CN209523833U

CN209523833U - Beche air intake structure

Info

Publication number: CN209523833U
Application number: CN201822015734.3U
Authority: CN
Inventors: 林青田
Original assignee: Weizhen Pneumatic Tools Co ltd
Current assignee: Weizhen Pneumatic Tools Co ltd
Priority date: 2018-12-03
Filing date: 2018-12-03
Publication date: 2019-10-22
Anticipated expiration: 2028-12-03

Abstract

A kind of beche air intake structure, including valve body and cylinder, valve body are bound to cylinder side, and valve body has the rear valve body and front valve shell mutually sticked to, and the valve block being set between rear valve body and front valve shell；It is characterized in that, rear valve body opens up symmetrical two first rows air drain, front valve shell opens up symmetrical two second rows air drain, two inlet channels that cylinder two sides are provided symmetrically, first row air drain, second row air drain and inlet channel are interconnected, it so that being circulated to the gas of each first row air drain and each second row air drain, can provide in sufficient steady air flow to inlet channel, and then reduce cylinder inner impact sledge mill consumption and beat.

Description

Beche air intake structure

Technical field

The utility model is a kind of air intake structure, and espespecially a kind of beche air intake structure provides 2 the through by rear valve body One air discharge duct, front valve shell, which provides, is arranged two inlet channels, first row air drain, second exhaust in two second row air drains and cylinder Slot is connected with inlet channel, allows gas to stablize and sufficient by first row air drain and second row air drain, and be circulated into In gas channel, the impact hammer in cylinder can be reduced beat, avoid wearing away.

Background technique

The valve seat commonly used only has a first row air drain, therefore when gas passes through first row air drain a to cylinder, makes The impact hammer unbalance stress obtained in the cylinder causes the abrasion of point contact, while causing the impact hammer beat, and air inlet power Also insufficient, be not durable.In view of this, the utility model creator sheet is passed through in the manufacturing development and design for being engaged in Related product for many years It tests, for above-mentioned target, designs in detail and after discretion assessment, obtain the utility model for really having practicability eventually.

Utility model content

The purpose of this utility model is to provide a kind of beche air intake structures, and structure is simple, convenient operating maintenance, energy It allows gas to stablize and sufficient by first row air drain and second row air drain, and is circulated in inlet channel, allow in cylinder Impact hammer can reduce beat, avoid wearing away.

To achieve the above object, the utility model discloses a kind of beche air intake structures, characterized by comprising:

One valve body and a cylinder, the valve body are bound to the cylinder side, which has a rear valve body, a front valve shell and one Valve block, the rear valve body recline the front valve shell；

The rear valve body side opens up two air intake ducts, the recessed accommodation groove in center and provides multiple gas vents and a discouraged slot, Those gas vents be connected tos with the slot that loses heart, and two air inlet ducts, two first row air drains are arranged in the outside of the accommodation groove, the discouraged slot different from The side of the accommodation groove is connected to each first row air drain, and each first exhaust slot position is in the symmetrical two sides of the rear valve body and penetrates through the rear valve Body, those air intake ducts are connected to corresponding each air inlet duct and each gas vent；

The front valve shell corresponds to the recessed ventilation annular groove of the accommodation groove, which is connected to those air inlet ducts, the ventilation ring Groove center provides an air channel, and the position that the outside of the ventilation annular groove corresponds to those first row air drains provides a second exhaust respectively Slot；

The valve block is set between the accommodation groove and the ventilation annular groove；

The cylinder surface provides multiple stomatas, and inside forms an activity space, setting free displacement in the activity space One impact hammer, and those stomatas are located at the middle section position of the activity space and are connected to the activity space, the activity space two sides One inlet channel of axial setting, each inlet channel are respectively communicated to those second row air drains and the activity space different from before this respectively One end of valve body.

Wherein, a block edge is set between those gas vents and the slot that loses heart and forms interval.

Wherein, which sets a flange, which is located on the outside of those gas vents.

Wherein, which sets a peripheral wall, which is less than the accommodation groove.

Wherein, one first fixation hole is opened up on the outside of the accommodation groove, the position of corresponding first fixation hole on the outside of the ventilation annular groove It sets and provides one second fixation hole, first fixation hole and second fixation hole are fastened by a fixed pin.

By above structure, gas passes through those first row air drains and those second row air drains in the utility model, then Into the symmetrically each inlet channel, then uniform and sufficient lead to the activity space；Gas passes through the activity space and pushes It when the impact hammer, contacts the impact hammer in line with the activity space, allows the impact hammer not to be displaced beat and reduce the shock The abrasion of hammer, while it is even more the power for reinforcing pushing the impact hammer that throughput, which increases,.

Detailed description of the invention

Fig. 1 is the utility model stereoscopic schematic diagram.

Fig. 2 is the utility model perspective exploded view.

Fig. 2A is the stereoscopic schematic diagram of the utility model rear valve body another side.

Fig. 2 B is the stereoscopic schematic diagram of the utility model front valve shell another side.

Fig. 3 is the stereoscopic schematic diagram of the utility model valve body.

Fig. 4 is the 4-4 perspective cross section schematic diagram of Fig. 3.

Fig. 5 is the 5-5 perspective cross section schematic diagram of Fig. 3.

Fig. 6 is the 6-6 section action schematic diagram (one) of Fig. 1.

Fig. 6 A is the valve body enlarged diagram of Fig. 6.

Fig. 7 is the 6-6 section action schematic diagram (two) of Fig. 1.

Fig. 7 A is the valve body enlarged diagram of Fig. 7.

Fig. 8 is the 6-6 section action schematic diagram (three) of Fig. 1.

Fig. 8 A is the valve body enlarged diagram of Fig. 8.

Fig. 9 is the 9-9 section action schematic diagram of Fig. 1.

Fig. 9 A is the valve body enlarged diagram of Fig. 9.

Figure 10 is the stereoscopic schematic diagram that the utility model is installed in beche.

Specific embodiment

Refering to fig. 1~Fig. 5 and Fig. 9 discloses a kind of beche air intake structure, including a valve body 1 and a cylinder 60, the valve body 1 is bound to 60 side of cylinder, which has a rear valve body 10, a front valve shell 20 and a valve block 30, which reclines The front valve shell 20；10 side of rear valve body opens up two air intake ducts 121, the recessed accommodation groove 16 in center and provides multiple gas vents 161 and a discouraged slot 17, those gas vents 161 be connected to the slot 17 that loses heart, two air inlet ducts of outside setting of the accommodation groove 16 122, two first row air drain 14, the 16 inner wall ring of accommodation groove set a flange 191, which is located at outside those gas vents 161 Side, the slot 17 that loses heart are connected to the respectively first row air drain 14 different from the side of the accommodation groove 16, and respectively the first row air drain 14, which is located at, is somebody's turn to do The symmetrical two sides of rear valve body 10 simultaneously penetrate through the rear valve body 10, those air intake ducts 121 are connected to corresponding respectively air inlet duct 122 and each The gas vent 161, those gas vents 161 and the slot 17 that loses heart are arranged a block edge 19 and form interval；The front valve shell 20 corresponds to the appearance The ventilation annular groove 26 of slot 16 recessed one is set, which is connected to those air inlet ducts 122, and it is logical which provides one Air drain 261, the position that the outside of the ventilation annular groove 26 corresponds to those first row air drains 14 provide a second row air drain 24 respectively；It should Valve block 30 is set between the accommodation groove 16 and the ventilation annular groove 26；60 surface of cylinder provides multiple stomatas 63, and inside is formed One activity space 61, an impact hammer 70 of the interior setting free displacement of the activity space 61, and those stomatas 63 are located at activity sky Between 61 middle section position and be connected to the activity space 61, the 61 inside two sides of activity space, one inlet channel of axial setting respectively 62, respectively the inlet channel 62 is respectively communicated to those second row air drains 24 and the activity space 61 different from the one of the front valve shell 20 End.

Refering to Fig. 2~Fig. 2 B, the another side of the rear valve body 10 is the ring-like body of protuberance, and the center of above-mentioned annular solid is let out for this Air drain 17, the two sides of the slot 17 that loses heart are respectively each first row air drain 14, and it is fixed that one first is opened up on the outside of the accommodation groove 16 Hole 18, the position that first fixation hole 18 is corresponded on the outside of the ventilation annular groove 26 provide one second fixation hole 28, first fixation hole 18 and second fixation hole 28 fastened by a fixed pin 40；In addition, 261 periphery ring of air channel sets a peripheral wall 262, the peripheral wall 262 diameters are less than the accommodation groove 16.

Refering to Fig. 3~Figure 10 and the Fig. 1 that arranges in pairs or groups, which is installed in a beche 80, a tool 82 after combining the cylinder 60 The cylinder 60 is set to different from the side of the valve body 1, which sticks in the cylinder 60, forms the work inside the cylinder 60 Dynamic space 61,60 surface of cylinder provide multiple stomatas 63, those stomatas 63 are connected to the activity space 61, and the cylinder two sides are each The inlet channel 62 is set, and respectively the inlet channel 62 is respectively communicated to the activity space 61 different from one end of the front valve shell 20, is somebody's turn to do In activity space 61 setting can free displacement the impact hammer 70；The rear valve body 10 is sticked to the front valve shell 20, which sets It is placed in the accommodation groove 16, those air intake ducts 121, those gas vents 161, the ventilation annular groove 26 and the air channel 261 is formed and connects It is logical；Meeting reciprocating percus-sion tool 82 after the impact hammer 70 displacement, provides 82 kinetic energy of tool whereby.

Gas is had after the impact hammer 70 is close towards the front valve shell 20 refering to Fig. 6 and Fig. 6 A and Fig. 2~Fig. 5 that arranges in pairs or groups The valve block 30 is pushed, the valve block 30 is made to push the rear valve body 10 to, until the valve block 30 abuts against the block edge 19 of the rear valve body 10, and Gas is persistently inputted from those air intake ducts 121.

Refering to Fig. 7 and Fig. 7 A and Fig. 2~Fig. 5 that arranges in pairs or groups, the gas persistently inputted from those air intake ducts 121 can pass through correspondence The air inlet duct 122 lead to the air channel 261, above-mentioned gas is then input in the activity space 61 of the cylinder 60, gas Push the impact hammer 70 towards the direction advance different from the front valve shell 20.

Refering to Fig. 8 and Fig. 8 A and Fig. 2~Fig. 5 that arranges in pairs or groups, when the impact hammer 70 towards the direction advance different from the front valve shell 20 Afterwards, can be dissipated by the gas part of those stomatas 63 it is excessive, therefore push the forward power of impact hammer 70 decrease；In addition, originally The valve block 30 for abutting against the rear valve body 10 is pushed by gas, it, should after the no longer eluting gas of air channel 261 pushes against valve block 30 Valve block 30 abuts against the front valve shell 20.

Refering to Fig. 9, Fig. 9 A and Fig. 2~Fig. 5 that arranges in pairs or groups, the gas that is constantly flowed into from those air intake ducts 121, it will lead to opposite The gas vent 161 answered, since the valve block 30 abuts against the front valve shell 20, the gas flowed out from those gas vents 161 can be suitable Benefit from those gas vents 161 be circulated to this lose heart slot 17, then gas lead to those first row air drains 14 and by those second Air discharge duct 24, and enter in those inlet channels 62 of the cylinder 60, it flows through from those inlet channels 62 to the activity space 61 Different from one end of the front valve shell 20, due to for the setting of those symmetrical inlet channels 62, gas can be stablized and powerful From 61 front end of activity space, push against the impact hammer 70 and advance towards the direction of the front valve shell 20, while the impact hammer can be made 70 are displaced and are reduced abrasion with the line way of contact, which can pass through those gas during advancing towards the front valve shell 20 Hole 63, gas part can be dissipated from those stomatas 63 overflows, so that power is pushed to reduce, and does not dissipate excessive gas via the impact hammer After 70 push the front valve shell 20 to, above-mentioned gas will push against the valve block 30 towards the movement of the direction of the rear valve body 10, then repeat The step of Fig. 6 to Fig. 9, reaches the impact hammer 70 and moves back and forth as a result, the shift reciprocately and then reach through the impact hammer 70 is hit The effect of hitting the tool 82 and kinetic energy be provided.

Claims

1. a kind of beche air intake structure, characterized by comprising:

One valve body and a cylinder, the valve body are bound to the cylinder side, which has a rear valve body, a front valve shell and a valve Piece, the rear valve body recline the front valve shell；

The rear valve body side opens up two air intake ducts, the recessed accommodation groove in center and provides multiple gas vents and a discouraged slot, those Gas vent is connected to the slot that loses heart, and two air inlet ducts, two first row air drains are arranged in the outside of the accommodation groove, and the slot that loses heart is different from the appearance The side for setting slot is connected to each first row air drain, and each first exhaust slot position is in the symmetrical two sides of the rear valve body and penetrates through the rear valve body, Those air intake ducts are connected to corresponding each air inlet duct and each gas vent；

The front valve shell corresponds to the recessed ventilation annular groove of the accommodation groove, which is connected to those air inlet ducts, in the ventilation annular groove The heart provides an air channel, and the position that the outside of the ventilation annular groove corresponds to those first row air drains provides a second row air drain respectively；

The cylinder surface provides multiple stomatas, and inside forms an activity space, and the one of setting free displacement hits in the activity space Hammer, and those stomatas are located at the middle section position of the activity space and are connected to the activity space, activity space two sides difference One inlet channel of axial setting, each inlet channel are respectively communicated to those second row air drains and the activity space different from the front valve shell One end.

2. beche air intake structure as described in claim 1, which is characterized in that be arranged between those gas vents and the slot that loses heart One block edge forms interval.

3. beche air intake structure as described in claim 1, which is characterized in that the accommodation groove inner wall ring sets a flange, this is convex Edge is located on the outside of those gas vents.

4. beche air intake structure as described in claim 1, which is characterized in that the air channel periphery ring sets a peripheral wall, this week Wall diameter is less than the accommodation groove.

5. beche air intake structure as described in claim 1, which is characterized in that it is fixed to open up one first on the outside of the accommodation groove Hole, the position of corresponding first fixation hole provides one second fixation hole on the outside of ventilation annular groove, first fixation hole and this second Fixation hole is fastened by a fixed pin.