Vector frequency conversion intelligent non-negative pressure water supply equipment

Abstract

The utility model relates to the technical field of non-negative pressure water supply, and discloses vector frequency conversion intelligent non-negative pressure water supply equipment which comprises a base, a multi-stage water pump unit installed on the upper side of the base, and a steady flow regulator installed on the upper side of the base, and a pipeline used for water circulation is installed between the steady flow regulator and the multi-stage water pump unit. A water inlet pipe is installed on the upper side of the base, a water outlet pipe is installed on the side portion of the steady flow regulator, first connecting pipes used for being connected with the multi-stage water pump unit are installed on the side portion of the water inlet pipe, and second connecting pipes used for being communicated with water flow in the water inlet pipe are installed on the side portion of the multi-stage water pump unit and connected with the first connecting pipes. And a connecting ring is mounted on the outer sides of the second connecting pipe and the first connecting pipe and used for clamping the second connecting pipe and the second connecting pipe. According to the scheme, the structure is simple, operation is convenient and fast, the connecting ring is manually pulled downwards, stable butt joint of the first connecting pipe and the second connecting pipe is achieved, time is saved, and the labor cost is reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of non-negative pressure water supply, in particular to vector frequency conversion intelligent non-negative pressure water supply equipment. Background Art

[0002] Vector frequency conversion intelligent non-negative pressure water supply equipment is an advanced water pump system that uses vector frequency conversion technology for motor control and has intelligent management functions. It can avoid negative pressure during the water supply process and improve the efficiency and reliability of the water supply system.

[0003] Vector frequency conversion intelligent non-negative pressure water supply equipment usually includes vector frequency conversion controller, non-negative pressure water tank, intelligent monitoring system, electric pump and electric pump, etc. Through the vector frequency conversion controller, the operation of the water pump can be accurately adjusted to ensure the stability of water pressure in various parts of the water supply system; using vector frequency conversion technology, the operating speed and output flow of the water pump can be adjusted according to actual needs to achieve energy efficiency optimization and reduce energy consumption.

[0004] At present, the connection between pipes and equipment (such as pumps and valves) in water supply equipment is usually ensured by tightening threads and sealing gaskets to ensure the sealing and stability of the connection. However, the connection method is relatively simple. If the connection is not tight, water leakage may occur during subsequent use. Therefore, it does not meet the existing needs. In this regard, we have proposed a vector variable frequency intelligent non-negative pressure water supply equipment. Utility Model Content

[0005] The utility model provides a vector frequency conversion intelligent non-negative pressure water supply equipment, which has the beneficial effect of enabling multiple docking of pipelines, and solves the problem that the water supply equipment mentioned in the above background technology is used to connect pipelines and equipment (such as pumps, valves), usually by bolts and sealing washers to ensure the sealing and stability of the connection, but the connection method is relatively simple. If the connection is not tight, water leakage may occur during subsequent use.

[0006] The utility model provides the following technical solutions: vector frequency conversion intelligent non-negative pressure water supply equipment, including a base, and a multi-stage water pump unit installed on the upper side of the base, and a flow regulator installed on the upper side of the base, an inlet pipe is installed on the upper side of the base, a water outlet pipe is installed on the side of the flow regulator, a first connecting pipe for connecting with the multi-stage water pump unit is installed on the side of the water inlet pipe, a second connecting pipe for communicating with the water flow inside the water inlet pipe is installed on the side of the multi-stage water pump unit, the second connecting pipe is connected to the first connecting pipe, and a connecting ring is installed on the outside of the second connecting pipe and the first connecting pipe, and the connecting ring is used to make the second connecting pipe and the second connecting pipe engage with each other.

[0007] As an optional solution for the vector frequency conversion intelligent non-negative pressure water supply equipment described in the utility model, wherein: a locking groove is provided on the outer side of the second connecting pipe, the connecting ring is slidably matched with the locking groove, a plurality of connecting grooves are provided on the surface of the second connecting pipe, and the plurality of connecting grooves are arranged in a ring shape on the surface of the second connecting pipe, and a locking block is movably installed inside the connecting groove.

[0008] As an optional solution for the vector variable frequency intelligent non-negative pressure water supply equipment described in the utility model, wherein: the cross-sectional shape of the locking block is set to a rounded rectangle, a sliding groove is opened on the inner wall of the connecting groove, and sliding blocks are symmetrically installed on the side of the locking block, and the sliding blocks slide in cooperation with the sliding groove.

[0009] As an optional solution for the vector frequency conversion intelligent non-negative pressure water supply equipment described in the utility model, a connecting column is installed between the sliding grooves, the sliding block is slidably fitted on the surface of the connecting column, and a reset spring for resetting the locking block is movably sleeved on the surface of the connecting column.

[0010] As an optional solution for the vector frequency conversion intelligent non-negative pressure water supply equipment described in the utility model, wherein: the inner wall of the connecting ring is integrated with a clamping ring, the movable sleeve inside the clamping groove is provided with a connecting spring, and the upper end surface of the connecting spring is in contact with the clamping ring.

[0011] As an optional solution of the vector variable frequency intelligent non-negative pressure water supply equipment described in the utility model, wherein: an annular block is installed inside the second connecting pipe, and a sealing ring is installed on the surface of the annular block.

[0012] As an optional solution for the vector variable frequency intelligent non-negative pressure water supply equipment described in the utility model, wherein: the side of the first connecting pipe is installed with an inclined block for abutting the locking block, the side of the first connecting pipe is provided with a groove for locking with the locking block, and the inclined block is arranged adjacent to the upper side of the groove.

[0013] As an optional solution for the vector variable frequency intelligent non-negative pressure water supply equipment described in the utility model, wherein: a docking thread section is opened on the outer side of the first connecting pipe, and a connecting thread section is opened on the inner wall of the second connecting pipe, and the docking thread section is arranged corresponding to the connecting thread section.

[0014] The utility model has the following beneficial effects:

[0015] 1. The vector frequency conversion intelligent non-negative pressure water supply equipment, when connecting the first connecting pipe and the second connecting pipe, manually pull the connecting ring downward, the connecting ring squeezes the connecting spring during the movement, and the connecting ring loses the restriction on the locking block, and the end of the second connecting pipe docks with the first connecting pipe. During the docking process, the inclined block installed on the side of the first connecting pipe resists the locking block, and the locking block is prevented from affecting the docking of the first connecting pipe and the second connecting pipe as much as possible. As the docking continues, the inclined block loses the resistance to the locking block, and the groove at the first connecting pipe corresponds to the locking block, so that the locking block is engaged with the groove. At the same time, the operator releases the pulling of the connecting ring, and the connecting ring is reset by the connecting spring, so that the side wall of the connecting ring continues to restrict the locking block, and the locking block is prevented from engaging with the groove due to displacement as much as possible, so as to achieve the stability of the connection between the first connecting pipe and the second connecting pipe; This solution has a simple structure and is easy to operate. When connecting the first connecting pipe and the second connecting pipe, the connecting ring is manually pulled downward to achieve the stability of the docking of the first connecting pipe and the second connecting pipe, saving time and labor costs.

[0016] 2. The vector variable frequency intelligent non-negative pressure water supply equipment can effectively prevent liquid leakage and ensure the sealing of the connection when the first connecting pipe and the second connecting pipe are butt-jointed through the cooperation of the annular block and the sealing ring; through the setting of the butt thread section and the connecting thread section, after the first connecting pipe and the second connecting pipe are butt-jointed, the first connecting pipe and the second connecting pipe can also be threadedly installed, further improving the butt joint stability and reducing the possibility of water leakage. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a three-dimensional structural schematic diagram of the utility model.

[0018] Figure 2 It is a schematic diagram of the enlarged structure of point A of the utility model.

[0019] Figure 3 It is a schematic diagram of the cross-sectional structure of the first connecting pipe and the second connecting pipe of the utility model.

[0020] Figure 4 It is a schematic diagram of the structure of the oblique block abutting the engaging block of the utility model.

[0021] Figure 5 It is a schematic diagram of the engagement structure of the first connecting pipe and the second connecting pipe of the utility model.

[0022] Figure 6 It is a schematic diagram of the enlarged structure of point B of the utility model.

[0023] In the figure: 110, base; 111, water inlet pipe; 112, water outlet pipe; 120, water pump unit; 130, flow regulator; 140, pipeline; 150, first connecting pipe; 151, second connecting pipe; 152, connecting ring; 160, snap-fit ​​groove; 161, connecting groove; 162, snap-fit ​​block; 163, sliding groove; 164, sliding block; 170, connecting column; 171, reset spring; 180, snap-fit ​​ring; 181, connecting spring; 190, annular block; 191, sealing ring; 210, oblique block; 211, groove; 220, docking thread section; 221, connecting thread section. DETAILED DESCRIPTION

[0024] 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.

[0025] Embodiment 1: This embodiment is intended to promote the solution of the problem that the connection between pipes and equipment such as pumps and valves in water supply equipment is usually ensured by tightening threads and sealing washers to ensure the sealing and stability of the connection. However, the connection method is relatively simple. If the connection is not tight, water may leak during subsequent use. Please refer to Figure 1-Figure 6 The vector variable frequency intelligent non-negative pressure water supply device includes a base 110, and a multi-stage water pump unit 120 installed on the upper side of the base 110, the multi-stage water pump unit 120 includes a plurality of water pumps, which are not explained in this embodiment because the water pump is a common device, and a flow regulator 130 installed on the upper side of the base 110, a pipe 140 for water circulation is installed between the flow regulator 130 and the multi-stage water pump unit 120, and a water inlet pipe 111 is installed on the upper side of the base 110, and the flow regulator 130 side The outlet pipe 112 is installed at the bottom, the first connecting pipe 150 for connecting with the multi-stage water pump unit 120 is installed at the side of the water inlet pipe 111, and the second connecting pipe 151 for communicating with the water flow inside the water inlet pipe 111 is installed at the side of the multi-stage water pump unit 120. The second connecting pipe 151 is connected to the first connecting pipe 150, and the second connecting pipe 151 is installed with the outside of the first connecting pipe 150. The connecting ring 152 is used to make the second connecting pipe 151 and the second connecting pipe 151 engage. The flow regulator 130 is a common device, so it is not explained in this embodiment.

[0026] A snap-fit ​​groove 160 is provided on the outer side of the second connecting tube 151, and the connecting ring 152 is slidably matched with the snap-fit ​​groove 160. A plurality of connecting grooves 161 are provided on the surface of the second connecting tube 151. The plurality of connecting grooves 161 are arranged in a ring shape on the surface of the second connecting tube 151, and a snap-fit ​​block 162 is movably installed inside the connecting groove 161.

[0027] The cross-sectional shape of the engaging block 162 is set to be a rounded rectangle. The inner wall of the connecting groove 161 is provided with a sliding groove 163 . The side of the engaging block 162 is symmetrically mounted with sliding blocks 164 , and the sliding blocks 164 are slidably matched with the sliding groove 163 .

[0028] A connecting column 170 is installed between the sliding grooves 163 , and the sliding block 164 is slidably fitted on the surface of the connecting column 170 . A return spring 171 for returning the engaging block 162 is movably sleeved on the surface of the connecting column 170 .

[0029] A snap ring 180 is integrally provided on the inner wall of the connecting ring 152 , and a connecting spring 181 is movably sleeved inside the snap groove 160 , and the upper end surface of the connecting spring 181 contacts the snap ring 180 .

[0030] In this embodiment, when the first connecting tube 150 and the second connecting tube 151 are connected, the connecting ring 152 is manually pulled downward, and the connecting ring 152 squeezes the connecting spring 181 during the movement, so that the connecting ring 152 loses the restriction on the locking block 162, and the end of the second connecting tube 151 is docked with the first connecting tube 150. During the docking process, the inclined block 210 installed on the side of the first connecting tube 150 contacts the locking block 162, and the locking block 162 is prevented from affecting the docking of the first connecting tube 150 and the second connecting tube 151 as much as possible. As the docking continues, the inclined block 210 loses the contact with the locking block 162, and the groove 211 at the first connecting tube 150 is engaged with the locking block 162 corresponds to each other, so that the locking block 162 is locked with the groove 211. At the same time, the operator releases the pulling of the connecting ring 152, and the connecting ring 152 is reset by the connecting spring 181. Therefore, the side wall of the connecting ring 152 continues to restrict the locking block 162, and avoids the locking of the locking block 162 with the groove 211 due to displacement as much as possible, thereby achieving the stable connection between the first connecting tube 150 and the second connecting tube 151; this solution has a simple structure and is easy to operate. When connecting the first connecting tube 150 and the second connecting tube 151, the connecting ring 152 is manually pulled downward to achieve the stable docking of the first connecting tube 150 and the second connecting tube 151, saving time and labor costs.

[0031] Embodiment 2: This embodiment is intended to promote the solution of the problem of further improving the sealing effect after docking. This embodiment is an improvement made on the basis of embodiment 1. For details, please refer to Figure 1-Figure 6An annular block 190 is installed inside the second connecting pipe 151 , and a sealing ring 191 is installed on the surface of the annular block 190 . The sealing ring 191 contacts the bottom side of the first connecting pipe 150 .

[0032] The first connecting tube 150 is provided with an inclined block 210 for contacting the engaging block 162 on its side, and a groove 211 for engaging with the engaging block 162 is provided on its side, and the inclined block 210 is arranged adjacent to the upper side of the groove 211. A butt-joint thread section 220 is provided on the outer side of the first connecting tube 150, and a connecting thread section 221 is provided on the inner wall of the second connecting tube 151, and the butt-joint thread section 220 and the connecting thread section 221 are arranged correspondingly.

[0033] In this embodiment: when the first connecting tube 150 and the second connecting tube 151 are docked, the cooperation of the annular block 190 and the sealing ring 191 can effectively prevent liquid leakage and ensure the sealing of the connection; by setting the docking thread section 220 and the connecting thread section 221, after the first connecting tube 150 and the second connecting tube 151 are completed, the first connecting tube 150 and the second connecting tube 151 can also be threadedly installed, thereby further improving the docking stability and reducing the possibility of water leakage.

[0034] 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.

[0035] The above is only a preferred embodiment of the present invention. It should be pointed out that for ordinary technicians in this technical field, several improvements and modifications can be made without departing from the technical principle of the present invention. These improvements and modifications should also be regarded as the protection scope of the present invention.

Claims

1. A vector frequency conversion intelligent non-negative pressure water supply device, comprising a base (110), a multi-stage water pump unit (120) installed on the upper side of the base (110), and a flow regulator (130) installed on the upper side of the base (110), characterized in that: A pipe (140) for water circulation is installed between the flow regulator (130) and the multi-stage water pump unit (120); a water inlet pipe (111) is installed on the upper side of the base (110); a water outlet pipe (112) is installed on the side of the flow regulator (130); first connecting pipes (150) for connecting with the multi-stage water pump unit (120) are installed on the side of the water inlet pipe (111); a second connecting pipe (151) for communicating with the water flow inside the water inlet pipe (111) is installed on the side of the multi-stage water pump unit (120); the second connecting pipe (151) is connected to the first connecting pipe (150); and connecting rings (152) are installed on the outer sides of the second connecting pipe (151) and the first connecting pipe (150); the connecting ring (152) is used to make the second connecting pipe (151) and the second connecting pipe (151) engage with each other.

2. The vector frequency conversion intelligent non-negative pressure water supply equipment according to claim 1 is characterized in that: A snap-fit ​​groove (160) is provided on the outer side of the second connecting tube (151), and the connecting ring (152) is slidably matched with the snap-fit ​​groove (160). A plurality of connecting grooves (161) are provided on the surface of the second connecting tube (151), and the plurality of connecting grooves (161) are arranged in a circular shape on the surface of the second connecting tube (151), and a snap-fit ​​block (162) is movably installed inside the connecting groove (161).

3. The vector frequency conversion intelligent non-negative pressure water supply equipment according to claim 2 is characterized in that: The cross-sectional shape of the engaging block (162) is set to be a rounded rectangle, the inner wall of the connecting groove (161) is provided with a sliding groove (163), and the side of the engaging block (162) is symmetrically mounted with a sliding block (164), and the sliding block (164) is slidably matched with the sliding groove (163).

4. The vector frequency conversion intelligent non-negative pressure water supply equipment according to claim 3 is characterized by: A connecting column (170) is installed between the sliding grooves (163), the sliding block (164) is slidably fitted on the surface of the connecting column (170), and a reset spring (171) for resetting the locking block (162) is movably sleeved on the surface of the connecting column (170).

5. The vector frequency conversion intelligent non-negative pressure water supply equipment according to claim 2 is characterized in that: The inner wall of the connecting ring (152) is integrally provided with a snap ring (180), and a connecting spring (181) is movably sleeved inside the snap groove (160), and the upper end surface of the connecting spring (181) is in contact with the snap ring (180).

6. The vector frequency conversion intelligent non-negative pressure water supply equipment according to claim 1 is characterized in that: An annular block (190) is installed inside the second connecting pipe (151), and a sealing ring (191) is installed on the surface of the annular block (190).

7. The vector frequency conversion intelligent non-negative pressure water supply equipment according to claim 2 is characterized by: The first connecting tube (150) is provided with an inclined block (210) on its side for contacting the locking block (162); the first connecting tube (150) is provided with a groove (211) on its side for locking with the locking block (162); the inclined block (210) is arranged adjacent to the upper side of the groove (211).

8. The vector frequency conversion intelligent non-negative pressure water supply equipment according to claim 1 is characterized by: The first connecting tube (150) is provided with a butt-jointed threaded section (220) on its outer side, and the second connecting tube (151) is provided with a connecting threaded section (221) on its inner wall, and the butt-jointed threaded section (220) and the connecting threaded section (221) are arranged correspondingly.

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