Anti-blocking plastic pump head

Abstract

The utility model discloses an anti-blocking plastic pump head, which belongs to the field of plastic pump heads, and comprises a shell, a pressing head and a discharge port, a piston tube is sleeved in the shell, the shell is provided with a first one-way valve, a second one-way valve is arranged in the piston tube, the pressing head is provided with a connecting tube, and the connecting tube is connected with the discharge port. The connecting pipe is sleeved with the piston pipe, a guiding thread groove is formed in the piston pipe, guiding threads are arranged on the connecting pipe, and stirring blades are fixedly installed in the end, away from the connecting pipe, of the piston pipe. According to the anti-blocking plastic pump head, the piston pipe, the guide thread groove and the guide thread are arranged to rotate in a matched mode, the stirring blades of a spiral structure are driven to rotate, a solution can be evenly stirred before being pumped out, meanwhile, blocky objects can be effectively smashed, and blocking is avoided while the pumping quality is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of plastic pump heads, in particular to an anti-clogging plastic pump head. Background Art

[0002] The anti-clogging plastic pump head is designed to solve the problem that traditional pump heads are prone to clogging during use. This plastic pump head effectively prevents clogging through innovative structure and function, and improves the efficiency and reliability of the pump head.

[0003] Upon investigation, it was found that the Chinese utility model patent with publication number CN217075449U discloses an anti-clogging plastic pump head X, including a shell and a connecting column, the outer surface of the lower end of the connecting column is integrally fixedly connected with a first connecting plate and a second connecting plate, the lower end of the second connecting plate is connected with a second spring and a connecting ball, the lower end of the connecting ball is connected with a third spring, and the lower end of the third spring is connected with a fixing frame.

[0004] The above-mentioned plastic pump head has a better sealing effect, which is convenient for preventing the pump head from being blocked due to insufficient pressure when rebounding. However, when the above-mentioned plastic pump head encounters solution agglomerates or impurities, it cannot avoid clogging the pipeline, and thus cannot solve the problem of blockage caused by impurities contained in the solution and solution agglomerations, nor can it solve the problem of being unable to continue pumping out the solution due to solution agglomerations at the discharge port of the pressing head.

[0005] Therefore, the utility model provides an anti-clogging plastic pump head to solve the above problem. Utility Model Content

[0006] 1. Technical issues to be resolved

[0007] The utility model provides an anti-clogging plastic pump head, aiming to solve the problems of preventing the existing solution from clogging the plastic pump head and the discharge port, etc., proposed in the background technology.

[0008] (II) Technical solution

[0009] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: an anti-clogging plastic pump head, comprising a housing, a pressing head arranged on the housing, and a discharge port opened in the pressing head, the housing is sleeved with a mounting sleeve, the housing is sleeved with a piston tube, the piston tube is sleeved with a closing plug, a first one-way valve is arranged in one end of the housing away from the piston tube, and a second one-way valve is arranged in the piston tube;

[0010] A first spring is arranged between the piston tube and the shell, a connecting tube is fixedly installed on the pressing head, the connecting tube is sleeved in the piston tube, a guide thread groove is opened in the piston tube, a guide thread matched with the guide thread groove is arranged on the connecting tube, a guide tube sleeved on the piston tube is fixedly installed on the pressing head, a second spring is arranged in the guide tube, and a stirring blade is fixedly installed in the end of the piston tube away from the connecting tube.

[0011] Preferably, the first one-way valve includes a fixing frame fixedly mounted on the housing and a first ball movably arranged between the fixing frame and the pump head feed port, and the second one-way valve includes a limiting frame fixedly mounted on the piston tube and a second ball movably arranged between the limiting frame and the piston tube feed port.

[0012] Preferably, a first sealing ring adapted to the piston tube is fixedly mounted on one end of the connecting tube away from the pressing head, and a second sealing ring adapted to the guide tube is fixedly mounted on one end of the piston tube away from the shell.

[0013] Preferably, the pressing head is provided with a cleaning mechanism, and the cleaning mechanism includes a guide ring fixedly mounted on the pressing head, a pressing block slidably mounted in the guide ring, and a third spring arranged between the pressing block and the pressing head, a connecting rod passing through the pressing head is fixedly mounted on the pressing block, a driving block arranged in the discharge port is fixedly mounted on the other end of the connecting rod, an inclined block adapted to the driving block is slidably mounted in the discharge port, a cleaning rod is fixedly mounted on the inclined block, and a reset mechanism is arranged between the inclined block and the discharge port.

[0014] Preferably, the reset mechanism comprises a sealing plate fixedly mounted in the discharge port and a reset spring arranged between the sealing plate and the inclined block, and the cleaning rod is slidably mounted in the sealing plate.

[0015] Preferably, a plurality of cleaning plates distributed in a circular array are fixedly mounted on the cleaning rod.

[0016] (III) Beneficial effects

[0017] The anti-clogging plastic pump head is simple in function and easy to use. By arranging the piston tube, the guide thread groove and the guide thread to rotate in coordination, the spirally structured stirring blade is driven to rotate, so that the solution can be evenly stirred before being pumped out, and the lumps can be effectively broken up, thereby improving the pumping quality and avoiding clogging. By arranging the pressing block and the cleaning rod, the system can automatically clean the lumps and blockages in the discharge port during use, thereby ensuring the normal operation of the equipment. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a schematic diagram of the cross-sectional structure of an anti-clogging plastic pump head;

[0019] Figure 2 It is a schematic diagram of the cross-sectional structure of a plastic pump head that prevents clogging from being seen from multiple angles;

[0020] Figure 3 It is a schematic diagram of the cross-sectional structure of the head of an anti-clogging plastic pump head;

[0021] Figure 4 It is a schematic cross-sectional structure diagram of the bottom of an anti-clogging plastic pump head;

[0022] Figure 5 for Figure 3 A schematic diagram of the enlarged structure at A in the middle;

[0023] Figure 6 for Figure 2 Schematic diagram of the enlarged structure at point B in the middle.

[0024] In the figure: 1. shell; 11. pressing head; 111. guide ring; 112. discharge port; 113. guide tube; 12. mounting sleeve; 13. closing plug; 14. first one-way valve; 141. first sphere; 142. fixing frame; 15. first spring; 2. piston tube; 21. second one-way valve; 211. second sphere; 212. limiting frame; 22. stirring blade; 23. guide thread groove; 24. connecting tube; 241. guide thread; 25. first sealing ring; 26. second sealing ring; 27. second spring; 3. cleaning mechanism; 31. pressing block; 311. connecting rod; 32. third spring; 33. driving block; 34. inclined block; 341. cleaning rod; 342. cleaning plate; 4. reset mechanism; 41. sealing plate; 42. reset spring. DETAILED DESCRIPTION

[0025] 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.

[0026] The utility model provides a plastic pump head that prevents clogging, such as Figure 1-6As shown, the plastic pump head comprises a housing 1, a pressing head 11 arranged on the housing 1, and a discharge port 112 opened in the pressing head 11, a mounting sleeve 12 is mounted on the housing 1, a piston tube 2 is mounted in the housing 1, a closing plug 13 is mounted on the piston tube 2, a first one-way valve 14 is arranged in one end of the housing 1 away from the piston tube 2, and a second one-way valve 21 is arranged in the piston tube 2;

[0027] A first spring 15 is arranged between the piston tube 2 and the shell 1, a connecting tube 24 is fixedly installed on the pressing head 11, and the connecting tube 24 is sleeved in the piston tube 2. A guide thread groove 23 is opened in the piston tube 2, and a guide thread 241 matched with the guide thread groove 23 is arranged on the connecting tube 24, a guide tube 113 sleeved on the piston tube 2 is fixedly installed on the pressing head 11, and a second spring 27 is arranged in the guide tube 113, and a stirring blade 22 is fixedly installed in the end of the piston tube 2 away from the connecting tube 24, the first one-way valve 14 includes a fixing frame 142 fixedly installed on the shell 1 and a first ball 141 movably arranged between the fixing frame 142 and the feed port of the pump head, and the second one-way valve 21 includes a limiting frame 212 fixedly installed on the piston tube 2 and a second ball 211 movably arranged between the limiting frame 212 and the feed port of the piston tube 2.

[0028] When in use, the pressing head 11 is pressed, and the pressing head 11 drives the connecting tube 24 and the piston tube 2 to move downward. When the relative positions of the piston tube 2 and the connecting tube 24 change, since the connecting tube 24 and the pressing head 11 are fixed, they will not rotate when the user operates. At this time, the piston tube 2 rotates under the cooperation of the guide thread groove 23 and the guide thread 241. The tooth shapes of the guide thread groove 23 and the guide thread 241 are both trapezoidal thread designs with large pitches. The trapezoidal thread can play a bidirectional guiding role. When the piston tube 2 rotates, it drives the stirring blade 22 to rotate. The stirring blade 22 is set to The spiral structure can stir the solution evenly before pumping it out and break up large lumps. The first spring 15 is arranged on the bottom end face of the piston tube 2, and will not conflict with the stirring blade 22 when the piston tube 2 rotates. The first spring 15 and the second spring 27 are preferably of the same model. The same elastic coefficient can ensure that the strokes of the two are always consistent, that is, the rotation action and the pressing action are performed in unison, and there will be no situation where only rotation without pressing down. The working principles and connection methods of the first one-way valve 14, the second one-way valve 21 and the closing plug 13 are all existing mature technologies and will not be elaborated on here.

[0029] Specifically, a first sealing ring 25 adapted to the piston tube 2 is fixedly installed at one end of the connecting tube 24 away from the pressing head 11, and a second sealing ring 26 adapted to the guide tube 113 is fixedly installed at one end of the piston tube 2 away from the shell 1; when pressed down, the first sealing ring 25 and the second sealing ring 26 can protect the sealing of the system, and the solution will not flow out from the joint of the components, and the height of the first sealing ring 25 is greater than the width of the guide thread 241. This arrangement can ensure that the solution will not flow into the guide thread groove 23, thereby ensuring the realization of an effective solution passage.

[0030] Furthermore, the pressing head 11 is provided with a cleaning mechanism 3, and the cleaning mechanism 3 includes a guide ring 111 fixedly mounted on the pressing head 11, a pressing block 31 slidably mounted in the guide ring 111, and a third spring 32 arranged between the pressing block 31 and the pressing head 11, a connecting rod 311 passing through the pressing head 11 is fixedly mounted on the pressing block 31, a driving block 33 arranged in the discharge port 112 is fixedly mounted on the other end of the connecting rod 311, an inclined block 34 adapted to the driving block 33 is slidably mounted in the discharge port 112, a cleaning rod 341 is fixedly mounted on the inclined block 34, a reset mechanism 4 is provided between the inclined block 34 and the discharge port 112, and the reset mechanism 4 includes a sealing member fixedly mounted in the discharge port 112 The plate 41 and the return spring 42 arranged between the sealing plate 41 and the inclined block 34, the cleaning rod 341 is slidably installed in the sealing plate 41, and a plurality of cleaning plates 342 distributed in a circular array are fixedly installed on the cleaning rod 341; when the pressing head 11 is pressed down, it will preferentially contact the pressing block 31, and the pressing block 31 moves downward to drive the connecting rod 311 to move downward, and the connecting rod 311 passes through the pressing head 11 and extends into the discharge port 112. The driving block 33 arranged in the discharge port 112 moves downward under the action of the connecting rod 311, and its inclined surface is adapted to the inclined surface of the inclined block 34. When pressing downward, the inclined block 34 is squeezed to drive the cleaning rod 341 to move along the discharge port 112 toward the outlet direction, so as to achieve the effect of cleaning the agglomeration and blockage in the discharge port 112. After use, the return spring 42 pushes the inclined block 34 to reset.

[0031] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A plastic pump head with an anti-clogging function, comprising a housing (1), a pressing head (11) disposed on the housing (1), and a discharge port (112) provided in the pressing head (11), characterized in that: The housing (1) is provided with a mounting sleeve (12), the housing (1) is provided with a piston tube (2), the piston tube (2) is provided with a closing plug (13), the housing (1) is provided with a first one-way valve (14) at one end away from the piston tube (2), and the piston tube (2) is provided with a second one-way valve (21); A first spring (15) is arranged between the piston tube (2) and the housing (1); a connecting tube (24) is fixedly mounted on the pressing head (11); the connecting tube (24) is sleeved in the piston tube (2); a guide thread groove (23) is provided in the piston tube (2); a guide thread (241) matching the guide thread groove (23) is provided on the connecting tube (24); a guide tube (113) sleeved on the piston tube (2) is fixedly mounted on the pressing head (11); a second spring (27) is provided in the guide tube (113); and a stirring blade (22) is fixedly mounted in one end of the piston tube (2) away from the connecting tube (24).

2. The anti-clogging plastic pump head according to claim 1, characterized in that: The first one-way valve (14) comprises a fixing frame (142) fixedly mounted on the housing (1) and a first ball (141) movably arranged between the fixing frame (142) and the feed port of the pump head, and the second one-way valve (21) comprises a limiting frame (212) fixedly mounted on the piston tube (2) and a second ball (211) movably arranged between the limiting frame (212) and the feed port of the piston tube (2).

3. The anti-clogging plastic pump head according to claim 1, characterized in that: A first sealing ring (25) adapted to the piston tube (2) is fixedly mounted on one end of the connecting tube (24) away from the pressing head (11), and a second sealing ring (26) adapted to the guide tube (113) is fixedly mounted on one end of the piston tube (2) away from the housing (1).

4. The anti-clogging plastic pump head according to claim 2, characterized in that: The pressing head (11) is provided with a cleaning mechanism (3), and the cleaning mechanism (3) comprises a guide ring (111) fixedly mounted on the pressing head (11), a pressing block (31) slidably mounted in the guide ring (111), and a third spring (32) arranged between the pressing block (31) and the pressing head (11); a connecting rod (311) passing through the pressing head (11) is fixedly mounted on the pressing block (31); a driving block (33) arranged in the discharge port (112) is fixedly mounted on the other end of the connecting rod (311); an inclined block (34) adapted to the driving block (33) is slidably mounted in the discharge port (112); a cleaning rod (341) is fixedly mounted on the inclined block (34); and a reset mechanism (4) is arranged between the inclined block (34) and the discharge port (112).

5. The anti-clogging plastic pump head according to claim 4, characterized in that: The reset mechanism (4) comprises a sealing plate (41) fixedly mounted in the discharge port (112) and a reset spring (42) arranged between the sealing plate (41) and the inclined block (34); the cleaning rod (341) is slidably mounted in the sealing plate (41).

6. The anti-clogging plastic pump head according to claim 4, characterized in that: A plurality of cleaning plates (342) distributed in a circular array are fixedly mounted on the cleaning rod (341).

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