CN214787861U

CN214787861U - Air exhaust and pressure relief device for air pump

Info

Publication number: CN214787861U
Application number: CN202121043476.5U
Authority: CN
Inventors: 张春丽; 胡渊; 刘素艳
Original assignee: Zhongtian Tianjin Architectural Decoration Engineering Co ltd
Current assignee: Zhongtian Tianjin Architectural Decoration Engineering Co ltd
Priority date: 2021-05-17
Filing date: 2021-05-17
Publication date: 2021-11-19
Anticipated expiration: 2031-05-17

Abstract

The utility model relates to the technical field of an exhaust and pressure relief device of an air pump, in particular to an exhaust and pressure relief device for an air pump, which comprises a bottom plate, an air pump arranged on the top surface of the bottom plate, an exhaust mechanism, a vibration damping mechanism and a hose, wherein the exhaust mechanism comprises an exhaust box, a piston, a flow limiting valve and a round ball, the exhaust box is arranged on the top surface of the bottom plate, one side of the exhaust box is provided with a motor, an output shaft of the motor penetrates through one side of the exhaust box, one end of the output shaft of the motor is connected with a flywheel, one side of the flywheel is provided with a limit post, through the arrangement of the exhaust mechanism, when the piston moves to a peak, a push block pushes out the round ball clamped at an air inlet, the gas inside flows to the inside of the exhaust box through the hose, when the piston moves downwards, the round ball is clamped at the air inlet under the action of gravity, at the moment, the release of the internal air pressure of the air pump is not easy to damage, compared with a rubber valve block in the prior art, convenient replacement and low cost.

Description

Air exhaust and pressure relief device for air pump

Technical Field

The utility model belongs to the technical field of the pressure relief device that exhausts of air pump, concretely relates to pressure relief device that exhausts for air pump.

Background

An air pump, i.e., an "air pump," is a device that removes air from a closed space or adds air from a closed space, and is mainly divided into an electric air pump, a manual air pump, and a foot-operated air pump. The electric air pump is mainly used for inflating, sewage treatment, electroplating and air blowing, methane tank aeration, tunnel ventilation and the like, and is generally in various types, but an exhaust valve inside the electric air pump adopts a mode of exhausting holes and adding membranes, such as a rubber valve plate and the like.

However, the rubber valve plate of the existing air pump is easy to age in the using process, so that the air pressure in the air pump cannot be normally released, the hidden danger of air pump explosion exists, and the time and labor are wasted when the valve plate is frequently replaced.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an exhaust pressure relief device for air pump comes into operation to propose the air pump in solving above-mentioned background art and ageing the problem that needs often change easily at use rubber valve block.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides an exhaust pressure relief device for air pump, includes the bottom plate and sets up air pump, exhaust mechanism, damping mechanism and the hose at the bottom plate top surface, exhaust mechanism includes exhaust box, piston, restriction valve and ball, the top surface at the bottom plate is installed to the exhaust box, the motor is installed to one side of exhaust box just the output shaft of motor runs through one side of exhaust box, the one end of motor output shaft is connected with the flywheel, spacing post is installed to one side of flywheel, the surface connection of spacing post has the rotary rod, the top of rotary rod is connected with the piston, the ejector pad is installed to the top surface of piston, restriction valve is installed to the top surface of exhaust box, restriction valve's inside is equipped with the ball, the exhaust hole has been seted up to one side of exhaust box, the inlet port has been seted up at the top of exhaust box.

Preferably, the periphery of the piston is connected with a sealing rubber ring, and the surface of the sealing rubber ring is in contact with the inner wall of the exhaust box.

Preferably, the axis of rotation is all installed to the both sides of rotary rod, the activity hole has been seted up to the bottom surface of piston, the rotary rod passes through the axis of rotation and installs the inside in activity hole on the piston.

Preferably, damping mechanism includes support frame, circular arc board and pressure spring, the top surface at the bottom plate is installed to the support frame, first sliding tray has all been seted up to the both sides of support frame inner wall, the bolt is all installed to the both sides of circular arc board, the circular arc board passes through the inside of bolt installation first sliding tray on the support frame, the second sliding tray has been seted up to the bottom of support frame inner wall, install the slide bar between the both sides of the inner wall of second sliding tray, pressure spring and sliding block have been cup jointed on the surface of slide bar, one side of second sliding tray inner wall is connected to the one end of pressure spring, just one side of sliding block is connected to the other end of pressure spring, the bracing piece is installed at the top of sliding block, the bottom surface with the circular arc board is connected on the top of bracing piece.

Preferably, the air pump and the flow limiting valve are connected through a hose, and two ends of the hose respectively penetrate through the top of the air pump and the top of the flow limiting valve.

Preferably, the air inlet hole is communicated with the inside of the flow limiting valve and the inside of the exhaust box; the length of the exhaust hole from the top of the exhaust box is greater than the thickness of the piston; the air pump has been placed to the top surface of circular arc board, the top surface of circular arc board and the air pump surface laminating mutually.

The utility model discloses a technological effect and advantage: this exhaust pressure relief device of air pump is through setting up exhaust mechanism, and when the piston moved to the summit, the ejector pad will be blocked the ball in inlet port department ejecting, and inside gas passes through the inside of hose flow direction exhaust box, and when the piston down-motion, the ball blocked the inlet port under the effect of gravity again, has just accomplished the release of the inside atmospheric pressure of air pump this moment, and this device is not fragile for the rubber valve block among the prior art, and it is convenient to change, low in cost.

Drawings

Fig. 1 is a schematic perspective view of the present invention;

FIG. 2 is a schematic sectional view of the front view of the present invention;

FIG. 3 is a schematic view of the connection relationship between the flywheel and the rotary rod of the present invention;

FIG. 4 is a schematic view of the internal structure of the damping mechanism of the present invention;

fig. 5 is a schematic view of the bottom structure of the piston according to the present invention.

In the figure: 1. a base plate; 110. an air pump; 2. an exhaust mechanism; 210. an exhaust box; 220. a motor; 230. a flywheel; 240. a limiting column; 250. rotating the rod; 260. a piston; 270. a push block; 280. a flow-limiting valve; 290. a ball; 211. an exhaust hole; 212. an air inlet; 213. sealing the rubber ring; 214. a rotating shaft; 215. a movable hole; 3. a vibration reduction mechanism; 310. a support frame; 320. a circular arc plate; 330. a first sliding groove; 340. a bolt; 350. a second sliding groove; 360. a slide bar; 370. a pressure spring; 380. a slider; 390. a support bar; 4. a hose.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

The utility model provides an exhaust pressure relief device for air pump as shown in figures 1-5, including bottom plate 1 and air pump 110, exhaust mechanism 2, damping mechanism 3 and the hose 4 of setting at bottom plate 1 top surface, exhaust mechanism 2 includes exhaust box 210, piston 260, restriction valve 280 and ball 290, exhaust box 210 installs at the top surface of bottom plate 1, motor 220 is installed to one side of exhaust box 210 and the output shaft of motor 220 runs through one side of exhaust box 210, one end of the output shaft of motor 220 is connected with flywheel 230, spacing post 240 is installed to one side of flywheel 230, the surface of spacing post 240 is connected with rotary rod 250, the top of rotary rod 250 is connected with piston 260, ejector block 270 is installed to the top surface of piston 260, restriction valve 280 is installed to the top surface of exhaust box 210, the inside of restriction valve 280 is equipped with ball 290, an air outlet hole 211 is formed in one side of the air outlet box 210, an air inlet hole 212 is formed in the top of the air outlet box 210, the motor 220 starts to work and drives the flywheel 230 to rotate by turning on a control switch of the motor 220, when the flywheel 230 rotates, the piston 260 starts to reciprocate up and down under the action of the rotating rod 250, when the piston 260 moves to the top point, the pushing block 270 pushes out the round ball 290 clamped at the air inlet hole 212, air in the air pump 110 flows into the air outlet box 210 through the hose 4, when the piston 260 moves downwards, the round ball 290 is clamped at the air inlet hole 212 under the action of gravity, at the moment, the release of the air pressure in the air pump 110 is completed, and when the piston 260 continues to move downwards, until the piston 260 moves to the position right below the air outlet hole 211, the air pressure at the top of the air outlet box 210 is released through the air outlet hole 211.

Specifically, the periphery of the piston 260 is connected with a sealing rubber ring 213, and the surface of the sealing rubber ring 213 is in contact with the inner wall of the exhaust box 210 to prevent the piston 260 from falling off.

Specifically, the rotating shafts 214 are respectively installed on two sides of the rotating rod 250, the bottom surface of the piston 260 is provided with the movable hole 215, and the rotating rod 250 is installed inside the movable hole 215 on the piston 260 through the rotating shafts 214, so that the rotating rod 250 can rotate on the bottom surface of the piston 260.

Specifically, the vibration reduction mechanism 3 comprises a support frame 310, an arc plate 320 and a pressure spring 370, the supporting frame 310 is installed on the top surface of the bottom plate 1, the two sides of the inner wall of the supporting frame 310 are both provided with a first sliding groove 330, the bolts 340 are respectively installed at both sides of the arc plate 320, the arc plate 320 is installed inside the first sliding groove 330 of the supporting frame 310 through the bolts 340, a second sliding groove 350 is formed at the bottom of the inner wall of the supporting frame 310, a sliding rod 360 is installed between two sides of the inner wall of the second sliding groove 350, the surface of the sliding rod 360 is sleeved with a pressure spring 370 and a sliding block 380, one end of the pressure spring 370 is connected with one side of the inner wall of the second sliding groove 350, the other end of the pressure spring 370 is connected with one side of a sliding block 380, a supporting rod 390 is installed on the top of the sliding block 380, the top end of the support rod 390 is connected to the bottom surface of the arc plate 320, so that damage to the device caused by vibration of the air pump 110 is reduced.

Specifically, the air pump 110 and the flow limiting valve 280 are connected through a hose 4, and two ends of the hose 4 respectively penetrate through the top of the air pump 110 and the top of the flow limiting valve 280 to communicate the air pump 110 and the interior of the exhaust box 210.

Specifically, the intake hole 212 communicates the interior of the flow restriction valve 280 with the interior of the exhaust case 210; the length of the exhaust hole 211 from the top of the exhaust box 210 is greater than the thickness of the piston 260, so that other air is prevented from entering the air pump 110; air pump 110 has been placed to the top surface of circular arc board 320, the top surface of circular arc board 320 and the laminating of air pump 110's surface mutually.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.

Claims

1. The utility model provides an exhaust pressure relief device for air pump, includes bottom plate (1) and sets up air pump (110), exhaust mechanism (2), damping mechanism (3) and hose (4) at bottom plate (1) top surface, exhaust mechanism (2) are including exhaust case (210), piston (260), restriction valve (280) and ball (290), the top surface at bottom plate (1) is installed to exhaust case (210), motor (220) and just are installed to one side of exhaust case (210) the output shaft of motor (220) runs through one side of exhaust case (210), the one end of motor (220) output shaft is connected with flywheel (230), spacing post (240) are installed to one side of flywheel (230), the surface connection of spacing post (240) has rotary rod (250), the top of rotary rod (250) is connected with piston (260), ejector pad (270) is installed to the top surface of piston (260), the top surface of the exhaust box (210) is provided with a flow limiting valve (280), a round ball (290) is arranged inside the flow limiting valve (280), one side of the exhaust box (210) is provided with an exhaust hole (211), and the top of the exhaust box (210) is provided with an air inlet hole (212).

2. The air pump as claimed in claim 1, wherein: all be connected with sealing rubber ring (213) around piston (260), the surface of sealing rubber ring (213) contacts with the inner wall of exhaust case (210).

3. The air pump as claimed in claim 1, wherein: the rotating shafts (214) are installed on two sides of the rotating rod (250), the movable holes (215) are formed in the bottom surface of the piston (260), and the rotating rod (250) is installed inside the movable holes (215) in the piston (260) through the rotating shafts (214).

4. The air pump as claimed in claim 1, wherein: the damping mechanism (3) comprises a support frame (310), an arc plate (320) and a pressure spring (370), the support frame (310) is installed on the top surface of the base plate (1), first sliding grooves (330) are formed in the two sides of the inner wall of the support frame (310), a bolt (340) is installed on the two sides of the arc plate (320), the arc plate (320) is installed inside the first sliding grooves (330) on the support frame (310) through the bolt (340), a second sliding groove (350) is formed in the bottom of the inner wall of the support frame (310), a sliding rod (360) is installed between the two sides of the inner wall of the second sliding groove (350), the surface of the sliding rod (360) is sleeved with the pressure spring (370) and the sliding block (380), one end of the pressure spring (370) is connected with one side of the inner wall of the second sliding groove (350), and the other end of the pressure spring (370) is connected with one side of the sliding block (380), the top of sliding block (380) is installed bracing piece (390), the bottom surface with circular arc board (320) is connected on the top of bracing piece (390).

5. The air pump as claimed in claim 1, wherein: the air pump (110) and the flow limiting valve (280) are connected through a hose (4), and two ends of the hose (4) penetrate through the top of the air pump (110) and the top of the flow limiting valve (280) respectively.

6. An air pump venting and pressure relief device according to claim 4, wherein: the air inlet hole (212) is communicated with the inside of the flow limiting valve (280) and the inside of the exhaust box (210); the length of the exhaust hole (211) from the top of the exhaust box (210) is greater than the thickness of the piston (260); air pump (110) have been placed to the top surface of circular arc board (320), the top surface of circular arc board (320) is laminated with the surface of air pump (110) mutually.