Refrigeration liquid storage device with anti-leakage protection function

By designing multiple leak-proof structures in the refrigeration reservoir, using a micro motor to drive the threaded rotary rod and the connecting plate action to block the conveying, the problem that traditional refrigeration reservoirs are difficult to prevent liquid leakage is solved, and higher leakage-proof performance and safety are achieved.

CN120176337APending Publication Date: 2025-06-20NOBET AIR CONDITIONING (YANCHENG) CO LTD
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Patent Information

Application Number
CN202510465624.9
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2025-04-15
Publication Date
2025-06-20

AI Technical Summary

Technical Problem

The existing refrigeration reservoirs are difficult to effectively prevent liquid leakage during operation, especially when the automatic control rack and connecting sleeves need to be inspected and separated, which leads to waste of refrigerant and safety hazards, which cannot meet the safety and stability requirements in actual applications.

Method used

A refrigeration reservoir with anti-leak protection is designed, adopting multiple anti-leak structures, including limiting cylinders, micro motors, threaded rotary rods, connecting plates, patch plates and spring parts. When it is necessary to cut off the connection between the automatic control frame and the connecting sleeve, the threaded rotary rods are driven through the micro motor to drive the connecting plates and patch plates to block the conveying and prevent liquid leakage.

Benefits of technology

It effectively prevents the leakage of refrigerant, improves the leakage prevention performance of the liquid reservoir, ensures the safety and stability of the refrigeration system, and extends the service life of the equipment.

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Abstract

The invention provides a refrigeration liquid storage device with an anti-leakage protection function, and relates to the technical field of refrigeration liquid storage devices. And an outlet pipe is arranged in the middle of the bottom of the liquid storage tank, a limiting cylinder is fixedly installed at the bottom of the outlet pipe, and a micro motor is fixedly installed in the middle of the bottom of the limiting cylinder. The refrigeration liquid storage device is provided with multiple anti-leakage structures, when connection between an automatic control frame and a connecting sleeve needs to be cut off for overhauling, a micro motor is started, a threaded rotating rod is in threaded fit with a threaded hole sleeve frame, the threaded hole sleeve frame is made to move upwards, a connecting plate A, a connecting plate B and a pasting plate are driven to act, a strip-shaped groove of a pasting limiting barrel is attached to stop conveying, and the automatic control frame and the connecting sleeve need to be cut off for overhauling. The liquid is prevented from leaking from the outlet pipe and the limiting cylinder; the problems that when an automatic control frame, a connecting sleeve and other parts need to be overhauled and separated in the operation process of an existing refrigeration liquid storage device, a traditional liquid storage device cannot effectively prevent liquid leakage, refrigerant waste can be caused, and potential safety hazards can be possibly caused are solved.
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Description

Technical Field

[0001] The present invention relates to the technical field of refrigeration liquid storage devices, and particularly to a refrigeration liquid storage device with anti-leakage protection. Background Art

[0002] In a refrigeration system, a liquid storage device is an essential and indispensable component. Its main function is to store and regulate the flow rate of the refrigerant to ensure the stable operation of the refrigeration system. With the wide application of refrigeration technology in industrial production, commercial refrigeration, household refrigeration and other fields, the performance and safety of refrigeration liquid storage devices have attracted more and more attention.

[0003] Understanding the application of existing refrigeration liquid storage devices: In a refrigeration system, the refrigeration liquid storage device may leak during operation. Especially when it is necessary to repair and separate components such as the automatic control frame and the connecting sleeve, the traditional liquid storage device is difficult to effectively prevent liquid leakage. This not only causes waste of refrigerant, but also may pose safety hazards, affecting the normal operation of the refrigeration system and the service life of the equipment. At the same time, during the refrigerant transportation process, there is also a lack of a reliable anti-leakage guarantee mechanism, which cannot meet the requirements for safety and stability in practical applications. Once the liquid storage device has a leakage problem, it will not only lead to refrigerant loss, resulting in a decline in refrigeration effect, but also cause energy consumption and require energy replenishment.

[0004] Therefore, in view of this, research and improvement are carried out on the existing structure and deficiencies, and a refrigeration liquid storage device with anti-leakage protection is provided, with the expectation of achieving a more practical value purpose. Summary of the Invention

[0005] In order to solve the above technical problems, the present invention provides a refrigeration liquid storage device with anti-leakage protection to solve the problems that in an existing refrigeration system, when it is necessary to repair and separate components such as the automatic control frame and the connecting sleeve during the operation of the refrigeration liquid storage device, the traditional liquid storage device is difficult to effectively prevent liquid leakage, which not only causes waste of refrigerant, but also may pose safety hazards, affecting the normal operation of the refrigeration system, and during the refrigerant transportation process, there is also a lack of a reliable anti-leakage guarantee mechanism and cannot meet the requirements for safety and stability in practical applications.

[0006] The present invention provides a refrigeration liquid storage device with anti-leakage protection, specifically including: a liquid storage tank; a discharge pipe is arranged at the middle position of the bottom of the liquid storage tank, a limiting cylinder is fixedly installed at the bottom position of the discharge pipe, a micro motor is fixedly installed at the middle position of the bottom of the limiting cylinder, the top rotating shaft of the micro motor is fixedly connected to the bottom position of a threaded rotating rod, three strip-shaped grooves are opened at the circumferential position of the limiting cylinder, a support pipe cylinder is fixedly arranged inside the limiting cylinder, three connecting plates A are rotatably connected to the upper position of the circumferential surface of the support pipe cylinder, the other ends of the three connecting plates A are all attached to the inner side position of a attaching plate, a layer of rubber skin is arranged at the outer side position of each attaching plate, the three attaching plates are all located inside the limiting cylinder, and the three attaching plates all correspond to a strip-shaped groove of the limiting cylinder, a connecting plate B is rotatably connected to the lower inner side position of each attaching plate, and the other end position of the connecting plate B is rotatably connected to the lower outer side position of the support pipe cylinder.

[0007] Further, a feed pipe is fixedly connected to the middle position of the top of the liquid storage tank, and the liquid storage tank is located directly above the automatic control frame.

[0008] Further, the connecting plate A and the connecting plate B have the same length, the middle position of the connecting plate B is rotatably connected to one end of a transmission arm, the other ends of the three transmission arms are rotatably connected to the circumferential position of a threaded hole sleeve frame, a threaded hole is opened at the middle position of the threaded hole sleeve frame, the threaded hole sleeve frame is sleeved outside the threaded rotating rod and is threadedly connected thereto, and the upper end of the threaded rotating rod is rotatably connected to the lower end of the support pipe cylinder.

[0009] Further, a lining pipe is arranged at the middle and lower position inside the automatic control frame, the limiting cylinder is located inside the lining pipe, the bottom position of the discharge pipe is located inside the top end of the lining pipe, a spring member is sleeved at the middle and lower position of the lining pipe, the spring member is located at the middle and lower position inside the automatic control frame, the inside of the lining pipe is designed to be hollow, and flow holes are opened at the circumferential position of the bottom of the lining pipe.

[0010] Further, an automatic control plug is arranged at the bottom position of the spring member, the automatic control plug is sleeved at the middle and lower outer side position of the lining pipe, and the automatic control plug slides at the lower position inside the automatic control frame, and rubber rings are arranged on both the upper and lower sides of the middle position of the inner side of the automatic control plug.

[0011] Further, when the spring member is in the extended state, the automatic control plug and the automatic control frame will be at the maximum extension limit, and the flow holes at the circumferential position of the bottom of the lining pipe are located between the two rubber rings of the automatic control plug.

[0012] Further, the automatic control frame is connected to the connecting sleeve through a connecting bolt. The connecting sleeve is located directly below the automatic control frame. A T-shaped conical part is arranged inside the connecting sleeve. A guiding groove is formed on the circumferential surface at the top position of the conical part. An elastic telescopic rod is arranged at the lower position inside the conical part. A contact head is fixedly installed at the middle position of the top of the elastic telescopic rod. When the elastic telescopic rod is in the extended state, the circumferential surface position of the contact head fits the entrance position of the guiding groove.

[0013] Further, when the automatic control frame is connected to the connecting sleeve, both the spring part and the elastic telescopic rod are in the contracted state. The bottom of the automatic control plug is in contact with the top of the contact head. The flow-through hole of the lining tube is communicated with the guiding groove of the conical part.

[0014] Compared with the prior art, the present invention has the following beneficial effects: The refrigeration liquid storage device of the present invention is provided with a multiple anti-leakage structure. When it is necessary to cut off the connection between the automatic control frame and the connecting sleeve for maintenance, the micro motor is started. Through the threaded cooperation between the threaded rotating rod and the threaded sleeve frame, the threaded sleeve frame moves upward, driving the connecting plate A, the connecting plate B and the attaching plate to act, and the strip-shaped groove of the fitting limit cylinder is blocked to prevent the liquid from leaking from the outlet pipe and the fitting limit cylinder.

[0015] After the automatic control frame is separated from the connecting sleeve, the spring part extends to make the automatic control plug reach the maximum extension limit with the automatic control frame. The rubber ring of the automatic control plug seals the liquid inside the lining tube, achieving a secondary anti-leakage effect; the elastic telescopic rod extends, and the contact head fits into the upper entrance of the guiding groove arranged on the conical part, closing the internal space of the connecting sleeve to prevent leakage at the circulating part connected to the connecting sleeve, greatly improving the anti-leakage performance of the liquid storage device. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings of the embodiments will be briefly introduced below.

[0017] In the drawings: Figure 1 Shows a semi-sectional front view structural schematic diagram of a refrigeration liquid storage device with anti-leakage protection according to an embodiment of the present invention; Figure 2 Shows an embodiment according to the present invention Figure 1 Partial enlarged structural schematic diagram at A; Figure 3 Shows a semi-sectional side view structural schematic diagram of a refrigeration liquid storage device with anti-leakage protection according to an embodiment of the present invention; Figure 4 Shows a semi-sectional bottom side view structural schematic diagram of a refrigeration liquid storage device with anti-leakage protection according to an embodiment of the present invention; Figure 5 Shows a semi-sectional left view structural schematic diagram of a fitting limit cylinder and its accessories according to an embodiment of the present invention; Figure 6 Shows a schematic semi-sectional side view structure of a limit cylinder and its accessories according to an embodiment of the present invention; Figure 7 Shows a schematic semi-sectional front view structure of the overall self-control frame according to an embodiment of the present invention; Figure 8 Shows a schematic semi-sectional side view structure of the overall self-control frame according to an embodiment of the present invention; Figure 9 Shows a schematic semi-sectional front view structure of the connecting sleeve according to an embodiment of the present invention; Figure 10 Shows a schematic semi-sectional side view structure of the connecting sleeve according to an embodiment of the present invention.

[0018] List of reference numerals 1. Liquid storage tank; 101. Inlet pipe; 102. Outlet pipe; 103. Limit cylinder; 131. Micro motor; 132. Threaded rotating rod; 133. Support tube; 134. Connecting plate A; 135. Attachment plate; 136. Connecting plate B; 137. Transmission arm; 138. Screw hole sleeve frame; 2. Self-control frame; 201. Liner; 202. Spring member; 203. Self-control plug; 204. Connecting bolt; 3. Connecting sleeve; 301. Conical member; 302. Elastic telescopic rod; 303. Contact head; 304. Guide groove. Detailed implementation manners

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

[0020] Unless otherwise defined, all terms (including technical and scientific terms) used in the embodiments of the present disclosure have the same meaning as commonly understood by those of ordinary skill in the art to which the present disclosure belongs. It should also be understood that terms such as those defined in a common dictionary should be interpreted as having a meaning consistent with their meaning in the context of the relevant art, and should not be interpreted in an idealized or overly formal sense unless clearly defined in the embodiments of the present disclosure.

[0021] In the embodiments of the present disclosure, the terms "first", "second" and similar words do not denote any order, quantity or importance, but are only used to distinguish different components. Similar words such as "a", "an" or "the" do not denote a quantity limitation either, but mean that there is at least one. Similarly, words such as "comprising" or "including" mean that the elements or objects appearing before this word cover the elements or objects listed after this word and their equivalents, without excluding other elements or objects. In the following description, spatial and orientation terms such as "upper", "lower", "front", "rear", "top", "bottom", "vertical" and "horizontal" may be used to describe the embodiments of the present disclosure, but it should be understood that these terms are only for the convenience of describing the embodiments shown in the figures, and do not require the actual device to be constructed or operated in a specific orientation. In the following description, the use of terms such as "connected", "coupled", "fixed" and "attached" may refer to a direct connection between two elements or structures without other elements or structures, or may refer to an indirect connection between two elements or structures through intermediate elements or structures, unless otherwise expressly stated herein.

[0022] Embodiment: As shown in the Figure 1 accompanying Figure 10 drawings: The present invention provides a refrigeration liquid storage device with leak-proof protection, including: a liquid storage tank 1; a discharge pipe 102 is arranged at the middle position of the bottom of the liquid storage tank 1, a limiting cylinder 103 is fixedly installed at the bottom position of the discharge pipe 102, a micro motor 131 is fixedly installed at the middle position of the bottom of the limiting cylinder 103, the top rotating shaft of the micro motor 131 is fixedly connected to the bottom position of a threaded rotating rod 132, three strip-shaped grooves are formed in the circumferential surface position of the limiting cylinder 103, a support tube 133 is fixedly arranged inside the limiting cylinder 103, three connecting plates A134 are rotatably connected to the upper position of the circumferential surface of the support tube 133, the other ends of the three connecting plates A134 are all attached to the inner side position of a pasting plate 135, a layer of rubber skin is arranged on the outer side position of each pasting plate 135, the three pasting plates 135 are all located inside the limiting cylinder 103, and the three pasting plates 135 all correspond to a strip-shaped groove of the limiting cylinder 103. A connecting plate B136 is rotatably connected to the lower inner side position of each pasting plate 135, and the other end of the connecting plate B136 is rotatably connected to the lower outer side position of the support tube 133.

[0023] Wherein, an inlet pipe 101 is fixedly connected to the middle position of the top of the liquid storage tank 1, and the liquid storage tank 1 is located directly above the automatic control frame 2.

[0024] Among them, the connecting plate A134 and the connecting plate B136 have the same length. The middle position of the connecting plate B136 is rotatably connected to one end of the transmission arm 137. The other ends of the three transmission arms 137 are rotatably connected to the circumferential surface position of the screw hole sleeve frame 138. A threaded hole is provided at the middle position of the screw hole sleeve frame 138. The screw hole sleeve frame 138 is sleeved outside the threaded rotating rod 132 and is threadedly connected thereto. The upper end of the threaded rotating rod 132 is rotatably connected to the lower end of the support tube 133.

[0025] Among them, a liner tube 201 is provided at the lower middle position inside the self-control frame 2. The limit cylinder 103 is located inside the liner tube 201. The bottom position of the outlet pipe 102 is located inside the top end of the liner tube 201. A spring member 202 is sleeved at the lower middle position of the liner tube 201. The spring member 202 is located at the lower middle position inside the self-control frame 2. The inside of the liner tube 201 is designed to be hollow, and through-flow holes are provided at the circumferential surface position of the bottom of the liner tube 201.

[0026] Among them, a self-control plug 203 is provided at the bottom position of the spring member 202. The self-control plug 203 is sleeved outside the lower middle position of the liner tube 201, and the self-control plug 203 slides at the lower position inside the self-control frame 2. Rubber rings are provided on both the upper and lower sides of the middle position of the inner side of the self-control plug 203. When the spring member 202 is in the extended state, the self-control plug 203 and the self-control frame 2 will be at the maximum extension limit. The through-flow holes on the circumferential surface of the bottom of the liner tube 201 are located between the two rubber rings of the self-control plug 203.

[0027] Among them, the self-control frame 2 and the connecting sleeve 3 are connected by a connecting bolt 204. The connecting sleeve 3 is located directly below the self-control frame 2. A T-shaped conical member 301 is provided inside the connecting sleeve 3. A guiding groove 304 is provided on the circumferential surface of the top position of the conical member 301. An elastic telescopic rod 302 is provided at the lower position inside the conical member 301. A contact head 303 is fixedly installed at the middle position of the top of the elastic telescopic rod 302. When the elastic telescopic rod 302 is in the extended state, the circumferential surface position of the contact head 303 fits the entrance position of the guiding groove 304.

[0028] Among them, when the self-control frame 2 is connected to the connecting sleeve 3, both the spring member 202 and the elastic telescopic rod 302 are in the contracted state. The bottom of the self-control plug 203 is in contact with the top of the contact head 303. The through-flow holes of the liner tube 201 are communicated with the guiding groove 304 provided on the conical member 301.

[0029] During use: Inject the refrigerant into the liquid storage tank 1 through the inlet pipe 101. During the injection process, pay attention to observing the pressure change of the liquid storage tank 1 to ensure that the injection operation is carried out within the safe pressure range. The bottom position of the connecting sleeve 3 is connected to the circulation position. When the refrigerant flows out from the outlet pipe 102, it passes through components such as the limit cylinder 103, the through-flow holes of the liner tube 201, and the guiding groove 304 in sequence, and then is transferred to the circulation position by the connecting sleeve 3.

[0030] When it is necessary to cut off the connection between the automatic control frame 2 and the connecting sleeve 3 for maintenance, first start the micro-motor 131 to rotate the threaded rotating rod 132. Through the threaded fit between the threaded rotating rod 132 and the threaded hole of the threaded hole sleeve frame 138, the threaded hole sleeve frame 138 moves upward inside the limiting cylinder 103. The threaded hole sleeve frame 138 drives three connecting plates B136 to rotate through three transmission arms 137. The connecting plate A134 and the connecting plate B136 position and drive three attaching plates 135 to fit into the three strip-shaped grooves of the limiting cylinder 103, blocking the conveyance of the limiting cylinder 103 and preventing liquid leakage.

[0031] Next, remove the connecting bolt 204, and the automatic control frame 2 is disengaged from the fixed connection with the connecting sleeve 3. The automatic control frame 2 and the connecting sleeve 3 will be in a separated state. At this time, the spring member 202 is in an extended state, and the automatic control plug 203 and the automatic control frame 2 will be at the maximum extended limit. The flow-through holes on the circumferential surface of the bottom of the lining tube 201 are located in the middle position between the two rubber rings of the automatic control plug 203. The liquid inside the lining tube 201 is sealed inside itself by the two rubber rings of the automatic control plug 203, achieving the effect of secondary leakage prevention. At the same time, when the elastic telescopic rod 302 is in an extended state, the circumferential surface position of the contact head 303 fits into the upper inlet position of the guiding groove 304 provided on the conical member 301, closing the guiding groove 304 inside the internal space of the connecting sleeve 3, and no leakage will occur in the circulation part connected to the connecting sleeve 3.

[0032] The above is only the specific implementation manner of the present disclosure, but the protection scope of the present disclosure is not limited thereto. The protection scope of the present disclosure shall be subject to the protection scope of the claims.

Claims

1. A refrigeration liquid storage tank with anti-leakage protection, characterized in that: include: A liquid storage tank (1); an outlet pipe (102) is arranged at the middle position of the bottom of the liquid storage tank (1); a limiting cylinder (103) is fixedly installed at the bottom position of the outlet pipe (102); a micro motor (131) is fixedly installed at the middle position of the bottom of the limiting cylinder (103); a top rotating shaft of the micro motor (131) is fixedly connected to the bottom position of a threaded rotating rod (132); three strip grooves are opened at the circumferential position of the limiting cylinder (103); a supporting tube (133) is fixedly arranged at the inner position of the limiting cylinder (103); a rotating shaft is rotatably connected to the upper position of the circumferential surface of the supporting tube (133). Three connecting plates A (134), the other ends of the three connecting plates A (134) are all in contact with the inner side of a contact plate (135), a layer of rubber is provided on the outer side of each contact plate (135), the three contact plates (135) are all located inside the limiting tube (103), and the three contact plates (135) correspond to a strip groove of the limiting tube (103), the lower inner side of each contact plate (135) is rotatably connected to a connecting plate B (136), and the other end of the connecting plate B (136) is rotatably connected to the lower outer side of the supporting tube (133).

2. A refrigeration liquid storage container with anti-leakage protection as claimed in claim 1, characterized in that: An inlet pipe (101) is fixedly connected to the middle position of the top of the liquid storage tank (1), and the liquid storage tank (1) is located directly above the automatic control frame (2).

3. A refrigeration liquid storage container with anti-leakage protection as claimed in claim 1, characterized in that: The connecting plate A (134) and the connecting plate B (136) have the same length. The middle position of the connecting plate B (136) is rotatably connected to one end of a transmission arm (137). The other ends of the three transmission arms (137) are rotatably connected to the circumferential surface of a screw hole bracket (138). A screw hole is provided at the middle position of the screw hole bracket (138). The screw hole bracket (138) is sleeved on the outside of the threaded rotating rod (132) and is threadedly connected thereto. The upper end of the threaded rotating rod (132) is rotatably connected to the lower end of the support tube (133).

4. A refrigeration liquid storage container with anti-leakage protection as claimed in claim 2, characterized in that: A liner (201) is provided at a middle lower position inside the automatic control frame (2), a limiting cylinder (103) is located inside the liner (201), the bottom position of the outlet pipe (102) is located inside the top end of the liner (201), a spring member (202) is sleeved at a middle lower position of the liner (201), the spring member (202) is located at a middle lower position inside the automatic control frame (2), the inner position of the liner (201) is hollow, and a flow hole is provided at a bottom peripheral position of the liner (201).

5. A refrigeration liquid storage container with anti-leakage protection as claimed in claim 4, characterized in that: A self-controlled plug (203) is provided at the bottom of the spring member (202). The self-controlled plug (203) is sleeved at the lower outer position of the liner (201), and the self-controlled plug (203) slides at the lower inner position of the self-controlled frame (2). Rubber rings are provided at the middle and upper sides of the inner side of the self-controlled plug (203).

6. A refrigeration liquid storage container with anti-leakage protection as claimed in claim 5, characterized in that: When the spring member (202) is in an extended state, the automatic plug (203) and the automatic frame (2) are at their maximum extension limit, and the flow hole on the bottom peripheral surface of the liner (201) is located in the middle of the two rubber rings of the automatic plug (203).

7. A refrigeration liquid storage container with anti-leakage protection as claimed in claim 2, characterized in that: The automatic control frame (2) and the connecting sleeve (3) are connected via a connecting bolt (204); the connecting sleeve (3) is located directly below the automatic control frame (2); a T-shaped conical member (301) is provided inside the connecting sleeve (3); a guide groove (304) is provided on the circumference of the top position of the conical member (301); an elastic telescopic rod (302) is provided at the lower position inside the conical member (301); a contact head (303) is fixedly mounted at the middle position of the top of the elastic telescopic rod (302); when the elastic telescopic rod (302) is in an extended state, the circumference of the contact head (303) fits the entrance position of the guide groove (304).

8. A refrigeration liquid storage container with anti-leakage protection as claimed in claim 7, characterized in that: When the automatic control frame (2) is connected to the connecting sleeve (3), the spring member (202) and the elastic telescopic rod (302) are both in a contracted state, the bottom of the automatic control plug (203) fits with the top of the contact head (303), and the flow hole of the liner (201) is connected to the guide groove (304) provided in the conical member (301).