TWM450726U - Pressure measurement structure with pressure relief valve - Google Patents

Description

Pressure measuring structure with pressure relief valve

The utility model relates to a pressure measuring structure with a pressure relief valve, in particular to a gas pumping device and an inflator, and can measure the pressure value of the gas to be inflated, and release the air from the body when the gas to be inflated reaches an appropriate pressure. In turn, the pressure measuring structure of the pressure relief valve is maintained in a state of stable inflation.

Generally, when a tire or other item of a bicycle such as a bicycle is waiting for an inflator, the air pumping device is usually connected to the air nozzle of the tire by a pipe body, and the air is directly injected into the tire by the air pumping device. Since the amount of air to be inflicted involves the elasticity of the tire, too much or too little is not suitable, and the pressure value cannot be known from the outside. Therefore, the user usually puts the hand on the nozzle after the air is exhausted by hand or with a pressure gauge. Observing the pressure value is not only troublesome but also inconvenient in operation, and excessive air pressure cannot be properly released, making it difficult to maintain a stable inflation state of the object to be inflated. In view of this, the applicant has continued to study and experiment, and he has improved a pressure measuring structure with a pressure relief valve, so that when the gas to be inflated is saturated, the air is released from the pressure relief hole, so that the gas to be inflated remains stable. The inflated state makes the inflation operation more convenient.

The main purpose of the present invention is to provide a pressure measuring structure with a pressure relief valve for connecting the air pumping device and the object to be inflated to form an inflation, and the pressure value can be observed by a pressure gauge to reach the pressure of the object to be inflated. In the case of the value, the air is released from the body, thereby maintaining the inflated state of the article to be inflated.

The pressure measuring structure with the pressure relief valve described above comprises a tubular body, a switch button with a check member and a pressure relief button, and a pressure gauge. Among them, the system is provided The inlet and outlet ports are provided with first, second and third passages between the inlet and outlet ports, and the first channel lock switch button, and the second channel locks the pressure release button, and the third channel lock Pressure gauge.充气 The air inlet is connected to the air inlet, and the air inlet is connected to the air to be inflated. When the switch button is opened, the air inflator is inflated by the air inlet, and the pressure value is observed by the pressure gauge to reach the inflated object. When the pressure value is appropriate, the pressure relief valve is opened to allow excess air to be released from the second passage of the body, thereby maintaining a stable inflation state of the product to be inflated.

The pressure measuring structure of the pressure relief valve, wherein the first, second and third passages of the body are respectively provided with threads at the ends for the checkers of the switch button and the pressure release button, And the pressure gauge is locked.

Please refer to the first and second figures at the same time, which is a perspective view and a cross-sectional view of the creation. As shown, the creation includes a tubular body 1, a switch button 2 and a pressure relief button 3, and a pressure gauge 4. The main body 1 is provided with an air inlet 11 and an air outlet 12, and a first passage 13, a second passage 14, and a third passage 15 are disposed between the inlet and outlet ports 11, 12, and the first passage 13 is provided. The ends of the second passage 14 and the third passage 15 are respectively provided with a thread; the switch knob 2 is locked to a check stopper 21, and the thread stop 22 is provided on the reverse stopper 21 for locking The end portion of the first passage 13 and the threaded portion 22 are provided with a spring pin 23; the pressure release button 3 is fixed to a backstop 31, and the thread stop 32 is provided on the backstop 31 for The end portion of the second passage 14 is locked, and the spring pin 33 is disposed on the screw portion 32. The pressure gauge 4 is provided with a body 41. The base body 41 is provided with a screw portion 42 for locking. At the end of the third passage 15, and at the screw portion 42 is provided with a spring The pin 43; by the combination of the foregoing members, constitutes a pressure measuring structure having a pressure relief valve. The air inlet 11 of the body 1 is connected to the inflator 5 (this embodiment is a gas cylinder), and the air inlet 12 is connected to the air to be inflated. When the switch button 2 is opened, the air inflator 5 inflates the air through the air outlet 12 And the pressure value is observed by the pressure gauge 4, when the to-be inflated reaches the appropriate pressure value, the pressure release button 3 is opened to release excess air from the second passage 14 of the body 1 to keep the inflated body stable. State, which in turn prevents over-inflation from causing damage to the item to be inflated.

Please refer to the third and third A drawings at the same time. As shown in the figure, when the present invention is used, the air inlet 11 of the body 1 is connected to the inflator 5, and the air inlet 12 is connected to the body to be inflated by the pipe body 6 and the joint 7, and the switch button 2 is in a normal state. And the pressure release button 3 is closed, the backstop 21 is blocked by the air outlet 12, and the backstop 31 is blocked by the second passage 14. When the switch button 2 is opened, the backstop 21 moves upwardly away from the air outlet 12, so that the air of the inflator 5 is inflated by the first passage 13, through the air outlet 12, and flows to the pressure via the third passage 15. Table 4, for the user to view the pressure value from the pressure gauge 4. Wherein, when the backstop 21 is opened, the positioning is formed by the spring pin 23.

Please refer to the fourth figure, which is a diagram of the pressure relief embodiment of this creation. As shown in the figure, when the object to be inflated reaches the set pressure value, the user can open the pressure release button 3 to disengage the check member 31 from the second passage 14, since the object to be inflated is saturated, therefore, The air will be released from the second passage 14 through the gap between the stop member 31 and the thread, thereby allowing the inflated body to maintain a stable inflation state to prevent over-inflation from causing damage to the object to be inflated. Wherein, when the backstop 31 is opened, the positioning is formed by the spring pin 33.

The foregoing embodiments are merely illustrative of preferred embodiments of the present invention and are not limiting. The scope of this creation, through some minor modifications and changes, still does not lose the essence of this creation, and does not deviate from the spiritual scope of this creation.

In summary, the creation of the tubular body and the switch button and the pressure relief button, together with the check member, constitutes a pressure measuring structure with a pressure relief valve for connecting the air pumping device and the gas to be inflated to form an inflation, and can be treated When the inflator is saturated, the air pressure is released to prevent the over-inflation from causing damage to the inflated object, thereby making the operation of the inflating easier and more convenient. For a practical design, it is a novelty creation. If you apply for a patent in accordance with the law, you will be punished by the Bureau of Public Information, and you will be granted a patent as soon as possible.

1‧‧‧ Ontology

11‧‧‧air inlet

12‧‧‧ air outlet

13‧‧‧First Passage

14‧‧‧second channel

15‧‧‧ third channel

2‧‧‧ switch button

21‧‧‧Backstop

22‧‧‧ threaded parts

23‧‧‧Spring pin

3‧‧‧Breaking button

31‧‧‧Backstop

32‧‧‧ threaded parts

33‧‧‧spring pin

4‧‧‧ pressure gauge

41‧‧‧ body

42‧‧‧ threaded parts

43‧‧ ‧spring pin

5‧‧‧Inflator

6‧‧‧pipe body

7‧‧‧Connectors

The first picture is a perspective view of the creation.

The second picture is a cross-sectional view of the creation.

The third and third A drawings are diagrams of the inflated embodiment of the present creation.

The fourth picture is a diagram of the pressure relief embodiment of the present creation.

1‧‧‧ Ontology

11‧‧‧air inlet

12‧‧‧ air outlet

13‧‧‧First Passage

14‧‧‧second channel

15‧‧‧ third channel

2‧‧‧ switch button

21‧‧‧Backstop

22‧‧‧ threaded parts

23‧‧‧Spring pin

3‧‧‧Breaking button

31‧‧‧Backstop

32‧‧‧ threaded parts

33‧‧‧spring pin

4‧‧‧ pressure gauge

41‧‧‧ body

42‧‧‧ threaded parts

43‧‧ ‧spring pin

5‧‧‧Inflator

Claims (3)

A pressure measuring structure with a pressure relief valve comprises: a body, which is tubular, has an air inlet and an air outlet, and has a first channel, a second channel and a third channel between the air inlet and the air outlet Threading is respectively provided at the ends of the first passage, the second passage and the third passage; the switch button is locked to a reverse stopper, and the reverse stopper is provided with a screw portion for locking The end of the first passage; the pressure relief button is locked to a check piece, and the reverse stop is provided with a screw portion for locking to the end of the second passage; the pressure gauge is provided with a body a screw portion is arranged on the seat body for locking to the end of the third passage; the air inlet of the body is connected to the air inlet device, and the air inlet is connected to the air to be inflated, and when the switch button is opened, the air is inflated. The device inflates the inflator through the air outlet, and observes the pressure value from the pressure gauge. When the inflated body reaches an appropriate pressure value, the pressure release button is opened to release excess air from the second passage of the body, thereby allowing the air to be inflated. The object maintains a stable inflation state. The pressure measuring structure of the pressure relief valve according to the first aspect of the invention, wherein the switch button is provided with a spring pin at the thread portion to constitute the position of the backstop. The pressure measuring structure with a pressure relief valve according to claim 1, wherein the pressure releasing button is provided with a spring pin at the screw portion to constitute the positioning of the backstop.