CN202447259U - Double-injection type low-pressure liquid supply apparatus - Google Patents
Double-injection type low-pressure liquid supply apparatus Download PDFInfo
- Publication number
- CN202447259U CN202447259U CN 201120557453 CN201120557453U CN202447259U CN 202447259 U CN202447259 U CN 202447259U CN 201120557453 CN201120557453 CN 201120557453 CN 201120557453 U CN201120557453 U CN 201120557453U CN 202447259 U CN202447259 U CN 202447259U
- Authority
- CN
- China
- Prior art keywords
- slide block
- pressure liquid
- connects
- feed device
- liquid feed
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
Images
Landscapes
- Nozzles (AREA)
Abstract
The utility model discloses a double-injection type low-pressure liquid supply apparatus. A liquid supply pipe and a liquid drainpipe are separately connected with the liquid supply apparatus and the liquid supply apparatus comprises a fixed plate and two injection assemblies provided on the fixed plate. Each of the injection assembly comprises an inner injection body which forms a movable end, and an outer cylinder body which forms a fixed end. The movable end of each injection assembly is connected with a power assembly. The fixed end of each injection assembly is connected with a transfer valve which is a 3/2 way valve. The 3/2 way valve comprises an injection end which is connected with the injection assembly, a liquid supply end which is connected with the liquid supply pipe, and a liquid drain end which is connected with the liquid drainpipe. The double-injection type low-pressure liquid supply apparatus can realize low-flow and low-pressure precision control through controlling the rotating speed of a motor and the stroke of a slide block; and because a double-injection structure is adopted, stable low-pressure liquid can be supplied to a pipeline. The apparatus has the advantages of simple structure, practical function, low cost and high stability, especially suitable for the technical fields such as spray coating and mist spraying.
Description
Technical field
The utility model relates to a kind of liquid feed device, refers to that more particularly a kind of is the device that low pressure liquid is provided in the pipeline through two injecting assemblies.
Background technology
At spraying feed flow technical elements, what use at present all is the pump of big flow, high pressure, sprays feed flow continuously, and it all has higher requirement to space of using and the solution that passes through; In addition, in the use, when the medium of transmission was chemical medicinal liquid, the characteristic that it has acidity or alkalescence when adopting traditional pump configuration, all had great infringement to the whole pump housing, not only causes the cost of the pump housing too high, has also improved mounting hardness.
In order to address the above problem, the inventor designs a kind of double injection formula low pressure liquid feed device with innovating.
The utility model content
The purpose of the utility model is to overcome the defective of prior art, and a kind of double injection formula low pressure liquid feed device is provided.
For realizing above-mentioned purpose, the utility model adopts following technical scheme:
A kind of double injection formula low pressure liquid feed device; Described liquid feed device connects with feed pipe, drain pipe respectively; Comprise fixed head and be located at two injecting assemblies on the fixed head; Described injecting assembly comprises interior injecting body that constitutes movable end and the outer cylinder body that constitutes stiff end, and the movable end of each injecting assembly is connected with Power Component; The stiff end of each injecting assembly is connected with transfer valve; Described transfer valve is a two position three-way valve, comprises the dispensing end that connects with injecting assembly, the feed flow end that connects with feed pipe, the outlet end that connects with drain pipe.
Its further technical scheme is: also comprise the swing mechanism that connects with transfer valve.
Its further technical scheme is: described Power Component comprises the slide block that connects with the movable end of injecting assembly, the slide rail that is slidingly matched with slide block, the screw mandrel that connects with slide block, with the motor of screw mandrel driving coupling, described slide rail is fixedly connected through slide track seat and the fixed head that is provided with.
Its further technical scheme is: also comprise the slide block gusset piece that is fixedly connected with slide block, described slide block gusset piece is provided with and the screw mandrel nut engaged.
Its further technical scheme is: the slide block of each Power Component, slide rail, slide track seat are two; The top of said slide block gusset piece connects with the movable end of injecting assembly; The both sides, below and the slide block of said slide block gusset piece are fixedly connected, and are fixedly connected with described nut in the middle of the below.
Its further technical scheme is: described fixed head is provided with motor mount and screw mandrel support end holder; Described motor mount is fixed with screw mandrel stiff end bearing block and aforesaid motor.
Its further technical scheme is: described fixed head is provided with the valve seat that is used for fixing transfer valve, and described valve seat is provided with aforesaid swing mechanism, and described swing mechanism is a servo motor.
Its further technical scheme is: also comprise the shaft coupling that is used to connect motor and screw mandrel, described motor is a stepper motor.
The utility model beneficial effect compared with prior art is: the utility model can be through the stroke of control rotating speed of motor and slide block; Realize the accurate control of low discharge and low-pressure; Owing to adopted the double injection structure; Can be for stable low pressure liquid be provided in the pipeline, it is simple in structure, function is practical, cost is low, stability is high.Especially be suitable for technical fields such as spraying, spraying.
Below in conjunction with accompanying drawing and specific embodiment the utility model is further described.
Description of drawings
Fig. 1 is the front view of a kind of double injection formula of the utility model low pressure liquid feed device specific embodiment;
Fig. 2 is the left view of Fig. 1;
Fig. 3 is the vertical view of Fig. 1;
Fig. 4 is a three-dimensional explosive view embodiment illustrated in fig. 1;
Fig. 5 is a pipeline sketch map embodiment illustrated in fig. 1.
Description of reference numerals
A feed pipe B drain pipe
8 liquid feed devices, 81 fixed heads
811 motor mounts, 812 screw mandrel support end holders
8121 support end bearings, 813 screw mandrel stiff end bearing blocks
8131 stiff end bearings, 82 injecting assemblies
Injecting body 822 outer cylinder bodies in 821
83 Power Components, 831 slide blocks
832 slide rails, 833 screw mandrels
834 slide track seats, 835 slide block gusset pieces
836 nuts, 8361 nut seats
838 shaft couplings, 839 motors
84 transfer valves, 841 valve seats
842 servo motor 84A feed flow ends
8351 coupling blocks, 85 joints
The specific embodiment
In order more to make much of the technology contents of the utility model, below in conjunction with specific embodiment the technical scheme of the utility model is further introduced and explanation, but be not limited to this.
Extremely shown in Figure 5 like Fig. 1; A kind of double injection formula of the utility model low pressure liquid feed device 8; Liquid feed device 8 connects with feed pipe A, drain pipe B respectively; Comprise fixed head 81 and be located at two injecting assemblies 82 on the fixed head 81, injecting assembly 82 comprises interior injecting body 821 that constitutes movable end and the outer cylinder body 822 that constitutes stiff end, and the movable end of each injecting assembly is connected with Power Component 83; The stiff end of each injecting assembly is connected with transfer valve 84; Transfer valve 84 is a two position three-way valve, comprises the dispensing end 84C that connects with injecting assembly 82, the feed flow end 84A that connects with feed pipe A, the outlet end 84B that connects with drain pipe B.Also comprise the swing mechanism that connects with transfer valve 84.Fixed head 81 is provided with the valve seat 841 that is used for fixing transfer valve 84, and valve seat 841 is provided with aforesaid swing mechanism, and what swing mechanism adopted in the present embodiment is servo motor 842.Power Component 83 comprises the slide block 831 that connects with the movable end of injecting assembly 82, the slide rail 832 that is slidingly matched with slide block 831, the screw mandrel 833 that connects with slide block 831, with the motor 839 of screw mandrel 833 driving coupling, slide rail 832 is fixedly connected with fixed head 81 through the slide track seat 834 that is provided with.Also comprise the slide block gusset piece 835 that is fixedly connected with slide block 831, slide block gusset piece 835 is provided with and screw mandrel 833 nut engaged 836, and in the present embodiment, nut 836 is the belows that are fixed on slide block gusset piece 835 through nut seat 8361.The slide block 831 of each Power Component 83, slide rail 832, slide track seat 834 are two; Slide block gusset piece 835 with two slide blocks be linked together; Its top connects with the movable end of injecting assembly 82 through coupling block 8351; The both sides, below and the slide block 831 that are slide block gusset piece 835 are fixedly connected, and the centre of below and nut seat 8361 are fixedly connected.Fixed head 81 is provided with motor mount 811 and screw mandrel support end holder 812; Motor mount 811 is fixed with screw mandrel stiff end bearing block 813 and motor 839.Also comprise the shaft coupling 838 that is used to connect motor 839 and screw mandrel 833, in the present embodiment, what motor 839 adopted is stepper motor.In the present embodiment, screw mandrel is a ball screw, and nut is a ball nut.Injecting assembly can adopt the syringe pump standard component of outsourcing, also can utilize homemade cylinder body and piston to assemble.Transfer valve is revolving two position three-way valve, is promptly driven the rotation of spool by a motor, the UNICOM that can realize dispensing end 84C and feed flow end 84A or outlet end 84B.
In the use, can regulate the pressure and the flow of feed flow through the stroke of regulating rotating speed of motor (being the translational speed of slide block) and slide block.In the use, two injecting assemblies are the feed pipe feed flow in turn.
In other embodiment, the swing mechanism of transfer valve also can have the motor of reducing gear.Transfer valve also can adopt the two position three-way valve (two valve position can realize two link relations respectively) of straight-line displacement formula, and this kind valve arrangement can adopt solenoid actuated.
In sum; The utility model can be realized the accurate control of low discharge and low-pressure through the stroke of control rotating speed of motor and slide block, owing to adopted the double injection structure; Can be for stable low pressure liquid be provided in the pipeline, it is simple in structure, function is practical, cost is low, stability is high.Especially be suitable for technical fields such as spraying, spraying.
The above only further specifies the technology contents of the utility model with embodiment; So that the reader is more readily understood; But do not represent the embodiment of the utility model to only limit to this, any technology of doing according to the utility model is extended or recreation, all receives the protection of the utility model.The protection domain of the utility model is as the criterion with claims.
Claims (8)
1. double injection formula low pressure liquid feed device; Described liquid feed device connects with feed pipe, drain pipe respectively; It is characterized in that comprising fixed head and be located at two injecting assemblies on the fixed head; Described injecting assembly comprises interior injecting body that constitutes movable end and the outer cylinder body that constitutes stiff end, and the movable end of each injecting assembly is connected with Power Component; The stiff end of each injecting assembly is connected with transfer valve; Described transfer valve is a two position three-way valve, comprises the dispensing end that connects with injecting assembly, the feed flow end that connects with feed pipe, the outlet end that connects with drain pipe.
2. a kind of double injection formula low pressure liquid feed device according to claim 1 is characterized in that also comprising the swing mechanism that connects with transfer valve.
3. a kind of double injection formula low pressure liquid feed device according to claim 2; It is characterized in that the slide rail that described Power Component comprises the slide block that connects with the movable end of injecting assembly, is slidingly matched with slide block, the screw mandrel that connects with slide block, with the motor of screw mandrel driving coupling, described slide rail is fixedly connected through slide track seat and the fixed head that is provided with.
4. a kind of double injection formula low pressure liquid feed device according to claim 3 is characterized in that also comprising the slide block gusset piece that is fixedly connected with slide block, and described slide block gusset piece is provided with and the screw mandrel nut engaged.
5. a kind of double injection formula low pressure liquid feed device according to claim 4; The slide block, slide rail, the slide track seat that it is characterized in that each Power Component are two; The top of said slide block gusset piece connects with the movable end of injecting assembly; The both sides, below and the slide block of said slide block gusset piece are fixedly connected, and are fixedly connected with described nut in the middle of the below.
6. a kind of double injection formula low pressure liquid feed device according to claim 5 is characterized in that described fixed head is provided with motor mount and screw mandrel support end holder; Described motor mount is fixed with screw mandrel stiff end bearing block and aforesaid motor.
7. a kind of double injection formula low pressure liquid feed device according to claim 6 is characterized in that described fixed head is provided with the valve seat that is used for fixing transfer valve, and described valve seat is provided with aforesaid swing mechanism, and described swing mechanism is a servo motor.
8. a kind of double injection formula low pressure liquid feed device according to claim 7 is characterized in that also comprising the shaft coupling that is used to connect motor and screw mandrel, and described motor is a stepper motor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201120557453 CN202447259U (en) | 2011-12-28 | 2011-12-28 | Double-injection type low-pressure liquid supply apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201120557453 CN202447259U (en) | 2011-12-28 | 2011-12-28 | Double-injection type low-pressure liquid supply apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202447259U true CN202447259U (en) | 2012-09-26 |
Family
ID=46863154
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201120557453 Expired - Lifetime CN202447259U (en) | 2011-12-28 | 2011-12-28 | Double-injection type low-pressure liquid supply apparatus |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202447259U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111135885A (en) * | 2020-01-14 | 2020-05-12 | 安徽奇书生物科技有限公司 | Variable injection slide block |
| CN116510987A (en) * | 2023-07-03 | 2023-08-01 | 江苏高凯精密流体技术股份有限公司 | Pulse plunger dispensing valve |
-
2011
- 2011-12-28 CN CN 201120557453 patent/CN202447259U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111135885A (en) * | 2020-01-14 | 2020-05-12 | 安徽奇书生物科技有限公司 | Variable injection slide block |
| CN111135885B (en) * | 2020-01-14 | 2021-10-26 | 安徽奇书生物科技有限公司 | Variable injection slide block |
| CN116510987A (en) * | 2023-07-03 | 2023-08-01 | 江苏高凯精密流体技术股份有限公司 | Pulse plunger dispensing valve |
| CN116510987B (en) * | 2023-07-03 | 2023-09-19 | 江苏高凯精密流体技术股份有限公司 | Pulse plunger dispensing valve |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN206045103U (en) | Two-way continuous syringe pump | |
| CN202028970U (en) | Locating pin type indexing device driving grooved wheel to index by hydraulically drive | |
| CN101224545B (en) | Self-adapting multi-headed press mounting machine | |
| CN202447259U (en) | Double-injection type low-pressure liquid supply apparatus | |
| CN201331426Y (en) | Clock spring and steering column combined switch endurance test bed | |
| CN107971309B (en) | Pipeline cleaning head | |
| WO2008055255A3 (en) | Metering and pumping devices | |
| WO2011149702A3 (en) | Rotary nozzle recirculation systems | |
| CN105709997A (en) | Automatic gluing mechanism | |
| CN203253585U (en) | Multi-needle dispensing valve | |
| CN202579375U (en) | Screw supercharging system | |
| CN203853673U (en) | Fixture for straight seam friction-stir welding of tubular segment of large-sized liquid storage tank | |
| CN2790668Y (en) | Horizontal lathe cooling device | |
| CN202468192U (en) | Two-head dual-adjustment low-pulsation diaphragm metering pump | |
| CN102527566B (en) | External vibrating type ultrasonic spraying device and system thereof | |
| CN202418077U (en) | Motor-driven servo valve | |
| CN205550744U (en) | Automatic gluing mechanism | |
| CN203712227U (en) | Guide wheel bearing horizontal assembling-pressing machine | |
| CN201963454U (en) | Operation mechanism of four-blade paddle | |
| CN205614352U (en) | Rotating table | |
| CN202447240U (en) | External vibration type ultrasonic spraying device and system thereof | |
| CN103072817B (en) | A kind of aerodynamic force carriage | |
| CN105849408A (en) | Liquid supply device | |
| CN203450198U (en) | Steering system and tractor | |
| US20060127228A1 (en) | High pressure open discharge pump system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20120926 |
|
| CX01 | Expiry of patent term |