CN209059343U - Operation abrasive drilling support component and its abrasive drilling - Google Patents

Operation abrasive drilling support component and its abrasive drilling Download PDF

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Publication number
CN209059343U
CN209059343U CN201820599331.5U CN201820599331U CN209059343U CN 209059343 U CN209059343 U CN 209059343U CN 201820599331 U CN201820599331 U CN 201820599331U CN 209059343 U CN209059343 U CN 209059343U
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CN
China
Prior art keywords
water
abrasive drilling
sleeve
support pipe
outer support
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CN201820599331.5U
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Chinese (zh)
Inventor
崔勇
郭毅军
杨永波
李洪远
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Chongqing Xishan Science and Technology Co Ltd
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Chongqing Xishan Science and Technology Co Ltd
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Priority to CN201820599331.5U priority Critical patent/CN209059343U/en
Priority to PCT/CN2019/080019 priority patent/WO2019205877A1/en
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    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/16Bone cutting, breaking or removal means other than saws, e.g. Osteoclasts; Drills or chisels for bones; Trepans

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  • Health & Medical Sciences (AREA)
  • Surgery (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Biomedical Technology (AREA)
  • Medical Informatics (AREA)
  • Orthopedic Medicine & Surgery (AREA)
  • Oral & Maxillofacial Surgery (AREA)
  • Engineering & Computer Science (AREA)
  • Dentistry (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Molecular Biology (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Processing Of Stones Or Stones Resemblance Materials (AREA)
  • Surgical Instruments (AREA)

Abstract

The utility model discloses a kind of operation abrasive drilling support components and its abrasive drilling, wherein support component includes inner support tube, outer support pipe and water filling component, the outer support pipe is coated at inner support tube, inner support tube and outer support pipe radial spacing are arranged and are formed the water stream channel axially arranged, the water filling component connection is set to the rear end of water stream channel.The utility model can be effectively isolated crusher drill and its hetero-organization, and crusher drill is avoided to injure others, meanwhile, water stream channel is set in support component, effective temperature-reducing processing can be carried out to the bistrique of front end, avoids the other tissues of heat burn of bistrique.

Description

Operation abrasive drilling support component and its abrasive drilling
Technical field
The utility model relates to medical instruments fields, and in particular to a kind of operation abrasive drilling support component and its abrasive drilling.
Background technique
In medical operating, generallys use abrasive drilling tool and internal bone tissue is ground, and it is existing for bone tissue For grinding method including manually and electronic, structure is relatively coarse, and can not be real to the lesser operative site in some operating spaces Now fine polishing, such as Er Nei or intranasal wait positions operation.Especially in actual surgery process, the rotation of electric grinding mode high speed The other tissues of easy damaged on rear side of the mill bar turned, and the scorching hot damage of tissue is also be easy to cause after the fever of front end bistrique.
Utility model content
In view of this, providing a kind of operation abrasive drilling branch the purpose of the utility model is to overcome defect in the prior art Support component and its abrasive drilling can effectively avoid the damage of other tissues, and easy to operate, effectively avoid bistrique fever to tissue Scorching hot damage.
The operation of the utility model abrasive drilling support component, including inner support tube, outer support pipe and water filling component, it is described outer Support tube is coated at inner support tube, and inner support tube and outer support pipe radial spacing are arranged and are formed the water stream channel axially arranged, The water filling component connection is set to the rear end of water stream channel.
Further, the water filling component be connected to that be set to water flow logical in a manner of it can rotate around the central axis of outer support pipe The rear end in road.
Further, the water filling component includes the water-filling nozzle for being fixed on outer support pipe, the rear end side wall of the outer support pipe Water injection hole is offered, the water-filling nozzle is aligned and is connected to water injection hole, the water outlet of water-filling nozzle and the inlet seal of water injection hole Connection.
Further, the water filling component include rotating jacket in outer support pipe irrigation sleeve and be fixed on the water filling of irrigation sleeve Mouth, the rear end side wall of the outer support pipe offer at least one water injection hole, and the irrigation sleeve is located at water injection hole, irrigation sleeve with Water injection hole forms annular waterflood path, and the water-filling nozzle is connected to through annular waterflood path with the water injection hole.
Further, the irrigation sleeve inner wall forms annular groove, the annular groove and the outer support after being recessed inwardly Pipe outer wall, which is enclosed, to be set to form the annular waterflood path;Or the water injection hole is the annular through-hole around outer support caliber Xiang Yizhou, institute It states annular through-hole and the irrigation sleeve inner wall encloses and sets to form the annular waterflood path;Or the irrigation sleeve and outer support pipe are along diameter It is arranged to spacing and forms the annular waterflood path.
Further, be provided between the irrigation sleeve and outer support pipe the preceding sealing ring for being located at water injection hole two sides and after Sealing ring.
Further, the front end of the irrigation sleeve is provided with fixed jacket in the positioning sleeve of outer support pipe, and rear end is provided with solid Due to the connector sleeve of outer support pipe, after the rear end inner circle of the positioning sleeve and the front end inner circle of connector sleeve are radially recessed Outer land is formed, the both ends outer circle of the irrigation sleeve forms interior with corresponding outer land overlap joint cooperation after being recessed radially inward Land.
Further, outer support pipe rear end is fixedly installed connector sleeve, the rear end inner cavity of the connector sleeve along axial direction from Front to back is disposed with guide sleeve, bearing and plug screw, and connector sleeve rear end inner cavity and axial is placed in the plug screw screw thread Locking and the fixed bearing of extruding and guide sleeve.
Further, the front end of the abrasive drilling support component is provided with along the apopore being axially discharged, and the apopore is more It is a and circumferentially spaced.
It further, further include the top cover for being supported in inner support tube and outer support caliber between, the top cover inner wall depression The axial inner stripe slot of a plurality of circumferentially-spaced distribution is formed, the axial direction inner stripe slot inner wall encloses to set to be formed with inner support tube outer wall The apopore.
Further, the top cover front end extends axially forward the extension to be formed positioned at inner support tube and outer support pipe front end Section, the axial direction inner stripe slot penetrate through the extended segment, and the extended segment inner sleeve is provided with axle sleeve, the contracting of axle sleeve rear end outer circle Inner support tube front end is placed in fixing after diameter.
Further, the axle sleeve outer wall and the axial inner stripe slot enclose the leading portion for setting and forming the apopore;Or it is described Sleeve outer circle is provided with the outside strip groove of axis corresponding with axial inner stripe slot of performing the operation, perform the operation axial inner stripe slot and the outside item of axis Shape slot combines the leading portion to form the apopore.
The invention also discloses a kind of abrasive drilling, the operation abrasive drilling including abrasive drilling handle, crusher drill and above structure Support component, the operation is coated at crusher drill with abrasive drilling support component, and the operation abrasive drilling support component can with length The mode of tune is fixed on abrasive drilling handle.
The beneficial effects of the utility model are: a kind of operation abrasive drilling support component and its mill disclosed by the utility model It bores, crusher drill and its hetero-organization can be effectively isolated, crusher drill is avoided to injure others, meanwhile, it is arranged in support component Water stream channel can carry out effective temperature-reducing processing to the bistrique of front end, avoid the other tissues of heat burn of bistrique.
Detailed description of the invention
The utility model is further described with reference to the accompanying drawings and examples:
Fig. 1 is the structural schematic diagram of the utility model;
Fig. 2 is enlarged drawing at A in Fig. 1;
Fig. 3 is the structural schematic diagram of top cover in the utility model;
Fig. 4 is the structural schematic diagram of abrasive drilling in the utility model;
Drawing reference numeral explanation: 1, inner support tube;2, outer support pipe;3, irrigation sleeve;4, water-filling nozzle;5, water injection hole;6, preceding close Seal;7, rear sealing ring;8, positioning sleeve;9, connector sleeve;10, interior land;11, outer land;12, guide sleeve;13, bearing;14, spiral shell Plug;15, top cover;16, axial inner stripe slot;17, axle sleeve;18, annular plug;19, abrasive drilling handle;20, crusher drill;21, it rotates Lock tube;22, interior limited step;23, outer limited step;24, the outside strip groove of axis.
Specific embodiment
Fig. 1 is the structural schematic diagram of the utility model, and Fig. 2 is that enlarged drawing, Fig. 3 are top cover in the utility model at A in Fig. 1 Structural schematic diagram;Fig. 4 is the structural schematic diagram of abrasive drilling in the utility model;As shown, the operation in the present embodiment is ground Support component, including inner support tube 1, outer support pipe 2 and water filling component are bored, the outer support pipe 2 is coated at inner support tube 1, interior Support tube 1 and 2 radial spacing of outer support pipe are arranged and are formed the water stream channel axially arranged, the water filling component connection is set to The rear end of water stream channel;Specifically, crusher drill is installed in abrasive drilling support component, before crusher drill includes mill bar and is connected to mill bar The bistrique at end is placed on inner support tube 1 in mill bar rotation, and bistrique stretches out inner support tube 1 and is ground, and bores the rear end peace of support component Front end loaded on abrasive drilling handle is provided with radial support between the inside and outside support tube 2, guarantees that radial spacing is stablized.Radial branch There are many modes of support, for example, inner support tube 1 and 2 rear end of outer support pipe radially between be provided with annular plug 18, annular is stifled First 18 for blocking water stream channel end, and annular plug 18 is also used to form radial branch in inner support tube 1 and 2 rear end of outer support pipe Support;Can inner support tube 1 and 2 front end of outer support pipe radially between top cover 15 is set, be used to form pair of interior support pipe 1 and outer branch The radial support of 2 front end of stay tube;Also multiple supporting tables can be set to form diameter in the interlude of inner support tube 1 and outer support pipe 2 To support.The rear end of support component indicates close to abrasive drilling handle end, otherwise is front end.Water stream channel front end is provided with water outlet, Rear end is provided with water filling component, connection component of the water filling component particularly for connection installation water injection pipe.When cooling water passes through note Water pipe flows through water filling component, flows ultimately into water stream channel, and cooling water is on the one hand made to form cooling between interior outer support pipe Barrier avoids crusher drill from transferring heat on outer support pipe, and operator can grasp outer support pipe in order to more precise control The operating position of crusher drill;Another aspect cooling water takes away the heat that mill bar is transmitted in inner support tube, be conducive to mill bar into Row cooling, improves the mill bar service life;Third, cooling water can also be flowed out by the water outlet of water stream channel front end, be carried out to bistrique Cooling, avoids the scorching hot damage of tissue;4th, due to the setting of double layer support pipe, cooling water will not directly contact mill bar, avoid Cooling water is to resistance caused by mill bar rotation, it is ensured that crusher drill rotary grinding efficiency.
From the foregoing, it will be observed that the present embodiment can be effectively isolated crusher drill and its hetero-organization by support component, crusher drill is avoided Others are injured, meanwhile, water stream channel is set in support component, effective temperature-reducing processing can be carried out to the bistrique of front end, Avoid the other tissues of heat burn of bistrique.
In the present embodiment, the water filling component is connected in a manner of it can rotate around the central axis of outer support pipe 2 and is set to The rear end of water stream channel;Water filling component is arranged around to the central axis rotation of outer support pipe 2, when cooling water pipe is connected to note After on water assembly, no matter which kind of angle operator uses hold abrasive drilling and abrasive drilling handle, and can fill the water component by rotation will Cooling water pipe is arbitrarily adjusted to comfortable position, or allows cooling water pipe that water filling component is driven to naturally droop, and can effectively avoid cooling Interference of the water pipe to gripping, improves the efficiency of operation.
In one embodiment, the water filling component includes the water-filling nozzle 4 for being fixed on outer support pipe 2, after the outer support pipe 2 End side wall offers water injection hole 5, and the water-filling nozzle 4 is aligned and is connected to water injection hole 5, the water outlet and water injection hole 5 of water-filling nozzle 4 Inlet seal connection.When filling the water central axis rotation of the component around outer support pipe 2, water-filling nozzle 4 is driven outer support pipe 2 weeks To rotation;If outer support pipe 2 and inner support tube 1 are circumferentially fixed, inner support tube 1 rotates in a circumferential direction with outer support pipe 2;If outer support Pipe 2 and inner support tube 1 are circumferential slidably, then outer support pipe 2 and inner support tube 1 week can be realized by modes such as bearing, sealing rings To sliding and radial support.In addition, the water filling component may also include the irrigation sleeve 3 for being coated at outer support pipe 2, water-filling nozzle 4 is passed through Irrigation sleeve 3 is worn and is fixed on, irrigation sleeve 3 is provided with the connection for being conducive to reinforce water-filling nozzle 4 and water injection hole 5;When water filling component around When the central axis rotation of outer support pipe 2, irrigation sleeve 3 rotates together with water-filling nozzle 4.The above structure makes abrasive drilling support component knot Structure is simple, is easily worked.
In another embodiment, the water filling component includes rotating jacket in the irrigation sleeve 3 of outer support pipe 2 and is fixed on water filling The water-filling nozzle 4 of set 3, the rear end side wall of the outer support pipe 2 offer at least one water injection hole 5, and the irrigation sleeve 3 is located at water filling At hole 5, irrigation sleeve 3 and water injection hole 5 form annular waterflood path, and the water-filling nozzle 4 is through annular waterflood path and the water injection hole 5 connections;When filling the water central axis rotation of the component around outer support pipe 2, outer support pipe 2 is solid in the circumferential with inner support tube 1 It is fixed, be conducive to operator and hold the accurate control that outer support pipe 2 realizes abrasive drilling position.Further, irrigation sleeve 3 and water injection hole 5 Formed annular waterflood path mode can there are many, in one embodiment, 3 inner wall of irrigation sleeve forms ring after being recessed inwardly Connected in star, annular groove and 2 outer wall of outer support pipe, which enclose, to be set as the annular waterflood path, and water-filling nozzle 4 and water injection hole 5 connect It passes through at annular groove;In the second embodiment, water injection hole 5 is around the radial one week annular through-hole of outer support pipe 2, by outer branch Stay tube 2 is separated into two sections of front and back, and annular through-hole and the irrigation sleeve inner wall, which enclose, to be set to form the annular waterflood path, water-filling nozzle 4 Water outlet correspond to annular through-hole position;In third embodiment, the irrigation sleeve and outer support pipe radially spacing Setting forms gap, and the gap forms the annular waterflood path.No matter three of the above mode fills the water component radially such as What is rotated, and water-filling nozzle 4 is connected to water injection hole 5, and structure is simple, is easily assembled, and flood effectiveness is good.Specifically, the note Water hole 5 can be one or more, when water injection hole 5 is multiple, circumferentially-spaced distribution of multiple water injection holes 5 along outer support pipe 2, and note Water hole 5 can be circular hole or kidney slot.
Further, be provided between irrigation sleeve 3 and outer support pipe 2 the preceding sealing ring 6 for being located at 5 two sides of water injection hole and Sealing ring 7 afterwards;As described in Figure, the water-filling nozzle 4 can vertical or inclination be fixed on irrigation sleeve 3, the inner circle portion of the irrigation sleeve 3 Dividing the installation annular groove for being radially recessed and being formed for installing sealing ring, the preceding sealing ring 6 and rear sealing ring 7 are O-ring seals, By rotate irrigation sleeve 3 can be realized water-filling nozzle 4 rotate, structure is simple, processing, assembling and it is easy to use.
In the present embodiment, the front end of the irrigation sleeve 3 is provided with fixed jacket in the positioning sleeve 8 of outer support pipe 2, and rear end is set It is equipped with the connector sleeve 9 for being fixed on outer support pipe 2, the front end inner circle of the rear end inner circle of the positioning sleeve 8 and connector sleeve 9 is radially Outer land 11 is formed after recess outward, the both ends outer circle of the irrigation sleeve 3 is formed and corresponding outer ring after being recessed radially inward The interior land 10 of the overlap joint cooperation of platform 11;Specifically, the connector sleeve 9 is used to support component being installed on abrasive drilling handle.Pass through The cooperation of the overlap joint of interior land 10 and outer land 11, can be realized and position to irrigation sleeve 3 along axial direction, be conducive to water filling component rotation It is smooth;It realizes simultaneously and irrigation sleeve 3 is radially limited, guarantee that the pressing force of sealing ring is uniform and stable, improve sealing effect.
In the present embodiment, 2 rear end of outer support pipe is fixedly installed connector sleeve 9, and the connector sleeve 9 will be for that will support group Part is installed on abrasive drilling handle, connector sleeve 9 can also the rear end of pair of interior support pipe 1 play fixed effect.After the connector sleeve 9 End inner cavity is disposed with guide sleeve 12, bearing 13 and plug screw 14 along axial direction from front to back;Specifically, as shown, the company The rear end intracavity diameter of female connector 9 is larger, and the guide sleeve 12 and bearing 13 are fixed along axial compression, and the front end face of guide sleeve 12 squeezes It is pressed on the limited step side wall that 9 inner circle of connector sleeve is set, bearing 13 is rolling bearing, is placed on connection in 14 screw thread of plug screw Simultaneously axial locking guide sleeve 12 and bearing 13, bearing 13 form radial support for the rear end inner cavity of set 9, guarantee crusher drill slow-roll stabilization Property it is high, and guide sleeve 12 facilitates crusher drill guiding to penetrate inner support tube inner cavity, meanwhile, the rotation of plug screw 14 is locked, and effectively mentions High crusher drill installation effectiveness.
In the present embodiment, the front end of the abrasive drilling support component is provided with along the apopore being axially discharged, the apopore It is multiple and circumferentially spaced;In one embodiment, inner support tube 1 and 2 front end of outer support pipe form the end of closure, Multiple apopores are opened up on the end of closure, reach cooling water after crusher drill axially outflow at bistrique and grinding tissue, To bistrique and tissue cooling and rinse.The water flowing out structure is conducive to improve cooling efficiency, guarantees to be quickly cooled down bistrique, meanwhile, it is conducive to Operative site is effectively rinsed, operation form is improved.
It further include the top cover 15 being supported between 2 radial direction of inner support tube 1 and outer support pipe, the top cover in the present embodiment 15 inner wall depressions form the axial inner stripe slot 16 of a plurality of circumferentially-spaced distribution, 16 inner wall of axial direction inner stripe slot and inner support 1 outer wall of pipe, which encloses, to be set to form the apopore;Preferably, the section of the axial inner stripe slot 16 is arc, axial inner stripe slot 16 quantity is three or four, and is circumferentially evenly spaced on, and easy to process, water flow is of moderate size, and passes through top cover 15, It is prepared conducive to the processing of apopore.15 outer circle of top cover is supported in 2 inner circle of outer support pipe, and 15 inner circle of top cover is supported in interior branch 1 outer circle of stay tube, by control top cover 15 thickness, guarantee inside and outside support tube 2 radially between spacing it is reliable and stable.
In the present embodiment, the inner circle of 15 rear end of top cover convexes to form radially inward axially presses on inner support tube 1 The interior limited step 22 of front end face, the outer circle of 15 rear end of top cover radially convex to form axial before pressing on outer support pipe 2 The outer limited step 23 of end face, interior limited step 22 form axis with outer limited step 23 difference pair of interior support pipe 1 and outer support pipe 2 To limit.
In another embodiment, 15 front end of top cover extends axially forward to be formed positioned at inner support tube 1 and outer support The extended segment of 2 front end of pipe, the axial direction inner stripe slot 16 penetrate through the extended segment, and the extended segment inner sleeve is provided with axle sleeve 17, 1 front end of inner support tube is placed in fixing after the 17 rear end outer circle undergauge of axle sleeve;The inner circle of the axle sleeve 17 and the mill of crusher drill Bar matching can be used for carrying out radial positioning to crusher drill, guarantee the stability of crusher drill.
In one embodiment, 17 outer wall of axle sleeve and the axial inner stripe slot 16 of 15 extended segment of top cover are enclosed and are set The leading portion of the apopore is formed, 17 structure of axle sleeve is simple, easy to process.In another embodiment, outside the axle sleeve 17 Circle is provided with 24 groups of the outside strip groove 24 of axis corresponding with axial inner stripe slot 16, axial inner stripe slot 16 and the outside strip groove of axis Conjunction forms the biggish apopore of section, which is conducive to increase apopore water flow, guarantees good cooling results.
The invention also discloses a kind of abrasive drillings, including being coated at for abrasive drilling handle 19, crusher drill 20 and above structure The operation of crusher drill 20 abrasive drilling support component, the operation are fixed on abrasive drilling with abrasive drilling support component in a manner of length-adjustable Handle 19;It is noted that the length that the adjustable expression support component of the length of support component exposes to abrasive drilling handle 19 is adjustable, it can The support component of different length is replaced, i.e. change support component length is realized, the support component reality that slides axially can also be passed through It is existing.By by operation with abrasive drilling support component be arranged length it is adjustable, when install different length crusher drill 20, pass through adjusting abrasive drilling Support component length controls 20 front end protruded length of crusher drill, guarantees the stability and safety of crusher drill 20.The abrasive drilling Settable rotation lock tube 21 carries out axial locking or release to support component on handle 19, and moves axially support component, with reality Existing length adjustment.The rotation lock tube 21 is existing structure by the structure of rotation locking or release support component, herein no longer It repeats.
Finally, it is stated that above embodiments are merely intended for describing the technical solutions of the present application, but not for limiting the present application, although ginseng The utility model is described in detail according to preferred embodiment, those skilled in the art should understand that, it can be to this The technical solution of utility model is modified or replaced equivalently, without departing from the objective and model of technical solutions of the utility model It encloses, should all cover in the scope of the claims of the utility model.

Claims (13)

1. a kind of operation abrasive drilling support component, it is characterised in that: described including inner support tube, outer support pipe and water filling component Outer support pipe is coated at inner support tube, and inner support tube and outer support pipe radial spacing, which are arranged and form the water flow axially arranged, leads to Road, the water filling component connection are set to the rear end of water stream channel.
2. operation abrasive drilling support component according to claim 1, it is characterised in that: the water filling component is with can be around outer branch The mode of the central axis rotation of stay tube is connected to the rear end for being set to water stream channel.
3. operation abrasive drilling support component according to claim 2, it is characterised in that: the water filling component includes being fixed on The water-filling nozzle of outer support pipe, the rear end side wall of the outer support pipe offer water injection hole, and the water-filling nozzle is aligned simultaneously with water injection hole Connection, the water outlet of water-filling nozzle and the inlet seal of water injection hole connect.
4. operation abrasive drilling support component according to claim 2, it is characterised in that: the water filling component includes that rotation is outer It is placed on the irrigation sleeve of outer support pipe and is fixed on the water-filling nozzle of irrigation sleeve, the rear end side wall of the outer support pipe offers at least one A water injection hole, the irrigation sleeve are located at water injection hole, and irrigation sleeve and water injection hole form annular waterflood path, and the water-filling nozzle is through ring Shape waterflood path is connected to the water injection hole.
5. operation abrasive drilling support component according to claim 4, it is characterised in that: the irrigation sleeve inner wall is recessed inwardly After form annular groove, the annular groove and outer support pipe (2) outer wall enclose and set to form the annular waterflood path;Or institute Stating water injection hole is around radial one week annular through-hole of outer support pipe (2), and the annular through-hole and the irrigation sleeve inner wall enclose and set shape At the annular waterflood path;Or radially spacing be arranged and forms the annular water filling and leads to for the irrigation sleeve and outer support pipe Road.
6. operation abrasive drilling support component according to claim 5, it is characterised in that: the irrigation sleeve and outer support pipe it Between be provided with the preceding sealing ring and rear sealing ring for being located at water injection hole two sides.
7. operation abrasive drilling support component according to claim 4, it is characterised in that: the front end of the irrigation sleeve is provided with For fixed jacket in the positioning sleeve of outer support pipe, rear end is provided with the connector sleeve for being fixed on outer support pipe, the rear end of the positioning sleeve Inner circle and the front end inner circle of connector sleeve form outer land after being radially recessed, and the both ends outer circle of the irrigation sleeve is along diameter To the interior land formed after being recessed inwardly and corresponding outer land overlap joint cooperates.
8. operation abrasive drilling support component according to claim 1, it is characterised in that: the fixation of outer support pipe rear end is set It is equipped with connector sleeve, the rear end inner cavity of the connector sleeve is disposed with guide sleeve, bearing and plug screw along axial direction from front to back, described It is placed on connector sleeve rear end inner cavity in plug screw screw thread and the bearing and guide sleeve are fixed in axial locking and extruding.
9. operation abrasive drilling support component according to claim 1, it is characterised in that: the front end of the abrasive drilling support component It is provided with along the apopore being axially discharged, the apopore is multiple and circumferentially spaced.
10. operation abrasive drilling support component according to claim 9, it is characterised in that: further include being supported in inner support tube And top cover of the outer support caliber between, the top cover inner wall depression form the axial inner stripe slot of a plurality of circumferentially-spaced distribution, The axial direction inner stripe slot inner wall and inner support tube outer wall enclose and set to form the apopore.
11. it is according to claim 10 operation use abrasive drilling support component, it is characterised in that: the top cover front end along axial direction to Before extend to form positioned at the extended segment of inner support tube and outer support pipe front end, the axial direction inner stripe slot penetrates through the extended segment, The extended segment inner sleeve is provided with axle sleeve, is placed on inner support tube front end in fixation after the axle sleeve rear end outer circle undergauge.
12. operation abrasive drilling support component according to claim 11, it is characterised in that: the axle sleeve outer wall and the axis Inside strip groove encloses the leading portion for setting and forming the apopore;Or the sleeve outer circle be provided with it is corresponding with axial inner stripe slot of performing the operation The outside strip groove of axis, axial inner stripe slot of performing the operation combines the leading portion to form the apopore with the outside strip groove of axis.
13. a kind of abrasive drilling, it is characterised in that: including abrasive drilling handle, crusher drill and such as claim 1-12 any claim institute The operation stated abrasive drilling support component, the operation are coated at crusher drill, and operation abrasive drilling branch with abrasive drilling support component Support component is fixed on abrasive drilling handle in a manner of length-adjustable.
CN201820599331.5U 2018-04-25 2018-04-25 Operation abrasive drilling support component and its abrasive drilling Active CN209059343U (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
CN201820599331.5U CN209059343U (en) 2018-04-25 2018-04-25 Operation abrasive drilling support component and its abrasive drilling
PCT/CN2019/080019 WO2019205877A1 (en) 2018-04-25 2019-03-28 Abrasion drill supporting assembly for operation and abrasion drill thereof

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201820599331.5U CN209059343U (en) 2018-04-25 2018-04-25 Operation abrasive drilling support component and its abrasive drilling

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CN110497311A (en) * 2019-08-30 2019-11-26 浙江司贝宁精工科技有限公司 A kind of grinding head mechanism with refrigerating function
CN114346693A (en) * 2022-03-10 2022-04-15 常州市天磊传动机械有限公司 Automatic machining device and method for valve sealing structure

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CN110497311A (en) * 2019-08-30 2019-11-26 浙江司贝宁精工科技有限公司 A kind of grinding head mechanism with refrigerating function
CN114346693A (en) * 2022-03-10 2022-04-15 常州市天磊传动机械有限公司 Automatic machining device and method for valve sealing structure
CN114346693B (en) * 2022-03-10 2022-05-24 常州市天磊传动机械有限公司 Automatic machining device and method for valve sealing structure

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