 61, main casing body 10 offers the screw hole that communicates operation chamber 10a, the opposite side of operation mouth 10c is located to the screw hole, flaring screw tap 61 cup joints in the screw hole, and stretch into operation chamber 10a by the screw hole, with the butt in technology pipe 2, flaring subassembly 60 still includes handle 62, handle 62 connects in the one side that flaring screw tap 61 deviates from operation chamber 10a, rotate handle 62, so that flaring screw tap 61 is close to or keeps away from technology pipe 2.
In the actual use process, the user makes the flaring tap 61 move towards or away from the process pipe 2 by rotating the handle 62, the end of the flaring tap 61, which is away from the handle 62, is provided with a cone in a conical shape, after the user cuts off the process pipe 2 and extrudes the process pipe to restore a certain pipe orifice shape, the handle 62 is rotated to make the cone move towards one side of the process pipe 2, and then the pipe orifice of the process pipe 2 at the cut end is gradually enlarged, so that the outflow of the refrigerant can be accelerated, and the recovery efficiency of the refrigerant is improved.
The above only be the preferred embodiment of the utility model discloses a not consequently restriction the utility model discloses a patent range, all are in the utility model discloses a conceive, utilize the equivalent structure transform of what the content was done in the description and the attached drawing, or direct/indirect application all is included in other relevant technical field the utility model discloses a patent protection within range.
Claims (8)
1. A sealed pipe cutting device is applied to a process pipe of refrigeration equipment and is characterized by comprising:
the technical pipe comprises a main shell, a process pipe and a vacuum pump, wherein an operation cavity, a refrigerant recovery port, an operation port, two first installation ports and two second installation ports are formed in the main shell, the refrigerant recovery port is communicated with the operation cavity, the operation port extends into the operation cavity from the operation port, the two first installation ports and the two second installation ports are uniformly arranged at intervals along the circumferential direction of the main shell, the two first installation ports are oppositely arranged, the two second installation ports are oppositely arranged, and the refrigerant recovery port is used for communicating refrigerant recovery equipment and vacuum pumping equipment;
the cutting assembly comprises a cutter, each cutter is arranged at the second mounting opening, and the cutter parts extend into the operation cavity and can move towards each other relatively to cut the process pipe extending into the operation cavity;
the extrusion components comprise extrusion plates, each extrusion plate is sleeved on one first mounting opening, and the extrusion plates partially extend into the operation cavity and can move towards each other relatively to extrude the process tube which extends into the operation cavity and is flattened by the cutter.
2. The sealed tube cutting device according to claim 1, wherein the cutting assembly further comprises a second spring mounted to the main housing and sleeved to the cutting blade, the second spring providing a spring force to move the cutting blades away from each other;
the extrusion assembly further comprises a first spring, the first spring is mounted on the main shell and sleeved on the extrusion plates, and the first spring provides elastic force to enable the two extrusion plates to be away from each other.
3. The sealed tube cutting apparatus of claim 1, wherein said cutting assembly further comprises a second seal member disposed about said second mounting port;
the extrusion assembly further comprises a first sealing element which is annularly arranged at the first mounting opening.
4. The sealed tube cutting apparatus of claim 1, further comprising auxiliary stoppers disposed in the operating chamber, the auxiliary stoppers defining stopper holes, each of the auxiliary stoppers being interposed between the process tube and the operating chamber to assist in securing the process tube.
5. The sealed pipe cutting apparatus of claim 4, further comprising a seal retainer block disposed within said operating chamber, said seal retainer block being disposed on a side of said auxiliary stop block facing away from said cutting assembly, said seal retainer block being configured to seal and retain said process pipe.
6. The sealed tube cutting device according to any one of claims 1 to 5, further comprising a flaring assembly, wherein the flaring assembly comprises a flaring tap, the main housing is provided with a threaded hole communicated with the operation cavity, the threaded hole is arranged at the opposite side of the operation opening, and the flaring tap is sleeved in the threaded hole and extends into the operation cavity from the threaded hole so as to restore and enlarge the tube opening section of the cut and extruded process tube.
7. The sealed tube cutting apparatus of claim 6, wherein the flare assembly further comprises a handle attached to a side of the flare tap facing away from the working chamber, the handle being rotated to move the flare tap closer to or away from the process tube.
8. The sealed tube cutting device according to any one of claims 1 to 5, further comprising a nipper arm for assisting in pressing the cutting knife or the pressing plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921557724.0U CN210648757U (en) | 2019-09-19 | 2019-09-19 | Sealed pipe cutting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921557724.0U CN210648757U (en) | 2019-09-19 | 2019-09-19 | Sealed pipe cutting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210648757U true CN210648757U (en) | 2020-06-02 |
Family
ID=70836373
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921557724.0U Active CN210648757U (en) | 2019-09-19 | 2019-09-19 | Sealed pipe cutting device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210648757U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110524045A (en) * | 2019-09-19 | 2019-12-03 | 北海职业学院 | Sealed pipe installation |
-
2019
- 2019-09-19 CN CN201921557724.0U patent/CN210648757U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110524045A (en) * | 2019-09-19 | 2019-12-03 | 北海职业学院 | Sealed pipe installation |
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