CN205438399U - Disc brake piston extracting tool - Google Patents
Disc brake piston extracting tool Download PDFInfo
- Publication number
- CN205438399U CN205438399U CN201521129940.7U CN201521129940U CN205438399U CN 205438399 U CN205438399 U CN 205438399U CN 201521129940 U CN201521129940 U CN 201521129940U CN 205438399 U CN205438399 U CN 205438399U
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- China
- Prior art keywords
- claw
- fixed disk
- disc brake
- extracting tool
- piston
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- 210000000078 claw Anatomy 0.000 claims description 77
- 125000003003 spiro group Chemical group 0.000 claims description 9
- 230000008901 benefit Effects 0.000 abstract description 3
- 238000000926 separation method Methods 0.000 abstract 1
- 230000001737 promoting effect Effects 0.000 description 8
- 230000000694 effects Effects 0.000 description 7
- 238000010276 construction Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 230000003044 adaptive effect Effects 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 238000010009 beating Methods 0.000 description 1
- 210000000080 chela (arthropods) Anatomy 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- 230000001066 destructive effect Effects 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000010720 hydraulic oil Substances 0.000 description 1
- 238000011065 in-situ storage Methods 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000003921 oil Substances 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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- Braking Arrangements (AREA)
Abstract
The utility model discloses a disc brake piston extracting tool, including support frame, lift assembly, fixed disk and two at least jack catchs, lift assembly is used for connecting the support frame with the fixed disk, the top of jack catch with the fixed disk is connected and can be followed remove about the fixed disk, the pothook card of jack catch bottom is gone into in inner surface of the piston's the recess, when when lift assembly promotes, drive the fixed disk rebound, the fixed disk drives the jack catch rebound, the jack catch drives the piston separation. The utility model discloses a piston extracting tool has simple structure, advantage that the commonality is strong.
Description
Technical field
This utility model relates to extracting tool, particularly relates to a kind of extracting tool for dismantling disc brake piston.
Background technology
China has all kinds of transport and engineering truck several ten million platform at present, and in motor vehicle braking system, disk brake generally uses twin-tub opposed fixation clamp jaw type, and clamp is fixed on axle housing body, and brake disc is fixed on hub, rotates with wheel.During braking, from the hydraulic oil of booster pump output in inside and outside pincers oil duct to each piston cylinder, promoting piston, brake(-holder) block, pipe compress brake disc, make wheel slow down, stop, and reach to brake purpose.Due to disk brake installation site and the particularity of working environment, rainwater, mud often splash down deposition, are attached to brake surfaces, clearing up not in time, maintain, easily make dust cover aging, muddy water enters cylinder body, cause piston and cylinder body to get rusty, stuck, affect braking ability.The dismounting of disk brake is quite laborious, particularly dismantles the fixing bolt and piston got rusty.Owing to brake piston is arranged in the bore of disk brake, outside does not has the place of clamping, the most individual shallow slot on inwall, does not has specific purpose tool, dismounting to waste time and energy very much.At present, the mode of domestic dismounting brake piston has:
1) by with screwdriver or the little crowbar piecemeal sled of pad upper support; prize a lower piston and walk toward outside a bit; the most padded supporter, then prize, piston is walking toward outside a bit; owing to brake piston wall is thin; groove on inwall is the most shallow, and screwdriver or little crowbar often slip, and card is incessantly; dismantle the most time-consuming, it is sometimes desirable to dismantle and just can disassemble for more than 1 hour.
2) pressure-air is used to eject or strike ways such as shaking.But striking shakes takes the way of piston and is easily destroyed the machined surface of inside and outside clamp so that it is rugged, roughness strengthens, flatness declines, assembling quality when impact is repaired.The piston of the piston stuck for corrosion or sealing ring leakage cannot be dismantled by the method.
3) a kind of vehicle clamping disk type brake piston dismounting tool keeped in repair of Patent No. CN200820022767.4, this instrument includes T-bolt, involutory sleeve, outer sleeve, nut and stop sleeve, T-bolt, involutory sleeve and stop sleeve are all contained in the inner circle of split piston, stop sleeve and involutory sleeve are sequentially sleeved in the bottom of T-bolt, outer sleeve and nut are arranged on the top of T-bolt, and split piston can be taken out from spot-type disc brake body by fastening nut.This utility model is used easily to be disassembled by split piston.Without beating, the destructive mode such as punching to dismantle piston, protect other accessory on spot-type disc brake, improve the service life of spot-type disc brake.Alleviate the labor intensity of workman, also reduce production cost.
But, the structure of this extracting tool is complex, and is not applied for the piston that various model is different, when piston in the face of different sizes, needs to redesign a set of extracting tool.
Utility model content
The purpose of this utility model is to overcome the deficiencies in the prior art, it is provided that a kind of simple in construction, the disc brake piston extracting tool of highly versatile.
The technical solution of the utility model provides a kind of disc brake piston extracting tool, including bracing frame, promotes assembly, fixed disk and at least two claw；
Described lifting assembly is used for connecting support frame as described above and described fixed disk；
The top of described claw is connected with described fixed disk and can move left and right along described fixed disk, and the grab of described claw bottom snaps in the groove of piston inner wall；
When described lifting assembly promotes, driving described fixed disk to move up, described fixed disk drives described claw to move up, and described claw drives described piston to separate.
Further, described lifting assembly includes lift-bolt, hoisting nut and handle；
Described hoisting nut is fixing with described handle to be connected, and the bottom of described lift-bolt is connected with described fixed disk, and the top of described lift-bolt is connected through support frame as described above with described hoisting nut；
When described handle rotates, driving described hoisting nut to rotate, described hoisting nut drives described lift-bolt to move up and down.
Further, support frame as described above is U-shaped frame, and described U-shaped frame includes top board and two side arms, and described lifting assembly is connected with described top board, and two described side arms all offer vertical slotted eye.
Further, on described fixed disk relative to both sides be horizontally connected with guide spiro rod, described guide spiro rod is through described vertical slotted eye being connected by spigot nut.
Further, described claw has two, and each described claw is all horizontally connected with claw standing screw, and described claw standing screw fixes nut connection through described vertical slotted eye and by claw.
Further, described fixed disk offering two horizontal slotted eyes, the top of two described claws through described horizontal slotted eye and is connected by attaching nut.
Further, described claw being additionally provided with the round platform of projection, after the top of described claw passes described horizontal slotted eye, the lower surface at described fixed disk kept out by described round platform.
Further, the cross section of described fixed disk is circular or rectangle.
Further, described claw includes body and described grab, and described body is cylindrical, and described grab is L-shaped.
After using technique scheme, have the advantages that
This utility model drives fixed disk to move up by promoting assembly, and fixed disk drives claw to move up again.Due to the groove hook of claw Yu piston, when claw is lifted up, drives piston to be lifted up together, and now other parts of disk brake are fixed, it is achieved thereby that the dismounting of piston.Additionally, due to the top of claw can move left and right along fixed disk, claw can be applicable to the piston of different model.The advantage that piston disassembling tool of the present utility model has simple in construction, highly versatile.
Accompanying drawing explanation
Fig. 1 is the axonometric chart of piston disassembling tool in this utility model one embodiment；
Fig. 2 is the sectional view of piston disassembling tool in this utility model one embodiment；
Fig. 3 is the axonometric chart that in this utility model one embodiment, piston disassembling tool is arranged on disk brake；
Fig. 4 is the top view that in this utility model one embodiment, piston disassembling tool is arranged on disk brake；
Fig. 5 is the profile of E-E in Fig. 2；
Fig. 6 is the axonometric chart of the bracing frame of piston disassembling tool in this utility model one embodiment；
Fig. 7 is the axonometric chart of the fixed disk of piston disassembling tool in this utility model one embodiment；
Fig. 8 is the axonometric chart of the claw of piston disassembling tool in this utility model one embodiment.
Reference synopsis:
100-piston disassembling tool 200-piston 201-groove
300-disk brake
1-bracing frame 2-promotes assembly 3-fixed disk
4-claw 11-top board 12-side arm
21-lift-bolt 22-hoisting nut 23-handle
The 31-guide spiro rod 32-horizontal slotted eye of spigot nut 33-
34-attaching nut's 41-grab 42-body
43-claw standing screw 44-claw fixes nut 45-round platform
The vertical slotted eye of 111-through hole 121-
Detailed description of the invention
Further illustrate detailed description of the invention of the present utility model below in conjunction with the accompanying drawings.
" left and right " and " laterally " described in this utility model is the left and right directions in corresponding diagram 2 and Fig. 5." up and down " and " vertically " is the above-below direction in corresponding diagram 2 and Fig. 5.
As Figure 1-5, disc brake piston extracting tool 100, including bracing frame 1, promote assembly 2, fixed disk 3 and two claws 4；Promote assembly 2 to be used for connecting bracing frame 1 and fixed disk 2；The top of claw 4 is connected with fixed disk 3 and can move left and right along fixed disk 3, and the grab 41 of claw 4 bottom snaps in the groove 201 of piston 200 inwall；When promoting assembly 2 and promoting, driving fixed disk 3 to move up, fixed disk 3 drives claw 4 to move up, and claw 4 drives piston 200 to separate.
Wherein, bracing frame 1 serves the effect supporting whole extracting tool, and during use, bracing frame 1 is erected at the upper surface of disk brake 300.Fixed disk 3 serves connection and promotes assembly 2 and the effect of claw 4.Promoting assembly 2 drives claw 4 to promote by fixed disk 3.
During use, as it is shown on figure 3, first piston disassembling tool 100 to be erected at the top of disk brake 300 and corresponding with piston 200.Then, as it is shown in figure 5, the grab 41 of claw 4 is extend in the groove 201 of piston 200.Finally, promoting and carry on assembly 2, drive and carry on fixed disk 3, fixed disk 3 drives and carries on claw 4, and claw 4 finally drives piston 200 to move up.Owing to bracing frame 1 is erected at the top of disk brake 300, disk brake 300 remains stationary as, and piston 200 separates with disk brake 300 during moving up, it is achieved dismounting.Additionally, due to the top of claw 4 can move left and right along fixed disk 3, claw 4 can be applicable to the piston 200 of different model.Adjust the distance between two claws 4 by left and right, carry out the piston 200 of adaptive different size size.
Utilize piston disassembling tool of the present utility model to be dismantled by piston fast, easily, save manpower, time, improve work efficiency, and piston disassembling tool will not be caused damage.Piston disassembling tool of the present utility model is compared to existing extracting tool, simple in construction, highly versatile, it is possible to be applicable to dismantle the piston of different size size.
In the present embodiment, as shown in Figure 1-2, promote assembly 2 and include lift-bolt 21, hoisting nut 22 and handle 23；Hoisting nut 22 is fixing with handle 23 to be connected, and the bottom of lift-bolt 21 is connected with fixed disk 3, and the top of lift-bolt 21 is connected through bracing frame 1 with hoisting nut 22；When handle 23 rotates, driving hoisting nut 22 to rotate, hoisting nut 22 drives lift-bolt 21 to move up and down.
Wherein, handle 23 has two, is oppositely arranged and welds with the outer wall of hoisting nut 22.Lift-bolt 21 is threaded connection with fixed disk 3 or welds.When needs promote claw 4, turning handle 23, handle 23 drives hoisting nut 22 to rotate, and hoisting nut 22 drives lift-bolt 21 to move up again.After having dismantled, needing to be returned to by claw 4 in situ, turning handle 23 in the opposite direction, handle 23 drives hoisting nut 22 to rotate, and hoisting nut 22 drives lift-bolt 21 to move down again, it is achieved the return of claw 4.
Can also realize moving up and down by Electronic control it is preferred that promote assembly 2, more save manpower.Handle 23 can only have one, fixes with a side of hoisting nut 22 and is connected.
In the present embodiment, as shown in Figure 6, bracing frame 1 is U-shaped frame, and U-shaped frame includes top board 11 and two side arms 12, promotes assembly 2 and is connected with top board 11, two side arms 12 all offer vertical slotted eye 121.
Wherein, top board 11 is connected with the lift-bolt 21 promoting assembly 2, and lift-bolt 21 is through the through hole 111 on top board 11.Two side arms 12 are supported on the upper surface of disk brake 300.Vertical slotted eye 121 is the hole of the strip vertically extended.
The space reserved between two side arms 12, the convenient position observing claw 4, it is simple to claw 4 and the installation of piston 200, simultaneously facilitate taking-up piston 200.
It is preferred that bracing frame 1 can also use other structure, such as: bracing frame can be that cylindrical shape, fixed disk and claw are connected to inside columnar bracing frame, the sidewall of columnar bracing frame offers the opening taken out for piston.
In the present embodiment, as shown in Figure 2 and Figure 7, on fixed disk 3 relative to both sides be horizontally connected with guide spiro rod 31, guide spiro rod 31 is through vertical slotted eye 121 and passes through spigot nut 32 and connects.
Fixed disk 3 elevated assembly 2 drives when moving up and down, and guide spiro rod 31 vertically slotted eye 121 slides up and down, and guide spiro rod 31 serves the effect guiding fixed disk 3, double swerve when preventing fixed disk 3 from promoting, and affects claw 4 and is connected with piston 200.
Preferably, as shown in Figure 2 and Figure 7, fixed disk 3 offering two horizontal slotted eyes 33, the top of two claws 4 connects through horizontal slotted eye 33 and by attaching nut 34.
Wherein, horizontal slotted eye 33 is oval, and horizontal slotted eye 33 facilitates claw about 4 to adjust, it is simple to piston disassembling tool is applicable to the piston of different model.Attaching nut 34 serves the effect connecting claw 4 with fixed disk 3.
It is preferred that laterally slotted eye can be with only one of which, the top of two claws is connected with a horizontal slotted eye, and can adjustment about the direction of transversely slotted eye.
It is preferred that the cross section of fixed disk 3 is circular, or rectangle, or other irregular shapes, as long as connection can be played promote assembly 2 and the effect of claw 4, broadly fall into protection domain of the present utility model.
In the present embodiment, as shown in Figure 2 and Figure 8, claw 4 has two, and each claw 4 is all horizontally connected with claw standing screw 43, and claw standing screw 43 is through vertical slotted eye 121 and fixes nut 44 by claw and connects.
After the grab 41 of claw 4 inserts in the groove 201 with piston 200, tightening claw and fix nut 44, limit claw 4 and move at left and right directions, prevent in lifting process, the grab 41 of claw 4 is deviate from from the groove 201 of piston 200.During claw 4 promotes, claw standing screw 43 the most vertically slotted eye 121 slides, and also functions to the effect guided.
It is preferred that claw 4 can also have three, three claws 4 snap onto in the groove 201 of piston 200 simultaneously, and the connection with piston 200 is more stable.The number of claw 4 can also be more.
Preferably, as shown in Figure 2 and Figure 8, claw 4 being additionally provided with the round platform 45 of projection, after the top of claw 4 passes horizontal slotted eye 33, the lower surface at fixed disk 3 kept out by round platform 45.
Round platform 45 jointly plays the effect being connected, positioning claw 4 and fixed disk 3 with attaching nut 34.
In the present embodiment, as shown in Figure 2 and Figure 8, claw 4 includes that body 42 and grab 41, body 42 are cylindrical, and grab 41 is L-shaped.
Wherein, the top of cylindrical body 42 is threaded connection with attaching nut 34, and the grab 41 of L-shaped is conveniently inserted in the groove 201 of piston 200.
Above-described is only principle of the present utility model and preferred embodiment.It should be pointed out that, for the person of ordinary skill of the art, on the basis of this utility model principle, it is also possible to make other modification some, also should be regarded as protection domain of the present utility model.
Claims (9)
1. a disc brake piston extracting tool, it is characterised in that include bracing frame, promote assembly, fixed disk and at least two claw；
Described lifting assembly is used for connecting support frame as described above and described fixed disk；
The top of described claw is connected with described fixed disk and can move left and right along described fixed disk, and the grab of described claw bottom snaps in the groove of piston inner wall；
When described lifting assembly promotes, driving described fixed disk to move up, described fixed disk drives described claw to move up, and described claw drives described piston to separate.
Disc brake piston extracting tool the most according to claim 1, it is characterised in that described lifting assembly includes lift-bolt, hoisting nut and handle；
Described hoisting nut is fixing with described handle to be connected, and the bottom of described lift-bolt is connected with described fixed disk, and the top of described lift-bolt is connected through support frame as described above with described hoisting nut；
When described handle rotates, driving described hoisting nut to rotate, described hoisting nut drives described lift-bolt to move up and down.
Disc brake piston extracting tool the most according to claim 1, it is characterised in that support frame as described above is U-shaped frame, described U-shaped frame includes top board and two side arms, and described lifting assembly is connected with described top board, and two described side arms all offer vertical slotted eye.
Disc brake piston extracting tool the most according to claim 3, it is characterised in that on described fixed disk relative to both sides be horizontally connected with guide spiro rod, described guide spiro rod is through described vertical slotted eye being connected by spigot nut.
Disc brake piston extracting tool the most according to claim 3, it is characterized in that, described claw has two, and each described claw is all horizontally connected with claw standing screw, and described claw standing screw fixes nut connection through described vertical slotted eye and by claw.
Disc brake piston extracting tool the most according to claim 1, it is characterised in that offer two horizontal slotted eyes on described fixed disk, the top of two described claws through described horizontal slotted eye and is connected by attaching nut.
Disc brake piston extracting tool the most according to claim 6, it is characterised in that be additionally provided with the round platform of projection on described claw, after the top of described claw passes described horizontal slotted eye, the lower surface at described fixed disk kept out by described round platform.
8. according to the disc brake piston extracting tool described in any one of claim 1-7, it is characterised in that the cross section of described fixed disk is circular or rectangle.
9., according to the disc brake piston extracting tool described in any one of claim 1-7, it is characterised in that described claw includes body and described grab, described body is cylindrical, and described grab is L-shaped.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521129940.7U CN205438399U (en) | 2015-12-30 | 2015-12-30 | Disc brake piston extracting tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521129940.7U CN205438399U (en) | 2015-12-30 | 2015-12-30 | Disc brake piston extracting tool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205438399U true CN205438399U (en) | 2016-08-10 |
Family
ID=56598721
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201521129940.7U Active CN205438399U (en) | 2015-12-30 | 2015-12-30 | Disc brake piston extracting tool |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205438399U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107910685A (en) * | 2017-09-29 | 2018-04-13 | 沈阳兴华航空电器有限责任公司 | Double positioning claws |
| CN108326794A (en) * | 2018-04-23 | 2018-07-27 | 安徽江淮汽车集团股份有限公司 | The extracting tool of gear box oil capping |
| CN109773716A (en) * | 2019-03-06 | 2019-05-21 | 苏州帝达化纤机械制造有限公司 | A kind of filament spinning component dismantling device |
| CN112223201A (en) * | 2020-09-29 | 2021-01-15 | 广东电网有限责任公司 | Auxiliary tool for separating transformer bushing from top sleeve |
| CN112388561A (en) * | 2019-08-15 | 2021-02-23 | 中国航发商用航空发动机有限责任公司 | Sealing element assembling and disassembling tool |
| CN113427432A (en) * | 2020-03-23 | 2021-09-24 | 中国航发商用航空发动机有限责任公司 | Balance shaft sleeve disassembling assembly and disassembling method |
-
2015
- 2015-12-30 CN CN201521129940.7U patent/CN205438399U/en active Active
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107910685A (en) * | 2017-09-29 | 2018-04-13 | 沈阳兴华航空电器有限责任公司 | Double positioning claws |
| CN108326794A (en) * | 2018-04-23 | 2018-07-27 | 安徽江淮汽车集团股份有限公司 | The extracting tool of gear box oil capping |
| CN109773716A (en) * | 2019-03-06 | 2019-05-21 | 苏州帝达化纤机械制造有限公司 | A kind of filament spinning component dismantling device |
| CN109773716B (en) * | 2019-03-06 | 2023-11-10 | 苏州帝达化纤机械制造有限公司 | Spinning subassembly assembly and disassembly tools |
| CN112388561A (en) * | 2019-08-15 | 2021-02-23 | 中国航发商用航空发动机有限责任公司 | Sealing element assembling and disassembling tool |
| CN113427432A (en) * | 2020-03-23 | 2021-09-24 | 中国航发商用航空发动机有限责任公司 | Balance shaft sleeve disassembling assembly and disassembling method |
| CN112223201A (en) * | 2020-09-29 | 2021-01-15 | 广东电网有限责任公司 | Auxiliary tool for separating transformer bushing from top sleeve |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |