CN211448964U - Air compressor machine subassembly that admits air - Google Patents

Air compressor machine subassembly that admits air Download PDF

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Publication number
CN211448964U
CN211448964U CN201922095101.2U CN201922095101U CN211448964U CN 211448964 U CN211448964 U CN 211448964U CN 201922095101 U CN201922095101 U CN 201922095101U CN 211448964 U CN211448964 U CN 211448964U
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air inlet
air
valve plate
connecting piece
inlet valve
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CN201922095101.2U
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Chinese (zh)
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吴银波
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Suzhou Trainscrew Compressor Co ltd
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Suzhou Trainscrew Compressor Co ltd
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Abstract

The utility model relates to an air compressor machine subassembly that admits air, it is including the connecting piece that is used for connecting the air compressor machine valve plate, wear the control of admitting air in the connecting piece and to admit air control and connecting piece location and sealed end circle, the connecting piece is the hollow tube form spare, the control of admitting air is established in the cavity of connecting piece, the control of admitting air includes the intake pipe, admit air valve block and fastener, certain clearance has between the outer wall of intake pipe and the inner wall of connecting piece, the upper end of intake pipe is equipped with the air inlet, the inside cavity that is of intake pipe, its bottom seals, be equipped with a plurality of inlet ports on the lateral wall of intake pipe, all be equipped with the intake valve block in every inlet port department, the one end and the body of intake valve block pass through fastener fixed connection, the inlet port can. The utility model discloses an air compressor machine subassembly of admitting air can eliminate the noise when the valve block of admitting air closes, can prolong the life of valve block of admitting air again.

Description

Air compressor machine subassembly that admits air
Technical Field
The utility model relates to an air compressor machine accessory field, concretely relates to air compressor machine subassembly that admits air.
Background
An air compressor is a device for compressing gas. The reciprocating piston type air compressor is characterized in that air is fed from an air inlet through reciprocating motion of a piston, then the air is compressed, the compressed air is discharged from an air outlet, valve plates in an air inlet channel are in an open state and valve plates in an air outlet channel are in a closed state in the air feeding process, the two valve plates are in the closed state in the air compression process, and the valve plates of the air outlet channel are opened and the valve plates of the air inlet channel are closed in the air discharging process.
In the prior art, an air inlet and an air inlet valve plate are usually arranged on a valve plate of an air compressor, and some air inlet assemblies are arranged on the valve plate of the air compressor and fixed at the air inlet assembly interface. The common disadvantage of the two schemes is that in the closing process of the air inlet valve plate, the air inlet valve plate is closed towards the air inlet hole by combining the bending elastic force of the valve plate under the action of air flow, the valve plate is stressed greatly, the closing speed of the valve plate is high, the valve plate can collide with the position around the air inlet hole, noise is generated, the valve plate is easy to damage, the service life is shortened, and therefore the air inlet valve plate needs to be improved.
SUMMERY OF THE UTILITY MODEL
The utility model aims at: to the noise that produces when the valve block that admits air among the prior art is closed, the valve block that admits air damages easily moreover, problem that life is short provides the air compressor machine subassembly that admits air that can solve aforementioned problem.
In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: air compressor machine subassembly of admitting air, its structural feature is: the air inlet control part comprises an air inlet pipe, an air inlet valve plate and a fastener, the air inlet control part penetrates through the connecting part, an end ring for positioning and sealing the air inlet control part and the connecting part, the connecting part is a hollow tubular part, the air inlet control part is arranged in a cavity of the connecting part, the air inlet control part comprises an air inlet pipe, the air inlet valve plate and the fastener, a certain gap is formed between the outer wall of the air inlet pipe and the inner wall of the connecting part, an air inlet is arranged at the upper end of the air inlet pipe, the interior of the air inlet pipe is a cavity, the bottom of the air inlet pipe is closed, a plurality of air inlet holes are formed in the side wall of the air inlet pipe, the air inlet valve plate is arranged at each air inlet hole, one end of the air inlet valve plate is fixedly connected with the pipe body through the fastener, the other end of the air inlet valve plate, then the air suction process is realized by penetrating the valve plate into the cylinder body, a plurality of blind holes are arranged on the outer wall of the pipe body near the air inlet hole, the blind holes are positioned in the coverage range of the air inlet valve plate, when the air inlet valve plate is closed, the blind holes play a role in damping and buffering, and the collision between the air inlet valve plate and the outer wall of the air inlet control part is avoided.
The intake pipe include body and spacing ring, body and spacing ring integrated into one piece, the spacing ring setting is at the top of body, the external diameter of spacing ring is greater than the internal diameter of connecting piece, is less than or equal to the external diameter of connecting piece, the end collar is connected the back with the connecting piece, the end collar is tight with the upper end top of spacing ring and connecting piece, the realization is to the location and the sealing of intake pipe and connecting piece, the body is the prismatic body of polygon, all is equipped with the inlet port on each prismatic face of body.
The further proposal is that the air inlet hole is a long round hole, and the blind hole is arranged below, above, at the left side part or at the right side part of the air inlet hole.
The further proposal is that the upper part of the air inlet valve plate is fixedly connected with the pipe body through two fasteners.
The further proposal is that the shape of the inner hole of the connecting piece is the same as the shape of the outer wall surface of the pipe body, and the inner hole and the outer wall surface of the pipe body are both polygonal prisms with the same number of prism surfaces.
The air inlet valve plate comprises an upper fixing portion and a lower opening and closing portion, the fixing portion and the opening and closing portion are respectively narrow in size than the fixing portion and the opening and closing portion, the neck is arranged above the air inlet, and the fixing portion is fixedly connected with the air inlet control piece through a fastening piece.
The further scheme is that a limiting fixing plate is arranged on the outer side of the fixing portion of the air inlet valve plate, the lower end of the limiting fixing plate extends to the lower portion of the neck of the air inlet valve plate, and the opening angle of the air inlet valve plate is limited by the limiting fixing plate.
The further proposal is that the upper part of the connecting piece is provided with an external thread section, and the end ring is fixedly connected with the connecting piece through the external thread section.
The utility model discloses has positive effect: the air inlet component of the air compressor of the utility model is connected with the valve plate through the connecting piece, and the opening and closing of the air inlet hole are controlled by the air inlet control piece, so that the distribution space of the air outlet hole on the surface of the valve plate and the air outlet valve piece is larger and the distribution is more reasonable; the blind holes are formed near the air inlet hole, when the air inlet valve block is closed towards the valve plate quickly under the action of air pressure, the air inlet valve block drives airflow to rush towards the air inlet pipe, the airflow rebounds when reaching the blind holes near the air inlet hole, resistance acting on the air inlet valve block is generated, buffer force is formed on the air inlet valve block, impact of the air inlet valve block and the air inlet pipe is avoided, noise can be eliminated, and the service life of the air inlet valve block can be prolonged.
Drawings
Fig. 1 is a schematic sectional structure view of an air inlet assembly of an air compressor according to the present invention;
FIG. 2 is a schematic structural view of an intake control member;
FIG. 3 is a schematic structural view of an intake pipe;
the air inlet valve comprises a connecting piece 1, an external thread section 11, an air inlet control piece 2, an air inlet pipe 21, a pipe body 211, a limiting ring 212, an air inlet valve plate 22, a fixing part 221, an opening and closing part 222, a neck 223, a fastening piece 23, an air inlet hole 24, a blind hole 25, a limiting fixing plate 26 and an end ring 3.
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.
Example 1
As shown in fig. 1 to 3, the air compressor intake assembly of the present embodiment includes a connecting member 1, an intake control member 2, and an end ring 3.
The connecting piece 1 is a hollow tubular piece, the upper part and the lower part of the connecting piece 1 are both provided with external thread sections 11, the external thread sections 11 at the lower part of the connecting piece 1 are used for connecting a valve plate of the air compressor, and the external thread sections 11 at the upper part of the connecting piece 1 are used for connecting the end ring 3.
The intake control member 2 includes an intake pipe 21, an intake valve sheet 22, and a fastening member 23.
Intake pipe 21 includes body 211 and spacing ring 212, body 211 and spacing ring 212 integrated into one piece, the upper end at intake pipe 21 is established to spacing ring 212, the external diameter of this spacing ring 212 is greater than the internal diameter of connecting piece 1, be less than the external diameter of connecting piece 1, body 211 is established in the cavity of connecting piece 1, certain clearance has between the outer wall of body 211 and the inner wall of connecting piece 1, body 211 upper end is equipped with the air inlet, inside is the cavity, the bottom is sealed, be equipped with a plurality of inlet ports 24 on the lateral wall of body 211, this inlet port 24 is used for the admitting air of air compressor machine.
The air inlet valve sheet 22 comprises an upper fixing part 221 and a lower opening and closing part 222, a neck part 223 which is narrower than the fixing part 221 and the opening and closing part 222 is arranged between the fixing part 221 and the opening and closing part 222, the neck part 223 is arranged above the air inlet hole 24, and the fixing part 221 is fixedly connected with the air inlet control part 2 through a fastening piece. An air inlet valve plate 22 is arranged at each air inlet hole 24 of the air inlet pipe 21, the upper end part of the air inlet valve plate 22 is fixedly connected with the pipe body 211 through a fastening piece, and the part of the air inlet valve plate 22 below the neck part 223 can move away from the air inlet hole 24 or move towards the air inlet hole 24, so that the air inlet valve plate 22 is separated from or closed on the air inlet hole 24.
The end ring 3 comprises a limiting part for limiting the limiting ring 212 of the air inlet pipe 21 and a connecting part connected with the connecting piece 1, the limiting part and the connecting part are integrally formed, the end ring 3 is connected with the connecting piece 1 through threads, the limiting ring 212 of the air inlet pipe 21 and the connecting piece 1 can be tightly pressed and limited, and the limiting ring 212 and the upper end face of the connecting piece 1 are sealed. In order to enhance the sealing effect, a sealing ring can be arranged at the end face of the top end of the limiting ring 212 and the connecting piece 1, or a sealing ring is arranged between the end ring 3 and the limiting ring 212, so that compressed gas in the cylinder body is prevented from being scattered outside through a gap between the end ring and the limiting ring, and the working efficiency of the air compressor is improved.
When the air inlet valve plate 22 is separated from the air inlet hole 24, air entering from an air inlet reaches a gap between the tube body 211 and the inner wall of the connecting piece 1 through a gap between the air inlet hole 24 and the air inlet valve plate 22, then the air can pass through the valve plate and enter the cylinder body to realize an air suction process, a plurality of blind holes 25 are arranged on the outer wall of the tube body 211 and near the air inlet hole 23, the blind holes 25 are positioned in the coverage range of the air inlet valve plate 11, and when the air inlet valve plate 22 is closed, the blind holes 25 play a role in damping and buffering to avoid collision between the air inlet valve plate 22 and the.
Example 2
On the basis of embodiment 1, the air inlet hole 24 is a vertically arranged long circular hole, and the blind hole 25 is arranged below, above, at the left side or at the right side of the air inlet hole 24, because after the air inlet valve plate 22 is opened, the opening angle of one end of the air inlet valve plate 22, which is far away from the connection part of the air inlet valve plate 22 and the pipe body 211, is the largest, in the closing process of the air inlet valve plate 22, the closing speed of the part is the fastest, and in order to enhance the damping and buffering effect, more blind holes 25 should be arranged near the air inlet hole 24 and near the lower end of the air inlet valve plate.
Example 3
On the basis of embodiment 1, in order to prevent the deviation of the intake valve plate 22 from affecting the tightness of the matching between the intake valve plate 22 and the intake hole 24, the intake valve plate 22 is fixedly connected with the pipe body 211 through two fasteners 23.
Example 4
On the basis of embodiment 1, in order to facilitate circumferential positioning of the air inlet pipe 21, the shape of the inner hole of the connecting piece 1 is the same as the shape of the outer wall surface of the pipe body, and the inner hole and the outer wall surface are both polygonal prisms, for example, the pipe body shown in fig. 1 to 3 is a heptagonal prism.
Example 5
On the basis of embodiment 1, in order to limit the opening angle of the intake valve plate 22, a limiting fixing plate 26 is disposed outside the fixing portion of the intake valve plate 22, the lower end of the limiting fixing plate 26 extends to the lower portion of the neck 223 of the intake valve plate, and the opening angle of the intake valve plate 22 is limited by the limiting fixing plate 26.
The utility model discloses an air compressor machine subassembly that admits air, the assembly is on the valve plate of air compressor machine when using, when breathing in, the piston removes, form the negative pressure in the cylinder body, under the atmospheric pressure effect, air inlet valve block 22 is opened, the air gets into in the cylinder body from inlet port 24, after breathing in, the piston removes, make the gas compression in the cylinder body, air inlet valve block 22 is closed fast under atmospheric pressure effect, in closed process, air inlet valve block 22 drives the air current and dashes to intake pipe 21, the air current takes place the bounce-back when reacing near blind hole 25 of inlet port, produce the resistance that acts on air inlet valve block 22, form the buffer power to air inlet valve block 22, the striking of air inlet valve block 22 with intake pipe 21 has been avoided, the noise elimination can, can prolong air.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (8)

1. The utility model provides an air compressor machine air inlet assembly which characterized in that: the air inlet control part comprises an air inlet pipe, an air inlet valve plate and a fastener, the air inlet control part penetrates through the connecting part, an end ring for positioning and sealing the air inlet control part and the connecting part, the connecting part is a hollow tubular part, the air inlet control part is arranged in a cavity of the connecting part, the air inlet control part comprises an air inlet pipe, the air inlet valve plate and the fastener, a certain gap is formed between the outer wall of the air inlet pipe and the inner wall of the connecting part, an air inlet is arranged at the upper end of the air inlet pipe, the interior of the air inlet pipe is a cavity, the bottom of the air inlet pipe is closed, a plurality of air inlet holes are formed in the side wall of the air inlet pipe, the air inlet valve plate is arranged at each air inlet hole, one end of the air inlet valve plate is fixedly connected with the pipe body through the fastener, the other end of the air inlet valve plate, then the air suction process is realized by penetrating the valve plate into the cylinder body, a plurality of blind holes are arranged on the outer wall of the pipe body near the air inlet hole, the blind holes are positioned in the coverage range of the air inlet valve plate, when the air inlet valve plate is closed, the blind holes play a role in damping and buffering, and the collision between the air inlet valve plate and the outer wall of the air inlet control part is avoided.
2. The air compressor air intake assembly of claim 1, wherein: the intake pipe include body and spacing ring, body and spacing ring integrated into one piece, the spacing ring sets up at the top of body, the external diameter of spacing ring is greater than the internal diameter of connecting piece, is less than or equal to the external diameter of connecting piece, the end collar is connected the back with the connecting piece, the end collar is tight with the upper end top of spacing ring and connecting piece, the realization is to intake pipe and connecting piece location and sealed, the body is the prismatic body of polygon, all is equipped with the inlet port on each prismatic face of body.
3. The air compressor air intake assembly of claim 1, wherein: the air inlet is a long round hole, and the blind holes are arranged below, above, on the left side or on the right side of the air inlet.
4. The air compressor air intake assembly of claim 1, wherein: the upper part of the air inlet valve plate is fixedly connected with the pipe body through two fasteners.
5. The air compressor air intake assembly of claim 2, wherein: the shape of the inner hole of the connecting piece is the same as that of the outer wall surface of the pipe body, and the connecting piece is in a polygonal prism shape with the same number of prism surfaces.
6. The air compressor air intake assembly of claim 1, wherein: the air inlet valve plate comprises a fixing part at the upper part and an opening and closing part at the lower part, a neck part with a size smaller than that of the fixing part and the opening and closing part is arranged between the fixing part and the opening and closing part, the neck part is arranged above the air inlet hole, and the fixing part is fixedly connected with an air inlet control piece through a fastening piece.
7. The air compressor intake assembly of claim 6, wherein: the air inlet valve plate is characterized in that a limiting fixing plate is arranged on the outer side of the fixing portion of the air inlet valve plate, the lower end of the limiting fixing plate extends to the lower portion of the neck of the air inlet valve plate, and the opening angle of the air inlet valve plate is limited by the limiting fixing plate.
8. The air compressor air intake assembly of claim 1, wherein: the upper portion of connecting piece be equipped with the external screw thread section, the end circle passes through this external screw thread section and connecting piece fixed connection.
CN201922095101.2U 2019-11-28 2019-11-28 Air compressor machine subassembly that admits air Active CN211448964U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201922095101.2U CN211448964U (en) 2019-11-28 2019-11-28 Air compressor machine subassembly that admits air

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201922095101.2U CN211448964U (en) 2019-11-28 2019-11-28 Air compressor machine subassembly that admits air

Publications (1)

Publication Number Publication Date
CN211448964U true CN211448964U (en) 2020-09-08

Family

ID=72297432

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201922095101.2U Active CN211448964U (en) 2019-11-28 2019-11-28 Air compressor machine subassembly that admits air

Country Status (1)

Country Link
CN (1) CN211448964U (en)

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