TWI534347B - A pump that can inflate the pressure at the same time - Google Patents

Description

Inflator capable of pumping while observing pressure values

The present invention mainly discloses an inflator, especially an inflator capable of pumping while observing a pressure value.

Please refer to the patent document "Inflator with Torque Pressure Gauge" in our Patent No. I411727, which is provided with a torsion member on the head of a pumping cylinder, and the torsion member is inclined to the head of the pumping cylinder to make the torsion The member can be switched between a retracted position in a straight line with the inflator and a deployed position at a right angle to the inflator. The torsion member is provided with a pressure gauge. When the torsion member is in its deployed position, the pressure gauge is located on the torsion member. On the inner side, facing the grip of the pump, the outer side of the torsion member is placed on the ground to form a floor-standing pump, and the pressure gauge is facing upward for easy viewing.

However, with the structure of the pump of the above structure, it is necessary to install a torsion member in addition to the head of the inflator, so that the volume of the inflator is increased, and the belt is not carried. At the same time, because the user has to operate the torsion member every time he inhales, the torsion member can be rotated until it is twisted to the proper position, which is quite troublesome.

In view of the above-described lack of conventional structure, the inventors have invented an inflator capable of pumping while observing a pressure value, which overcomes all of the disadvantages of the above-described conventional structure.

The main purpose of the present invention is to provide a pump comprising a filling device and a pressure detecting device, the filling device comprising an outer cylinder and a diverting seat, the outer cylinder The utility model comprises a first end and a second end different from the first end, wherein the outer cylinder body is provided with a sliding space, and the sliding space communicates with the first end and the second end of the outer cylinder, and the diverting seat is adjacent to The first end of the outer cylinder is provided with a first flow passage and a second flow passage. The flow distribution seat is provided with a communication tube in the second flow passage, and the communication tube is located in the sliding space and is outwardly facing the second cylinder. The direction of the end extends, the filling device comprises a piston rod and a piston head, the piston rod includes a first end and a second end different from the first end, and the piston rod is provided with an accommodating space. The space extends from the first end of the piston rod to the second end, and the first end of the piston rod is inserted into the sliding space by the second end of the outer cylinder, and the first end of the piston rod is sleeved outside the connecting tube So that the connecting pipe is at the same time The end of the accommodating space close to the second end of the piston rod is closed, and the piston rod is provided with an observation window between the first end and the second end, the piston head is disposed at the first end of the piston rod, and the piston head is synchronized with the piston rod The sliding portion of the outer cylinder is disposed in the sliding space, and the piston head is sleeved outside the connecting tube. The filling device further includes a nozzle joint and a grip, and the nozzle joint is disposed at the first end of the outer cylinder. The internal space of the nozzle joint communicates with the first flow passage and the second flow passage, the grip is disposed at the second end of the piston rod, the pressure detecting device is disposed in the accommodating space, and the pressure detecting device comprises a sliding member and an elastic member The sliding member is disposed on a side of the connecting tube away from the diverting seat, and the sliding member is free to slide relative to the piston rod in the accommodating space, and the outer surface of the sliding member is provided with a scale, and the observation window of the scale and the piston rod are mutually Correspondingly, the elastic member is disposed at an end of the sliding member away from the connecting tube, and the two ends of the elastic member respectively abut against the sliding member and the second end of the piston rod, and the user can observe the window during the pumping process of the pump Observe the scale of the slip and read Pressure value.

Other objects, advantages and novel features of the invention will become apparent from the description and appended claims.

10‧‧‧Inflator

20‧‧‧ filling device

21‧‧‧Outer cylinder

211‧‧‧ first end

212‧‧‧ second end

213‧‧‧Sliding space

214‧‧‧ collar

22‧‧‧Diversion seat

221‧‧‧First runner

222‧‧‧Second runner

223‧‧‧Check valve assembly

224‧‧‧Check valve

225‧‧‧Check valve seat

226‧‧‧Anti-loop

227‧‧‧Connected pipe

23‧‧‧ piston rod

231‧‧‧ first end

232‧‧‧ second end

233‧‧‧ accommodating space

234‧‧‧ observation window

235‧‧‧Perspective pieces

236‧‧‧stops

24‧‧‧ piston head

25‧‧‧Air nozzle joint

26‧‧‧ grip

30‧‧‧ Pressure detecting device

31‧‧‧Slipper

311‧‧‧ scale

32‧‧‧Flexible parts

90‧‧‧ gas nozzle

Fig. 1 is a perspective view showing the appearance of an inflator capable of pumping while observing a pressure value.

Fig. 2 is an exploded perspective view of the inflator capable of pumping while observing the pressure value.

Fig. 3 is an exploded perspective view showing another perspective of the inflator capable of pumping while observing the pressure value.

Fig. 4 is a cross-sectional structural view showing the pump capable of pumping while observing the pressure value.

Fig. 5 is a view showing the action of the pump for inflating while observing the pressure value according to the present invention.

Fig. 6 is a partial enlarged operation diagram of the pump ready for airing which can be inflated while observing the pressure value according to the present invention.

Fig. 7 is a view showing the action of the pump in the air pumping of the present invention capable of pumping while observing the pressure value.

Fig. 8 is a partial enlarged operation view of the splitter seat in the pumping of the pump which can be used for pumping and observing the pressure value.

Fig. 9 is a partial enlarged operation view of the pressure detecting device in the pumping of the pump capable of pumping and observing the pressure value.

Fig. 10 is a view showing the state of use of the pump for inhaling the air pump which can be inflated while observing the pressure value according to the present invention.

Fig. 11 is a partial enlarged use state diagram of the pump for inflating and simultaneously checking the pressure value of the present invention.

The technology, means and functions of the present invention are described in detail with reference to the accompanying drawings.

1 to 4, a perspective view, an exploded perspective view, and a cross-sectional structural view of a pump capable of pumping and simultaneously observing a pressure value according to the present invention. The pump 10 of the present invention comprises a filling device 20 and a pressure detecting device 30; wherein: the filling device 20 comprises an outer cylinder 21 and a diverting seat 22, the outer cylinder 21 including a first end 211 and a second end 212 different from the first end 211, the outer cylinder 21 has a hollow circular tubular shape, and the outer cylinder 21 is provided with a sliding space 213, and the sliding space 213 is connected to the outer portion. The first end 211 and the second end 212 of the cylinder 21 and the second end 212 of the outer cylinder 21 are provided with a collar 214.

The diverting seat 22 is disposed in the sliding space 213 of the outer cylinder 21, and the diverting seat 22 is adjacent to the first end 211 of the outer cylinder 21, and the diverting seat 22 is provided with a first flow path 221 and a first The second flow path 222 and the second flow path 222 respectively penetrate the two ends of the shunt seat 22 along the first end 211 of the outer cylinder 21 toward the second end 212.

The flow dividing seat 22 is provided with a check valve assembly 223 in the first flow path 221, and the check valve assembly 223 includes a check valve piece 224, a check valve seat 225 and a retaining ring 226. The valve plate 224, the check valve seat 225, and the retaining ring 226 are sequentially disposed in the first flow path 221 along the second end 212 of the outer cylinder 21 toward the first end 211, so that the slip The gas in the space 213 flows out of the first end 211 of the outer cylinder 21 via the first flow passage 221 in one direction. The branching block 22 is provided with a connecting pipe 227 in the second flow path 222. The connecting pipe 227 is located in the sliding space 213 and extends in the direction of the second end 212 of the outer cylinder 21.

The filling device 20 includes a piston rod 23 and a piston head 24. The piston rod 23 includes a first end 231 and a second end 232 different from the first end 231. The piston rod 23 is hollow. In the tubular shape, an accommodating space 233 is defined in the piston rod 23. The accommodating space 233 extends from the first end 231 of the piston rod 23 toward the second end 232. The first end 231 of the piston rod 23 passes through the collar 214 The second end 212 of the outer cylinder 21 is inserted into the sliding space 213, and the first end 231 of the piston rod 23 is sleeved outside the connecting tube 227, so that the connecting tube 227 is located at the same time. In space 233.

An observation window 234 is disposed between the first end 231 and the second end 232. The observation window 234 communicates with the accommodating space 233 and the outside. The distance from the observation window 234 to the front end of the piston head 24 is greater than The distance from the second end 212 of the outer cylinder 21 to the diverter seat 22, the piston rod 23 is further provided with a see-through member 235 in the observation window 234. The see-through member 235 closes the observation window 234, and the see-through member 235 is In the present embodiment, the observation window 234 of the piston rod 23 is in a transparent shape, and the observation window 234 of the piston rod 23 cannot enter the sliding space 213. The piston rod 23 is provided with a stopper 236 at the second end 232. The stopper 236 is disposed in the accommodating space 233 and adjacent to the second end 232 of the piston rod 23, so that the accommodating space 233 is adjacent to the arranging space 233. One end of the second end 232 of the piston rod 23 is closed.

The piston head 24 is disposed at the first end 231 of the piston rod 23, and the piston head 24 is disposed in the sliding space 213 in synchronism with the piston rod 23 relative to the outer cylinder 21, and the piston head 24 sets are disposed outside the communication tube 227.

The filling device 20 further includes a nozzle joint 25 and a grip 26. The nozzle joint 25 is disposed at the first end 211 of the outer cylinder 21, and the internal space of the nozzle joint 25 communicates with the first flow. Lane 221 and the second runner 222. The grip 26 is pivotally disposed at the second end 232 of the piston rod 23. The grip 26 is free to pivot relative to the piston rod 23 so that the grip 26 and the piston rod 23 can be arranged in a T-shape.

The pressure detecting device 30 is disposed in the accommodating space 233. The pressure detecting device 30 includes a sliding member 31 and an elastic member 32. The sliding member 31 is disposed at a distance of the connecting tube 227 away from the shunting seat 22. On the side, the sliding member 31 is freely slidable relative to the piston rod 23 in the accommodating space 233. The outer surface of the sliding member 31 is provided with a scale 311, and the scale 311 and the observation window of the piston rod 23 234 correspond to each other. The elastic member 32 is disposed at an end of the sliding member 31 away from the connecting tube 227, and the elastic member 32 The two ends are respectively abutted against the sliding member 31 and the stopper 236 of the second end 232 of the piston rod 23. The elastic member 32 is a compression spring in this embodiment.

Referring to FIG. 5 and FIG. 6 , an operation diagram of the pump which is capable of pumping and observing the pressure value and preparing for air pumping according to the present invention will be described. When the pump 10 is in use, the air nozzle joint 25 is first connected to the air nozzle 90 of the tire, and the grip 26 is operated to pull the piston rod 23 away, so that the piston rod 23 is away from the air nozzle joint 25, Air is introduced between the piston head 24 and the splitter seat 22.

Please refer to FIG. 7 to FIG. 9 again, which is an action diagram of the pump inflating in which the air pressure can be observed while observing the pressure value. After the grip 26 is pushed into the outer cylinder 21, the air is squeezed by the piston head 24, and the air in the accommodating space 233 is pushed toward the gas via the first flow passage 221. The nozzle joint 25 further allows air to flow into the air nozzle 90, and the air can flow into the accommodating space 233 via the second flow path 222. At this time, the high-pressure air squeezes the sliding member 31 to move, and the user can The observation window 234 observes the scale 311 of the slip member 31 and reads the pressure value.

Please refer to FIG. 10 and FIG. 11 for the use state of the pump which can be inflated while observing the pressure value and stopping the pumping. When the user stops pumping, the high-pressure air in the pump 10 cannot flow to the outside, so that the high-pressure air can continuously push the sliding member 31, and the pump 10 is maintained in the stopped state, so that the pump is inflated. The internal pressure of 10 is stable, and the user can now read the accurate pressure value. And because the pressure detecting device 30 is located in the piston rod 23, the volume of the pumping cylinder 10 is effectively reduced.

As far as the above is concerned, it can be concluded that the present invention has the following advantages:

1. The present invention is capable of pumping air while observing a pressure value, wherein the pump includes a filling device and a pressure detecting device. The filling device includes an outer cylinder and a diverting seat, and the outer cylinder includes a a first end and a second end different from the first end, the outer cylinder is provided with a sliding space, the sliding space is connected to the first end and the second end of the outer cylinder, the diverting seat is adjacent to the first end of the outer cylinder, the diverting seat is provided with a first flow passage and a second flow passage, and the diverting seat a communication tube is disposed in the second flow passage, the communication tube is located in the sliding space and extends toward the second end of the outer cylinder, the filling device comprises a piston rod and a piston head, the piston rod includes a first end and a second end different from the first end, the piston rod is provided with an accommodating space, and the accommodating space extends from the first end of the piston rod to the second end, and the first end of the piston rod is composed of the outer cylinder The second end of the piston rod is inserted in the sliding space, and the first end of the piston rod is sleeved outside the communication tube, so that the communication tube is simultaneously located in the accommodating space, and the end of the accommodating space close to the second end of the piston rod is closed, the piston rod An observation window is disposed between the first end and the second end, the piston head is disposed at the first end of the piston rod, and the piston head and the piston rod are synchronously arranged in the sliding space relative to the outer cylinder body, and the piston head is sleeved Outside the connecting pipe, the filling device also includes a gas a joint and a grip, the gas nozzle joint is disposed at the first end of the outer cylinder body, the inner space of the gas nozzle joint communicates with the first flow passage and the second flow passage, the grip is disposed at the second end of the piston rod, and the pressure detecting device is provided In the accommodating space, the pressure detecting device comprises a sliding member and an elastic member. The sliding member is disposed on a side of the connecting tube away from the diverting seat, and the sliding member is free to slide relative to the piston rod in the accommodating space. The outer surface of the sliding member is provided with a scale, the scale and the observation window of the piston rod correspond to each other, and the elastic member is disposed at an end of the sliding member away from the connecting tube, and the two ends of the elastic member respectively abut against the sliding member and the piston rod At the second end, during the pumping up, the user can observe the scale of the slip by the observation window and read the pressure value.

The above is only the preferred embodiment of the present invention, and the scope of the present invention is not limited thereto, so that the numerical value is changed or the equivalent element is replaced, or the equivalent of the scope of the patent application of the present invention. Changes and modifications are still within the scope of the invention patent.

10‧‧‧Inflator

20‧‧‧ filling device

21‧‧‧Outer cylinder

211‧‧‧ first end

212‧‧‧ second end

214‧‧‧ collar

23‧‧‧ piston rod

234‧‧‧ observation window

25‧‧‧Air nozzle joint

26‧‧‧ grip

30‧‧‧ Pressure detecting device

311‧‧‧ scale

Claims (10)

An air pump capable of pumping while observing a pressure value, comprising: a filling device comprising an outer cylinder and a diverting seat, the outer cylinder comprising a first end and a different a second end of the first end, the outer cylinder is provided with a sliding space, the sliding space is connected to the first end and the second end of the outer cylinder, and the diverting seat is adjacent to the outer cylinder One end of the diverter seat is provided with a first flow channel and a second flow channel, and the diverter seat is provided with a communication tube in the second flow channel, and the communication tube is located in the sliding space and toward the outer cylinder Extending in a direction of the second end, the filling device includes a piston rod and a piston head, the piston rod includes a first end and a second end different from the first end, the piston rod is disposed in the piston rod An accommodating space extending from a first end of the piston rod to a second end, wherein the first end of the piston rod is inserted into the sliding space by the second end of the outer cylinder, a first end of the piston rod is sleeved outside the communication tube, so that the communication tube is located at the same time In the accommodating space, the accommodating space is closed near an end of the second end of the piston rod, and the piston rod is provided with an observation window between the first end and the second end, and the distance from the observation window to the front end of the piston head is greater than a distance from the second end of the outer cylinder to the diverter seat, the piston head is disposed at the first end of the piston rod, and the piston head is disposed in the sliding space synchronously with the piston rod relative to the outer cylinder The piston head sleeve is disposed outside the communication tube, the filling device further includes a nozzle joint and a grip, the air nozzle joint is disposed at the first end of the outer cylinder body, and the inner space of the air nozzle joint is connected The first flow path and the second flow path are disposed at a second end of the piston rod; a pressure detecting device is disposed in the accommodating space, and the pressure detecting device includes a slip And a resilient member, the sliding member is disposed on a side of the connecting tube away from the diverting seat, the sliding member is free to slide relative to the piston rod in the accommodating space, and an outer surface of the sliding member is disposed Have one a scale corresponding to the observation window of the piston rod, the elastic member is disposed at an end of the sliding member away from the connecting tube, and the two ends of the elastic member respectively abut against the sliding member and the piston rod Second end. The pump of claim 1, wherein the gas in the sliding space flows out of the first end of the outer cylinder via the first flow path in one direction. An air pump capable of pumping while observing a pressure value according to claim 2, wherein the flow dividing seat is provided with a check valve assembly in the first flow passage, the check valve assembly including a check valve piece and a check valve The valve seat and a retaining ring, the check valve plate, the check valve seat and the retaining ring are sequentially disposed in the first flow path along the second end of the outer cylinder toward the first end. The pump of the present invention, wherein the observation window is connected to the accommodating space and the outside, the piston rod is further provided with a see-through member in the observation window, and the see-through member closes the observation. The window is transparent. The pump of claim 1, wherein the piston rod is provided with a stopper at the second end, and the stopper is disposed in the accommodating space and adjacent to the piston rod. At the two ends, the elastic member is away from the end of the sliding member against the stopper of the second end of the piston rod. The pump of claim 1, wherein the second end of the outer cylinder is provided with a collar, the first end of the piston rod is inserted through the collar and inserted into the slip Move in space. The pump of claim 1, wherein the grip is pivoted to the second end of the piston rod, the grip is free to pivot relative to the piston rod, and the grip is The piston rods can be arranged in a T-shape. The pump according to claim 1 , wherein the first flow channel and the second flow channel respectively penetrate the two ends of the shunt seat along the first end of the outer cylinder toward the second end. . The inflator capable of pumping while observing a pressure value as described in claim 1, wherein the diverting seat is disposed in a sliding space of the outer cylinder. The pump according to claim 1 is capable of pumping while observing a pressure value, wherein the outer cylinder has a hollow circular tube shape, and the piston rod has a hollow circular tube shape.