Ferrofluid filling device

Abstract

The utility model discloses a ferrofluid filling device which comprises a liquid storage tank and an anti-dripping assembly. The liquid storage tank comprises a conveying pump fixedly installed on one side of the liquid storage tank. According to the ferrofluid filling device, after the filling device on the outer side of the liquid storage tank completes filling of ferrofluid, the floating block and the indicating rod on one side in the filling device are lifted so as to indicate completion of filling operation, meanwhile, after filling of the ferrofluid is completed, the threaded rod in the fixing sleeve can be screwed, and the filling operation is completed. The plugging block is pressed in the liquid inlet cavity through the screw rod to plug the liquid inlet cavity, so that after the ferrofluid is filled by the filling device, the liquid inlet cavity at the bottom of the filling device is plugged through the plugging block, and the problems that the ferrofluid drips on a filling workpiece and is wasted due to the fact that the filling device is taken down and residual ferrofluid in the internal liquid inlet cavity flows out are solved; and the floating block and the indicating rod in the filler can also flexibly identify the filling and filling of the ferrofluid in various parts through the indication in the filling and filling of the ferrofluid.

Description

TECHNICAL FIELD

[0001] The utility model relates to ferromagnetic fluid filling equipment technical field, concretely is a kind of ferromagnetic fluid filling device. BACKGROUND

[0002] Ferromagnetic fluid is composed of nanometer order ferromagnetic particles suspended in carrier fluid;These ferromagnetic particles are usually wrapped by surfactants to prevent them from coagulating due to van der waals forces and magnetic forces;Ferromagnetic fluid filling device is usually used to inject ferromagnetic fluid into a specific sealed or working space to ensure that ferromagnetic fluid can be uniformly and stably filled into the target area.

[0003] The existing ferromagnetic fluid filling device, when filling ferromagnetic fluid into the equipment, some ferromagnetic fluid will remain in the cavity of the filling head after filling is completed, which will flow and drop out with the removal of the filling head, therefore, we propose a ferromagnetic fluid filling device. UTILITY MODEL CONTENT

[0004] The utility model aims at solving one of the technical problems existing in prior art or related art.

[0005] Therefore, the technical scheme adopted by the utility model is as follows:

[0006] A ferromagnetic fluid filling device, comprising: a liquid storage tank, a drip-proof assembly; the liquid storage tank comprises a delivery pump fixedly installed on one side thereof, a delivery pipe fixedly connected to one side of the delivery pump, and a filler fixedly connected to one end of the delivery pipe; the drip-proof assembly comprises a liquid inlet cavity formed in the filler, a sliding groove formed on one side of the liquid inlet cavity, a blocking block movably installed in the sliding groove, a fixed sleeve fixedly installed at the outer end of the sliding groove, a floating cavity formed on one side of the filler, a floating block movably installed at the bottom of the floating cavity, and an observation window fixedly installed on the outer side of the upper part of the floating cavity.

[0007] Preferably, an indicating rod is further fixedly installed on the top of the floating block.

[0008] Preferably, a threaded hole is further formed through one side of the fixed sleeve, and a screw rod is movably installed in the threaded hole.

[0009] Preferably, a threaded portion and a smooth portion are respectively provided on both sides of the screw rod.

[0010] Preferably, a sealing sleeve is further fixedly installed in the sliding groove, and the screw rod is movably located in the sealing sleeve.

[0011] Preferably, a notch is further formed on one side of the liquid inlet cavity in the filler, and a spring is further fixedly installed at one end of the blocking block, and the spring is located in the notch.

[0012] Preferably, the floating block and the indicating rod are both hollow structures.

[0013] By adopting the technical scheme, the utility model discloses the obtained beneficial effect is:

[0014] 1、 the utility model discloses, the filler of liquid storage tank outside is filled to the ferromagnetic fluid filling and is filled complete, and the float of filler inner one side and the indicating rod will lift, to indicate complete filling operation, simultaneously, the ferromagnetic fluid filling is complete, can also twist the screw rod in the fixed sleeve, to press the block in the liquid inlet cavity with the screw rod, to block the liquid inlet cavity, to avoid the ferromagnetic fluid of the residual ferromagnetic fluid in the liquid inlet cavity in the filler taking down, the dripping and waste problem of ferromagnetic fluid on the filling workpiece of flowing out after the ferromagnetic fluid filling of the filler is complete;

[0015] 2、 the utility model discloses, the float in the filler and the indicating rod, also can be through the indication in the ferromagnetic fluid filling and is filled, and flexible identification various components in the ferromagnetic fluid filling and is filled. BRIEF DESCRIPTION OF DRAWINGS

[0016] Fig. 1 It is the overall structural drawing of the utility model;

[0017] Fig. 2 It is the structure drawing of the filler of the utility model;

[0018] Fig. 3 It is the side sectional view of the filler of the utility model.

[0019] Reference signs:

[0020] 100, liquid storage tank; 101, delivery pump; 102, delivery pipe; 103, filler;

[0021] 200, drip-proof assembly; 201, liquid inlet cavity; 202, chute; 203, block; 204, fixed sleeve; 205, float cavity; 206, float; 207, observation window; 208, indicating rod; 209, threaded hole; 210, screw; 211, threaded portion; 212, smooth portion; 213, sealing sleeve; 214, notch; 215, spring. DETAILED DESCRIPTION

[0022] To make the purpose, technical scheme and advantage of the utility model more clear and obvious, the utility model is further explained in detail below in combination with specific implementation manners and with reference to the drawings. It needs to be explained that the embodiment of the utility model and the features in the embodiment can be combined mutually in the case of not conflicting.

[0023] Some embodiments of the utility model are described below in combination with the drawings to provide a ferromagnetic fluid filling device.

[0024] Embodiment one:

[0025] In combination Figs. 1-3 As shown in the utility model provides a ferrofluid filling device, including: liquid storage tank 100, prevent dripping subassembly 200, liquid storage tank 100 includes its one side fixed mounting's delivery pump 101, delivery pump 101 one side fixed connection's delivery pipe 102, delivery pipe 102 one end fixed connection's filler 103, prevent dripping subassembly 200 including the liquid inlet chamber 201 that fills the filler 103 inside is set, the chute 202 that the liquid inlet chamber 201 one side is set, the plug block 203 that the chute 202 inside is movably installed, the fixed sleeve 204 that the chute 202 outer end is fixedly installed, the float chamber 205 that fills the filler 103 inside one side is set, the float block 206 that the float chamber 205 inside bottom movably installs, the observation window 207 that the float chamber 205 upper outer side is fixedly installed, the float block 206 top still fixedly installed has the indicating rod 208, the fixed sleeve 204 inside one side still penetrates and sets the threaded hole 209, the threaded hole 209 inside still movably installs the screw rod 210, the screw rod 210 upper both sides still respectively are provided with threaded part 211 and smooth part 212, the chute 202 inside still fixedly installs the sealing sleeve 213, and the screw rod 210 is movably in the sealing sleeve 213, fills the notch 214 that the liquid inlet chamber 201 one side is still set in the filler 103, the plug block 203 one end still fixedly installs the spring 215, and the spring 215 is in the notch 214, the float block 206 and indicating rod 208 are all hollow structure.

[0026] Specifically, the ferromagnetic fluid is composed of nanometer ferromagnetic particles suspended in a carrier fluid, and the ferromagnetic fluid filling device is usually used to inject the ferromagnetic fluid into a specific sealed or working space; when the ferromagnetic fluid filling is completed, the float 206 and the indicating rod 208 on one side in the filler 103 are lifted, so as to indicate the completion of the filling operation; at the same time, after the ferromagnetic fluid filling is completed, the screw rod 210 in the fixed sleeve 204 can be twisted to press the plug 203 at the inner end into the liquid inlet cavity 201 to block the liquid inlet cavity 201, so that the bottom of the liquid inlet cavity 201 in the filler 103 is blocked by the plug 203 after the ferromagnetic fluid filling is completed, thereby avoiding the problem that the residual ferromagnetic fluid in the liquid inlet cavity 201 in the filler 103 flows out after the filler 103 is removed, causing the ferromagnetic fluid to drop and waste on the filling workpiece; and the float 206 and the indicating rod 208 in the filler 103 can also flexibly identify the ferromagnetic fluid filling of various components through the indication during the ferromagnetic fluid filling; the float cavity 205 opened on one side in the filler 103 is mainly used for the floating lifting of the float 206 and the indicating rod 208 therein, so that the filling is observed through the observation window 207 on the upper end of the filler 103, the smooth part 212 provided on one side of the screw rod 210 and the sealing sleeve 213 installed in the plug 203 are mainly used to ensure the connection and sealing between the screw rod 210 and the sealing sleeve 213, thereby avoiding the leakage of the ferromagnetic fluid in the liquid inlet cavity 201; the spring 215 in the notch 214 on one side of the plug 203 is mainly used to facilitate the contraction of the spring 215 into the notch 214 when the plug 203 completely blocks the liquid inlet cavity 201, and facilitate the automatic outward movement of the plug 203 when the screw rod 210 moves outward, so as to open the liquid inlet cavity 201.

[0027] The working principle and use process of the utility model are as follows:

[0028] When the ferromagnetic fluid is filled and injected, the filler 103 at the front end of the conveying pipe 102 is installed on the injection port of the injection equipment and the screw rod 210 in the fixed sleeve 204 is twisted outward, so that the plug 203 in the liquid inlet cavity 201 is removed and the injection can be carried out; the ferromagnetic fluid in the liquid tank 100 continuously fills and injects into the equipment along the liquid inlet cavity 201 in the filler 103; when the equipment is filled, the ferromagnetic fluid at the top layer in the equipment lifts the float 206 at the bottom of the float cavity 205 in the filler 103, so that the float 206 and the indicating rod 208 at the top thereof are lifted; after the indicating rod 208 is observed to float through the observation window 207 on one side of the filler 103, the conveying pump 101 is closed to stop filling and injection, and the screw rod 210 in the fixed sleeve 204 outside the filler 103 is twisted inward, so that the screw rod 210 moves inward, the plug 203 in the chute 202 is pressed tightly into the liquid inlet cavity 201, the liquid inlet cavity 201 is blocked, and the problem that the residual ferromagnetic fluid in the liquid inlet cavity 201 flows out when the filler 103 is removed is avoided.

[0029] Although the embodiments of the present application have been shown and described, it should be understood by those skilled in the art that various changes, modifications, substitutions and variations can be made thereto without departing from the principles and spirit of the present application, and the scope of the present application is defined by the claims and their equivalents.

Claims

1. A ferrofluid-filled device, characterized by, Include: Liquid storage tank (100), anti-dripping assembly (200); Liquid storage tank (100) includes its one side fixed installation of conveying pump (101), conveying pump (101) one side fixed connection of conveying pipe (102), conveying pipe (102) one end fixed connection of filler (103); Anti-dripping assembly (200) includes the liquid inlet cavity (201) opened in the filler (103), the chute (202) opened in one side of the liquid inlet cavity (201), the movable mounting of the block (203) in the chute (202), the fixed mounting of the fixed sleeve (204) outside the chute (202), the float cavity (205) opened in one side of the filler (103), the movable mounting of the float block (206) in the bottom of the float cavity (205), the fixed mounting of the observation window (207) outside the upper part of the float cavity (205).

2. A ferrofluid filling device according to claim 1, wherein The top of the float block (206) is also fixedly installed with an indicating rod (208).

3. A ferrofluid filling device according to claim 1, wherein A threaded hole (209) is also formed in one side of the fixed sleeve (204), and a screw rod (210) is movably installed in the threaded hole (209).

4. A ferrofluid filling device according to claim 3, wherein Threaded portions (211) and smooth portions (212) are respectively arranged on the two sides of the screw rod (210).

5. A ferrofluid filling device according to claim 1, wherein A sealing sleeve (213) is also fixedly installed in the chute (202), and the screw rod (210) is movably arranged in the sealing sleeve (213).

6. A ferrofluid filling device according to claim 1, wherein A notch (214) is also formed in one side of the liquid inlet cavity (201) in the filler (103), one end of the block (203) is also fixedly installed with a spring (215), and the spring (215) is arranged in the notch (214).

7. A ferrofluid filling device according to claim 2, wherein The float block (206) and the indicating rod (208) are both hollow structures.

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