CN110520646A - Spring moves tool - Google Patents
Spring moves tool Download PDFInfo
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- CN110520646A CN110520646A CN201880025193.2A CN201880025193A CN110520646A CN 110520646 A CN110520646 A CN 110520646A CN 201880025193 A CN201880025193 A CN 201880025193A CN 110520646 A CN110520646 A CN 110520646A
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- Prior art keywords
- spring
- connecting rod
- mobile
- rebound spring
- rebound
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D65/00—Parts or details
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Braking Arrangements (AREA)
Abstract
Spring is mobile tool (30), comprising: first connecting rod (31), and rotatably freely it is linked to via linking part (34) second connecting rod (32) of first connecting rod (31).First connecting rod (31) has spring-loaded portion (36), and second connecting rod (32) has locking end (32b).Locking end (32b) is formed that the upper end (20) in the outside plate portion (12) of hoof web (6b) can be locked to.From the original state for being provided with spring mobile tool (30) on drum brake (1), when keeping linking part (34) mobile to the upside of second direction centered on the abutment portion for engaging end (32b) and hoof web (6b), spring-loaded portion (36) to the movement of the upside of second direction and makes the intermediate region (4a) of rebound spring (4) deform that rebound spring (4) is made to become non-interference state to the upside of second direction with the movement of linking part (34).
Description
Technical field
This disclosure relates to which spring moves tool.
Background technique
In patent document 1, drum brake is described.The brake-shoe of the drum brake is solid via anchor pivot respectively
Due to anchor support, can be swung using anchor as oscillation center.It is provided between the front end of the bottom plate (web) of two brake-shoes
Rebound spring, when without brake operating, by the force of rebound spring, brake-shoe is maintained at side oscillation respectively inwards
Position.Anchor support has opening in central portion, and the axle housing of car body is fixed in via bolt, which is inserted into
Bolt insert port around the opening is set.In addition, illustrating the spiral shell of rebound spring and anchor support in same bulletin
The state that bolt insert port by being overlapped configures.
Existing technical literature
Patent document
Patent document 1: Japanese Laid-Open 2006-242238 bulletin
Summary of the invention
[technical problems to be solved by the inivention]
Drum brake as described in patent document 1 is such, by the bolt insert port (spiral shell of rebound spring and anchor support
Bolt insertion hole) be overlapped ground configuration in the case where, by drum brake be fixed to car body side when, for anchor support will to be inserted through
Bolt insertion hole the tightening tool tightened of bolt and rebound spring can interfere.If in order to avoid tightening tool and rebound spring
Interference and fastened from the inboard of drum brake with tightening tool, then due to the inboard narrow space of drum brake, because
This terminal operation may become complicated.In addition, if carrying out fastening work in the state of removing rebound spring from drum brake
Industry then needs to install rebound spring after terminal operation, therefore drum brake is mounted on to the work of the installation exercise of car body side
Industry process will increase.
Therefore, being designed to provide for the disclosure can make rebound spring in the terminal operation of the bolt of drum brake
The mobile tool of spring as the non-interference state that do not interfered with fastening tool.
[method for solving technical problem]
To solve the above subject, the first method of the disclosure is a kind of mobile tool of spring, is formed with bolt that will have
The anchor support of insertion hole, the two sides for being configured in bolt insertion hole and a pair of of the hoof abdomen movably supported by anchor support
Extend in a first direction near plate, the bolt insertion hole between a pair of of hoof web and both ends are linked to a pair of of hoof abdomen
When the drum brake of the rebound spring of plate is fixed to car body side, in order to tight from being carried out for the bolt to insert bolt insertion hole
Solid fastening tool and the disturbance state of rebound spring interference become the non-interference do not interfered of fastening tool and rebound spring
State, the mobile tool of spring make the intermediate region between the both ends of rebound spring to the one of the second direction intersected with first direction
Side deformation, the mobile tool of the spring includes first connecting rod and second connecting rod.First connecting rod at one end side have can be from second
The spring-loaded portion of the intermediate region of another side bearing rebound spring in direction.Second connecting rod at one end side have can with matched
Set the locking in the locking of the defined engaged part of the drum brake of the side of the second direction of the intermediate region of rebound spring
Portion, another side are rotatably freely linked to the another of first connecting rod centered on the rotary shaft extended in a first direction
End side.
From the spring-loaded portion of first connecting rod from the rebound spring that the other side of second direction is connected to disturbance state
Between the fastener of region and second connecting rod be locked to drum brake engaged part original state, make comprising first connecting rod
When mobile to the side of second direction centered on the fastener of second connecting rod with the linking part of the rotary shaft of second connecting rod, first
The spring-loaded portion of connecting rod is mobile to the side of second direction with the movement of linking part, and makes the intermediate region of rebound spring
It deforms that rebound spring is made to become non-interference state to the side of second direction.
In said structure, in the case where making the rebound spring of disturbance state become non-interference state, firstly, being set as making
The spring-loaded portion of first connecting rod is connected to the intermediate region of rebound spring from the other side of second direction, and by second connecting rod
Fastener is locked to the original state of the engaged part of drum brake.Then, make the linking part of first connecting rod and second connecting rod
It is mobile to the side of second direction centered on the fastener of second connecting rod.The spring-loaded portion of first connecting rod is with even as a result,
The movement of knot is mobile to the side of second direction, and becomes the intermediate region of rebound spring to the side of second direction
Shape is to make rebound spring become non-interference state.Therefore, when drum brake is fixed to car body side, in anchor support
When inserting bolt and the terminal operation of fastening bolt in bolt insertion hole, the interference of fastening tool and rebound spring can be prevented,
It can be improved workability.
In addition, the spring-loaded portion of first connecting rod is in the rebound spring for being connected to disturbance state from the other side of second direction
Intermediate region in the state of, make the intermediate region of rebound spring to the side of second direction deform.In this way, by making spring branch
Bearing portion is connected to the intermediate region of rebound spring from the other side of second direction and makes side of the spring-loaded portion to second direction
It is mobile, so that the intermediate region of rebound spring be made to deform to the side of second direction, therefore it is able to suppress spring-loaded portion and returns
The friction for playing spring, is able to suppress the damage of rebound spring.
The second method of the disclosure is the spring-loaded portion of first connecting rod in the mobile tool of spring of above-mentioned first method
Linear distance, that is, first connecting rod distance between rotary shaft is longer than the intermediate region of the rebound spring of disturbance state and is locked
Distance between the linear distance along second direction, that is, engaged part spring between portion.The fastener and rotary shaft of second connecting rod it
Between linear distance, that is, second connecting rod distance be longer than the difference of distance between first connecting rod distance and engaged part spring.Original state
Linking part is configured in the position that the side of second direction is more leaned on compared to engaged part.In the linking part for making original state
When mobile to the side of second direction centered on the fastener of second connecting rod, move linking part to close to the direction of anchor support
It is dynamic.
In said structure, make disturbance state rebound spring become non-interference state in the case where, firstly, make its at
For original state, then, make the linking part of first connecting rod and second connecting rod centered on the fastener of second connecting rod to close to anchor
The direction of clamped frame is mobile.
Linear distance, that is, first connecting rod distance between the spring-loaded portion and rotary shaft of first connecting rod is longer than disturbance state
Rebound spring intermediate region and engaged part between the linear distance along second direction, that is, engaged part spring spacing
From linear distance, that is, second connecting rod distance between the fastener and rotary shaft of second connecting rod is longer than first connecting rod distance and by card
The difference of distance between stop spring.In addition, the linking part of first connecting rod and second connecting rod is configured in ratio under above-mentioned original state
The position of the side of second direction is more leaned in engaged part.In this way, by having at least two connecting rods (first connecting rod and the second company
Bar) and one at the elbow type mechanism of sliding moving portion (spring-loaded portion of first connecting rod) become the intermediate region of rebound spring
Shape, therefore rebound spring can be made to become non-interference state from disturbance state with relatively small power.
The Third Way of the disclosure is the spring-loaded in the mobile tool of spring of above-mentioned second method, in first connecting rod
Region between portion and rotary shaft is formed returning for the disturbance state for allowing linking part compared to by from first direction when
The imaginary line that the intermediate region of bullet spring is connected with engaged part shape more mobile to anchor support side.
In said structure, region between the spring-loaded portion and rotary shaft in first connecting rod allow linking part compared to
The imaginary line that the intermediate region of the rebound spring of disturbance state when by from first direction is connected with engaged part more to
Anchor support side is mobile.When linking part crosses above-mentioned imaginary line to anchor support side, the restoring force of rebound spring is acted on
So that keeping linking part mobile to anchor support side centered on the fastener of second connecting rod, therefore the extensive of rebound spring can be utilized
Multiple power makes rebound spring remain non-interference state.
The fourth way of the disclosure is in the mobile tool of spring of above-mentioned first method, relative to will be from the first party
To observation when the disturbance state the rebound spring the intermediate region and the drum brake it is described by card
Stop connection imaginary line, the linking part can compared to the second connecting rod the fastener and the drum-type system
The abutment portion of the engaged part of dynamic device is more to the side of the second direction, to be more than institute to third direction side
The mode for stating imaginary line is mobile, and the third direction is the side intersected with the first direction and the second direction this both sides
To.
5th mode of the disclosure be in the mobile tool of spring of above-mentioned fourth way, when the linking part compared to
It is described
The abutment portion more Xiang Suoshu of the engaged part of the fastener and drum brake of second connecting rod
The side of second direction passes through the rebound bullet when side of Xiang Suoshu third direction is more than the imaginary line
The restoring force of spring is acted on, so that making the linking part with the fastener and the drum brake of the second connecting rod
The engaged part the abutment portion centered on to the side of the third direction and the institute of the second direction
It is mobile to state the other side, so that the rebound spring is maintained at the non-interference state.
In said structure, when linking part is more than above-mentioned imaginary line to the side of third direction, the recovery of rebound spring
Power, which functions such that, makes linking part in the abutment portion of the fastener of second connecting rod and the non-fastener of drum brake
The heart can will spring back bullet using the restoring force of rebound spring to the side of third direction and the other side movement of second direction
Spring is maintained at non-interference state.
[invention effect]
According to the disclosure, in the terminal operation of the bolt of drum brake, rebound spring can be made to become and fastening work
Has the irrelevant non-interference state disturbed.
Detailed description of the invention
Fig. 1 is the main view of drum brake.
Fig. 2 is the II-II regarding sectional view of Fig. 1.
Fig. 3 is the perspective view of the mobile tool of spring of an embodiment of the disclosure.
Fig. 4 is the enlarged drawing of the major part of the drum brake of Fig. 1.
Explanatory diagram when Fig. 5 A is mobile rebound spring, the state before indicating mobile.
Explanatory diagram when Fig. 5 B is mobile rebound spring, the state after respectively indicating movement.
Fig. 6 is the explanatory diagram of the terminal operation of bolt.
Specific embodiment
In the following, the embodiment based on the Detailed description of the invention disclosure.In addition, in the various figures, FR indicates the front of vehicle, UP
Indicate top, IN is indicated on the inside of vehicle width direction, and in Fig. 3, single dotted broken line CL indicates the central axis of the mandrel rod of the mobile tool of spring
(rotary shaft).In addition, omitting the hatching of the mobile tool of spring for ease of understanding in Fig. 5 A, Fig. 5 B and Fig. 6.
The mobile tool 30 of the spring of present embodiment is for being fastened and fixed drum brake 1 using fastening tool 17
When car body (illustration omitted) side, the tool that interferes the rebound spring 4 of fastening tool 17 and drum brake 1 not.
As shown in Figures 1 and 2, drum brake 1 has anchor support 2, a pair of hoof web (shoe web) 6a, 6b and returns
Play spring 4.In addition, in the following description, direction relevant to drum brake 1 indicates drum brake 1 being fixed on vehicle
Direction in the state of side.
Anchor support 2 be formed in side view it is substantially circular, central portion have make to extend in the vehicle width direction
Axle (illustration omitted) insert axle insertion hole 7.Around the axle insertion hole 7 of anchor support 2, it is formed with multiple
(in the present embodiment, 8) bolt insertion hole 3.Drum brake 1 is by making bolt 5 (referring to Fig. 6) insert bolt insertion hole
3 and the bolt 5 is fastened, to be fixed in the non-rotating portion 22 of car body side (referring to Fig. 6).In the one side (In of anchor support 2
In present embodiment, vehicle width direction lateral surface), it is fixed with anchor 8 in lower end, S cam is rotatably freely installed in upper end
9.Anchor 8 and S cam 9, which are configured in, to be leaned on the diameter direction outside of anchor support 2 compared to bolt insertion hole 3 and presss from both sides in the up-down direction
The position of axle insertion hole 7.Anchor 8 has a pair of of anchor 11.
A pair of of hoof web 6a, 6b are respectively provided with opposite in the vehicle width direction a pair of of plate portion (outside plate portion 12 and inner panel portion
13) it, is respectively formed as substantially semi-circular shape in the side view of vehicle, is configured on the outside of the vehicle width direction of anchor support 2
It is separated and is clipped the position of axle insertion hole 7, and is extended up and down along the circumferential direction.The lower end side of hoof web 6a, 6b via
The anchor 11 of anchor 8 and be rotatably freely supported on anchor support 2, upper end side is contacted with S cam 9.In the diameter of hoof web 6a, 6b
On the outside of direction, it is fixed with brake-shoe 14, hoof web 6a, 6b support brake-shoe 14.In the upper end side of hoof web 6a, 6b, it is provided with
The rebound spring 4 to exert a force to the direction for keeping hoof web 6a, 6b closer to each other is provided with anchoring in the lower end side of hoof web 6a, 6b
Spring 15.When carrying out brake operating, S cam 9 rotates, the force of the upper end side of hoof web 6a, 6b confrontation rebound spring 4 and by anchor
Pin 11 as rotary shaft and to each other fascinate by separated direction, is fascinated by this, and brake-shoe 14 is abutted to mobile on the outside of diameter direction
Brake force is generated in wheel (illustration omitted) side.During no progress brake operating, from rebound spring 4 to making hoof abdomen
Direction force plate 6a, 6b closer to each other, brake-shoe 14 are maintained at the state separated from wheel side.
Rebound spring 4 is configured on the outside of the vehicle width direction of anchor support 2, is the bolt insert between hoof web 6a, 6b
The helical spring extended on front-rear direction (first direction) near hole 3 (bolt insertion hole 3a, 3b in Fig. 1).Spring back bullet
The both ends of the front and back of spring 4 be linked to via pin 16a, the 16b for the upper end for being arranged on hoof web 6a, 6b hoof web 6a,
The upper end of 6b.16a, 16b are sold between each outside plate portion 12 of the upper end of hoof web 6a, 6b and inner panel portion 13 in vehicle width side
It upwardly extends.Region 4a in rebound spring 4 between the both ends of front and back is (hereinafter, referred to as intermediate region 4a.) it is provided integrally with: quilt
A pair of of coil part 18a, the 18b for being formed as coiled type and extending in the longitudinal direction；And between a pair of of coil part 18a, 18b
The bar-shaped portion 19 linearly extended in the longitudinal direction, region 4a are overlapped in the vehicle width direction with bolt insertion hole 3a, quilt
Configure with the adjacent position in side view bolt insertion hole 3b.Drum brake 1 is being fixed to the non-rotating of car body side
When portion 22 (referring to Fig. 6), (hreinafter referred to as in the fastening for the bolt 5 (referring to Fig. 6) for being inserted through bolt insertion hole 3a, 3b
When the fastening of bolt 5), the intermediate region 4a (in the present embodiment, the bar-shaped portion 19 in the 4a of intermediate region) of rebound spring 4 with
Fastening tool 17 (referring to Fig. 6) interference.That is, the rebound spring 4 of drum brake 1 becomes and fastening work in the fastening of bolt 5
The state of 17 interference of tool (hereinafter, referred to as disturbance state).
As shown in Fig. 4, Fig. 5 A and Fig. 5 B, compared to the intermediate region 4a Xiang Yuqian of rebound spring 4 in drum brake 1
The upside (one for the second direction (direction in Fig. 5 A and Fig. 5 B shown in single dotted broken line 10) that rear direction (first direction) is intersected
Side) separated position, the upper end 20 in the outside plate portion 12 configured with hoof web 6a, 6b.In the present embodiment, in hoof web
In 6a, 6b, aftermentioned spring is engaged on the upper end (defined engaged part) 20 in the outside plate portion 12 of the hoof web 6b of rear side
The locking end 32b of mobile tool 30.In addition, being illustrated with two chain-dotted lines and being moved to drum brake 1 using spring in Fig. 4
Position is used when power driven tools 30.
The mobile tool 30 of spring is for making to interfere from rebound spring 4 and fastening tool 17 in the fastening of bolt 5
Disturbance state becomes state (reference Fig. 5 B and Fig. 6 that rebound spring 4 and fastening tool 17 do not interfere.Hereinafter, referred to as non-interference
State) tool, as shown in figure 3, include first connecting rod 31 and second connecting rod 32.First connecting rod 31 and second connecting rod 32 are respective
End is rotated centered on the rotary shaft CL of mandrel rod 33 via the mandrel rod 33 linearly extended in the prescribed direction each other
Link freely.In addition, in the following description, direction relevant to the mobile tool 30 of spring, which represents, makes rebound spring 4
Initial conditions (the reference of the mobile tool 30 of spring is provided with as non-interference state and on drum brake 1 from disturbance state
Fig. 5 A.Hereinafter, referred to as original state) under direction.
As shown in Fig. 3, Fig. 5 A and Fig. 5 B, first connecting rod 31 is provided integrally with the first arm 31a and supporting board 31b.The
One arm 31a is the plate body intersected with vehicle width direction, from (the rotation including mandrel rod 33 of linking part 34 linked with second connecting rod 32
Axis CL) it extends downward.The mandrel rod 33 and rotary shaft CL of the linking part 34 linked with second connecting rod 32 are in front-rear direction (first
Direction) on extend.First arm 31a hold on it the defined height and position between lower end have extend in the longitudinal direction
Bending part 35, be formed the chevron shape outstanding on the outside of vehicle width direction.Supporting board 31b is the plate intersected with up and down direction
Body extends from the lower end of the first arm 31a to vehicle width direction inside.Supporting board 31b has the spring of channel-shaped in upper surface side
Supporting part 36.That is, first connecting rod 31 has spring-loaded portion 36 in lower end side (one end), upper end side (another side) is concatenated
In second connecting rod 32.Spring-loaded portion 36 is so that from the upper surface of supporting board 31b, etat lacunaire is in the longitudinal direction downwards
The slot of extension is formed the shape engaged from below with the bar-shaped portion 19 in the intermediate region 4a of rebound spring 4.
Second connecting rod 32 is with the second arm 32a extended from the linking part 34 with first connecting rod 31 to downside and integrally
Locking end (fastener) 32b of the front end of second arm 32a is set.That is, second connecting rod 32 has in lower end side (one end)
There is locking end 32b, upper end side (another side) is linked to first connecting rod 31.Second arm 32a is intersected with vehicle width direction
Plate body.Locking end 32b be from the front end of the second arm 32a to bending on the inside of vehicle width direction after the section that is bent to downside substantially
The plate body of L-shaped is formed to be capable of being locked to the upper end 20 in the outside plate portion 12 of hoof web 6b.Locking end 32b, which has, to be supported
Junction portion 37, the abutting face 37 are locked to the upper end 20 in the outside plate portion 12 of hoof web 6b in locking end 32b from top
(referring to Fig. 5 A and Fig. 5 B) under state, the upper end 20 in outside plate portion 12 is connected to from top.
Then, the first connecting rod 31 and second connecting rod when the spring movement tool 30 from front-rear direction are illustrated based on Fig. 5 A
32 length.In addition, original state is illustrated in Fig. 5 A, and in the initial state, the spring of the supporting board 31b of first connecting rod 31
Supporting part 36 is connected to the rebound of disturbance state on the downside of second direction (direction shown in the single dotted broken line 10 in Fig. 5 A)
The bar-shaped portion 19 of spring 4, the locking end 32b of second connecting rod 32 are locked to the upper end 20 in the outside plate portion 12 of hoof web 6b, support
Junction portion 37 (referring to Fig. 3) is connected to the upper end 20 in outside plate portion 12 on the upside of second direction.
As shown in Figure 5A, (in the present embodiment, the upper table of spring-loaded portion 36 of spring-loaded portion 36 of first connecting rod 31
Face) and the rotary shaft CL (referring to Fig. 3) of mandrel rod 33 between linear distance (first connecting rod distance) L1 be longer than disturbance state return
Play the upper end of the bar-shaped portion 19 (in the present embodiment, the lower surface of bar-shaped portion 19) of spring 4 and the outside plate portion 12 of hoof web 6b
Linear distance (distance between the spring of engaged part) L3 (L1 > L3) in a second direction between the upper surface in portion 20.Second connecting rod
Linear distance (second connecting rod between the abutting face 37 (referring to Fig. 3) and the rotary shaft CL of mandrel rod 33 of 32 locking end 32b
Distance) L2 is longer than the difference (L2 > L1-L3) of the above-mentioned distance L1 of the first connecting rod 31 and above-mentioned distance L3 of drum brake 1.Just
The upside of second direction is more leaned in the upper end 20 that the linking part 34 of beginning state is configured in the outside plate portion 12 compared to hoof web 6b
Position.
Then, operation when drum brake 1 to be fixed to car body side is illustrated based on Fig. 5 A, Fig. 5 B and Fig. 6.In car body side
When fixed drum brake 1, firstly, as shown in Figure 5A, make the spring-loaded portion 36 of the supporting board 31b of first connecting rod 31 from the
It is connected to the bar-shaped portion 19 of the rebound spring 4 of disturbance state on the downside of two directions, engages the locking end 32b of second connecting rod 32
In the upper end 20 in the outside plate portion 12 of hoof web 6b, abutting face 37 is made to be connected to the upper of outside plate portion 12 on the upside of second direction
End 20 becomes above-mentioned original state.Then, with the abutting face 37 and hoof web of the locking end 32b of second connecting rod 32
Centered on the abutment portion of the upper end 20 in the outside plate portion 12 of 6b, keep the linking part 34 of first connecting rod 31 and second connecting rod 32 upward
(close to the direction of anchor support 2), (side that could also say that third direction) fascinates (movement) on the inside of the vehicle width direction of side.That is,
Make linking part 34 to second centered on the abutment portion in the outside plate portion 12 of the locking end 32b of second connecting rod 32 and hoof web 6b
The upside in direction is mobile.As shown in Figure 5 B, the spring-loaded portion 36 of first connecting rod 31 with linking part 34 above-mentioned movement, to
While the upside in two directions is mobile, deform the intermediate region 4a of rebound spring 4 to the upside of second direction, to make to spring back
Spring 4 becomes non-interference state.Then, make the linking part 34 of first connecting rod 31 and second connecting rod 32 to compared to along general's the past
The bar-shaped portion 19 of the rebound spring 4 of disturbance state when rear direction is observed is connect with the upper end 20 in the outside plate portion 12 of hoof web 6b
Second direction imaginary line 10 more to vehicle width direction medial movement (referring to Fig. 5 B).That is, the spring branch in first connecting rod 31
Region between bearing portion 36 and the rotary shaft CL of mandrel rod 33 is formed to avoid (constituting the portion of drum brake 1 with hoof web 6b
Part) abut to allow linking part 34 to compared to above-mentioned imaginary line 10 more to the shape of vehicle width direction medial movement (this
In embodiment, the first arm 31a is formed chevron shape, and supporting board 31b is from the lower end of the first arm 31a to vehicle width side
The shape extended inwardly).When linking part 34 is in the outside plate portion of locking end 32b and hoof web 6b compared to second connecting rod 32
12 abutment portion is upper to when crossing above-mentioned imaginary line 10 on the inside of vehicle width direction, the restoring force effect of rebound spring 4,
So that linking part 34 is centered on the abutment portion in the outside plate portion 12 of the locking end 32b and hoof web 6b of second connecting rod 32 to vehicle
The lower section of (anchor support side) is mobile on the inside of wide direction.That is, passing through the recuperability of rebound spring 4, rebound spring 4 is maintained as non-
Disturbance state.Finally, as shown in fig. 6, in the state that rebound spring 4 is remained to non-interference state by the mobile tool 30 of spring
Under, it is connected to the bolt insertion hole 3 of anchor support 2 and the bolt insertion hole 23 in the non-rotating portion 22 of car body side, is inserted in bolt
Bolt 5 is inserted in hole 3,23, and nut 24 is screwed togather to the bolt 5 for being inserted through bolt insertion hole 3,23, is tightened by fastening tool 17
Bolt 5.Bolt 5 is being tightened after drum brake 1 is fastened and fixed to car body side, is making the first connecting rod of the mobile tool 30 of spring
31 and second connecting rod 32 linking part 34 with second connecting rod 32 locking end 32b and hoof web 6b outside plate portion 12 abutting part
It is mobile to (direction separated from anchor support 2) on the outside of vehicle width direction to be divided into center, removes the mobile tool 30 of spring.In addition, In
With the bar-shaped portion 19 of two chain-dotted lines diagram rebound spring 4 of (disturbance state) before mobile in Fig. 5 B.
In the mobile tool 30 of spring as constituted above, when drum brake 1 is fixed to car body side, when progress exists
When inserting bolt 5 and the terminal operation of fastening bolt 5 in the bolt insertion hole 3 of anchor support 2,17 He of fastening tool can be prevented
The interference of rebound spring 4, can be improved workability.
In addition, the spring-loaded portion 36 of first connecting rod 31 is in the rebound bullet for being connected to disturbance state on the downside of second direction
In the state of the bar-shaped portion 19 of the intermediate region 4a of spring 4, become the intermediate region 4a of rebound spring 4 to the upside of second direction
Shape.In this way, by making spring-loaded portion 36 be connected to the intermediate region 4a of rebound spring 4 on the downside of second direction, and make bullet
Spring supporting part 36 is mobile to the upside of second direction, so that the intermediate region 4a of rebound spring 4 be made to become to the upside of second direction
Shape, therefore it is able to suppress the friction of spring-loaded portion 36 Yu rebound spring 4, it is able to suppress the damage of rebound spring 4.
Therefore, according to the present embodiment, in the terminal operation of the bolt 5 of drum brake 1, rebound spring 4 can be made
As the non-interference state not with the interference of 17 phase of fastening tool.
In addition, the linear distance L1 between the spring-loaded portion 36 and rotary shaft CL of first connecting rod 31 is longer than disturbance state
The straight line along second direction between the upper end 20 in the outside plate portion 12 of the intermediate region 4a and hoof web 6b of rebound spring 4 away from
From L3, the linear distance L2 between the 37 and rotary shaft CL of abutting face of the locking end 32b of second connecting rod 32 is longer than the first company
The difference of the above-mentioned distance L3 of the above-mentioned distance L1 and drum brake 1 of bar 31.In addition, the linking part 34 of original state is configured in
The upper end 20 in the outside plate portion 12 compared to hoof web 6b is more by the position of the upside of second direction.In this way, by having at least
Sliding moving portion (the spring-loaded of first connecting rod 31 of two connecting rods (first connecting rod 31 and second connecting rod 32) and a position
Portion 36) elbow type mechanism deform the intermediate region 4a of rebound spring 4, therefore can be made with relatively small power rebound spring 4 from
Disturbance state becomes non-interference state.
In addition, the region between the spring-loaded portion 36 in first connecting rod 31 and the rotary shaft CL of mandrel rod 33 is formed to permit
Perhaps linking part 34 is compared to above-mentioned imaginary line 10 more to the shape of vehicle width direction medial movement.That is, first connecting rod 31 allows to connect
Knot 34 compared to above-mentioned imaginary line 10 more to vehicle width direction medial movement, therefore can utilize rebound spring 4 restoring force
Rebound spring 4 is set to be maintained at non-interference state.
In addition, in the present embodiment, the centre of rebound spring 4 is made of a pair of of coil part 18a, 18b and bar-shaped portion 19
Region 4a, but not limited to this, for example, it may be the entire area of intermediate region 4a is helical spring.In this case,
The spring-loaded portion 36 of one connecting rod 31 is formed that the shape of helical spring can be supported.
In addition, in the present embodiment, the spring-loaded portion 36 of channel-shaped is provided on first connecting rod 31, but do not limit
In this, for example, the position setting that can be separated in the upper surface of the supporting board 31b of first connecting rod 31 with vehicle width direction is upward
Side's at least a pair of of protrusion (spring-loaded portion) outstanding, or J-shaped hook (spring-loaded portion) also can be set instead of first
The supporting board 31b of connecting rod 31.
In addition, in the present embodiment, the engaged part for the other side side for engaging the locking end 32b of second connecting rod 32 is set
For the upper end 20 in the outside plate portion 12 of hoof web 6b, but not limited to this, can compare being configured in drum brake 1
The desired part of the side (in the present embodiment, upside) of second direction is more leaned on to set in the intermediate region 4a of rebound spring 4
For engaged part.
In addition, in the present embodiment, the locking end 32b of section substantially L-shaped is provided on second connecting rod 32, but
It's not limited to that, can be arranged corresponding to engaged part (in the present embodiment, the upper end in the outside plate portion 12 of hoof web 6b
20) the locking end 32b of various shapes of shape.
In addition, in the present embodiment, by the way that the first arm 31a is formed as chevron shape, and making supporting board 31b from
The lower end of one arm 31a extends on the inside of vehicle width direction, thus by spring-loaded portion 36 and mandrel rod 33 in first connecting rod 31
Region between rotary shaft CL is set as allowing linking part 34 compared to above-mentioned imaginary line 10 more to vehicle width direction medial movement
Shape, but it's not limited to that for the shape in the region.It can also be by the spring-loaded portion 36 and mandrel rod 33 in first connecting rod 31
Rotary shaft CL between region be formed as avoiding with the contact for the component for constituting drum brake 1 to allow 34 phase of linking part
Than in above-mentioned imaginary line 10 more to the other shapes of vehicle width direction medial movement.
In addition, in the present embodiment, the linking part 34 of original state is configured in the outside plate portion compared to hoof web 6b
12 upper end 20 is more by the position of the upside of second direction, and but not limited to this, for example, it is also possible to by the company of original state
The upper end 20 that knot 34 configured in the outside plate portion 12 compared to hoof web 6b is more by the position of the downside of second direction.
In addition, in the present embodiment, when making rebound spring 4 become non-interference state from disturbance state, making linking part
34 compared to above-mentioned imaginary line 10 more to vehicle width direction medial movement, however, you can also not make linking part 34 compared to above-mentioned imagination
Straight line 10 is more to vehicle width direction medial movement.
In addition, in the present embodiment, the bolt on the outside of vehicle width direction by tightening anchor support 2 with fastening tool 17
5 head can also lead to fastening bolt 5, but in the case where be provided on the outside of the vehicle width direction of anchor support 2 nut 24
It crosses and tightens nut 24 with fastening tool 17 to fastening bolt 5.
In addition, in the present embodiment, making the rebound spring 4 extended on front-rear direction (first direction) vertically
The upside of (second direction) is mobile, but it's not limited to that for first direction and second direction.For example, can make in above-below direction
The side of the rebound spring extended on (first direction) (second direction) forward and backward is mobile.
More than, it for the disclosure, is illustrated based on above embodiment, but the disclosure is not limited to above-mentioned implementation
The content of mode can of course be changed suitably without departing from the scope of this disclosure.That is, certainly, based on the embodiment by
Other embodiments, embodiment and application technology of the execution such as those skilled in the art etc. are all contained in the scope of the disclosure
In.
For example, in the above-described embodiment, the lower end side for exemplifying hoof web 6a, 6b is revolved via the anchor 11 of anchor 8
Turn to be supported in anchor support 2 freely and upper end side is contacted with the drum brake 1 of S cam 9, but drum brake and unlimited
Due to this, it is also possible to that there is wheel brake cylinder to replace S cam 9 and make hoof web 6a, 6b fascinate by wheel brake cylinder
Drum brake, alternatively, be also possible between the upper end of hoof web 6a, 6b and between lower end both of which have wheel system
Dynamic cylinder and the mobile drum brake in the whole direction separated to each other hoof web 6a, 6b in brake operation.
The Japanese Patent Application (Patent 2017-081144) that the application was submitted based on April 17th, 2017, content are logical
It crosses as reference reference so far.
[industrial utilizability]
The present invention has can be such that rebound spring becomes and fastening tool in the terminal operation of the bolt of drum brake
The effect of the irrelevant non-interference state disturbed is useful to mobile tool of spring etc..
[description of symbols]
1: drum brake
2: anchor support
3: bolt insertion hole
4: rebound spring
4a: the intermediate region of rebound spring
5: bolt
6a, 6b: a pair of of hoof web
12: the outside plate portion of hoof web
17: fastening tool
20: the upper end in the outside plate portion of hoof web
30: the mobile tool of spring
31: first connecting rod
32: second connecting rod
32b: locking end (fastener)
34: linking part
36: spring-loaded portion
Claims (5)
1. a kind of mobile tool of spring, is inserted having the anchor support for being formed with bolt insertion hole, being configured in the bolt
The two sides of through-hole and a pair of of the hoof web movably supported by the anchor support and the institute between the pair of hoof web
It states near bolt insertion hole and to extend in a first direction and both ends are linked to the rebound spring of the pair of hoof web
Drum brake when being fixed to car body side, in order to from the fastening tool of the bolt fastening for the bolt insertion hole will to be inserted
Become the non-interference state that the fastening tool and the rebound spring do not interfere with the disturbance state of rebound spring interference,
The spring mobile tool makes the intermediate region between the both ends of the rebound spring to intersecting with the first direction
The side of second direction deforms, and the mobile tool of the spring is characterized in that,
The spring moves tool
First connecting rod, at one end side have can be from the other side of the second direction to the middle area of the rebound spring
The spring-loaded portion that domain is supported, and
Second connecting rod, at one end side have can be with the second party for the intermediate region for being configured in the rebound spring
To the side the drum brake defined engaged part engage fastener, another side is described first
The another side of the first connecting rod is rotatably freely linked to centered on the rotary shaft just upwardly extended；
From making the spring-loaded portion of the first connecting rod be connected to the interference from the other side of the second direction
The intermediate region of the rebound spring of the state and fastener of the second connecting rod is locked to the drum brake
The original state of the engaged part of device makes the connection of the rotary shaft comprising the first connecting rod and the second connecting rod
When portion is mobile to the side of the second direction centered on the fastener of the second connecting rod, the first connecting rod
The spring-loaded portion it is mobile to the side of the second direction with the movement of the linking part, and make
The intermediate region of the rebound spring deforms to become the rebound spring to the side of the second direction
The non-interference state.
2. the mobile tool of spring according to claim 1, which is characterized in that
Linear distance, that is, first connecting rod distance between the spring-loaded portion and the rotary shaft of the first connecting rod is longer than
Between the intermediate region and the engaged part of the rebound spring of the disturbance state along the second direction
Linear distance, that is, engaged part spring between distance；
Linear distance, that is, second connecting rod distance between the fastener and the rotary shaft of the second connecting rod is longer than described
The difference of distance between first connecting rod distance and the engaged part spring；
The linking part of the original state is configured in more to be leaned on described in the second direction compared to the engaged part
The position of side；
In the linking part for making the original state to the second party centered on the fastener of the second connecting rod
To the side it is mobile when, move the linking part to close to the direction of the anchor support.
3. the mobile tool of spring according to claim 2, which is characterized in that
The region between the spring-loaded portion and the rotary shaft in the first connecting rod is formed to allow the connection
The intermediate region of the rebound spring of disturbance state when portion is compared to by from the first direction and institute
State the imaginary line of engaged part connection shape more mobile to the anchor support side.
4. the mobile tool of spring according to claim 1, which is characterized in that
The intermediate region of the rebound spring of disturbance state when relative to by from the first direction and
The imaginary line of the engaged part connection of the drum brake, the linking part can be compared to the second connecting rod
The fastener and the drum brake the engaged part abutment portion more to described the one of the second direction
Side, it is mobile in a manner of being more than the imaginary line to third direction side, the third direction be with the first direction and
The direction that this both sides of the second direction are intersected.
5. the mobile tool of spring according to claim 4, which is characterized in that
When the linking part is locked described in the fastener and the drum brake compared to the second connecting rod
For the abutment portion in portion more to the side of the second direction, the side of Xiang Suoshu third direction is more than that the imagination is straight
It when line, is acted on by the restoring force of the rebound spring, so that the linking part is with the locking of the second connecting rod
To the side of the third direction centered on the abutment portion of portion and the engaged part of the drum brake
And the other side of the second direction is mobile, so that the rebound spring is maintained at the non-interference state.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2017-081144 | 2017-04-17 | ||
| JP2017081144A JP6807053B2 (en) | 2017-04-17 | 2017-04-17 | Spring moving tool |
| PCT/JP2018/014863 WO2018193889A1 (en) | 2017-04-17 | 2018-04-09 | Spring movement tool |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110520646A true CN110520646A (en) | 2019-11-29 |
| CN110520646B CN110520646B (en) | 2021-01-29 |
Family
ID=63856561
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201880025193.2A Active CN110520646B (en) | 2017-04-17 | 2018-04-09 | Spring moving tool |
Country Status (4)
| Country | Link |
|---|---|
| JP (1) | JP6807053B2 (en) |
| CN (1) | CN110520646B (en) |
| PH (1) | PH12019502336A1 (en) |
| WO (1) | WO2018193889A1 (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08312702A (en) * | 1995-05-15 | 1996-11-26 | Nisshinbo Ind Inc | Automatic clearance adjuster for drum brake |
| CN101460759A (en) * | 2006-06-01 | 2009-06-17 | 汽车产品意大利（Sv）有限责任公司 | Drum brakes |
| CN201424105Y (en) * | 2009-06-08 | 2010-03-17 | 三阳工业股份有限公司 | Drum type brake mechanism |
| CN102889325A (en) * | 2011-07-22 | 2013-01-23 | 任秀军 | Drum brake with adjusting modules |
| US20150260241A1 (en) * | 2012-10-03 | 2015-09-17 | Hilti Aktiengesellschaft | Hand-Operated Tool Device With A Brake Mechanism For Braking A Machining Tool |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5534346Y2 (en) * | 1975-11-22 | 1980-08-14 | ||
| JPS6221783Y2 (en) * | 1980-09-25 | 1987-06-03 |
-
2017
- 2017-04-17 JP JP2017081144A patent/JP6807053B2/en active Active
-
2018
- 2018-04-09 CN CN201880025193.2A patent/CN110520646B/en active Active
- 2018-04-09 WO PCT/JP2018/014863 patent/WO2018193889A1/en active Application Filing
-
2019
- 2019-10-14 PH PH12019502336A patent/PH12019502336A1/en unknown
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08312702A (en) * | 1995-05-15 | 1996-11-26 | Nisshinbo Ind Inc | Automatic clearance adjuster for drum brake |
| CN101460759A (en) * | 2006-06-01 | 2009-06-17 | 汽车产品意大利（Sv）有限责任公司 | Drum brakes |
| CN201424105Y (en) * | 2009-06-08 | 2010-03-17 | 三阳工业股份有限公司 | Drum type brake mechanism |
| CN102889325A (en) * | 2011-07-22 | 2013-01-23 | 任秀军 | Drum brake with adjusting modules |
| US20150260241A1 (en) * | 2012-10-03 | 2015-09-17 | Hilti Aktiengesellschaft | Hand-Operated Tool Device With A Brake Mechanism For Braking A Machining Tool |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110520646B (en) | 2021-01-29 |
| JP6807053B2 (en) | 2021-01-06 |
| WO2018193889A1 (en) | 2018-10-25 |
| PH12019502336A1 (en) | 2020-09-14 |
| JP2018179183A (en) | 2018-11-15 |
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