CN208348552U - Maintenance unit - Google Patents

Abstract

A kind of maintenance unit, it include: an ontology group, it has a pedestal, and an air intake and gas outlet are equipped in the pedestal, in the runner for being formed with each air intake of connection and gas outlet in the pedestal, it is equipped with a valve member room in the runner, in the valve member room inner wall with the radial collection headroom for being partially formed groove-like and an abutting part；One adjustment group, its have with eccentric manner be set to the valve member room in and rotatable actuation an adjustment part, the local outer diameter edge of the adjustment part is connected to the abutting part, the adjustment part center forms a gas chamber, and perforation is radially equipped with to the different several adjustment holes of the gas chamber and aperture in the adjustment part, and the radial position of each adjustment hole is made to correspond to the gas collection space, after rotating the adjustment part, the adjustment hole of one then corresponds to the runner for being connected to the gas outlet direction；One section group is set between each pedestal and adjustment part, according to the quantity of the adjustment hole and relative position setting rotation and positioning states.

Description

Maintenance unit

Technical field

The utility model relates to a kind of air-pressure adjustings of tool section design to mention especially on pneumatic device It is adjustable to feed atmospheric pressure, and can the extensive structure of application field.

Background technique

Baric systerm (also known as pneumatic system), mainly using pressure energy caused by compressed gas using as drive source, For being driven various mechanisms generation movement；Generally it is divided into air pressure generation mechanism, Pneumatic control according to its effect in baric systerm Structure, pneumatic actuation mechanism and subsidiary body etc., wherein electric energy or mechanical energy are converted into the pressure energy of gas by air pressure generation mechanism, The devices such as common person such as air compressor, aftercooler, oil water separator, gas storage noise, drier or conditioning group；Pneumatic control Structure is then the air that will have been compressed, and flow and direction are controlled, and to be transmitted to default location, common component includes pressure The mechanisms such as control valve, flow control valve and directional control valve；Pneumatic actuation mechanism is the compressed air that will come through control transmission, with The outside work done of mechanical system generates actuation person, usual means such as pneumatic cylinder, air pressure motor or actuator etc.；And subsidiary body master It is to make to generate the device of other specific functions, such as muffler, pressure switch, quick coupling, counter or mould pipe.

For air pressure control mechanism relevant apparatus, dust head's such as pressure-control valve is mainly used for controlling the pressure of compressed air Power size, this is related with load, with function distinguishing dust head such as pressure regulator valve, pressure relieving valve and sequence valve etc.；Flow control valve is then used In the uninterrupted of control compression control, this is related with the speed of load；Directional control valve is used to control the flowing of compressed air Direction, this is related with the actuation direction of load, mostly to control the water conservancy diversion of compressed air, cutting or switch based on its flow direction.

Flow control valve is further analyzed, the control of flow is usually carried out using the size for changing passage section product, To adjust the flow by air, and then the movement velocity of controllable backend mechanism；Dust head such as throttle valve, speed governing valve, overflow Throttle valve and flow divider-combiner etc..

Flow control valve is in that can be divided into passive type and self-action again in the driving of adjusting, and wherein passive type refers to gas flow Adjusting need to cooperate external motivating force to be adjusted switching switching；Self-action is then the mechanism that there is valve group itself pressure to adjust, in When pressure is more or less than setting value, it can be adjusted or switch to balance internal pressure person automatically, such as TaiWan, China Has the flow regulator of voltage stabilizing function disclosed in No. 100202003 new patents.The gas flow adjustment technology of passive type, can Using manpower or mechanical power drive and the adjustment for controlling progress runner section size, adjustment mode can be divided into again segmentation and nothing Segmentation, wherein there is segmentation that will divide into several switch modes in flow adjustable range, stepless is then by flow adjustable range Interior without switch mode is distinguished, user can select on demand, and the technology that this case is then directed to the passive adjustment gas flow of segmentation is made Improvement.

Since flow adjustment technology can be in many Space Science and Technologies, the vehicles, machinery equipment, automatic control, clamp tool, family It is applied in tool, medical equipment, pneumatic tool or health-care article etc. field；Its application mode includes mating type and external mounted, Flow adjustment structural integrity is incorporated into device or machine by middle mating type, and such technology such as TaiWan, China the 097130197th Pneumatic tool and TaiWan, China the 105116548th invention disclosed in patent of invention with function for adjusting torsion in section The nozzle arrangements of adjustable tolerance disclosed in patent；External mounted then refer to flow adjustment structure connect in such a way that group connects set with device or Machine, which connects, to be set, be set to air intake or gas flow pipe road more.

For the existing gas flow adjustment technology for belonging to external mounted, such as No. 103140331 patent of invention institute of TaiWan, China Disclosed regulating valve comprising: a matrix, the venthole for being formed with accommodating chamber and being connected with the accommodating chamber on the matrix, Its improvement is: the accommodating chamber at least has an opening, which further includes the first cock body and the second cock body, first cock body Fixation is contained in the accommodating chamber and offers first passage, which is rotationally contained in the accommodating chamber simultaneously neighbouring be somebody's turn to do Opening setting, the appearance air drain which is formed with second channel and is connected with the second channel, which surround should The periphery wall of second cock body is simultaneously connected with the venthole, which is airtightly held in first cock body and the matrix Inner sidewall, so that first channel, the second channel, the appearance air drain and the venthole are collectively formed an airtight access, second Channel includes interconnected air guide portion and outlet portion, which deviates the central axis setting of second cock body, the outlet Portion is connected with the appearance air drain, and can be realized the second channel by rotating second cock body is connected with first channel.

The gas flow adjustment technology of another external mounted, as disclosed in No. 104202530 new patent of TaiWan, China Pressure regulator valve, comprising: a tube body is formed with an air inlet and an at least gas vent, wherein the air inlet and the gas vent are mutual Ground connection；And a knob, it is incorporated on the tube body；Wherein, the tubular body be provided in order an O type ring, a ball with And a pressure spring, and the pressure spring is set between the ball and the knob；It wherein, can by compressing for the pressure spring So that the ball is by the tightly sealed air inlet of the O type ring, and obstruct mutually interconnection of the gas vent with the air inlet It is logical, also, can adjust the strength that the pressure spring presses on the ball by operating the knob.

Also there is a kind of gas flow adjustment technology of external mounted, No. 105214885 new patent institute is public such as TaiWan, China The gas flow adjuster opened, is used to adjust the gas disengaging of two gas passages, which includes one solid Reservation is divided into the adjustment group in the fixing seat and gearing group and a pressure gauge in the adjustment group；Its feature exists In: the adjustment group includes a first gear that can be hubbed in the fixing seat and one connects the knob of the first gear, and The aforementioned pressure gauge is fixed in the fixing seat after being arranged in the knob, first gear；The gearing group has one and first tooth Take turns the second gear of connection, one be fixedly arranged in the fixing seat and connect two gas passage pressuring adjusting valve base and one by this Two gears interlock and stretch the pressure regulation needle being placed in the pressuring adjusting valve base, and in the aforementioned pressuring adjusting valve base and between two gas passages It is inside provided with a valve port, and the pressure regulation needle can block or open the valve port.

Utility model content

In above-mentioned disclosed structure, the gas flow adjustment technology of external mounted is belonged to, and is all the flow tune of stepless Section structure, wherein First Case rotates the knob, by the first cock body be arranged first passage, the second cock body eccentric setting can Second channel, second channel are capable of the connection of channel rotation the second cock body realization and first passage, flow through the first letter to adjust The throughput in road and second channel；Second case is then so that compressing for the pressure spring is may make the ball by rotating the knob It by the air inlet of the tightly sealed tube body of the o-ring, is designed in this way, can improve traditional air pressure adjustment valve has easily Generate gas leakage and the shorter phenomenon of life of product；Third case passes through the adjustment group and gearing group and designs so that the pressure gauge with The knob may be provided at together, and when rotating the knob, which can interlock the gearing group and carry out pressure regulation actuation, simultaneously The pressure gauge can't follow the knob while rotate during adjustment.

The flow that aforementioned structure belongs to stepless is adjusted, and when adjusting rotation knob, the sizes values of flow adjustment are more not It is clear, tune up or turn down the situation uncertain, mistake is easily caused to adjust；Also, the part of aforementioned existing structure is more, so that group is set Upper more complex and trouble；On the other hand, aforementioned existing first, second case structure, can only be arranged on gas piping, and third case Be then be arranged on pressure gauge structure design, however existing three cases structure can not directly be mounted on cylinder, actuator or its On the air intake of his device noumenon；Therefore this case utility model people, for existing issue, foregoing problems and energy can be solved by providing one kind Promote practicability and convenience air pressure tune knot device.

In view of this, maintenance unit disclosed in the utility model comprising: an ontology group has a pedestal, And it is respectively equipped with an air intake and gas outlet in the pedestal predetermined patterns, each air intake and outlet are connected in being formed in the pedestal Mouthful a runner, with provide gas circulation, in the runner predetermined patterns be equipped with a valve member room, in the valve member room inner wall with Radial direction is partially formed a collection headroom and an abutting part for groove-like；One adjustment group has the adjustment part in round bar shape, with Eccentric manner is in the valve member room and rotatable, and the local outer diameter edge of the adjustment part is connected to the abutting part, the adjustment part Central predetermined patterns form a gas chamber, and are radially equipped with perforation to the different several adjustings of the gas chamber and aperture in the adjustment part Hole, and the radial position of each adjustment hole is made to correspond to the gas collection space, after suitably rotating the adjustment part, the adjustment hole of one is then Corresponding runner for being connected to the gas outlet direction；One section group is set to the quantity between each pedestal and adjustment part, according to the adjustment hole And relative position setting rotates and positioning states, stops the adjustment part after rotating predetermined angle, to ensure that the adjustment part revolves Turn to be positioned at correct position, and the adjustment hole of one is made to correspond to the runner for being connected to the gas outlet direction；Pass through above-mentioned structure Part makes the adjustment hole of different pore size respectively correspond the gas outlet direction, can generate gas with various using the adjustment part is rotated The switching of flow, thus for specific number of segment switch select, can directly with cylinder, actuator or other need to adjust the object of flow Product are mutually assembled, and its overall structure is simple, and group is set with easy disassembling and quickly, and using upper great convenient utility and can be dropped The gas flow adjusting means of low manufacturing cost.

The main purpose of the utility model is providing a kind of maintenance unit, with the different several adjustings in aperture Hole respectively corresponds the structure design of the section group of the default number of segment of tool, is the flow adjusting that can be carried out gas in rotating the adjustment part, It is more clear in the operation for adjusting flow therefore to there is the gas flow regulatory function of segmentation.

The another object of the utility model is providing a kind of maintenance unit, can directly be mounted on cylinder, actuating On device or the air intake of other device noumenons, it can also connect to set and connected with air pressure pipeline, use upper more diversification, application range Extensively there is high practicability.

The another object of the utility model is providing a kind of maintenance unit, and integrated member is simple, and group sets and tears open Except upper quite simple and quickly, manufacture and cost of labor can be substantially reduced.

The another object of the utility model is providing a kind of maintenance unit, has collection headroom, can make gas Enter gas chamber by multiple adjustment holes, then flowed out by one adjustment hole, there is load capacity effect when promoting maximal regulated flow Fruit.

Detailed description of the invention

Fig. 1 is the stereo appearance figure of one preferred embodiment of the utility model.

Fig. 2 is the perspective exploded view of one preferred embodiment of the utility model.

Fig. 3 is the assembled sectional view one of one preferred embodiment of the utility model.

Fig. 4 is the assembled sectional view two of one preferred embodiment of the utility model.

Fig. 5 is that the gas circulation of one preferred embodiment of the utility model adjusts schematic diagram.

Fig. 6 is that the gas circulation of one preferred embodiment minimum discharge of the utility model adjusts schematic diagram.

Fig. 7 is that the gas circulation of one preferred embodiment maximum stream flow of the utility model adjusts schematic diagram.

Fig. 8 is the use schematic diagram that one preferred embodiment of the utility model is applied to vice and actuator.

Fig. 9 is the stereo appearance figure of the utility model second embodiment.

Figure 10 is the perspective exploded view of the utility model second embodiment.

Figure 11 is the assembled sectional view of the utility model second embodiment.

Figure 12 uses schematic diagram applied to pneumatic tool for the utility model second embodiment.

Figure 13 uses schematic diagram for the utility model 3rd embodiment.

Description of symbols

The opening of ontology group 10 24

11 closure member 25 of pedestal

12 adjustment hole 26,261,262,263,264,265,266,267,268 of air intake

13 runner of gas outlet, 14 section group 30

15 section slot 31 of valve member room

Collect 16 elastic component 32 of headroom

17 steel ball 33 of abutting part

20 marking component 34 of adjustment group

21 index 341 of adjustment part

Head 211, which connects, sets group 40

212 connecting rod 41 of bar portion

22 device 50 of fixing piece

23 pipe fitting 60 of gas chamber.

Specific embodiment

Below with reference to the attached drawing in the utility model embodiment, the technical scheme in the embodiment of the utility model is carried out clear Chu is fully described by.Many details are explained in the following description in order to fully understand the utility model, but originally Utility model can also be implemented using other than the one described here other way, and those skilled in the art can not disobey Similar popularization is done in the case where back the utility model connotation, therefore the utility model is not by the limit of following public specific embodiment System.

FIG. 1 to FIG. 4, a kind of maintenance unit provided by the utility model, with eight sections of gas flows are please referred to first It is adjusted to actual form, specifically includes that an ontology group 10, and an adjustment group 20 and a section group in the ontology group 10 30。

The ontology group 10 has a pedestal 11, and is respectively equipped with an air intake 12 in 11 predetermined patterns of pedestal and goes out Port 13；In being formed with the runner 14 for being connected to each air intake 12 and gas outlet 13 in the pedestal 11, to provide gas circulation；In 14 predetermined patterns of runner are equipped with a valve member room 15；A collection headroom is formed in predetermined depth in 15 inner wall of valve member room 16 and an abutting part 17.

The adjustment group 20, have an adjustment part 21, with eccentric manner be set to the valve member room 15 in and rotatable actuation；It should The local outer diameter edge of adjustment part 21 is connected to the inner wall predetermined patterns of the valve member room 15；The adjustment part 21 has a head 211 and a bar portion 212,211 outer diameter of head is larger, exposes to outside the pedestal 11, which then wears the pedestal 11；The adjustment part 21 is with the bar portion 212, and after being arranged in the valve member room 15 by the side of the pedestal 11, it is then exposed to wear end Exsertion part is worn equipped with a fixing piece 22 in the other side of the pedestal 11, and in the adjustment part 32, makes the adjustment part 21 can be in Actuation is stably rotated in the valve member room 15；The bar portion center predetermined patterns of the adjustment part 21 form a gas chamber 23, are towards this 212 root edge portion of bar portion forms the opening room of an opening 24；One closure member 25 is set in the opening 24；And in the adjustment part 21 Bar portion 212 on be equipped with perforation to the different several adjustment holes 26 of the gas chamber 23 and aperture, and make each adjustment hole 26 is corresponding should Collect headroom 16；Both each valve member room 15 and collection headroom 16 are in eccentric state；After suitably rotating the adjustment part 21, one The adjustment hole 26 then corresponding runner for being connected to 13 direction of gas outlet；When the adjustment hole 26 rotation of one is connected to corresponding When the runner 14 in 13 direction of gas outlet, then the adjustment hole 26 is located at each adjustment part 21 and 15 liang of valve member room mutually abut Position.

The section group 30 is set between each pedestal 11 and adjustment part 21, sets according to the quantity of the adjustment hole 26 and relative position Fixed rotation and positioning states, stop the adjustment part 21 after rotating predetermined angle, with ensure 21 rotational positioning of adjustment part in Correct position, and the adjustment hole 26 of one is made to correspond to the runner 14 for being connected to 13 direction of gas outlet；Several section slots 31, 21 predetermined patterns of pedestal are located on, and each section slot 31 is made to respectively correspond the relative position of each adjustment hole 26；One elastic component 32, In the adjustment part 21, one end is connected to 21 predetermined patterns of adjustment part, and the other end then connects with a steel ball 33 and sets；The steel ball 33 by the elastic component 32 natural thrust, it is and mobile towards the section slot 31, and be equipped in the section slot 31 and then make the adjustment Then the steel ball 33 is stuck in the section slot 31 and generates positioning states part 21 when rotation to the section slot 31；The head of the adjustment part 21 211 rim surface of portion is equipped with a marking component 34, indicates the size of each adjustment hole 26 with default arrangement mode, and make the marking component The setting of 34 arrangement, according to the quantity of the adjustment hole 26 and the relative position of adjustment hole 26；The marking component 34 can for number, Any application such as letter, symbol or pattern；One index 341, the predetermined patterns being clear on the pedestal 11, the index The 341 corresponding positions towards 13 direction of gas outlet.

By the most preferred embodiment of the utility model, in being applied to directly be mounted on cylinder, actuator or other device noumenons Air intake on when, further connect with unification and set group 40, by each ontology group 10, adjustment group 20 and the section group 30 of assembled state, It connects setting to be located on a device 50, be adjusted with providing the device 50 with the pneumatic flow of section formula；This, which connects, sets group 40 with extremely A few connecting rod 41, after wearing 11 predetermined patterns of pedestal, spiral shell, which is set, to be fixed on the device 50.

By above-mentioned component, the adjustment hole 26 of different pore size is set to respectively correspond the gas outlet using the adjustment part 21 is rotated The runner 14 in 13 directions, can generate the switching of different gas flow, design, can produce bright in conjunction with the structure of the section group 30 True number of segment handoff functionality, and can be directly mutually assembled with cylinder, actuator or other devices that need to adjust flow, and its entirety Structure is simple, and group is set with easy disassembling and quickly, and using upper great convenient utility and can reduce the gas stream of manufacturing cost Quantity regulating device.

For further understandings of the utility model construction feature, application technology means and desired the effect of reaching, hereby will The utility model usage mode is described below:

The utility model is before group is set, by each air intake 12, gas outlet 13, runner 14, valve member room 15, collection headroom 16, the components such as index 341 and section slot 31 are set on the pedestal 11 with integral manner；Each gas chamber 23, opening 24, adjustment hole 261,262,263,264,265,266,267,268 and marking component 34 with integral manner be set to the adjustment part 21 on.

Each elastic component 32 and steel ball 33 are mounted in the head 211 by the utility model first when group is set；Then should Adjustment part 21 is arranged in the valve member room 15, and the end that wears of the adjustment part 21 is made to expose to 11 other side of pedestal, then with The fixing piece 22 is arranged positioning；In suitably rotating the adjustment part 21, it is equipped in the steel ball 33 on the section slot 31 of one；Most 25 spiral shell of closure member is set in the opening 24 afterwards, i.e., group sets completion.

Group is first set each ontology group 10, adjustment group 20 and the section of state when being mounted on the device 50 by the utility model Hyte 30 is amplexiformed with the correspondence of gas outlet 13 of the pedestal 11 in the air inlet portion of the device 50；Each connecting rod 41 is worn respectively again After 11 predetermined patterns of pedestal, spiral shell, which is set, to be fixed on the device 50, i.e., group sets completion.In use, the pipe fitting 60 is mounted on The air intake 12, then be arranged and be fixed on the pipe fitting 60 with a pipeline, it can be by the gas transport of pneumatic supply to the air intake 12, after flow is adjusted, and then transmit in compressed gas to the device 50.

The utility model is because of demand or is not required to gas flow adjusting, and must be each by when removal, first loosening on the device 50 After connecting rod 41, each ontology group 10, adjustment group 20 and section group 30 that group sets state are removed and completed.

The gas flow of the utility model adjusts and circulation status, referring to figure 4. to Fig. 5, when gas is by each air intake 12 And after pipe fitting 60 enters, which is entered by the adjustment hole 261 by the collection headroom 16；Each adjusting is sequentially flowed through again Hole 265 and runner 14 are finally flowed out by the gas outlet 13.Wherein, according to the gas stream that shown in figure, which is the 5th section Amount is adjusted, and belongs to the flow set of median.

The utility model marking component 34 is using number 1 to 8 as the number of segment setting of flow switching from small to large.Work as desire When being adjusted to minimum discharge, Fig. 6 is please referred to, the corresponding index of the number " 1 " for rotating the adjustment part 21 to the marking component 34 341；Therefore after gas is entered by each air intake 12 and pipe fitting 60, entered by the collection headroom 16 by the adjustment hole 265 The gas chamber 23；Each adjustment hole 261 and runner 14 are sequentially flowed through again, are finally flowed out by the gas outlet 13.

When maximum stream flow to be adjusted to, Fig. 7 is please referred to, the number " 8 " for rotating the adjustment part to the marking component 34 is right It should index 341；Therefore after gas is entered by each air intake and pipe fitting, which is passed through by the collection headroom 16 Into the gas chamber 23；Each adjustment hole 268 and runner 14 are sequentially flowed through again, are finally flowed out by the gas outlet.

The section flow adjusted design of the utility model is equipped with eight section slots 31, corresponding each steel in the pedestal 11 Pearl 33 and elastic component 32；When rotating the adjustment part 21, each steel ball 33 and elastic component 32, should then with 21 synchronous rotary of adjustment part Steel ball 33 is then because of the factor of spin and the 11 apical margin facial contour of pedestal, and towards 211 linear displacement of head, and prolongs rotating path Roll, until when next section slot 31, then because the pedestal 11 apical margin facial contour due to be equipped in the section slot 31, and generate Microseism feel, that is, the flow for completing to switch to next section are adjusted.

Fig. 8 is please referred to, the implementation of vice and actuator 50 is applied to for the utility model, wherein the device is actuator Using group being set to each ontology group 10, adjustment group 20 and the section group 30 of state, with 12 position alignment of the gas outlet device 50 Air inlet portion, then set and be fixedly arranged on the device 50 with 41 groups of each connecting rod, i.e., group sets completion.In use, by the pipe fitting 60 groups set It in the air intake 12, then is arranged and is fixed on the pipe fitting 60 with a pipeline, the gas transport of pneumatic supply can be entered gas to this Mouth 12 after flow is adjusted, and then transmits in compressed gas to the device 50.

The utility model utilizes each air intake 12 being set in the pedestal 11, collection headroom 16,13 institute of runner 4 and gas outlet It is collectively formed and the channel of gas circulation is provided, the adjustment part 21 is cooperated to switch over each adjustment hole 26 of different pore size, make point It does not form different duct accesses to generate different gas flow, and the adjustment structure of the section group 30 is combined to design, it is reachable To following effect:

One, the utility model is distinguished with the different each adjustment hole 261,262,263,264,265,266,267,268 in aperture The section slot 31 of the corresponding section group 30 and the number of marking component 34, therefore have the function of the adjustment of section formula, in the rotation adjustment It can be expressly understood that each section tunes the determination position that displacement and each section tune, therefore the operation adjusted in flow when part 21 On it is more clear, reduce flow and adjust the situation of mistake and occur, solve it is existing tunes indefinite and is not easy, and be also easy to produce adjusting The problem of mistake.

Two, the utility model connects using this sets group and 40 is directly mounted on the device 50, in i.e. finger can be direct in practice It is mounted on the air intake of cylinder, actuator or other device noumenons, in applying upper more diversification, can have a wide range of application and real It is high with property, and solve the problems, such as that existing regulating device can not be directly mounted in device noumenon.

Three, it can be respectively equipped with each pipe fitting 60 in each air intake 12 and gas outlet 13, then distinctly connected with an air pressure pipeline And if forming gas line air pressure inside flow adjustment function.

Four, the utility model without using pneumatic flow when adjusting, it is only necessary to set the spiral shell of each connecting rod 41 and loosen, can incite somebody to action Whole group flow regulator is removed, therefore the operation that group sets and dismantles is quite quickly and readily, can reduce cost of labor.

Five, the overall structure of the utility model and component are simple, therefore can effectively reduce manufacturing cost.

Six, respectively both collection headroom 16 and the bar portion for adjusting bar 21 are designed in the structure of eccentric state, can make gas simultaneously Enter the gas chamber 23 by multiple adjustment holes 26, then the adjustment hole 26 is circulated to each runner 14 and venthole 13 by one, in When switching to maximum adjustment flow, circulation efficiency can be effectively promoted, and promote load capacity.

It please refers to shown in Fig. 9 to Figure 12, is the second embodiment of the utility model, for the gas stream applied to pneumatic tool Measure the aspect of adjustment；Wherein the pedestal 11 is in default profile appearance；The section group 30 adjusts the setting of switching with four sections of flows；Respectively Air intake 12 and gas outlet 12 can be spirally connected the pipe fitting 60 respectively, and the pipe fitting 60 of the air intake 12 can be with a pipeline and pneumatic supply It is coupled, the pipe fitting 60 of the gas outlet 13, which then connects with the air inlet portion of pneumatic tool, to be set.

When carrying out gas flow adjusting, it is only necessary to rotate the adjustment part 21, make the pre- flow number of segment number tuned is corresponding should Pointer 341.This embodiment predominantly provides another application mode, and the shape including the pedestal 11 can become on demand Change, the utility model can be also incorporated on the device of pneumatic tool.Other groups of the present embodiment set mode, component composition, actuation It is mode and expected the effect of reaching, identical with previous embodiment.

Figure 13 is please referred to, is the 3rd embodiment of the utility model, wherein each air intake 12 and gas outlet 13 can distinguish spiral shell The pipe fitting 60 is connect, the pipe fitting 60 of the air intake 12 can be coupled with a pipeline with pneumatic supply, and the pipe fitting of the gas outlet 13 is then With being coupled for a pipeline and another device 50.This embodiment is the implementation state for providing the internal gas flow of air pressure pipeline and adjusting Sample, it is seen that the utility model can be applied and usage mode is quite various, be the technology with high practicability and high economy really.

In summary, maintenance unit disclosed in the utility model provides the adjustment structure of a tool section formula, benefit The adjustment hole of different pore size is set to respectively correspond the gas outlet direction with the adjustment part using rotation, gas with various can be generated The switching of flow cooperates the structure of the section number to design, can directly with cylinder, actuator or other need to adjust the article phase of flow Mutual group connects, and can also be directly coupled to air pressure pipeline, plus its overall structure is simple, group set with easy disassembling and quick, and can drop Low cost, while can be applied in miscellaneous pneumatic device or atmospheric control, and obtain a firm combination and assembling The high gas flow adjusting means of convenience,

Obviously, described embodiment is only a part of the embodiment of the utility model, instead of all the embodiments. Based on the embodiments of the present invention, obtained by those of ordinary skill in the art without making creative efforts Every other embodiment, fall within the protection scope of the utility model.

Claims (14)

1. a kind of maintenance unit characterized by comprising

One ontology group has a pedestal, and is equipped with an air intake and gas outlet in the pedestal, in the company of being formed in the pedestal Lead to a runner of each air intake and gas outlet, to provide gas circulation, is equipped with a valve member room in the runner, holds in the valve member Room inner wall forms a collection headroom and an abutting part in predetermined depth；

One adjustment group has an adjustment part, is set in the valve member room and rotatable, the local outer diameter edge abutting of the adjustment part In the abutting part, which forms a gas chamber, and is radially equipped with perforation to the gas chamber in the adjustment part And several adjustment holes that aperture is different, and each adjustment hole is made to correspond to the gas collection space, and after rotating the adjustment part, the adjusting of one Hole then corresponds to the runner for being connected to the gas outlet direction；

One section group is set between each pedestal and adjustment part, according to the quantity of the adjustment hole and relative position setting rotation and positioning State stops the adjustment part after rotating predetermined angle, to ensure that the adjustment part rotational positioning in correct position, and makes one The adjustment hole correspond to be connected to the gas outlet direction the runner.

2. maintenance unit according to claim 1, which is characterized in that both each valve member room and collection headroom are in inclined Heart shaped state.

3. maintenance unit according to claim 1, which is characterized in that connect when the adjustment hole of one is rotated to corresponding When leading to the runner in the gas outlet direction, then the adjustment hole is located at the position that each adjustment part and valve member room abut.

4. maintenance unit according to claim 1, which is characterized in that if the section group, which has, is located on the pedestal Dry section slot, and each section slot is made to respectively correspond the relative position of each adjustment hole；One elastic component is set in the adjustment part, one End is connected to the adjustment part, and the other end then connects with a steel ball and sets；The steel ball by the elastic component natural thrust, and towards the section slot It is mobile, and be equipped in the section slot so that the adjustment part generates positioning states.

5. maintenance unit according to claim 1, which is characterized in that the air intake, which can connect, sets a pipe fitting.

6. maintenance unit according to claim 1, which is characterized in that the maintenance unit connects with one and sets Each ontology group, adjustment group and the section group of assembled state are connect setting and are located on a device by group, to provide the device with section The air pressure adjustment of position formula.

7. maintenance unit according to claim 5, which is characterized in that this, which connects, sets group at least one set of extension bar, wears If after the pedestal, spiral shell, which is set, to be fixed on the device.

8. maintenance unit according to claim 1, which is characterized in that the section group has a marking component, is set to The apical margin of the adjustment part, which indicates the size of each adjustment hole to default arrangement mode, and makes the row of the marking component The setting of column, according to the quantity of the adjustment hole and the relative position of adjustment hole；One index, the default portion being clear on the pedestal Position, the corresponding position towards the gas outlet direction of the index.

9. maintenance unit according to claim 8, which is characterized in that the marking component be number, letter, symbol or It is any in pattern.

10. maintenance unit according to claim 1, which is characterized in that the adjustment part is worn by the side of the pedestal After the valve member room, the other side that end then exposes to the pedestal is worn, and wear exsertion part equipped with one in the adjustment part Fixing piece enables the adjustment part in rotation stable in the valve member room.

11. maintenance unit according to claim 1, which is characterized in that the adjustment part has a head and a bar portion, The head outer diameter size is bigger than bar portion size, exposes to outside the pedestal；The bar portion then wears the pedestal.

12. maintenance unit according to claim 11, which is characterized in that the apical margin on the head is equipped with a mark group Part indicates the size of each adjustment hole to default arrangement mode, and makes the setting of the arrangement of the marking component, according to the adjustment hole The relative position of quantity and adjustment hole；One index is set on the pedestal, the corresponding position towards the gas outlet direction of the index.

13. maintenance unit according to claim 11, which is characterized in that the gas chamber is formed in the bar portion；It is each to adjust Knothole is located in the bar portion and is respectively communicated to the gas chamber.

14. maintenance unit according to claim 11, which is characterized in that the gas chamber forms one towards the bar portion root edge portion The opening room of opening；In in the opening be equipped with a closure member.