External spring food pump

Abstract

The utility model discloses an external spring food pump which comprises a cylinder body, a valve plate structure, a screw cap, a cylinder cover, a spring, a cylinder rod, a piston, a pressing head and a driving piece, the cylinder body is provided with a containing cavity, the valve plate structure is arranged at the bottom end of the containing cavity, the cylinder cover is arranged in the upper end of the cylinder body, and the cylinder cover is provided with a first containing through hole corresponding to the containing cavity. The bottom end of the first containing through hole extends upwards to form a first protruding part, the bottom end of the cylinder rod penetrates through the first containing through hole and the spring and is contained in the containing cavity, the outer wall of the cylinder rod extends downwards to form a second protruding part, the spring is arranged between the first protruding part and the second protruding part, the piston is fixed to the bottom end of the cylinder rod, and the driving piece is arranged at the bottom end of the cylinder rod. The driving piece is provided with a slotting hole enabling the cylinder rod to be communicated with the containing cavity, and a switch valve plate is movably arranged in the valve plate structure. By means of the mode, a wave bead does not need to be arranged in the food pump with the external spring, the phenomenon that materials in the container are polluted can be effectively avoided, and food safety is effectively improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to pump head technical field, concretely is a kind of external spring food pump. BACKGROUND

[0002] In daily life, people often drink some material, and the material container gradually adopts pump head device to store these materials, such as milk tea, coffee, juice, etc., so that it is more convenient to use the internal material.

[0003] Generally, the pump head is provided with a wave bead (mostly composed of metal material) to prevent the material from flowing back, but the current pump head device often faces a problem in use, that is, after pressing the pump head, the material discharged by the pump head cannot be used up every time, and the unused material will flow back along the pump pipe to the wave bead at the bottom of the pump pipe, which will pollute the wave bead blocked at the opening over time, and the material in the container will also contact the contaminated wave bead every time it needs to be pumped out, which will cause the material in the container to be contaminated, and there is a hidden danger of food safety. CONTENT OF THE UTILITY MODEL

[0004] (I) Technical problem solved

[0005] In view of the deficiencies of the prior art, the utility model provides an external spring food pump, which can solve the above technical problems.

[0006] (II) Technical scheme

[0007] To solve the above technical problems, the utility model provides technical scheme as follows: A kind of external spring food pump, it is characterized by comprising: cylinder, it is equipped with for accommodating emulsion accommodating cavity, wherein the outside of the top end of the cylinder is equipped with annular clamping ring;Valve piece structure, it is arranged at the bottom end of the accommodating cavity;Screw cover, it is arranged outside the clamping ring, for being connected with the bottle body of food bottle by screw thread;Cylinder cover, it is arranged in the upper end of the cylinder, for sealing the accommodating cavity of the cylinder, wherein the cylinder cover is equipped with with the first accommodating through hole corresponding to the accommodating cavity, and the bottom end of the first accommodating through hole of the cylinder cover is extended upwards and is equipped with annular first protruding portion;Spring, it is accommodated in the first accommodating through hole and is sleeved outside the first protruding portion;Cylinder rod, its bottom end passes through the first accommodating through hole and the spring and is accommodated in the accommodating cavity, wherein the first flow-through hole is equipped along the length direction in the cylinder rod, the outer wall of the cylinder rod in the first accommodating through hole is extended downwards and is equipped with annular second protruding portion, the inner wall of the second protruding portion and the outer wall of the cylinder rod form first accommodating groove, and the spring is in the first accommodating groove;Piston, it is accommodated in the accommodating cavity, and is fixedly connected with the bottom end of the cylinder rod;Push head, it is arranged at the top end of the cylinder rod, wherein the push head is equipped with with the second flow-through hole communicating with the first flow-through hole;Driving member, it is arranged at the bottom end of the cylinder rod, wherein the driving member is equipped with with slit hole for making the first flow-through hole and the accommodating cavity communicate;Wherein, the on-off valve piece is movably arranged in the valve piece structure.

[0008] Preferably, the bottom end of the cylinder is extended and provided with an extension portion, the extension portion is provided with a liquid inlet hole, the bottom wall of the accommodating cavity is provided with a communication hole communicating with the liquid inlet hole, and the on-off valve piece is movably arranged in the communication hole.

[0009] Preferably, the bottom wall of the accommodating cavity is upwardly extended and provided with a protruding plate outside the communication hole, the protruding plate is formed with a first accommodating groove, and the valve piece structure is arranged in the first accommodating groove.

[0010] Preferably, the valve piece structure further comprises an annular fixing ring, and the inner wall of the fixing ring is connected with the on-off valve piece through a first connecting strip, a second connecting strip and a third connecting strip.

[0011] Preferably, the on-off valve piece is circular, and the first connecting strip, the second connecting strip and the third connecting strip are all long arc-shaped.

[0012] Preferably, the driving member comprises a clamping portion and a pressing portion, the clamping portion is arranged in the first flow-through hole of the cylinder rod, the pressing portion is connected with the clamping portion and arranged outside the first flow-through hole, and the clamping portion is provided with the slit hole.

[0013] Preferably, the clamping portion comprises a first clamping plate, a second clamping plate, a third clamping plate and a fourth clamping plate arranged in the first flow-through hole, wherein two adjacent ones of the first clamping plate, the second clamping plate, the third clamping plate and the fourth clamping plate are provided with the slit hole.

[0014] Preferably, the extrusion portion is circular, and the first receiving groove is circular, wherein the outer diameter of the fixing ring is equal to the hole diameter of the first receiving groove, and the outer diameter of the extrusion portion is equal to the outer diameter of the fixing ring.

[0015] (Three) beneficial effects

[0016] Compared with the prior art, the utility model provides a kind of external spring food pump, with following beneficial effects: the external spring food pump disclosed in the utility model includes cylinder, valve piece structure, screw cover, cylinder cover, spring, cylinder rod, piston, head and driving element, wherein cylinder is equipped with receiving cavity, valve piece structure is arranged at the bottom end of receiving cavity, cylinder cover is arranged in the upper end of cylinder, cylinder cover is equipped with with the first receiving through hole corresponding with receiving cavity, the first protruding portion is extended upward in the bottom end of first receiving through hole, cylinder rod bottom end passes through first receiving through hole and spring and is received in receiving cavity, second protruding portion is extended downward in the outer wall of cylinder rod, spring is arranged between first protruding portion and second protruding portion, piston is fixed in the bottom end of cylinder rod, driving element is arranged in the bottom end of cylinder rod, and driving element is equipped with the slit hole for making cylinder rod and receiving cavity communicate, and switch valve piece is movably arranged in valve piece structure. By the above-mentioned mode, the external spring food pump disclosed in the utility model does not need to be provided with wave bead, can effectively avoid the phenomenon that material in container is polluted, effectively improves the safety of food. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is the perspective view of the utility model external spring food pump;

[0018] Figure 2 It is Figure 1 It is the sectional view of the utility model external spring food pump;

[0019] Figure 3 It is Figure 1 It is the first local structure schematic view of the utility model external spring food pump;

[0020] Figure 4 It is Figure 1 It is the second local structure schematic view of the utility model external spring food pump;

[0021] Figure 5 It is Figure 1 It is the three-dimensional structure schematic view of the utility model driving element;

[0022] Figure 6 It is Figure 1 It is the three-dimensional structure schematic view of the utility model valve piece structure;

[0023] Figure 7 For Figure 2 The local structure schematic view in. DETAILED DESCRIPTION

[0024] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0025] As Figures 1-7 Indicated, the utility model provides a kind of external spring food pump, including cylinder body 1, valve piece structure 2, screw cap 3, cylinder cover 4, spring, cylinder rod 5, piston 6, push head 7 and driving part 8.

[0026] Cylinder body 1 is equipped with the receiving cavity 101 for accommodating emulsion, wherein the outside of the top end of cylinder body 1 is equipped with the ring-shaped clamping ring 11. It should be understood that after the liquid of the food bottle is pumped up, it will be pumped out through the receiving cavity 101 of cylinder body 1.

[0027] Valve piece structure 2 is arranged at the bottom end of receiving cavity 101, and it should be understood that valve piece structure 2 is used to control the solution in the bottle to flow upwards into receiving cavity 101 and prevent the solution in receiving cavity 101 from flowing back.

[0028] Preferably, a movable switch valve piece 21 is arranged in valve piece structure 2. It should be understood that since the switch valve piece 21 is movable (i.e. the switch valve piece 21 has elasticity and can move up and down), the liquid in the bottle will temporarily lift the switch valve piece 21 when being pumped upwards, so that the solution in the bottle is pumped into receiving cavity 101, and when there is no continuous pumping force, the switch valve piece 21 will reseal the bottom wall of receiving cavity 101 so that the solution in receiving cavity 101 cannot flow back. In addition, since the present embodiment controls the solution in the bottle to enter receiving cavity 101 through valve piece structure 2 and prevents the solution in receiving cavity 101 from flowing back through valve piece structure 2, it can replace the traditional glass bead, so that the pump does not need to be provided with a glass bead, which can effectively prevent the material in the container from being contaminated and effectively improve the safety of food.

[0029] Screw cap 3 is arranged outside clamping ring 11 and is used to be threadedly connected with the bottle body of the food bottle. It should be understood that screw cap 3 is provided with threads for threadedly connecting with the bottle body.

[0030] The cylinder cover 4 is arranged in the upper end of the cylinder body 1 to seal the accommodating cavity 101 of the cylinder body 1, wherein the cylinder cover 4 is provided with a first accommodating through hole corresponding to the accommodating cavity 101, and the bottom end of the first accommodating through hole of the cylinder cover 4 is provided with a first protruding part 41 in the form of a ring. It should be understood that the outer diameter of the first protruding part 41 is smaller than the hole diameter of the first accommodating through hole.

[0031] The spring is accommodated in the first accommodating through hole and is sleeved outside the first protruding part 41.

[0032] The bottom end of the cylinder rod 5 passes through the first accommodating through hole and the spring and is accommodated in the accommodating cavity 101, wherein the cylinder rod 5 is provided with a first flow-through hole 52 along the length direction thereof, the outer wall of the cylinder rod 5 in the first accommodating through hole is provided with a second protruding part 51 in the form of a ring extending downward, and the inner wall of the second protruding part 51 and the outer wall of the cylinder rod 5 form a first accommodating groove, and the spring is in the first accommodating groove.

[0033] It can be understood that the liquid in the bottle is only pumped out through the first flow-through hole 52 in the process of being pumped upward, because the spring is outside the top of the cylinder rod 5, so the liquid will not contact the spring, thereby further avoiding pollution.

[0034] The piston 6 is accommodated in the accommodating cavity 101, wherein the piston 6 is fixedly connected with the bottom end of the cylinder rod 5.

[0035] The pressing head 7 is arranged at the top end of the cylinder rod 5, wherein the pressing head 7 is provided with a second flow-through hole 71 communicating with the first flow-through hole 52. That is to say, after the liquid in the bottle is pumped into the first flow-through hole 52, it will continue to be pumped out along the second flow-through hole 71, so that the liquid in the bottle can be pumped out.

[0036] The driving part 8 is arranged at the bottom end of the cylinder rod 5, wherein the driving part 8 is provided with a slit hole 83 for making the first flow-through hole 52 communicate with the accommodating cavity 101. It should be understood that the driving part 8 is below the piston 6, and after the pressing head 7 is pressed downward, the liquid in the accommodating cavity 101 will be pumped into the first flow-through hole 52 (that is, in the cylinder rod 5) from the slit hole 83 under the action of pressure, so as to be pumped upward.

[0037] In the embodiment, the bottom end of the cylinder body 1 is provided with an extension part 12, the extension part 12 is provided with a liquid inlet hole 121, wherein the bottom wall of the accommodating cavity 101 is provided with a communication hole 122 communicating with the liquid inlet hole 121, and the switch valve plate 21 is movably arranged in the communication hole 122. That is to say, the extension part 12 is connected with the bottle body containing liquid, and after the pressing head 7 is pressed, the liquid will be pumped upward from the liquid inlet hole 121, at this time the switch valve plate 21 at the communication hole 122 will be lifted by the upwardly pumped liquid, so as to make the liquid enter the accommodating cavity 101.

[0038] Preferably, the switch valve piece 21 is in a circular shape, and the communication hole 122 is in a circular shape, wherein the diameter of the switch valve piece 21 is greater than the hole diameter of the communication hole 122.

[0039] In the present embodiment, the bottom wall of the accommodation cavity 101 extends upwardly with a raised plate 123 outside the communication hole 122, wherein the raised plate 123 is formed with a first accommodation groove (i.e. the communication hole 122 is arranged on the bottom wall of the first accommodation groove), and the valve piece structure 2 is arranged in the first accommodation groove.

[0040] Further, the valve piece structure 2 further comprises a fixing ring 22 in a circular ring shape, wherein the inner wall of the fixing ring 22 is connected with the switch valve piece 21 through a first connecting strip 221, a second connecting strip 222 and a third connecting strip 223. It should be understood that the fixing ring 22 is fixedly arranged in the first accommodation groove, and one end of each of the first connecting strip 221, the second connecting strip 222 and the third connecting strip 223 is connected with the inner wall of the fixing ring 22, and the other end of each of the first connecting strip 221, the second connecting strip 222 and the third connecting strip 223 is connected with the switch valve piece 21, so that the switch valve piece 21 can move relative to the fixing ring 22 through the connecting strips.

[0041] Preferably, each of the first connecting strip 221, the second connecting strip 222 and the third connecting strip 223 is in a long strip arc shape, so that the switch valve piece 21 has a certain elasticity and can be lifted up and down to actively control the on-off of the communication hole 122.

[0042] It can be understood that the first connecting strip 221, the second connecting strip 222 and the third connecting strip 223 can provide elasticity for the switch valve piece 21, so that when the liquid in the bottle is pushed upwardly, the switch valve piece 21 can be actively lifted up to allow the solution in the bottle to enter the accommodation cavity 101, and when the plunger is not pressed, the switch valve piece 21 seals on the communication hole 122 to prevent the solution in the accommodation cavity 101 from flowing back.

[0043] Preferably, the switch valve piece 21, the fixing ring 22, the first connecting strip 221, the second connecting strip 222 and the third connecting strip 223 are arranged in the same horizontal plane.

[0044] In the present embodiment, the driving member 8 comprises a clamping portion 81 and a pressing portion 82, wherein the clamping portion 81 is arranged in the first flow-through hole 52 of the cylinder rod 5, the pressing portion 82 is connected with the clamping portion 81 and arranged outside the first flow-through hole 52, and the clamping portion 81 is provided with a slit hole 83. It should be understood that when the plunger 7 is pressed down, the cylinder rod 5 will be pressed down and will also bring the driving member 8 to be pressed down, at this time the pressing portion 82 will be pressed down to the valve piece structure 2, so as to press the valve piece structure 2 on the bottom of the accommodation cavity 101 of the cylinder body 1, and make the switch valve piece 21 seal on the communication hole 122.

[0045] Further, the card accommodating portion 81 comprises a first card plate, a second card plate, a third card plate and a fourth card plate arranged in the first flow-through hole 52, wherein two adjacent ones of the first card plate, the second card plate, the third card plate and the fourth card plate are provided with a slit hole 83. It should be understood that the piston 6 is sealingly connected to the bottom of the cylinder rod 5, so that the liquid pumped up can only enter the cylinder rod 5 from the slit hole 83.

[0046] In the embodiment, the extrusion portion 82 is circular, and the first accommodating groove is circular, wherein the outer diameter of the fixing ring 22 is equal to the hole diameter of the first accommodating groove, and the outer diameter of the extrusion portion 82 is equal to the outer diameter of the fixing ring 22.

[0047] Specific working principle:

[0048] When the pressing head 7 is pressed to descend, the driving member 8 is also pressed downward (at this time, the spring is extruded to store energy), the switch valve plate 21 seals the communication hole 122, so that the solution in the accommodating cavity 101 cannot flow back into the communication hole 122, and under the action of pressure, the solution in the accommodating cavity 101 will enter the first flow-through hole 52 of the cylinder rod 5 along the slit hole 83, and the liquid entering the first flow-through hole 52 will be further pumped out from the second flow-through hole 71; when the pressing head 7 is not pressed, the spring is released to automatically extrude the pressing head 7 to rise and reset, and in the rising process of the pressing head 7, the switch valve plate 21 in the accommodating cavity 101 will also rise to communicate the communication hole 122 with the accommodating cavity 101, at this time, the solution in the bottle will enter the accommodating cavity 101, and when the pressing head 7 is pressed again, the solution in the accommodating cavity 101 will be pumped out.

[0049] It should be noted that the terms "comprising", "containing" or any other variant thereof are intended to cover a non-exclusive inclusion, such that a process, method, article or apparatus that comprises a list of elements does not include only those elements, but can also include other elements not expressly listed or inherent to such process, method, article or apparatus. Without further limitation, an element defined by the phrase "comprising a" does not exclude the presence of additional identical elements in the process, method, article or apparatus that includes the element.

[0050] 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 to these embodiments without departing from the principles and spirit of the present application, and the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. An external spring food pump characterized by, The utility model relates to a food bottle valve structure, including: The cylinder is equipped with the accommodation cavity for accommodating emulsion, wherein the outer side of the top end of the cylinder is equipped with the circular ring shaped clamping ring; The valve piece structure is arranged in the bottom end of the accommodation cavity; The screw cap is arranged outside the clamping ring and is used for being screwed with the bottle body of the food bottle; The cylinder cover is arranged in the upper end of the cylinder and is used for sealing the accommodation cavity of the cylinder, wherein the cylinder cover is equipped with the first accommodation through hole corresponding to the accommodation cavity, and the bottom end of the first accommodation through hole of the cylinder cover extends upward and is equipped with the circular ring shaped first protruding part; The spring is accommodated in the first accommodation through hole and is sleeved outside the first protruding part; The cylinder rod is accommodated in the accommodation cavity through the first accommodation through hole and the spring, wherein the first flow through hole is arranged in the cylinder rod along the length direction of the cylinder rod, the outer wall of the cylinder rod in the first accommodation through hole extends downward and is equipped with the circular ring shaped second protruding part, the inner wall of the second protruding part and the outer wall of the cylinder rod form the first accommodation groove, and the spring is arranged in the first accommodation groove; The piston is accommodated in the accommodation cavity and is fixedly connected with the bottom end of the cylinder rod; The pressing head is arranged in the top end of the cylinder rod, wherein the pressing head is equipped with the second flow through hole communicating with the first flow through hole; The driving piece is arranged in the bottom end of the cylinder rod, wherein the driving piece is equipped with the slit hole for making the first flow through hole communicate with the accommodation cavity; The valve piece structure is movably arranged with the switch valve piece.

2. The external spring food pump of claim 1, wherein The bottom end of the cylinder extends and is equipped with the extension part, the extension part is equipped with the liquid inlet hole, the bottom wall of the accommodation cavity is equipped with the communication hole communicating with the liquid inlet hole, and the switch valve piece is movably arranged in the communication hole.

3. The external spring food pump of claim 2, wherein The bottom wall of the accommodation cavity extends upward and is equipped with the protruding plate outside the communication hole, the protruding plate forms the first accommodation groove, and the valve piece structure is arranged in the first accommodation groove.

4. The external spring food pump of claim 3, wherein The valve piece structure further includes the circular ring shaped fixing ring, wherein the inner wall of the fixing ring is connected with the switch valve piece through the first connecting strip, the second connecting strip and the third connecting strip.

5. The external spring food pump of claim 4, wherein, The switch valve piece is circular, and the first connecting strip, the second connecting strip and the third connecting strip are all long strip arc shapes.

6. The external spring food pump of claim 4, wherein, The driving piece includes the clamping part and the extrusion part, wherein the clamping part is arranged in the first flow through hole of the cylinder rod, the extrusion part is connected with the clamping part and is arranged outside the first flow through hole, and the clamping part is equipped with the slit hole.

7. The external spring food pump of claim 6, wherein, The clamping part includes the first clamping plate, the second clamping plate, the third clamping plate and the fourth clamping plate arranged in the first flow through hole, wherein two adjacent ones of the first clamping plate, the second clamping plate, the third clamping plate and the fourth clamping plate form the slit hole.

8. The external spring food pump of claim 7, wherein, The extrusion part is circular, the first accommodation groove is circular, the outer diameter of the fixing ring is equal to the hole diameter of the first accommodation groove, and the outer diameter of the extrusion part is equal to the outer diameter of the fixing ring.

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