CN201254337Y - Follow-on drawing liquid pump - Google Patents

Abstract

The utility model relates to an improved liquid pump, which belongs to the manufacturing industry of daily plastic products. The pump is an improvement of the existing liquid pump, and the locking sealing part is replaced by a pump bead to form a lower pump rod, so that a part, namely the lower pump rod, is saved, and the sizes of a spring and a liquid guiding pipe are reduced, thereby achieving the purpose of saving materials; the aim of saving accessories and raw materials is achieved; and has convenient use and wide application range. The utility model discloses a bent mouth (1), locking lid (2), gasket (5), inhale stopper (6), pressure spring (7), pump chamber (8) and drainage pipe (9), characterized by is equipped with pump pearl (10) on the upper portion of imbibition hole (8-1) of pump chamber (8) lower extreme, and the diameter of pump pearl (10) is greater than the diameter of imbibition hole (8-1).

Description

A kind of follow-on infusion pump

Technical field:

The utility model is that existing infusion pump is improved, and obtains a kind of follow-on infusion pump, belongs to daily plastic goods manufacture.

Background technology:

Infusion pump is used very generally in our daily life, mainly is to pump cleansing fluid at aspects such as people's hair washing, showers to have one's hair wash or take a shower, and is very convenient.Existing infusion pump mainly is made up of curved mouth, tightening cover, lock bottle cap, pump chamber, upper and lower pump rod, piston, pump pearl and spring, it is to cooperate the interference sealing between pump rod and pump chamber under utilizing under locking state, to guarantee packing material unlikely leakage under transportation or pressurized situation, its principle of work is for to act on curved mouth by external force, drive reciprocating motion of the pistons, make to produce parital vacuum in the pump chamber, thereby cleansing fluid is aspirated up for people to use, very convenient.But this kind infusion pump still has certain weakness: the parts material is more.Therefore, can continue to reduce the consumption of material.The Zhongshan City Meijieshi Spraying Valve Co., Ltd is the maximum spray valve manufacturing company of China, production spray valve, infusion pump have historical for many years, have accumulated rich experience, and it improves existing infusion pump, reach the purpose of saving in material, this is the background that the utility model is born.

The utility model content:

The purpose of this utility model provides a kind of follow-on infusion pump, it is with former existing production, uses the following pump rod in the infusion pump for many years to save, and adopt the pump pearl to guarantee that infusion pump seals at locking state, model with spring and liquid guiding tube also diminishes simultaneously, reaches the purpose of economical with materials with this.The technical scheme of the utility model technical solution problem is such, contriver's design will improve original infusion pump, have only from following pump rod and start with, originally sealing under the locking state by long pump rod down, and one of generation a pump pearl seal pump chamber, thereby save down the pump rod parts, and can reduce the model of spring, reduce the liquid guiding tube diameter, thereby reduce the consumption of material from these several aspects.The utility model comprises curved mouth, tightening cover, goes up pump rod, locks bottle cap, pad, suction plug, holddown spring, pump chamber, liquid guiding tube, pump pearl, its first constructional feature is on the top of the imbibing hole of pump chamber lower end the pump pearl to be housed, and the diameter of pump pearl is greater than the diameter of imbibing hole.Its second constructional feature is to go up the pump rod internal upper part base pipe is arranged, and the both sides, bottom have side opening and side opening to communicate with base pipe, on the periphery of the bottom of side opening ring-shaped step are arranged, and on last pump rod bottom face shrinkage pool are arranged; On the ring-shaped step lower, outer perimeter of last pump rod, connect holddown spring, connect circular suction plug on ring-shaped step top; The upper end of above-mentioned connector from pump chamber fitted in the pump chamber, and the shrinkage pool apical grafting of last pump rod bottom face connects pad in the step bottom of pump chamber on the pump pearl; The lock bottle cap is connected the step top of pump chamber, then tightening cover is screwed in by negative thread on the outside thread on pump chamber top, the endoporus of curved mouth is that to be crimped in the exterior groove of pump rod one-tenth as a whole; At last curved mouth is connected in the rectangle negative thread at tightening cover middle part by its rectangle external thread rotary.Its 3rd constructional feature is socket liquid guiding tube on the pipette of pump chamber bottom, and by the externally threaded reservoir of negative thread connection bottleneck band of lock bottle cap, the end of liquid guiding tube extends the top of the bottom face of reservoir.Advantage of the present utility model in sum is as follows, and (one) is rational in infrastructure, assembling is accurate, dependable performance; (2) obtain saving accessory and raw-material purpose; (3) easy to use, wide application.

Description of drawings:

Further specify structure of the present utility model according to description of drawings and specific embodiments below.

Accompanying drawing 1 is a sectional plan view of the present utility model;

Accompanying drawing 2 is the front view of pump rod on the parts of the present utility model;

Accompanying drawing 3 is the front view that parts of the present utility model are inhaled plug;

Accompanying drawing 4 is a pump rod and the sectional plan view of inhaling the plug assembling on the parts of the present utility model;

Accompanying drawing 5 is the front view of parts pump sky of the present utility model;

Accompanying drawing 6 is a running condition reference diagram of the present utility model.

In the accompanying drawing: 1, curved mouth, 1-1, endoporus, 1-2, rectangle outside thread, 2, tightening cover, 2-1, negative thread, 2-2, rectangle negative thread, 3, go up pump rod, 3-1, base pipe, 3-2, side opening, 3-3, ring-shaped step, 3-4, shrinkage pool, 3-5, groove, 4, the lock bottle cap, 4-1, negative thread, 5, pad, 6, inhale plug, 7, holddown spring, 8, pump chamber, 8-1, imbibing hole, 8-2, step, 8-3, outside thread, 8-4, pipette, 9, liquid guiding tube, 10, the pump pearl, 11, reservoir.

The specific embodiment:

According to each accompanying drawing, make each parts of the present utility model and assemble.Inventive point of the present utility model is a following pump rod of having cancelled prior art, replaces the imbibing hole 8-1 that a pump pearl 10 seals pump chamber 8 lower ends.As shown in Figure 1: pump pearl 10 has been withstood the imbibing hole 8-1 of pump chamber 8, can tightly seal imbibing hole 8-1.The process of whole assembling of the present utility model is as follows, at first is installed on the ring-shaped step 3-3 top of last pump rod 3 to inhale plug 6, will bend the groove 3-5 flush fit that mouth 1 utilizes its endoporus 1-1 and last pump rod 3 tops then, and it is as a whole that both are combined into.Then tightening cover 2 is connected on the curved mouth 1 exterior square thread 1-2 by the square thread 2-2 in its endoporus; At the ring-shaped step 3-3 bottom of last pump rod 3 serial connection holddown spring 7.Upper step 8-2 bottom at pump chamber 8 connects circular gasket 5, and a lock bottle cap 4 is connected the top of the step 8-2 of pump chamber 8.Then the combinations thereof body is sent into 8 li of pump chambers, the negative thread 2-1 of tightening cover 2 and the outside thread 8-3 on pump chamber 8 tops are tightly spun, it is as a whole that tightening cover 2 and pump chamber 8 are connected into, this at present the shrinkage pool 3-4 of pump rod 3 bottom end faces be crimped on the surface of pump pearl 10.The utility model promptly has been assembled into merit like this, can be assemblied in the utility model on the externally threaded reservoir by lock bottle cap 4.Principle of work of the present utility model and condition of service are as follows: at first with the moving curved mouth 1 of hand-screw, curved mouth 1 is separated with tightening cover 2, at this moment curved mouth 1 and last pump rod 3 become a mobile.During by press-bending mouth 1, at first will overcome the elastic force of holddown spring 7, curved mouth 1 withstands pump rod 3 and moves down for 8 li at pump chamber, lag behind and inhale plug 8, pump pearl 10 is also stopped up imbibing hole 8-1, and inhale plug 8 this moment and open 3 exhaust passages of last pump rod, and the gas in the pump chamber 8 is discharged.Unclamp curved mouth 1, because of the upper elasticity effect of holddown spring 7, inhaling plug 6 will lag behind, and inhale sealing at once between plug 6 and the last pump rod 3, the pump chamber 8 that plug 6 bottoms are inhaled in last pump rod 3 risings is reached parital vacuum, and the cleansing fluid in the reservoir 11 is sucked among the base pipe 3-1 of pump rod 3.The curved mouth 1 of extruding is oppressed formation vacuum and aspiration procedure and is carried out repeatedly repeatedly, and it is people's uses that the outlet pipe 1-3 that cleansing fluid constantly rises and bends mouth 1 until arriving in base pipe 3-1, cleansing fluid are discharged from infusion pump.

Claims (3)

1. An improved liquid suction pump, including a curved mouth (1), a locking cap (2), an upper pump rod (3), a locking cap (4), a gasket (5), and a suction plug (6) , compression spring (7), pump chamber (8) and liquid introduction pipe (9), it is characterized in that pump bead (10) is housed on the top of the liquid suction hole (8-1) at the lower end of pump chamber (8), The diameter of the pump bead (10) is larger than that of the liquid suction hole (8-1). 2. An improved liquid suction pump according to claim 1, characterized in that there is a central pipe (3-1) in the upper part of the upper pump rod (3), side holes (3-2) on both sides of the lower part, And the side hole (3-2) communicates with the center pipe (3-1), and there is an annular step (3-3) on the lower outer circular surface of the side hole (3-2), and on the bottom end surface of the upper pump rod (3) There is a concave hole (3-4); a compression spring (7) is connected on the outer circumference of the lower part of the annular step (3-3) of the upper pump rod (3), and a circular suction is connected on the upper part of the annular step (3-3). Plug (6); Assemble the above connecting body into the pump chamber (8) from the upper end of the pump chamber (8), and the concave hole (3-4) on the bottom surface of the upper pump rod (3) is connected to the top of the pump bead (10) Connect the gasket (5) to the lower part of the step (8-2) of the pump chamber (8); connect the bottle lock cap (4) to the upper part of the step (8-2) of the pump chamber (8), and then lock the The cover (2) is screwed on the external thread (8-3) on the upper part of the pump chamber (8) through the internal thread (2-1), and the inner hole (1-1) of the elbow (1) is crimped on the upper pump The outer groove (3-5) of the rod (3) becomes a whole; finally, the elbow (1) is screwed to the rectangular internal thread ( 2-2) in. 3. An improved liquid suction pump according to claim 1 or 2, characterized in that the liquid suction pipe (9) is sleeved on the liquid suction pipe (8-4) at the bottom of the pump chamber (8), through The internal thread (4-1) of the lock bottle cap (4) connects the liquid storage bottle (11) with the external thread of the bottleneck, and the end of the liquid introduction pipe (9) stretches to the top of the bottom end surface of the liquid storage bottle (11).

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