阅读说明：本技术 一种水泵节流装置 (Water pump throttling device ) 是由 苏振军 于 2019-10-14 设计创作，主要内容包括：本发明公开了一种水泵节流装置,包括闸阀块,所述闸阀块上设有腔室,所述腔室的两侧内壁分别开设有进水口和出水口,所述腔室的两侧内壁上分别滑动安装有第一挡板和第二挡板,且第一挡板和第二挡板分别完全覆盖腔室的进水口和出水口,腔室的顶部内壁上转动安装有转轴,转轴的外侧固定套设有齿轮,腔室的顶部内壁上滑动安装有齿条,齿条和齿轮相啮合,且齿条的一端和腔室的一侧内壁紧密贴合。本发明结构简单,操作便捷,通过闸阀块上的进水口和出水口,闸阀块上的进水口关得越小,增加的阻力越大,流量就变得越小的原理,简易便行,可以满足人们随意改变水泵流量的需求,延伸了水泵节流的使用范围,值得广泛推广。(The invention discloses a water pump throttling device which comprises a gate valve block, wherein a cavity is arranged on the gate valve block, a water inlet and a water outlet are respectively formed in the inner walls of two sides of the cavity, a first baffle and a second baffle are respectively installed on the inner walls of two sides of the cavity in a sliding mode, the first baffle and the second baffle respectively and completely cover the water inlet and the water outlet of the cavity, a rotating shaft is rotatably installed on the inner wall of the top of the cavity, a gear is fixedly sleeved on the outer side of the rotating shaft, a rack is installed on the inner wall of the top of the cavity in a sliding mode, the rack is meshed with the gear, and one end of the rack is tightly. The invention has simple structure and convenient operation, is simple and convenient to operate, can meet the requirement of people on randomly changing the flow of the water pump by adopting the principle that the water inlet on the gate valve block is smaller and the increased resistance is larger, the water inlet on the gate valve block is smaller, and the flow is smaller, thereby extending the application range of water pump throttling and being worthy of wide popularization.)

1. The water pump throttling device comprises a gate valve block (1) and is characterized in that a cavity (2) is arranged on the gate valve block (1), a water inlet and a water outlet are respectively formed in two side inner walls of the cavity (2), a first baffle (12) and a second baffle (15) are respectively and slidably mounted on the two side inner walls of the cavity (2), the first baffle (12) and the second baffle (15) respectively and completely cover the water inlet and the water outlet of the cavity (2), a rotating shaft (6) is rotatably mounted on the top inner wall of the cavity (2), a gear (8) is fixedly sleeved on the outer side of the rotating shaft (6), a rack (10) is slidably mounted on the top inner wall of the cavity (2), the rack (10) is meshed with the gear (8), one end of the rack (10) is tightly attached to one side inner wall of the cavity (2), an action rod (11) is mounted on the bottom of the rack (10) in a rotating mode, and the bottom of action bar (11) and the top of first baffle (12) are rotated and are connected, action bar (11) are vertical state, threaded connection has screw block (13) on pivot (6), one side fixed mounting of screw block (13) has Z shaped plate (14), one side of screw block (13) and one side fixed connection of second baffle (15) are kept away from in Z shaped plate (14), cover seat (17) on the bottom inner wall of cavity (2), recess (18) are seted up at the top of cover seat (17), slidable mounting has same diaphragm on the both sides inner wall of recess (18), and the top fixed mounting of diaphragm has carriage release lever (20), the top of carriage release lever (20) extends to the top of cover seat (17) and the bottom fixed connection of screw block (13).

2. A water pump throttling device according to claim 1, wherein a water outlet pipe (4) is connected to the water outlet of the chamber (2) in a sealing and threaded manner, one end of the water outlet pipe (4) far away from the chamber (2) extends to one side of the gate valve block (1) and is connected with the water pump (3) in a sealing and threaded manner, and a water inlet pipe (5) is connected to the water inlet of the water pump (3) in a sealing and threaded manner.

3. The throttling device of the water pump according to claim 1, characterized in that the top of the rotating shaft (6) penetrates through the inner wall of the top of the chamber (2) and extends to the upper part of the gate valve block (1), and the top of the rotating shaft (6) is fixedly provided with a knob (7).

4. A water pump throttling device according to claim 1, wherein two symmetrically arranged sliding blocks (9) are slidably mounted on the inner wall of the top of the chamber (2), the bottoms of the two sliding blocks (9) are fixedly connected with the top of the rack (10), and the rack (10) is slidably connected with the inner wall of the top of the chamber (2) through the two sliding blocks (9).

5. The throttling device of the water pump according to claim 1, characterized in that a retarding spring (19) is fixedly installed on one side of the inner wall of the groove (18), and the retarding spring (19) and the outer side of the moving rod (20) are fixedly sleeved.

6. A water pump throttling device according to claim 1, wherein a connecting rod (21) is rotatably mounted on one side of the moving rod (20), a sliding rod (22) is rotatably mounted on one side of the connecting rod (21), the sliding rod (22) is slidably connected with the inner wall of one side of the chamber (2), a limiting rod (23) is rotatably mounted on the sliding rod (22), and the bottom of the limiting rod (23) is slidably connected with the inner wall of the bottom of the chamber (2).

7. A water pump throttling device according to claim 1, wherein a connecting pipe is connected to the outlet of the chamber (2) in a sealing and threaded manner, a connecting flange (16) is fixedly mounted on one side of the connecting pipe, and the connecting flange (16) is located on one side of the gate valve block (1).

Technical Field

The invention relates to the technical field of water pumps, in particular to a water pump throttling device.

Background

Water pumps are machines that deliver or pressurize a liquid. It transfers the mechanical energy of prime mover or other external energy to liquid to increase the energy of liquid, and is mainly used to transfer liquid including water, oil, acid-base liquid, emulsion, suspoemulsion and liquid metal.

Disclosure of Invention

The invention aims to solve the defects in the prior art and provides a water pump throttling device.

In order to achieve the purpose, the invention adopts the following technical scheme:

a water pump throttling device comprises a gate valve block, wherein a cavity is arranged on the gate valve block, a water inlet and a water outlet are respectively formed in the inner walls of two sides of the cavity, a first baffle and a second baffle are respectively and slidably mounted on the inner walls of two sides of the cavity and respectively and completely cover the water inlet and the water outlet of the cavity, a rotating shaft is rotatably mounted on the inner wall of the top of the cavity, a gear is fixedly mounted on the outer side of the rotating shaft in a fixing mode, a rack is slidably mounted on the inner wall of the top of the cavity and meshed with the gear, one end of the rack is tightly attached to the inner wall of one side of the cavity, an action rod is rotatably mounted at the bottom of the rack, the bottom of the action rod is rotatably connected with the top of the first baffle, the action rod is in a vertical state, a threaded block is connected to the rotating shaft in a threaded mode, one side that the screw thread piece was kept away from to the Z shaped plate and one side fixed connection of second baffle, the cover seat on the bottom inner wall of cavity, the top of cover seat is seted up flutedly, slidable mounting has same diaphragm on the both sides inner wall of recess, and the top fixed mounting of diaphragm has the carriage release lever, the top of carriage release lever extend to the top of cover seat and with the bottom fixed connection of screw thread piece.

Preferably, the sealed threaded connection of delivery port department of cavity has the outlet pipe, the one end that the cavity was kept away from to the outlet pipe extends to one side and the sealed threaded connection of gate valve piece has the water pump, the sealed threaded connection of inlet port department of water pump has the inlet tube.

Preferably, the top of the rotating shaft penetrates through the inner wall of the top of the chamber and extends to the upper part of the gate valve block, and the top of the rotating shaft is fixedly provided with a knob.

Preferably, slidable mounting has two sliders of symmetry setting on the top inner wall of cavity, the bottom of two sliders all with the top fixed connection of rack, the rack is through the top inner wall sliding connection of two sliders and cavity.

Preferably, a retarding spring is fixedly mounted on the inner wall of one side of the groove, and the retarding spring and the moving rod are fixedly sleeved outside.

Preferably, one side of carriage release lever is rotated and is installed the connecting rod, one side of connecting rod is rotated and is installed the slide bar, and slide bar and one side inner wall sliding connection of cavity, rotate on the slide bar and install the gag lever post, and the bottom of gag lever post and the bottom inner wall sliding connection of cavity.

Preferably, the water outlet of the chamber is connected with a connecting pipeline in a sealing threaded manner, a connecting flange is fixedly mounted on one side of the connecting pipeline, and the connecting flange is located on one side of the gate valve block.

Compared with the prior art, the invention has the beneficial effects that: the gate valve block is hermetically connected with an external transmission pipeline through a connecting flange, a schematic diagram of a closed structure of the gate valve block is shown in the attached drawing 1, the knob cannot rotate anticlockwise, when the flow of water flow in the gate valve block needs to be changed, the knob is rotated clockwise, the rack moves transversely to enable the action rod to generate upward acting force, and the first baffle moves upwards away from the water inlet under the action of the upward acting force;

meanwhile, the knob rotates to enable the rotating shaft to rotate, the rotating shaft rotates to enable the thread block to move upwards, the thread block moves upwards to enable the Z-shaped plate to move upwards, the Z-shaped plate moves upwards to drive the second baffle to move upwards to be away from the water outlet, any position in the rotating range of the knob can be stopped, the size of the water outlet and the size of the water inlet of the cavity are controllable, and the purpose of throttling of the water pump can be achieved.

The invention has simple structure and convenient operation, is simple and convenient to operate, can meet the requirement of people on randomly changing the flow of the water pump by adopting the principle that the water inlet on the gate valve block is smaller and the increased resistance is larger, the water inlet on the gate valve block is smaller, and the flow is smaller, thereby extending the application range of water pump throttling and being worthy of wide popularization.

Drawings

FIG. 1 is a three-dimensional structural diagram of a water pump throttling device according to the present invention;

FIG. 2 is a sectional view of a gate valve block of a water pump throttling device according to the present invention;

fig. 3 is an enlarged view of a structure a of a water pump throttling device according to the present invention.

In the figure: the device comprises a gate valve block 1, a cavity 2, a water pump 3, a water outlet pipe 4, a water inlet pipe 5, a rotating shaft 6, a knob 7, a gear 8, a sliding block 9, a rack 10, an action rod 11, a first baffle 12, a thread block 13, a Z-shaped rod 14, a second baffle 15, a connecting flange 16, a sleeve seat 17, a groove 18, a retarding spring 19, a moving rod 20, a connecting rod 21, a sliding rod 22 and a limiting rod 23.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.

Referring to fig. 1-3, a water pump throttling device comprises a gate valve block 1, a chamber 2 is arranged on the gate valve block 1, a water inlet and a water outlet are respectively arranged on the inner walls of two sides of the chamber 2, a first baffle 12 and a second baffle 15 are respectively slidably mounted on the inner walls of two sides of the chamber 2, the first baffle 12 and the second baffle 15 respectively and completely cover the water inlet and the water outlet of the chamber 2, a rotating shaft 6 is rotatably mounted on the inner wall of the top of the chamber 2, a gear 8 is fixedly sleeved on the outer side of the rotating shaft 6, a rack 10 is slidably mounted on the inner wall of the top of the chamber 2, the rack 10 is meshed with the gear 8, one end of the rack 10 is tightly attached to the inner wall of one side of the chamber 2, an action rod 11 is rotatably mounted at the bottom of the rack 10, the bottom of the action rod 11 is rotatably connected with the top of the first baffle 12, a Z-shaped plate 14 is fixedly arranged on one side of the threaded block 13, one side of the Z-shaped plate 14, which is far away from the threaded block 13, is fixedly connected with one side of the second baffle plate 15, a sleeve seat 17 is arranged on the inner wall of the bottom of the chamber 2, a groove 18 is formed in the top of the sleeve seat 17, the same transverse plate is slidably arranged on the inner walls of two sides of the groove 18, a moving rod 20 is fixedly arranged on the top of the transverse plate, the top of the moving rod 20 extends to the upper side of the sleeve seat 17 and is fixedly connected with the bottom of the threaded block 13, the gate valve block 1 is hermetically connected with an external transmission pipeline through a connecting flange 16, a schematic closed structure diagram of the gate valve block 1 is shown in figure 1, the knob 7 cannot rotate anticlockwise, when the flow rate of water in the gate valve block 1 needs to be changed, the knob 7 is rotated clockwise to enable the rack 10 to move transversely, the rack 10 moves transversely to enable, meanwhile, the rotary shaft 6 is rotated by the rotation of the knob 7, the thread block 13 is upwards moved by the rotation of the rotary shaft 6, the Z-shaped plate 14 is upwards moved by the upwards movement of the thread block 13, the Z-shaped plate 14 upwards moves to drive the second baffle 15 to upwards move away from the water outlet, the stop can be carried out at any position in the rotation range of the rotary shaft 7, and the size of the water outlet and the water inlet of the cavity 2 can be controlled, so that the purpose of throttling the water pump can be achieved.

In the invention, a water outlet pipe 4 is connected with a water outlet pipe through sealing threads at a water outlet of a cavity 2, one end of the water outlet pipe 4 far away from the cavity 2 extends to one side of a gate valve block 1 and is connected with a water pump 3 through sealing threads, a water inlet of the water pump 3 is connected with a water inlet pipe 5 through sealing threads, the top of a rotating shaft 6 penetrates through the inner wall of the top of the cavity 2 and extends to the upper part of the gate valve block 1, a knob 7 is fixedly installed at the top of the rotating shaft 6, two symmetrically arranged slide blocks 9 are slidably installed on the inner wall of the top of the cavity 2, the bottoms of the two slide blocks 9 are fixedly connected with the top of a rack 10, the rack 10 is slidably connected with the inner wall of the top of the cavity 2 through the two slide blocks 9, a retarding spring 19 is fixedly installed on the inner wall of one side of a groove 18, the retarding spring 19 and, the slide rod 22 is connected with the inner wall of one side of the chamber 2 in a sliding manner, the slide rod 22 is rotatably provided with the limiting rod 23, the bottom of the limiting rod 23 is connected with the inner wall of the bottom of the chamber 2 in a sliding manner, the water outlet of the chamber 2 is connected with a connecting pipeline in a sealing and threaded manner, one side of the connecting pipeline is fixedly provided with the connecting flange 16, the connecting flange 16 is positioned at one side of the gate valve block 1, the gate valve block 1 is connected with an external transmission pipeline in a sealing manner through the connecting flange 16, the closed structure of the gate valve block 1 is schematically shown in figure 1, the knob 7 cannot rotate anticlockwise, when the flow of water flow in the gate valve block 1 needs to be changed, the knob 7 is rotated clockwise, the rack 10 is moved transversely to generate an upward acting force on the acting rod 11, the first baffle 12 is moved upwards away from the water inlet under the, the water pump throttling device has the advantages that the structure is simple, the operation is convenient, the smaller the water inlet on the gate valve block 1 is closed through the water inlet and the water outlet on the gate valve block 1, the larger the increased resistance is, the smaller the flow becomes, the simplicity and convenience are realized, the requirement of changing the flow of the water pump 3 at will can be met, the throttling use range of the water pump 3 is extended, and the water pump throttling device is worthy of wide popularization.

The working principle is as follows: the gate valve block 1 is hermetically connected with an external transmission pipeline through a connecting flange 16, a schematic diagram of a closed structure of the gate valve block 1 is shown in the drawing 1, the knob 7 cannot rotate anticlockwise, when the flow of water flow in the gate valve block 1 needs to be changed, the knob 7 is rotated clockwise, the rotating shaft 6 is rotated to rotate the gear 8, the gear 8 is engaged with the rack 10, the rack 10 can move transversely, the rack 10 moves transversely to enable the action rod 11 to generate upward acting force, the first baffle 12 moves upwards away from the water inlet under the action of the upward acting force, meanwhile, the knob 7 rotates to enable the rotating shaft 6 to rotate, the rotating shaft 6 rotates to enable the thread block 13 to move upwards, the thread block 13 moves upwards to enable the Z-shaped plate 14 to move upwards, the Z-shaped plate 14 moves upwards to drive the second baffle 15 to move upwards away from the water outlet, and the gate valve block can stop at any position in the rotating range of the knob 7, the size of the water outlet and the water inlet of the cavity 2 is controllable, the purpose of water pump throttling can be achieved, the first baffle plate 12 and the second baffle plate 15 are synchronous in movement, the water inlet and the water outlet in the gate valve block 1 are smaller, the water inlet in the gate valve block 1 is smaller in closing, the increased resistance is larger, the flow rate is smaller, the principle is simple and convenient to operate, the requirement that people change the flow rate of the water pump 3 at will can be met, the use range of the water pump 3 throttling is expanded, and the water pump throttling device is worthy of wide popularization.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.