CN108326791B - A kind of automobile high pressure line pre-tightening tool - Google Patents
A kind of automobile high pressure line pre-tightening tool Download PDFInfo
- Publication number
- CN108326791B CN108326791B CN201810007847.0A CN201810007847A CN108326791B CN 108326791 B CN108326791 B CN 108326791B CN 201810007847 A CN201810007847 A CN 201810007847A CN 108326791 B CN108326791 B CN 108326791B
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- positioning
- positioning sleeve
- hole
- high pressure
- pressure line
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
- B25B27/00—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for
- B25B27/02—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for for connecting objects by press fit or detaching same
- B25B27/023—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for for connecting objects by press fit or detaching same using screws
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Clamps And Clips (AREA)
Abstract
The invention discloses a kind of automobile high pressure line pre-tightening tools, including positioning sleeve and positioning seat, the inner hole for accommodating positioning sleeve is equipped in the positioning seat, it is detachably connected between the positioning sleeve and positioning seat, the through-hole axially arranged is equipped in the positioning sleeve, one outer end of the through-hole is equipped with internal thread segment, and the middle part of the through-hole, which is equipped with, pre-tightens the conical surface and positioning counterbore, and the positioning counterbore is connected to the small bore end for pre-tightening the conical surface.The present invention is intended to provide a kind of automobile high pressure line pre-tightening tool for guaranteeing sealing effect, avoiding reclamation work, improving production efficiency.
Description
Technical field
The invention belongs to automobile high pressure line field more particularly to a kind of automobile high pressure line pre-tightening tools.
Background technique
Bipyramid cutting ferrule, the fixed device of attaching nut need to tighten by hand on general assembly line at present, such as Chinese patent notification number:
CN201739675U discloses a kind of mesohigh oil way flexible pipe coupling structure, including connection body, resin hose, hollow nut
With bipyramid cutting ferrule, connection body is provided with internal screw thread, and hollow nut is provided with external screw thread, is additionally provided with a rigidity nylon bush
Pipe, rigidity nylon bush pipe are inserted in the inner hole of resin hose, and hollow nut and bipyramid cutting ferrule are covered in the periphery of resin hose
On, hollow nut is to be spirally connected with connection body.
However, in this way in coupling structure because connection screw thread length is longer, tighten by hand consumption take time it is longer, and it is manual
Tighten, it is more demanding for assembler, bipyramid cutting ferrule and high pressure line be easy there are poor sealing, gap is uneven the problems such as,
Lead to the leakage problem at relief valve seam, need to the bipyramid cutting ferrule on the attaching nut to pressure reducing valve and high pressure line tear open
Work is solved, also needs to be cut using cutting machine when necessary, then ressembles bipyramid cutting ferrule and attaching nut, reclamation work again
Amount is big, takes long time.
Summary of the invention
The present invention is to provide a kind of guarantee sealing effect in order to overcome above-mentioned deficiency in the prior art, avoid reprocessing
Work, the automobile high pressure line pre-tightening tool for improving production efficiency.
To achieve the goals above, the invention adopts the following technical scheme:
A kind of automobile high pressure line pre-tightening tool, including positioning sleeve and positioning seat, the positioning seat are interior fixed equipped with accommodating
The inner hole of position set, is detachably connected between the positioning sleeve and positioning seat, and the through-hole axially arranged, institute are equipped in the positioning sleeve
An outer end for stating through-hole is equipped with internal thread segment, and the middle part of the through-hole, which is equipped with, pre-tightens the conical surface and positioning counterbore, and the positioning is heavy
Hole is connected to the small bore end for pre-tightening the conical surface.Through-hole, positioning counterbore, the preload conical surface and internal thread segment are sequentially communicated, and high pressure line can
To protrude into from one end of through-hole setting internal thread segment, the port position of high pressure line is mobile from internal thread segment to positioning counterbore, and
It enters eventually into positioning counterbore.Internal screw thread in internal thread segment is used to be threadedly engaged with the attaching nut on high pressure line, when
When tightening attaching nut, attaching nut inwardly squeezes bipyramid cutting ferrule, after the bipyramid cutting ferrule on high pressure line is pressurized, outer end
The conical surface and preload taper-face contact.When attaching nut further tightens, attaching nut pushes bipyramid cutting ferrule and pre-tightens the conical surface and compresses,
The conical surface for pre-tightening conical surface extruding bipyramid cutting ferrule makes its deformation, bipyramid cutting ferrule and high pressure line clamping and is maintained at fixed form.?
Bipyramid cutting ferrule compress deformation during, positioning counterbore can be supported and position to the end of high pressure line, pre-tighten the conical surface with
Cooperation between the bipyramid cutting ferrule conical surface, so that bipyramid cutting ferrule and high pressure line are maintained at middle position, so that bipyramid cutting ferrule stress
More uniformly, the deformation uniformity coefficient for improving bipyramid cutting ferrule, to improve the leakproofness of bipyramid cutting ferrule and high pressure line.
Preferably, the axial length of the positioning sleeve is greater than the axial length of inner hole, the positioning sleeve is far from internal screw thread
The side wall of Duan Yiduan is equipped with locating slot, be equipped in the locating slot with positioning seat outer surface against positioning plate, the positioning plate
It is bolted between positioning seat.By positioning plate, the axial and circumferential of positioning sleeve are limited, and are consolidated using bolt
It is fixed, to limit the freedom degree of positioning sleeve, guarantee that positioning sleeve and positioning seat are fixed reliable.Meanwhile changing because of actual needs
Occur after high pressure line, bipyramid cutting ferrule and attaching nut's size, or after used a period of time, inside positioning sleeve larger
When loss, positioning sleeve can be replaced in time, to save manufacturing cost and the time of tooling.
Preferably, being equipped in the positioning sleeve can set on the locating piece that positioning sleeve moves radially, the locating piece
There is the location hole being connected to the big nose end for pre-tightening the conical surface, the outer rim of the location hole is equipped with the guide cone to location hole internal stretch
Face.In this way, locating piece has certain activity space in positioning sleeve, when in the location hole that high pressure line enters locating piece
When, high pressure line end contact guiding the conical surface, locating piece can automatic fine tuning to adapt to the end position of high pressure line, to improve
Centering degree between high pressure line and bipyramid cutting ferrule, so that the deformation of bipyramid cutting ferrule is more uniform.
Preferably, the location hole is equipped with several pressures that may pass through location hole inner wall, act on to pilot hole axes
Column, the big nose end for pre-tightening the conical surface, which is equipped with, can be equipped with while be acted on along the traveller that location hole moves radially, the locating piece
Actuation arm in traveller outer end and compression leg outer end, the actuation arm and locating piece rotation connection, set between actuation arm and locating piece
There is the torsional spring that actuation arm can be made to compress traveller.When high pressure line end enters location hole, bipyramid cutting ferrule and pre-tighten the conical surface close to when,
The conical surface of bipyramid cutting ferrule pushes traveller to be displaced outwardly, and drives compression leg mobile to the middle part of bipyramid cutting ferrule by actuation arm, thus right
Bipyramid cutting ferrule carries out clamping, to guarantee that pre-tightening the conical surface can act on completely on the conical surface of bipyramid cutting ferrule, prevent bipyramid cutting ferrule
Middle part is heaved, to guarantee that bipyramid cutting ferrule and high pressure line pre-tighten reliable and stable, favorable sealing property.Meanwhile it completing
It is pre- next, actuation arm under the effect of torsion spring acting in opposition in bipyramid cutting ferrule, rotate backward attaching nut, high pressure line is moved out
When dynamic, bipyramid cutting ferrule can be assisted to separate with the conical surface is pre-tightened, the two is avoided to stick together.
Preferably, being equipped with the sliding slot radially arranged along positioning sleeve, the locating piece and sliding slot in the positioning sleeve
It is slidably matched, the both ends of the sliding slot are respectively equipped with the limit plate that can be in contact with locating piece end face, and the limit plate direction is fixed
The one side of position block is equipped with reset spring.Locating piece relative positioning set has certain sliding ability, and is carried out by reset spring
Precompressed and can be located at center, improve for high pressure line adaptability.
Preferably, the compression leg includes that body, lid and effect cylinder, the body are fixedly connected with shape with lid
At the inner cavity for receiving effect cylinder, it is equipped with pressure spring between the inner cavity and effect cylinder, the inner wall of the body is equipped with
Inner edge is limited, the effect cylinder is equipped with the limit outer rim that can be offseted with defining flange.In this way, compression leg acts on bipyramid cutting ferrule
When, there is certain buffering effect, energy effective protection bipyramid cutting ferrule avoids being damaged, and compression leg is suitable for the radial dimension of bipyramid cutting ferrule
Should be able to power it is also stronger.
Preferably, being equipped with rotatable driving lever in the positioning sleeve, the outer end of the driving lever stretches out in positioning sleeve
End face, the inner end of the driving lever is equipped with the mandril of rotation connection, and the mandril is equipped with the pilot hole of bar shaped, the positioning sleeve
In be equipped with the guide pin that is slidably matched with pilot hole, the inner end of the mandril is equipped with effect wheel, and the effect wheel can be with work
With the end thereof contacts of the nearly traveller of arm rest, interior be equipped with of the positioning sleeve makes driving lever inner end far from the tension spring of traveller.When bipyramid cutting ferrule
When processing dimension error is larger or tooling pre-tightens the conical surface larger abrasion of appearance after using for a longer period, it is possible that bipyramid
The case where cutting ferrule can not be pre-tightened with high pressure line and be fixed, and bipyramid cutting ferrule and the preload conical surface stick together, passes through driving lever at this time
Mandril is driven, mandril acts on actuation arm, is detached from bipyramid cutting ferrule with the conical surface is pre-tightened by traveller, personnel convenient for assembly will
Bipyramid cutting ferrule takes out.
Preferably, the driving lever is equipped with shaft hole, the shaft hole is in driving lever close to one end of traveller.In this way,
The acting force arm of driving lever is longer, stir it is more laborsaving when driving lever, can conveniently induced effect arm so that traveller is inwardly stretched
Out.
The beneficial effects of the present invention are: the placed in the middle of high pressure line is effectively ensured in (1), the shape control of bipyramid cutting ferrule is more equal
It is even, improve the seal degree of interface；(2) bipyramid cutting ferrule and the pre- of high pressure line is made to be tightly connected more convenient, raising
Production efficiency；(3) it can effectively prevent bipyramid cutting ferrule to occur and tooling adhesion, guarantee working efficiency；(4) operation and maintenance is more
Convenient, use cost is lower.
Detailed description of the invention
Fig. 1 is external structure schematic diagram of the invention；
Fig. 2 is the structural schematic diagram of the embodiment of the present invention 1；
Fig. 3 is the action principle figure of the embodiment of the present invention 1；
Fig. 4 is the structural schematic diagram of the embodiment of the present invention 2；
Fig. 5 is the action principle figure of the embodiment of the present invention 2；
Fig. 6 is the partial enlarged view in Fig. 5 at A.
In figure: positioning seat 1, mounting hole 1a, wing plate 1b, positioning sleeve 2, through-hole 2a, locating slot 2b, groove body 2c, sliding slot 2d are interior
Thread segment 201, positioning plate 3, fastening bolt 4, positioning counterbore 5 pre-tighten the conical surface 6, bipyramid cutting ferrule 7, high pressure line 8, attaching nut
9, locating piece 10, location hole 10a, guiding conical surface 10b, traveller 11, actuation arm 12, shank 1201, compression leg 13, strip-shaped hole 1301,
Act on cylinder 13a, body 13b, pressure spring 13c, lid 13d, driving lever 14, tension spring 14a, limit plate 15, reset spring 15a, mandril
16, pilot hole 16a, effect wheel 16b.
Specific embodiment
The present invention will be further described with reference to the accompanying drawings and detailed description.
Embodiment 1
In embodiment as shown in Figure 1 and Figure 2, a kind of automobile high pressure line pre-tightening tool, including positioning sleeve 2 and positioning seat
It is designed with mounting hole 1a on 1, the wing plate 1b, each wing plate 1b that the bottom of positioning seat 1 is extended to two sides respectively, is passed through with facilitating
Bolt carries out installation fixation to positioning seat 1.The inner hole of perforation is equipped in positioning seat 1, inner hole is cylindrical, and positioning sleeve 2 is contained in
In inner hole.The through-hole 2a axially arranged is equipped in positioning sleeve 2, an outer end of through-hole is equipped with internal thread segment 201, the middle part of through-hole
Equipped with the conical surface 6 and positioning counterbore 5 is pre-tightened, positioning counterbore is connected to the small bore end for pre-tightening the conical surface 6, and internal thread segment 201 and preload are bored
The big nose end in face 6 is connected to, and pre-tightens the conical surface 6 towards the direction of internal thread segment 201, and through-hole, positioning counterbore, pre-tightens the conical surface 6 and interior
Thread segment 201 is coaxially arranged.
To be detachably connected between positioning sleeve 2 and positioning seat 1, the axial length of positioning sleeve 2 is greater than the axial length of inner hole,
Positioning sleeve 2 stretches out in the inner hole of positioning seat 1 far from 201 one end of internal thread segment, and the side wall at 2 end of positioning sleeve is equipped with locating slot 2b,
The centerline direction of locating slot is parallel to the radial direction of positioning sleeve 2, be equipped in locating slot with 1 outer surface of positioning seat against positioning plate
3, it sets on positioning plate 3 there are two hole location, is fixedly connected positioning plate 3 and positioning seat 1 by fastening bolt 4 with facilitating.
During actually pre-tightening, as shown in connection with fig. 3, high pressure line 8 is equipped with attaching nut 9 and bipyramid cutting ferrule 7, connection
Nut 9 and bipyramid cutting ferrule 7 are freely set on the port of high pressure line 8, and wherein bipyramid cutting ferrule 7 is closer to the end of high pressure line 8
Mouthful.By the port of high pressure line 8 together with bipyramid cutting ferrule 7 and attaching nut 9, it is inserted among through-hole from internal thread segment 201, high pressure
The port position of pipeline 8 is mobile from internal thread segment 201 to positioning counterbore, and enters eventually into positioning counterbore, heavy by positioning
Ladder position between hole and through-hole carries out axial limit.When tightening attaching nut 9, attaching nut 9 inwardly squeezes bipyramid
Cutting ferrule 7, after the bipyramid cutting ferrule 7 on high pressure line 8 is pressurized, outer end cone face is contacted with the conical surface 6 is pre-tightened.As attaching nut 9
When further tightening, attaching nut 9 pushes bipyramid cutting ferrule 7 and pre-tightens the conical surface 6 and compresses, and pre-tightens the cone that the conical surface 6 squeezes bipyramid cutting ferrule 7
Face makes its deformation, bipyramid cutting ferrule 7 and 8 clamping of high pressure line and is maintained at fixed form.It later, can by unscrewing attaching nut 9
It will complete the high pressure line 8 that bipyramid cutting ferrule 7 pre-tightens to take out, to carry out the pretensioning operation of next high pressure line 8.
Embodiment 2
In embodiment as Figure 1 and Figure 4, a kind of automobile high pressure line pre-tightening tool, including positioning sleeve 2 and positioning seat
It is designed with mounting hole 1a on 1, the wing plate 1b, each wing plate 1b that the bottom of positioning seat 1 is extended to two sides respectively, is passed through with facilitating
Bolt carries out installation fixation to positioning seat 1.The inner hole of perforation is equipped in positioning seat 1, inner hole is cylindrical, and positioning sleeve 2 is contained in
In inner hole.The through-hole axially arranged is equipped in positioning sleeve 2, an outer end of through-hole is equipped with internal thread segment 201, sets in the middle part of through-hole
Have and pre-tighten the conical surface 6 and positioning counterbore, positioning counterbore is connected to the small bore end for pre-tightening the conical surface 6, internal thread segment 201 and the preload conical surface 6
The connection of big nose end, pre-tighten the conical surface 6 towards the direction of internal thread segment 201, and through-hole, positioning counterbore, pre-tighten the conical surface 6 and internal screw thread
Section 201 is coaxially arranged.
To be detachably connected between positioning sleeve 2 and positioning seat 1, the axial length of positioning sleeve 2 is greater than the axial length of inner hole,
Positioning sleeve 2 stretches out in the inner hole of positioning seat 1 far from 201 one end of internal thread segment, and the side wall at 2 end of positioning sleeve is equipped with locating slot, fixed
The centerline direction of position slot is parallel to the radial direction of positioning sleeve 2, be equipped in locating slot with 1 outer surface of positioning seat against positioning plate 3,
It is set on positioning plate 3 there are two hole location, is fixedly connected positioning plate 3 and positioning seat 1 by fastening bolt 4 with facilitating.
Referring to figs 5 and 6, being equipped in positioning sleeve 2 can set along the locating piece 10 that positioning sleeve 2 moves radially, locating piece 10
Set the sliding slot 2d for being equipped in the inner end of internal thread segment 201, positioning sleeve 2 and radially arranging along positioning sleeve 2, locating piece 10 and sliding slot 2d
Be slidably matched, the both ends of sliding slot 2d be respectively equipped with can limit plate 15 corresponding with 10 end face of locating piece, limit plate is towards locating piece
10 one side is equipped with reset spring 15a.It pre-tightens the conical surface 6 and positioning counterbore is arranged on locating piece 10, be equipped with and use in positioning sleeve 2
In the groove body 2c of stationary positioned block 10, locating piece 10 is equipped with the location hole 10a being connected to the big nose end for pre-tightening the conical surface 6, positioning
The outer rim in hole is equipped with the guiding conical surface 10b to location hole internal stretch.
Location hole is equipped with several compression legs 13 that may pass through location hole inner wall, act on to pilot hole axes, pre-tightens the conical surface 6
Big nose end is equipped with can be along the traveller 11 that location hole moves radially.It is equipped in locating piece 10 while acting on 11 outer end of traveller and compression leg
The actuation arm 12 of 13 outer ends, wherein 13 outer end of compression leg is equipped with strip-shaped hole 1301, and one end of actuation arm 12 is equipped with to be slided with strip-shaped hole
The shank 1201 of cooperation, the other end of actuation arm 12 can be carried out with 11 outer end of traveller against.Actuation arm 12 and locating piece 10 rotate
Connection is equipped with the torsional spring that actuation arm 12 can be made to compress traveller 11 between actuation arm 12 and locating piece 10.Compression leg 13 includes body
13b, lid 13d and effect cylinder 13a, body 13b and lid are fixedly connected to form the inner cavity for receiving effect cylinder 13a,
Pressure spring 13c is equipped between inner cavity and effect cylinder 13a, the inner wall of body 13b is equipped with limit inner edge, acts on and setting on cylinder 13a
There is the limit outer rim that can be offseted with defining flange.
Rotatable driving lever 14 is equipped in positioning sleeve 2, the outer end of driving lever stretches out in the end face of positioning sleeve 2, the inner end of driving lever
Mandril 16 equipped with rotation connection, mandril are equipped with the pilot hole 16a of bar shaped, are equipped in positioning sleeve 2 and are slidably matched with pilot hole
Guide pin, the inner end of mandril is equipped with effect wheel 16b, and effect wheel can be fixed with actuation arm 12 close to the end thereof contacts of traveller 11
Being equipped in position set 2 makes tension spring 14a of the driving lever inner end far from traveller 11.Driving lever is equipped with shaft hole, and shaft hole is in driving lever close to sliding
One end of column 11.
During actually pre-tightening, high pressure line 8 is equipped with attaching nut 9 and bipyramid cutting ferrule 7, attaching nut 9 and bipyramid
Cutting ferrule 7 is freely set on the port of high pressure line 8, and wherein bipyramid cutting ferrule 7 is closer to the port of high pressure line 8.By high-voltage tube
The port of line 8 is inserted among through-hole together with bipyramid cutting ferrule 7 and attaching nut 9 from internal thread segment 201, the port of high pressure line 8
Position is mobile from internal thread segment 201 to positioning counterbore.When in the location hole that high pressure line 8 enters locating piece 10, high-voltage tube
8 end of line contact guiding conical surface 10b, locating piece 10 can be moved along sliding slot 2d, thus to adapt to the end of high pressure line 8 position
It sets.When tightening attaching nut 9, attaching nut 9 inwardly squeezes bipyramid cutting ferrule 7, bipyramid cutting ferrule 7 on high pressure line 8 by
After pressure, outer end cone face is contacted with the conical surface 6 is pre-tightened, while the conical surface of bipyramid cutting ferrule 7 pushes traveller 11 to be displaced outwardly, and passes through effect
Arm 12 drives compression leg 13 mobile to the middle part of bipyramid cutting ferrule 7, so that clamping is carried out to bipyramid cutting ferrule 7, to guarantee to pre-tighten the conical surface 6
It can act on completely on the conical surface of bipyramid cutting ferrule 7.High pressure line 8 enters eventually into positioning counterbore, by positioning counterbore and leads to
Ladder position between hole carries out axial limit.When attaching nut 9 further tightens, attaching nut 9 pushes bipyramid cutting ferrule 7
It is compressed with the conical surface 6 is pre-tightened, the conical surface for pre-tightening the extruding bipyramid cutting ferrule 7 of the conical surface 6 makes its deformation, bipyramid cutting ferrule 7 and 8 clamping of high pressure line
And it is maintained at fixed form.Later, by unscrewing attaching nut 9, the high pressure line 8 that can will complete bipyramid cutting ferrule 7 and pre-tighten
It takes out, to carry out the pretensioning operation of next high pressure line.
Claims (7)
1. a kind of automobile high pressure line pre-tightening tool, characterized in that including positioning sleeve (2) and positioning seat (1), the positioning seat
(1) it is equipped with the inner hole for accommodating positioning sleeve (2) in, is detachably connected between the positioning sleeve (2) and positioning seat (1), the positioning
The through-hole (2a) axially arranged is equipped in set (2), an outer end of the through-hole (2a) is equipped with internal thread segment (201), described logical
The middle part in hole (2a), which is equipped with, pre-tightens the conical surface (6) and positioning counterbore (5), the positioning counterbore (5) and the small bore end for pre-tightening the conical surface (6)
It is connected to, being equipped in the positioning sleeve (2) can be along the locating piece (10) that positioning sleeve (2) move radially, the locating piece (10)
Inner end in internal thread segment (201) is set, the preload conical surface (6) and positioning counterbore (5) are arranged on locating piece (10),
The groove body (2c) for stationary positioned block (10) is equipped in the positioning sleeve (2), the locating piece (10) is equipped with and preload
The location hole (10a) of the big nose end connection of the conical surface (6), the outer rim of the location hole (10a), which is equipped with to location hole (10a) is internal, prolongs
The guiding conical surface (10b) stretched.
2. a kind of automobile high pressure line pre-tightening tool according to claim 1, characterized in that the axis of the positioning sleeve (2)
It is greater than the axial length of inner hole to length, the positioning sleeve (2) is equipped with locating slot far from the side wall of internal thread segment (201) one end
(2b), be equipped in the locating slot (2b) with positioning seat (1) outer surface against positioning plate (3), the positioning plate (3) and positioning
It is bolted between seat (1).
3. a kind of automobile high pressure line pre-tightening tool according to claim 1, characterized in that the location hole (10a)
It is equipped with several compression legs (13) that may pass through location hole (10a) inner wall, act on to location hole (10a) axis, the preload conical surface
(6) big nose end, which is equipped with, can be equipped with while be acted on along the traveller (11) that location hole (10a) is moved radially, the locating piece (10)
Actuation arm (12) in traveller (11) outer end and compression leg (13) outer end, the actuation arm (12) and locating piece (10) rotation connection,
The torsional spring that actuation arm (12) can be made to compress traveller (11) is equipped between actuation arm (12) and locating piece (10).
4. a kind of automobile high pressure line pre-tightening tool according to claim 1, characterized in that in the positioning sleeve (2)
Equipped with the sliding slot (2d) radially arranged along positioning sleeve (2), the locating piece (10) is slidably matched with sliding slot (2d), the sliding slot
The both ends of (2d) be respectively equipped with can limit plate (15) corresponding with locating piece (10) end face, the limit plate (15) is towards locating piece
(10) one side is equipped with reset spring (15a).
5. a kind of automobile high pressure line pre-tightening tool according to claim 3, characterized in that the compression leg (13) includes
Body (13b), lid (13d) and effect cylinder (13a), the body (13b) and lid (13d) are fixedly connected to form and are used for
Receiving acts on the inner cavity of cylinder (13a), is equipped with pressure spring (13c) between the inner cavity and effect cylinder (13a), the body
The inner wall of (13b) is equipped with limit inner edge, and effect cylinder (13a) is equipped with the limit outer rim that can be offseted with defining flange.
6. a kind of automobile high pressure line pre-tightening tool according to claim 3, characterized in that in the positioning sleeve (2)
Equipped with rotatable driving lever (14), the outer end of the driving lever (14) stretches out in the end face of positioning sleeve (2), the driving lever (14)
Inner end is equipped with the mandril (16) of rotation connection, and the mandril (16) is equipped with the pilot hole (16a) of bar shaped, the positioning sleeve (2)
In be equipped with the guide pin that is slidably matched with pilot hole (16a), the inner end of the mandril (16) is equipped with effect wheel (16b), described
Effect wheel (16b) can be with actuation arm (12) close to the end thereof contacts of traveller (11), being equipped in the positioning sleeve (2) make driving lever
(14) tension spring (14a) of the inner end far from traveller (11).
7. a kind of automobile high pressure line pre-tightening tool according to claim 6, characterized in that set on the driving lever (14)
There is shaft hole, the shaft hole is in driving lever (14) close to the one end of traveller (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810007847.0A CN108326791B (en) | 2018-01-04 | 2018-01-04 | A kind of automobile high pressure line pre-tightening tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810007847.0A CN108326791B (en) | 2018-01-04 | 2018-01-04 | A kind of automobile high pressure line pre-tightening tool |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108326791A CN108326791A (en) | 2018-07-27 |
| CN108326791B true CN108326791B (en) | 2019-10-18 |
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ID=62923826
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810007847.0A Active CN108326791B (en) | 2018-01-04 | 2018-01-04 | A kind of automobile high pressure line pre-tightening tool |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108326791B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3743324A (en) * | 1972-03-15 | 1973-07-03 | Imp Eastman Corp | One-piece sleeve and nut coupling means |
| EP0863354A1 (en) * | 1997-03-07 | 1998-09-09 | Armaturenfabrik Hermann Voss GmbH + Co. | Pipe fitting with bite ring for metal pipes |
| CN2397345Y (en) * | 1999-09-21 | 2000-09-20 | 洪陵成 | Micro-flow high pressure fluid pipe joint |
| CN201739675U (en) * | 2010-07-21 | 2011-02-09 | 宁波三浪环球车辆部件有限公司 | Connection structure of middle and high pressure oil way flexible pipe |
| CN103201551A (en) * | 2010-10-15 | 2013-07-10 | 世伟洛克公司 | Push to connect conduit fitting with ferrule |
-
2018
- 2018-01-04 CN CN201810007847.0A patent/CN108326791B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3743324A (en) * | 1972-03-15 | 1973-07-03 | Imp Eastman Corp | One-piece sleeve and nut coupling means |
| EP0863354A1 (en) * | 1997-03-07 | 1998-09-09 | Armaturenfabrik Hermann Voss GmbH + Co. | Pipe fitting with bite ring for metal pipes |
| CN2397345Y (en) * | 1999-09-21 | 2000-09-20 | 洪陵成 | Micro-flow high pressure fluid pipe joint |
| CN201739675U (en) * | 2010-07-21 | 2011-02-09 | 宁波三浪环球车辆部件有限公司 | Connection structure of middle and high pressure oil way flexible pipe |
| CN103201551A (en) * | 2010-10-15 | 2013-07-10 | 世伟洛克公司 | Push to connect conduit fitting with ferrule |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108326791A (en) | 2018-07-27 |
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