TWM547035U - Inflator - Google Patents

Description

Inflator

The present invention relates to an inflator, and more particularly to an inflator capable of manually inflating an inflator that needs to be inflated, such as a ball, a tire, an air cushion, and the like.

Inflatables such as balls, tires, air cushions, etc., usually need to be filled with gas to maintain the shape or to adjust the hardness. Therefore, various manual simple inflators have been developed, which can be combined with an inflatable needle. An inflation valve of the inflator is inserted and inflated by manual operation by a user. However, due to the different types and specifications of the inflation valves of various inflators, it is necessary to use matching inflatable needles when inflating, so users often need to prepare a plurality of commonly used inflatable needles. In this case, the inflatable needles It faces the problem of collection and carrying.

In view of the fact that the pump has not been equipped with an inflatable needle in the past, there is a problem of forgetting to carry or lose the use of the pump, so the industry has developed a pump that has a housing space and can be used to accommodate the inflatable needle. However, since the inflatable needles are all placed in a single one of the accommodation spaces, not only the collision, but also the impact noise such as slippage, rolling or mutual impact may occur, and the airdrops may fall easily when taken, so the design is Still needs improvement.

Accordingly, it is an object of the present invention to provide an inflator that overcomes at least the disadvantages of the prior art.

Thus, the novel inflator includes a barrel unit, a piston unit, a grip unit, and an inflation unit. The hub unit defines an inflatable space. The piston unit includes a piston set movably disposed in the inflatable space of the base unit, and an actuating rod movably disposed through the base unit and coupled to the piston set. The actuating rod fixedly coupled to the piston unit protrudes from one end of the base unit and can be along a center line relative to the base unit at a first position adjacent to the base unit, And moving between a second position away from the base unit, the grip unit defining a receiving space and at least one assembly space. The inflating unit includes an actuating rod that communicates with the piston unit, and can be outwardly pulled out of the inflation tube in the receiving space of the grip unit, and the same amount as the at least one assembly space A pumping needle that is taken out and stored in the corresponding at least one assembly space.

Referring to FIG. 1 , FIG. 2 and FIG. 3 , an embodiment of the air pump of the present invention can be used for manually inflating a ball, a tire, an air cushion, etc., which need to be inflated (not shown), and the pump includes a cylinder. The seat unit 1, a piston unit 2, a grip unit 3, and an inflation unit 4. In the following description, the orientation of the pump will be described in the direction shown in the figure. Of course, the use of the pump is not limited thereto, and the direction and angle can be changed according to the needs of use.

The pedestal unit 1 has a square long cylindrical shape and extends up and down along a center line 10, and includes a cylinder block 12 defining an plenum 11 and a gas valve 13 disposed at the bottom of the pedestal 12. And a cover 14 that is capped at the top of the base 12. The can lid 14 has a canopy body 141 for covering the inflatable space 11.

The piston unit 2 includes a piston set 21 movably disposed in the inflatable space 11 of the base unit 1, and an actuating lever 22 movably disposed through the cover 14 and coupled to the piston set 21. The actuating lever 22 defines a central bore 23 extending along the centerline 10.

The grip unit 3 has a square short cylindrical shape, and the outer contour of the cross section is the same as the outer contour of the cross section of the base unit 1. The grip unit 3 includes a grip 31 fixedly coupled to the top end of the base unit 1 by the actuating rod 22 fixedly coupled to the piston unit 2, and a gripperly correspondingly capped to the grip 31 End cap 32.

The grip 31 has a grip body 311 corresponding to the top of the cap 14 and connected to the top end of the actuating lever 22, and a plurality of partition portions 312 formed in the grip body 311. The grip body 311 cooperates with the partition walls 312 to define a centrally located containment space 313 and four assembly spaces 314 that are angularly spaced from each other and surround the containment space 313. The receiving space 313 extends along the center line 10 and communicates with the rod hole 23 of the actuating rod 22. It should be noted that the number of the assembling spaces 314 is not limited to four, in other variations of the embodiment. , can also be one, two...etc.

The end cap 32 has a side cover portion 322 which is detachably provided to the grip 31 and is formed with an opening 321 , and a mouth cover detachably provided to the opening 321 of the side cover portion 322 Part 323. The side cover portion 322 is configured to cover the assembly space 314. The opening 321 is connected to the receiving space 313. The mouth cover portion 323 is configured to cover the receiving space 313. The end cap 32 is made of a flexible material such as rubber or plastic. In the embodiment, the flap portion 323 is connected to one side of the side cover portion 322.

The inflating unit 4 includes an inflating tube 41 that can be taken out in the receiving space 313 of the grip unit 3, and four tubes that can be respectively taken out and stored in the assembly space 314. Pumping needle 42. The air tube 41 has a joint portion 411 detachably mounted in the receiving space 313 of the grip unit 3, and a top end is connected to the joint portion 411, and the bottom end is movably inserted into the actuating rod 22 The rod middle hole 23 is frictionally contacted with the joint portion 412 of the actuating rod 22. The nozzle portion 412 is a flexible tubular body that can be bent. In use, each of the airing needles 42 is detachably assembled to the top of the joint portion 411, and the types and specifications of the airing needles 42 may be different in order to meet different inflation requirements.

It is worth mentioning that the height of each of the partition portions 312 is smaller than the height of the grip body 311, and the top edge of each of the partition portions 312 is spaced below the top edge of the grip body 311, and is A spacing is formed between the top edges of the body 311, that is, the top edge position of each of the partition portions 312 is lower than the top edge position of the grip body 311. During assembly, each of the airing needles 42 is only embedded in a single one of the assembly spaces 314, and does not sway or slide on its own, and the top of each of the airing needles 42 protrudes upward to correspond to the corresponding wall. The part 312 is for the user to grasp and take.

Referring to FIG. 1 , FIG. 3 and FIG. 4 , in view of the combination relationship between the grip unit 3 and the base unit 1 , the present embodiment is provided with a steerable unlocking between the grip 31 and the cover 14 . The cartridge cover 14 further has a tube wall portion 142 formed in the center of the cylinder cover body 141 for movably passing the actuator rod 22, and a first cassette formed on the tube wall portion 142. The first latching portion 143 has a first latching block 144 projecting radially outward from the top of the tubular wall portion 142 at two angular intervals. The grip 31 further has a sleeve portion 315 projecting downward from the bottom of the grip body 311 and sleeved around the tube wall portion 142 of the sleeve cover 14, and a sleeve portion 315 formed thereon The second latch portion 316 of the first latch portion 143 is detachably latched. The second latching portion 316 has a second latching block 317 that protrudes radially inwardly from the bottom of the sleeve portion 315 at two angular intervals and respectively corresponds to the first latching block 144. It should be noted that the number of the first cards 144 of the first card portion 143 is not limited to two, and the number of the second card blocks 317 of the second card portion 316 is the same as the first number. The block 144 is not limited to two, and may be one, three, etc. in other variations of the embodiment.

The grip unit 3 and the base unit 1 are relatively rotatable. As shown in FIG. 4, the second latch portion 316 is opposite to the first latch portion 143 and is offset by the first latch portion 143. When the grip unit 3 and the base unit 1 are in a state of being jammed and cannot be separated, the grip unit 3 can be prevented from being loosened and moved when not in use, and the carrying can be conveniently carried. As shown in FIG. 5, when the second latching portion 316 is misaligned with the first latching portion 143 and is not engaged by the first latching portion 143, the grip unit 3 and the cartridge base unit 1 are not The state in which the card is separated and can be separated can perform subsequent inflation operations.

Referring to FIG. 6, when inflated, the end cap 32 is detached from the grip 31, and the flap portion 323 is opened and separated from the side cover portion 322, and then the inflation tube 41 is partially pulled up. The grip unit 3 is assembled, and a pumping needle 42 is taken out to fit the inflation tube 41 according to the inflation requirement, and then the side cover portion 322 of the end cap 32 is sleeved on the inflation tube 41 and the cover is closed downward. 31. The pumping needle 42 is then inserted into the inflator. Before the inflation is started, the grip unit 3 is first rotated about the center line 10 by an angle relative to the base unit 1, and the second latch portion 316 and the first latch portion 143 are as shown in FIG. The dislocations are separated from each other such that the grip unit 3 and the base unit 1 are in a relatively movable state. Referring to FIGS. 6 and 7, when inflating, the grip unit 3 is operated in conjunction with the center of the center line 10 to interlock the piston unit 2 with respect to the barrel unit 1 in a downward direction as shown in FIG. The first position of the base unit 1 and a second position as shown in FIG. 7 moving away from the base unit 1 are reciprocated so that gas can be compressed into the inflatable body via the inflatable unit 4 Internally, of course, the use of the base unit 1 can also be operated to reciprocate relative to the grip unit 3. When the inflation is completed, the above process can be performed in reverse order.

In summary, the design of the air pump of the present invention through the interior space of the grip unit 3 is provided with a dedicated space for accommodating the air in addition to the accommodating space 313 for accommodating the air tube 41. The assembly space 314 of the needle 42 can be integrated into the various gripping accessories and stored together in the grip unit 3, so that it is more convenient to store, carry and use, and can also avoid the trouble of loss. It can effectively solve the problems and defects faced by the conventional similar items in the standby and storage of the airing needles 42, and each of the assembly spaces 314 is only for one of the airing needles 42 to be positioned without shaking. When the pumping needle 42 does not have a collision, such as slip, rolling or mutual impact, it can provide excellent convenience and practical value, so the purpose of the present invention can be achieved.

However, the above is only an embodiment of the present invention, and when it is not possible to limit the scope of the present invention, any simple equivalent changes and modifications made in accordance with the scope of the present patent application and the contents of the patent specification are still It is within the scope of this new patent.

1‧‧‧Patient unit
10‧‧‧ center line
11‧‧‧Inflatable space
12‧‧‧Tucket
13‧‧‧ gas valve
14‧‧‧Capping
141‧‧ ‧ cap body
142‧‧‧ wall section
143‧‧‧ First card department
144‧‧‧ first block
2‧‧‧piston unit
21‧‧‧Piston Group
22‧‧‧Action rod
23‧‧‧ rod hole
3‧‧‧ grip unit
31‧‧‧ grip
311‧‧‧ grip body
312‧‧‧ next door
313‧‧‧Containing space
314‧‧‧ Assembly space
315‧‧‧ casing department
316‧‧‧Second Card Ministry
317‧‧‧Second block
32‧‧‧End cover
321‧‧‧ openings
322‧‧‧ Side cover
323‧‧‧ mouth cover
4‧‧‧Inflatable unit
41‧‧‧Inflatable tube
411‧‧‧Connector
412‧‧‧Receipt Department
42‧‧‧Inflating needle

BRIEF DESCRIPTION OF THE DRAWINGS Other features and advantages of the present invention will be apparent from the embodiments of the drawings, wherein: Figure 1 is a partial exploded perspective view of an embodiment of the present invention; Figure 3 is a partial cross-sectional side view of the embodiment viewed from another angle, illustrating a grip unit being moved to a first position relative to a hub unit, and the grip unit and the barrel Figure 4 is a cross-sectional view taken along line IV-IV of Figure 3, illustrating the state in which the grip unit and the base unit are in a state of being jammed and inseparable; 5 is a view similar to FIG. 4, illustrating the state in which the grip unit and the base unit are separated from each other; and FIG. 6 is a view similar to FIG. 3, illustrating the grip unit in the first position. And the grip unit and the base unit are in a state of being free from being jammed; and FIG. 7 is a view similar to FIG. 6, illustrating that the grip unit is moved to a second position relative to the base unit.

1‧‧‧Patient unit

10‧‧‧ center line

11‧‧‧Inflatable space

12‧‧‧Tucket

14‧‧‧Capping

141‧‧ ‧ cap body

142‧‧‧ wall section

312‧‧‧ next door

313‧‧‧Containing space

314‧‧‧ Assembly space

315‧‧‧ casing department

316‧‧‧Second Card Ministry

317‧‧‧Second block

32‧‧‧End cover

143‧‧‧ First card department

144‧‧‧ first block

2‧‧‧piston unit

21‧‧‧Piston Group

22‧‧‧Action rod

23‧‧‧ rod hole

3‧‧‧ grip unit

31‧‧‧ grip

311‧‧‧ grip body

321‧‧‧ openings

322‧‧‧ Side cover

323‧‧‧ mouth cover

4‧‧‧Inflatable unit

41‧‧‧Inflatable tube

411‧‧‧Connector

412‧‧‧Receipt Department

42‧‧‧Inflating needle

Claims (10)

An inflator comprising: a barrel unit defining an inflation space; a piston unit including a piston group movably disposed in the inflation space of the barrel unit, and a movably threaded a base unit coupled to the actuating rod of the piston set; a grip unit fixedly coupled to the piston unit, the actuating rod projecting from one end of the base unit and being movable along a centerline relative to the base The unit moves between a first position adjacent to the base unit and a second position away from the base unit, the grip unit defining a receiving space and at least one assembly space; and an inflating unit, including An actuating rod that communicates with the piston unit and is detachably received in the receiving space of the grip unit, and is the same as the at least one assembly space and can be taken out A pumping needle in the corresponding at least one assembly space. The pump of claim 1, wherein the grip unit includes a gripping rod fixedly coupled to the piston unit and the gripping space and the grip of the at least one assembly space, and one of which can be opened The ground correspondingly covers the end cover of the grip away from one end of the base unit. The inflator of claim 2, wherein the end cap of the grip unit has a side cover portion that is slidably disposed on the grip and is formed with an opening, and a cover portion that is openably a mouth cover portion of the opening of the side cover portion, the side cover portion is for covering the at least one assembly space, the opening communicating with the accommodation space for the inflation tube to protrude outward therefrom, the mouth cover The part is used to cover the housing space. The pump of claim 1, 2 or 3, wherein the actuating rod of the piston unit defines a rod center hole extending along the center line, the housing space of the grip unit along the center The wire extends and communicates with the hole in the rod, the inflation tube of the inflatable unit has a joint portion detachably mounted in the receiving space of the grip unit, and a connecting portion of the joint portion and movably extending The connecting portion of the hole in the rod of the actuating rod. The pump of claim 2, wherein the grip of the grip unit has a grip body that connects the actuating lever, and at least one partition wall portion formed in the grip body, the grip body and The at least one partition wall portion cooperates to define the receiving space, and the at least one assembly space, the height of the at least one partition wall portion is smaller than the height of the grip body, and the at least one partition wall portion is away from one end of the bracket unit The grip body is spaced apart from one end of the barrel unit, and the at least one pumping needle protrudes away from the one end of the barrel unit to the corresponding partition portion. The pump of claim 5, wherein the grip unit comprises a centrally located housing space, and four assembly spaces angularly spaced from each other and surrounding the housing space, each of the assembly The space is only for one of the pumping needles to be positioned without shaking. The pump of claim 6, wherein the base unit has a square elongated shape extending along the center line, the grip unit having a square short cylindrical shape, and the cross section of the grip unit The contour is identical to the contour of the cross section of the base unit. The pump of claim 2, wherein the base unit includes a socket for arranging the plenum, a valve disposed at one end of the cradle away from the grip unit, and a cover for the cartridge The sleeve is adjacent to one end of the grip unit and is provided for the actuating rod of the piston unit. The pump of claim 8, wherein the cap of the hub unit has a first latch portion, and the grip of the grip unit has a detachably latching portion of the first latch portion The second latching portion is in a state of being jammed and cannot be separated when the second latching portion is opposite to the first latching portion and is engaged by the first latching portion In a state in which the second latching portion is displaced from the first latching portion and is not caught by the first latching portion, the grip unit and the cartridge holder unit are in a state of being separated from each other without being jammed. The pump of claim 9, wherein the first latch portion of the cartridge cover has two angularly spaced first latches, and the second latch portion of the grip has two angular intervals and respectively The second block corresponding to the first card block.