CN2661322Y - Leak-proof device of liquor pump - Google Patents

Abstract

The utility model discloses a new leakage preventing device of the liquor pump that is simple to be prepared, convenient to be used and has a beautiful shape. The past leakage preventing device of the liquor pump has a complicated manufacturing and processing technique and a high manufacturing cost and the shape is not beautiful when opening the pressure head and the operation is inconvenient when locking the pressure head. As an upwardly protruded neck ring arranged outside a guide pipe and a cylinder cap and the tight matching between the neck ring and the guide pipe, the utility model not only guarantees the leakage preventing performance of the overall device, but also avoids the gap of residual contaminants existing between the neck ring and the guide pipe, and guarantees the contaminant preventing performance of the overall device. In addition, the neck ring is confined by a clamping ring provided outside the neck ring and on the cylinder cap and the utility model has more beautiful overall appearance. A clamping structure is formed by mutual matching between an inwardly protruded clamping side of the inner wall of the clamping ring and a clamping gear provided on outer wall of an inner cover of the pressure head, and the utility model has better sealing performance of the overall device and simpler operation. The utility model is widely suitable for the pump type outer package bottle of various liquid or emulsified daily necessities.

Description

New liquid pump leak-proof device

Technical field

The utility model relates to the liquid pump, particularly a kind of new liquid pump leak-proof device.

Background technology

At present, the bottle cap of many daily liquid or emulsus articles for use all is furnished with by pressure head, conduit, the liquid pump that cylinder and cylinder cover etc. are formed, the liquid pump pumps liquid by gas in the bottle is pushed, be convenient for people to daily use, bottle inside and outside air pressure balance and profile was attractive in appearance when general liquid pump was the assurance fluid, and guarantee the sealing property of whole bottle cap and easy to use, often between cylinder cover and conduit, leave the gap of depression, and tend in the gap of depression more residual use things, in case use thing and sewage to accumulate in the gap of depression, will enter in the bottle along the catheter wall seepage, make the liquid in the bottle be polluted and go bad, shelf-life shortens, thereby influences the quality and the reputation of product.In order to overcome the above problems, the patentee discloses a kind of liquid pump leak-proof device in utility model patent ZL02225227.4, this device had both been eliminated the depressed area of residual dirt between conduit and the cylinder cover, improved the leak resistance of whole device again, but processing technology thereof complexity, production cost are high slightly, and external form is attractive in appearance inadequately when opening pressure head, and operation is not too convenient when needing the locking pressure head.

Summary of the invention

At the problems referred to above, the utility model provides a kind of new liquid pump leak-proof device simple, easy to use, good looking appearance of making.

The technical scheme that its technical problem that solves the utility model adopts is:

New liquid pump leak-proof device, one conduit that links to each other with drain pipe is arranged in the pressure head, conduit links to each other with the pressure balance cylinder by the cylinder cover of band through hole, conduit is outer, neck ring protruding upward is arranged on the cylinder cover, neck ring is outer, the circle of fastening is arranged on the cylinder cover, fasten oriented projecting inward button limit on the inwall that encloses, pressure head is interior, conduit has an inner cap outward, on the outer wall of inner cap buckle teeth is arranged.

The beneficial effects of the utility model are: because conduit is outer, neck ring protruding upward is arranged on the cylinder cover, neck ring and conduit close fit, both guaranteed the leak resistance of single unit system, avoid having between neck ring and the conduit gap of residual dirt again, guarantee the antifouling property of single unit system, in addition, fastening circle outside the neck ring, on the cylinder cover with the neck ring circle inside, make monnolithic case more attractive in appearance, and the buckle teeth on the outer wall of projecting inward button limit and pressure head inner cap that fastens on the circle inwall cooperatively interacts, form a fastening structure, easy to operate, make simple.

Description of drawings

Below in conjunction with drawings and Examples the utility model is further specified:

Fig. 1 is a pressure head Unclosing structure schematic diagram of the present utility model;

Fig. 2 is a pressure head latch-up structure schematic diagram of the present utility model;

Fig. 3 is a structure cut-away view of the present utility model;

Fig. 4 is the A portion structure enlarged drawing among Fig. 3.

The specific embodiment

With reference to Fig. 1, Fig. 2, Fig. 3, Fig. 4, new liquid pump leak-proof device, one conduit 3 that links to each other with drain pipe 2 is arranged in the pressure head 1, conduit 3 links to each other with pressure balance cylinder 5 by the cylinder cover 4 of band through hole, outside the conduit 3, neck ring protruding upward 6 is arranged on the cylinder cover 5, with reference to Fig. 3, Fig. 4, for easy to process, neck ring 6 of the present utility model is connected as a single entity with cylinder cover 5, adding man-hour is with a mould cylinder cover 5 and neck ring 6 to be processed simultaneously, be sleeved on then outside the conduit 3, compare with neck ring 6 with split cylinder cover 5, not only leak resistance is better, easy for installation, and not having the gap of remaining dirt, antifouling property is good, and easy to process; With reference to Fig. 1, Fig. 3, Fig. 4, neck ring 6 is outer, the circle of fastening 7 is arranged on the cylinder cover 5, for easy to process, fastening circle 7 of the present utility model also is to be connected as a single entity with cylinder cover 5, oriented projecting inward button limit 8 on the inwall of fastening circle 7, and button limit 8 is evenly distributed on the inwall both sides that fasten circle 7, can be two symmetrical arc limits that are linked as a line, also can be the arc limit of segmentation, consider, preferably be linked as two symmetrical arc limits of a line from the processing aspect; With reference to Fig. 1, Fig. 2, Fig. 3, in the pressure head 1, conduit 3 is outer that an inner cap 9 arranged, buckle teeth 10 is arranged on the outer wall of inner cap 9, buckle teeth 10 processes when processing inner cap 9 simultaneously, production technology is simple, in addition, the quantity of buckle teeth 10 is two or more, and with the inwall that fastens circle 7 on to the 8 mutual corresponding engagements of projecting inward button limit, when pressure head 1 locking, the buckle teeth 10 on inner cap 9 outer walls is being detained the limit 8 times by clinching, the rotary press head 1 gently of only need taking advantage of a situation this moment, whole pressure head 1 just can be locked in the top of cylinder cover 5 tightly, and is simple to operation.Certainly, the utility model can also be increased external screw thread and increase corresponding with it internal thread in inner cap 9 on neck ring 6, and such structure can reach the purpose of locking pressure head 1 equally, but the processing technology complexity, the production cost height, and profile is not too attractive in appearance.

With reference to Fig. 1, Fig. 2, on the fastening circle 7 of new liquid pump leak-proof device, have the delivery port 11 of the top end face of a straight-through cylinder cover 5, because the utility model will fasten the periphery that circle 7 is arranged on conduit 3 and neck ring 6, fasten circle 7 in order to cooperate with inner cap 9, fasten between circle 7 and the neck ring 6 and must leave the gap, gappedly just have residue and sewage is remaining, if can not get timely cleaning, can form dirt, therefore, in order to address this problem, the utility model is fastening on the circle 7, opened the delivery port 11 of the top end face of a straight-through cylinder cover 5, sewage and residue can be discharged from delivery port 11 easily, guarantee to fasten the cleaning of circle 7 inside, thereby guarantee the blowdown performance of single unit system.In addition, with reference to Fig. 1, when pressure head 1 is opened, fasten circle 7 and can make that the profile of single unit system is more attractive in appearance with internal structure circles such as neck rings 6 inside.

In addition, with reference to Fig. 3, Fig. 4, because the neck ring 6 of this new liquid pump leak-proof device is and cylinder cover 5 tubular lobes that cooperate with conduit 3 that be connected as a single entity, in order further to strengthen the fastness of single unit system, the utility model is processed with many reinforcements 12 on the outer wall of neck ring 6, reinforcement 12 preferably also is that the top end face from cylinder cover 5 raises up, be connected as a single entity with cylinder cover 5 and neck ring 6, such reinforcement 12 is not only solid and reliable, and process very convenient, particularly be used for the outsourcing bottling of large-scale a little liquid or emulsus articles for daily use when this device, this structure more can embody its effect, because people always get used to catching smoothly a little pressure head 1 and go to mention by conduit 3 whole Packaging Bottle is mentioned in use, if at this moment there is not reinforcement 12, after rocking several times, it is destroyed that neck ring 6 is easy to, thereby influence the leakproof of single unit system, antifouling property.

Claims (4)

1, new liquid pump leak-proof device, one conduit (3) that links to each other with drain pipe (2) is arranged in the pressure head (1), conduit (3) links to each other with pressure balance cylinder (5) by the cylinder cover (4) of band through hole, it is characterized in that outside the conduit (3), on the cylinder cover (5) neck ring protruding upward (6) arranged, neck ring (6) is outer, the circle of fastening (7) is arranged on the cylinder cover (5), fasten oriented projecting inward button limit (8) on the inwall that encloses (7), pressure head (1) is interior, conduit (3) is outer an inner cap (9), and buckle teeth (10) is arranged on the outer wall of inner cap (9).

2, new liquid pump leak-proof device according to claim 1, the quantity that it is characterized in that buckle teeth (10) is two or more.

3, new liquid pump leak-proof device according to claim 1 is characterized in that having delivery port (11) on the fastening circle (7).

4, new liquid pump leak-proof device according to claim 1 is characterized in that on neck ring (6) outer wall many reinforcements (12) being arranged.