TWM468575U - Inflator convenient to view pressure and release pressure - Google Patents

Description

Easy to watch the pressure and pressure relief pump

This creation mainly reveals an inflator, especially a pump whose pressure relief valve is arranged on a pressure gauge to facilitate viewing pressure and pressure relief.

Please refer to the patent application No. 540636 of the "Pumping valve with a pressure relief valve", which is an inflator. The pump includes a base, and the base is provided with an air passage, an outer tube and an inner tube. a piston tube, a pressure relief valve, a hose combined with a wind nozzle, and a pressure gauge, the outer tube is disposed on the base, the inner tube is disposed on the base, and is located in the outer tube, and the piston tube is coupled with a piston at one end. The other end is combined with a grip, the piston tube is movably disposed in the outer tube, and the inner tube is located in the piston tube, the pressure relief valve is disposed at the other end of the piston tube, and one end of the pressure relief valve is exposed, soft The tube is connected to the air passage of the base, and the pressure gauge is inserted into the base. When the operator wants to press the pressure relief valve, the operator's hand does not need to move the shift position, and only needs to extend the thumb to press the pressure relief valve located in the center of the grip, which can adjust the air to be inflated very quickly and efficiently. The gas pressure and the pressure gauge can be read while the pressure is being adjusted.

However, since the pressure relief valve of the above pump is disposed at the end of the piston tube having the grip, the user maintains the standing posture after the air pumping. The purpose of the above design is to allow the user to stand and inhale while being able to relieve pressure at any time. The action is to adjust the tire pressure, but because the pressure gauge is placed on the base in a way that is intrusive, the user must have very good vision to accurately read the value of the pressure gauge while standing, or the user must You can clearly see the values on the pressure gauge by taking a kneeling position.

Moreover, since the pressure relief valve is disposed at one end of the piston tube having the grip, the inflator must have an inner tube and an outer tube, so that two spaces are formed in the inflator, and the design structure is complicated and is not easy to assemble, so that The manufacturing cost of the gas cylinder is increased.

Then, the acquaintances in the technical field have developed a pump that can easily read the value of the pressure gauge. Please continue to refer to the patent application No. M441042 of the Chinese Patent Certificate No. M441042, which is a kind of patent. The air cylinder includes a base, an intake body, an outer tube, an inner tube and a pressure gauge. The base has a gas pipe and a gas nozzle, and one end of the air intake body is disposed at the base. The air cylinder body can perform the air pumping action, and the air pumped by the air intake cylinder can be outputted by the air nozzle through the air pipe, one end of the outer tube is connected to the base in the plumb direction, and the inner tube is inserted in the outer tube away from the base. In one end, the pressure gauge is connected to one end of the inner tube away from the base, so that the pressure gauge has a height away from the base, and the height can be adjusted with the user to facilitate reading the value.

However, even if the above two technologies are combined, it is not enough to overcome the problem that the structure of the pump is complicated and not easy to assemble.

In view of the above-mentioned lack of conventional structure, the present author is working to design an inflator that can easily view pressure and relieve pressure, which overcomes all of the disadvantages of the above-mentioned conventional structure.

The main purpose of the present invention is to provide a pump including a filling device and a pressure gauge. The filling device includes a base, a cylinder and a piston rod, and the base can The user is placed on the ground, one end of the cylinder is connected to the base, the piston rod is inserted into the cylinder from the end of the cylinder away from the base, the pressure gauge is arranged in the filling device, the pressure gauge is away from the base in the direction of the plumb bob, and the pressure gauge has a leak. The pressure valve and the pressure relief valve can be selectively opened or closed. Because the pressure relief valve is directly disposed on the pressure gauge, the user can conveniently perform the pressure relief operation while reading the pressure value of the pressure gauge to avoid excessive pressure relief. The pumping operation must be performed again, and the internal structure of the filling device can be simplified, the filling device can be easily processed and assembled, and the manufacturing cost of the pump can be effectively reduced.

The second purpose of this creation is to conveniently view the pressure and pressure relief pump. The second purpose is to provide a pressure gauge having a multi-pass tube, a measuring module and an air outlet tube. The multi-pass tube has an air inlet and a measuring unit. a port, a pressure relief port and an air outlet, the air inlet is connected to the air passage, the measuring module is connected to the measuring port, the pressure relief valve is connected to the pressure releasing port, and the air outlet pipe is connected to the air outlet, because the air pump has multiple connections The tube uses a multi-pass pipe to control the flow direction of the air in the pressure gauge, so that the pressure gauge can simultaneously achieve the functions of measurement, output and pressure relief, and at the same time, the multi-pass tube has a simple structure and convenient assembly, so that the pump can further reduce the manufacturing. cost.

Other objects, advantages and novelty of the present invention will become more apparent from the following detailed description.

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

Referring to FIG. 1 to FIG. 4 , a three-dimensional appearance, an exploded view and a cross-sectional structural view of the pump capable of conveniently viewing pressure and pressure relief are provided. The creation pump 10 includes a filling device 20 and a pressure gauge 30; wherein:

The filling device 20 includes a base 21, a cylinder 22 and a piston rod 23. The base 21 can be placed on the ground by a user. The base 21 is provided with a connecting passage 211, and one end of the cylinder 22 is connected thereto. a base 21, the cylinder 22 is provided with a sliding space 221 and an air passage 222 along the plumb direction. The sliding space 221 is parallel to the air passage 222, and the sliding space 221 and one end of the air passage 222 are respectively connected to the connecting passage. The two ends of the 211 are configured to communicate with the air passage 222 through the connecting passage 211. The outer ring of the cylinder 22 away from the base 21 is provided with a socket portion 223. A piston head 231 and a grip 232 are respectively formed at two ends of the piston rod 23, and the piston head 231 and the grip 232 are respectively located at one end of the piston rod 23 away from each other, and the piston rod 23 has the piston head 231 An end of the cylinder 22 away from the base 21 is inserted into the sliding space 221 to enable the piston rod 23 to slide relative to the cylinder 22. The piston rod 23 has one end of the grip 232 protruding from the sliding portion. Outside the shifting space 221, the grip 232 can be held by the user for gripping operation.

The pressure gauge 30 is provided in the filling device 20, and the pressure gauge 30 is away from the base 21 in the direction of the plumb. One end of the pressure gauge 30 has a socket ring 31 , and the socket ring 31 is sleeved on the socket portion 223 . The pressure gauge 30 has a multi-pass pipe 32, a measuring module 33, a pressure relief valve 34 and an air outlet pipe 35. The multi-pass pipe 32 has an air inlet 321, a measuring port 322, and a pressure relief. a port 323 and an air outlet 324, the multi-pass pipe 32 is T-shaped, the air inlet 321 is located on the same axis as the pressure release port 323, and the measuring port 322 and the air outlet 324 are located on the same axis, The air inlet 321 is connected to the air passage 222. The measuring module 33 is disposed above the multi-pass pipe 32 in the direction of the plumb bob. The measuring module 33 is connected to the measuring port 322, and the pressure reducing valve 34 is provided. The pressure relief valve 34 can be selectively opened or closed at an end of the pressure gauge 30 away from the filling device 20. The pressure relief valve 34 has a pressure button 341, which can be pressed by the user for discharge. In addition to the operation of the high-pressure gas, the pressure relief valve 34 is connected to the pressure relief port 323. The air outlet pipe 35 is disposed below the multi-pass pipe 32 in the plumb direction, and the air outlet pipe 35 is connected to the air outlet port 324. An extension portion 36 is further disposed between the sleeve ring 31 of the pressure gauge 30 and the measuring module 33. The two ends of the extension portion 36 are fixedly connected to the socket ring 31 and the measuring module 33, respectively. The measuring module 33 can be remote from the cylinder 22, so that the value of the pressure gauge 30 can be easily read, and the extending portion 36 has a solid block shape.

Please refer to FIG. 5 and FIG. 6 for the use state diagram and the inflated state action diagram of the inflator which can conveniently view the pressure and pressure relief. When the pump 10 is in use, the base 21 is placed on the ground and the air outlet pipe 35 is connected to the air nozzle of the bicycle tire, that is, the air blowing operation can be performed. The user can hold the grip 232 to operate the piston rod 23 for pumping. When the piston rod 23 moves downward in the plumb direction, the air in the sliding space 221 of the cylinder 22 can be squeezed toward the base 21. Pressing, the air enters the connecting passage 211 of the base 21, and the air flows through the connecting passage 211 and then flows to the air passage 222 in the cylinder 22, and the air enters the multi-pass pipe 32 through the air inlet 321 and the air The flow through the measuring port 322, the pressure releasing port 323 and the air outlet 324, so that air enters the measuring module 33, the pressure relief valve 34 and the air outlet pipe 35, and the measuring module 33 can The pressure of the air is measured, and the pressure relief valve 34 remains closed in the natural state to prevent the air from flowing out, and the air finally flows through the air outlet pipe 35 to the tire of the bicycle.

Since the pressure gauge 30 is away from the base 21 in the direction of the plumb bob, the value of the pressure gauge 30 can be easily read by the user, so as to pay attention to the tire pressure of the current tire at any time, so that the user can quickly and correctly replenish the tire to the proper condition. Tire pressure.

Please refer to FIG. 7 and FIG. 8 for the pressure relief state action diagram and the partial enlargement pressure relief state action diagram of the pump which can conveniently view the pressure and pressure relief. When the user excessively operates the piston rod 23 to cause the tire pressure in the bicycle tire to be too high, the user can press the push button 341 to deflate the pressure relief valve 34 to control the tire pressure of the bicycle tire. Since the pressure relief valve 34 is directly disposed on the pressure gauge 30, the user can conveniently perform the pressure relief operation while reading the pressure value of the pressure gauge 30, thereby avoiding excessive pressure relief and having to perform the airing operation again. At the same time, the internal structure of the filling device 20 can be simplified, and the filling device 20 can be easily processed and assembled, and the manufacturing cost of the inflator 10 can be effectively reduced.

Moreover, since the pressure gauge 30 is directly sleeved on the socket portion 223 of the cylinder 22, the connection strength of the pressure gauge 30 can be enhanced, and the pressure gauge is prevented from being operated when the user operates the pressure relief valve 34. 30 shaking, which makes reading the value difficult, while avoiding the pressure gauge 30 falling off, prolonging the service life of the pump 10. The two ends of the extending portion 36 are fixedly connected to the socket ring 31 and the measuring module 33 respectively, so that the connection strength of the pressure gauge 30 is strong, and the measuring module 33 can be away from the cylinder 22 even if The grip 232 is rotated by an angle, and the surface of the pressure gauge 30 is also not easily shielded for the user to conveniently read the value of the pressure gauge 30.

Further, since the pump 10 has the multi-pass pipe 32, the flow of the air in the pressure gauge 30 is controlled by the multi-pass pipe 32, so that the pressure gauge 30 can simultaneously achieve the functions of measurement, output, and pressure relief, and The multi-pass pipe 32 has a simple structure and is easy to assemble, so that the pump 10 can further reduce the manufacturing cost.

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

1. This is a pump that can easily view pressure and pressure relief. The pump includes a filling device and a pressure gauge. The filling device includes a base, a cylinder and a piston rod. The base can be used by the user. Placed on the ground, one end of the cylinder is connected to the base, the piston rod is inserted into the cylinder from the end of the cylinder away from the base, the pressure gauge is set in the filling device, the pressure gauge is away from the base in the direction of the plumb, and the pressure gauge has a pressure relief valve. The pressure relief valve can be selectively opened or closed. Because the pressure relief valve is directly disposed on the pressure gauge, the user can conveniently perform the pressure relief operation while reading the pressure value of the pressure gauge, thereby avoiding excessive pressure relief and must be again The action of pumping can also simplify the internal structure of the filling device, making the filling device simple to process and easy to assemble, and effectively reducing the manufacturing cost of the pump.

2. The pump is convenient for viewing pressure and pressure relief. The pressure gauge has a multi-pass pipe, a measuring module and an air outlet pipe. The multi-pass pipe has an air inlet, a measuring port and a pressure measuring tube. a pressure relief port and an air outlet, the air inlet is connected to the air passage, the measuring module is connected to the measuring port, the pressure relief valve is connected to the pressure releasing port, and the air outlet pipe is connected to the air outlet, because the air pump has a multi-pass tube, and utilizes The multi-pass tube controls the flow direction of the air in the pressure gauge, so that the pressure gauge can simultaneously achieve the functions of measurement, output and pressure relief, and at the same time, the multi-pass tube has a simple structure and convenient assembly, so that the pump can further reduce the manufacturing cost.

However, the above description is only for the preferred embodiment of the present invention, and the scope of the present invention may not be limited thereto, so that the numerical value is changed or the replacement of the equivalent elements, or the equivalent of the patent application scope of the present invention. Changes and modifications should remain within the scope of this new patent.

10‧‧‧Inflator
20‧‧‧ filling device
21‧‧‧Base
211‧‧‧Connected channel
22‧‧‧ cylinder
221‧‧‧Sliding space
222‧‧‧ airway
223‧‧‧ Sockets
23‧‧‧ piston rod
231‧‧‧ piston head
232‧‧‧ grip
30‧‧‧ Pressure gauge
31‧‧‧ Socket ring
32‧‧‧Multiple pipes
321‧‧‧air inlet
322‧‧‧Measurement port
323‧‧ ‧pressure relief
324‧‧‧ outlet
33‧‧‧Measurement module
34‧‧‧Relief valve
341‧‧‧ button
35‧‧‧Exhaust pipe
36‧‧‧Extension

Figure 1: This is a three-dimensional appearance of the pump that allows easy viewing of pressure and pressure relief. Figure 2: An exploded view of the pump that allows for easy viewing of pressure and pressure relief. Figure 3: An exploded perspective view of another view of the pump that allows for easy viewing of pressure and pressure relief. Figure 4: The cross-sectional structure of the pump for easy viewing of pressure and pressure relief. Figure 5: This is a state diagram of the use of the pump for easy viewing of pressure and pressure relief. Figure 6: This is an action diagram of the inflated state of the pump that can easily view the pressure and pressure relief. Figure 7: This is an action diagram of the pressure relief state of the pump that can easily view the pressure and pressure relief. Figure 8 is a partial enlarged view of the creation taken along Figure 7.

10‧‧‧Inflator

20‧‧‧ filling device

21‧‧‧Base

22‧‧‧ cylinder

232‧‧‧ grip

30‧‧‧ Pressure gauge

31‧‧‧ Socket ring

33‧‧‧Measurement module

34‧‧‧Relief valve

341‧‧‧ button

35‧‧‧Exhaust pipe

36‧‧‧Extension

Claims (8)

An air pump capable of conveniently viewing pressure and relieving pressure, comprising: a filling device comprising a base, a cylinder and a piston rod, the base being capable of being placed on the ground by a user, the cylinder One end is connected to the base, the piston rod is inserted into the cylinder from an end of the cylinder away from the base; a pressure gauge is disposed on the filling device, and the pressure gauge is away from the base in a plumb direction, The pressure gauge has a pressure relief valve that can be selectively opened or closed. The pump according to claim 1 is convenient for viewing pressure and pressure relief, wherein the filling device has an air passage, the pressure gauge has a multi-pass pipe, a measuring module and an air outlet pipe, and the multi-pass pipe The utility model has an air inlet, a measuring port, a pressure releasing port and an air outlet, wherein the air inlet is connected to the air channel, the measuring module is connected to the measuring port, and the pressure reducing valve is connected to the pressure releasing valve The outlet pipe is connected to the air outlet. The pump according to claim 2, wherein the multi-channel is in a T-shape, and the air inlet is located on the same axis as the pressure relief port, and the measuring port and the air outlet Located on the same axis. The pump for conveniently viewing pressure and pressure relief according to claim 2, wherein the measuring module is disposed above the multi-pass pipe in a plumb direction, and the pressure relief valve is disposed on the pressure gauge away from the filling At one end of the device, the gas outlet pipe is disposed below the multi-pass pipe in the direction of the plumb bob. The pump according to claim 2 is characterized in that the pressure and the pressure relief pump are conveniently viewed, wherein the base is provided with a connecting passage, the cylinder is provided with a sliding space along the plumb direction, and the air passage is disposed in the cylinder, the sliding The displacement space is arranged side by side with the air passage, and the sliding space and one end of the air passage are respectively connected to the two ends of the connecting passage, so that the sliding space communicates with the air passage through the connecting passage, and two ends of the piston rod respectively form a a piston head and a grip, the piston head and the grip are respectively located at one end of the piston rod away from each other, the piston rod having one end of the piston head inserted from the end of the cylinder away from the base into the sliding space The piston rod is slidable relative to the cylinder, the piston rod having one end of the grip protruding beyond the sliding space, the grip being capable of being gripped by a user. The pump according to claim 2 is characterized in that the pressure and the pressure relief pump are conveniently viewed, wherein the outer ring of the cylinder away from the base is provided with a socket portion, and one end of the pressure gauge has a sleeve ring, and the sleeve ring Nested in the socket. The air pump of the pressure gauge and the pressure-reducing module is further provided with an extension portion, and the two ends of the extension portion are respectively fixed. Connected to the socket ring and the measuring module. The pump according to claim 7 is convenient for viewing pressure and pressure relief, wherein the extension is in the form of a solid block.