CN212509287U - Air pressure disc brake - Google Patents
Air pressure disc brake Download PDFInfo
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- CN212509287U CN212509287U CN202021808392.1U CN202021808392U CN212509287U CN 212509287 U CN212509287 U CN 212509287U CN 202021808392 U CN202021808392 U CN 202021808392U CN 212509287 U CN212509287 U CN 212509287U
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Abstract
The utility model relates to an air pressure disc brake, which comprises a caliper body, a brake disc and a linkage device; the clamp body comprises a clamp body main body, and the clamp body main body is formed by connecting a box body section and a bridge frame section together; the box body section is internally provided with a first installation cavity, and the box body section is provided with a first bulge, a driving connecting plate, a second bulge and a connecting hole group; a second bulge, a third bulge, a first groove, a second groove and a fourth bulge are arranged on the bridge frame section; and the junction of the box body section and the bridge frame section is in arc transition connection. The utility model has the advantages that: through improving traditional pincers body structure, on the basis of satisfying pincers body overall structure intensity, through mutually supporting between different structures such as different protruding structure, segmental arc structure, groove structure, arc transitional coupling structure to reduce the whole size of the pincers body as far as, made things convenient for the installation of the pincers body, avoided the pincers body to interfere the installation to other parts of car.
Description
Technical Field
The utility model relates to an automobile brake, in particular to atmospheric pressure disk brake.
Background
The disc brake is widely applied to cars, passenger cars and dangerous goods vehicles, most of the cars are used for all wheels at present, and a few cars are only used as front wheel brakes and are matched with drum brakes of rear wheels, so that the cars have higher direction stability during braking. In commercial vehicles, disc brakes are increasingly being used today in new and high-end vehicle models.
The disc brake is of an air pressure type and is controlled by air pressure, and main parts comprise a brake disc, an air chamber, a brake caliper, a support and the like. The disc brake has the advantages of fast heat dissipation, light weight, simple structure and convenient adjustment. Particularly, the high-temperature-resistant performance is good under high load, the braking effect is stable, the muddy water invasion is not afraid, the car runs in winter and in bad road conditions, the disc brake adopted by many cars comprises a plane type brake disc, a punched type brake disc and a ventilation type brake disc, and the braking effect and the ventilation and heat dissipation capacity of the ventilation type brake disc are good.
For example, in patent CN108779818A a disc brake is mentioned, comprising a brake caliper overlapping at least one brake disc and a brake actuation mechanism arranged inside said brake caliper and having: -an amplification mechanism comprising a brake lever rotatable about a pivot bearing to introduce a clamping force from an actuator; -a thrust element transmitting the amplified clamping force onto the brake disc, characterized in that a force redirection means for transmitting an input force from the actuator to the brake lever is arranged between the actuator and the brake caliper.
As another example, in patent CN105822701A a disc brake for a heavy vehicle is mentioned, comprising: first and second brake pads arranged to face the brake rotor; a caliper for applying a clamping load to the brake pads to resist rotation of the rotor, the caliper further comprising: a radial opening sized to fit and remove the brake pads therefrom; and a strip of pads arranged to extend across the opening and releasably restrain the brake pads at least radially outwardly relative to the caliper; wherein the disc brake further comprises at least one support for supporting the rear face of at least one of the brake pads, the support being provided with a guide structure configured to engage with the pad strip and thereby restrict rotation of the brake pad about a radial axis.
Both of the above-mentioned disc brakes have certain drawbacks: to its brake caliper's structure, what brake caliper's surface all adopted is single arcwall face, it is big just so that the appearance that leads to whole brake caliper can be done relatively, corresponding brake caliper's weight is also relatively heavier, in addition, when brake caliper's appearance is bigger, corresponding required installation space just also can be bigger, and at the in-process of actual installation, brake caliper can receive the inside installation space of car, the influence of factors such as the structure of adjacent part, the installation space that leads to brake caliper can be smaller, under such a condition, brake caliper just can't install.
In addition, the disc brake used in the existing market generally comprises a caliper body, a brake disc, a friction plate and a linkage device, wherein the linkage device generally comprises a pair of linkage shafts, the two linkage shafts realize linkage through chains, and when the disc brake works, the two linkage shafts simultaneously drive the friction plate to approach the brake disc in a linkage mode, so that the brake is realized. In the above structure, the end of the linkage shaft is required to be sleeved with the linkage chain matched with the chain, and the linkage chain are usually installed on the outer side of the pliers body even if exposed, so that a protective cover is required to be additionally installed on the outer side of the linkage chain and the linkage chain to protect the linkage chain and the linkage chain against the phenomenon. The structure of the existing protective cover generally adopts the structural form of an arc cover, the overall appearance of the existing protective cover is large, the corresponding required installation space is also large, in the actual installation process, the brake caliper can be influenced by factors such as the installation space in the automobile, the structure of adjacent parts and the like, the installation space of the whole brake caliper is small, and under the condition, the installation of other parts of the automobile is easily influenced after the protective cover with the large appearance is installed.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is to provide a light in weight, simple to operate's atmospheric pressure disk brake.
In order to solve the technical problem, the utility model adopts the technical scheme that: the air pressure disc brake has the innovation points that: comprises a clamp body, a brake disc and a linkage device;
the clamp body comprises a clamp body main body, and the clamp body main body is formed by connecting a box body section and a bridge frame section together;
the box body section is rectangular, a first installation cavity is arranged in the box body section, a first bulge protruding upwards is arranged in the middle of the upper end face of the box body section, so that the whole box body section is in a convex shape, arc transitional connection is adopted between the two sides of the first bulge and the box body section, a driving connecting plate is arranged on one side, far away from the bridge frame section, of the box body section, the driving connecting plate is in arc transitional connection with the box body section, the upper end face of the first bulge is an arc face, the height of one side, close to the driving connecting plate, of the first bulge is higher than that of one side, close to the bridge frame section, of the first bulge, a pair of symmetrically distributed convex blocks are further arranged at the two ends of one side, close to the bridge frame section, of the first bulge, arc transitional connection is adopted between the convex blocks and the first bulge, a second installation cavity is further formed in the first bulge, and one side of the second installation cavity extends out of the first bulge, the other side is communicated with the first mounting cavity;
the driving connecting plate is in a ladder shape and comprises a first arc section, a second arc section and a third arc section, wherein the first arc section is in butt joint with the first bulge, the second arc section and the third arc section are respectively provided with two sections and are sequentially and symmetrically connected, the first arc section, the second arc section and the third arc section are sequentially distributed from the middle part of the driving connecting plate to the outer position of the driving connecting plate, the heights of the first arc section, the second arc section and the third arc section are sequentially reduced, arc transition connection is adopted between every two adjacent arc sections, one side, away from the bridge frame section, of the second arc section is flush with the end part of the first arc section, the other side of the second arc section extends out of the first arc section, a first reinforcing rib plate which is horizontally distributed is further arranged between one section, extending out of the first arc section, of the second arc section and the first bulge, and the first reinforcing rib plate is horizontally distributed with the second arc section, The joint between the first arc-shaped section and the first bulge is in arc transition connection, two sides of the horizontal direction of the side, connected with the third arc-shaped section, of the second arc-shaped section extend out of the third arc-shaped section, and the joint between the third arc-shaped section and the second arc-shaped section is in arc transition connection;
the driving connecting plate is also provided with a group of first connecting hole groups and a group of second connecting hole groups, wherein the first connecting hole groups are formed by two first connecting holes which are symmetrically arranged at two sides of the first bulge, the two first connecting holes are respectively arranged on the two second arc sections, the second connecting hole groups are formed by two second connecting holes which are symmetrically arranged at two sides of the first bulge and positioned at the outer sides of the first connecting hole groups, the two second connecting holes are respectively arranged on the two third arc sections, and the height of the first connecting holes is higher than that of the second connecting holes;
one side of the box body section, which is far away from the bridge frame section, extends out of the driving connecting plate, the side of the driving connecting plate is in transitional connection with the box body section through an inclined plate, the middle part of the side, which is connected with the box body section, of the driving connecting plate is an arc-shaped section, and the opening of the arc-shaped section is upward;
the cross section of the bridge frame section is arc-shaped, a third mounting cavity for mounting a brake disc and penetrating through the whole bridge frame section up and down is arranged in the middle of the bridge frame section, the third mounting cavity is communicated with the first mounting cavity, a notch for mounting a brake disc friction plate is arranged in the upper part of the bridge frame section, a second protrusion protruding upwards is further arranged in the middle of one side, close to the box body section, of the notch of the bridge frame section, the second protrusion is in arc-shaped transition connection with the first protrusion, and an embedding groove for embedding and mounting the brake disc friction plate is arranged on one side, far away from the box body section, of the second protrusion;
a pair of third bulges which are symmetrically distributed are arranged at the notches on the two sides of the second bulge, a first groove which is sunken downwards is also arranged at the third bulge on the bridge frame section, the third bulge and the first groove are in arc transition, a second groove which is sunken inwards the bridge frame section is also arranged on one side of the first groove far away from the third bulge, the second groove is arranged on one side of the first groove far away from the second bulge, and the height of the bottom endpoint of the second groove is lower than that of the bottom endpoint of the first groove;
the middle part of one side of the bridge frame section, which is far away from the box body section, is also provided with a fourth bulge which protrudes upwards, the fourth bulge is L-shaped, the fourth bulge is provided with a mounting hole which horizontally penetrates through the fourth bulge, and the mounting hole and the embedded groove are matched together to realize the mounting of the brake disc friction plate;
the junction of the box body section and the bridge frame section is in arc transition connection;
the brake disc is arranged in the third mounting cavity, a brake disc friction plate is arranged at the upper end of the brake disc, one side of the brake disc friction plate is embedded into the embedded groove of the second protrusion, and the other side of the brake disc friction plate is fixed on the fourth protrusion through a pin shaft;
the linkage device comprises a pair of linkage shafts horizontally extending into the caliper body, and the linkage shafts are respectively a driving shaft and a driven shaft, the end part of the caliper body is also provided with a through hole for embedding and installing the driving shaft and the driven shaft, and the driving shaft and the driven shaft are connected with a brake disc;
one side of the driving shaft and one side of the driven shaft extend out of the clamp body, a driving chain wheel and a driven chain wheel are respectively sleeved on one section of the driving shaft and one section of the driven shaft extending out of the clamp body, and linkage is realized between the driving chain wheel and the driven chain wheel through a linkage chain;
the protective cover is sleeved on the outer side of the driving chain wheel, the driven chain wheel and the linkage chain, the protective cover comprises a base which is fixed with the end part of the clamp body through a bolt, a first cavity for accommodating the driving chain wheel, the driven chain wheel and the linkage chain is arranged in the base, one side of the base, which is far away from the clamp body, is also provided with a driving chain wheel protective cover, a driven chain wheel protective cover, an upper chain protective cover and a lower chain protective cover which extend outwards, a driving chain wheel mounting cavity, a driven chain wheel mounting cavity, an upper chain mounting cavity and a lower chain mounting cavity which are communicated with the first cavity are respectively arranged in the driving chain wheel protective cover, the driven chain wheel protective cover, the upper chain mounting cavity and the lower chain mounting cavity, the driving chain mounting cavity, the driven chain mounting cavity, the upper chain mounting cavity and the lower chain mounting cavity are communicated with each other, and the upper chain protective cover and the upper chain mounting cavity are in V-, the height of the upper end point of the upper layer chain mounting cavity is lower than the height of the upper end points of the driving chain wheel mounting cavity and the driven chain wheel mounting cavity, the lower layer chain protection cover and the lower layer chain mounting cavity are in a mutually corresponding straight-line shape, two sides of the lower layer chain protection cover are respectively in arc transition connection with the driving chain wheel protection cover and the driven chain wheel protection cover, and the height of the lower end point of the lower layer chain mounting cavity is higher than the height of the lower end point of the driving chain wheel mounting cavity and the driven chain wheel mounting cavity;
the driving chain wheel protective cover is further provided with a through hole for the driving shaft to pass through, after the driving shaft passes through the through hole, the end part of the driving shaft on the side is further connected with a torque protector, and the outer side of the torque protector is further sleeved with a dustproof cap.
Furthermore, two sides of the upper end surface of one side, close to the box body section, of the bridge frame section are respectively provided with an avoidance groove.
Further, the cross-section of embedded groove is right angle trapezoidal form, and the right angle of embedded groove all is located the upside, and the size that the embedded groove is located the base of inboard is less than the size that the embedded groove is located the base of outside.
Furthermore, the upper side and the lower side of one side, far away from the box body section, of the bridge section are respectively provided with a first weight reducing groove and a second weight reducing groove, wherein the number of the first weight reducing grooves is two, the first weight reducing grooves are symmetrically distributed on two sides of the fourth protrusion, the section of the second weight reducing groove is arc-shaped, a reinforcing convex rib is further installed in the second weight reducing groove, and a pair of symmetrically distributed positioning grooves are further formed in the bottom surface of the bridge section on two sides of the second weight reducing groove.
Furthermore, two sides of one side, away from the box body section, of the bridge frame section are respectively provided with a avoiding hole, and the avoiding holes are triangular.
Further, the outside of base still is provided with a plurality of outside convex first deep floor, first deep floor still extends along the outer edge of base, lies in still all to be provided with a plurality of second deep floor on the base between first deep floor and drive sprocket safety cover, driven sprocket safety cover, upper chain safety cover, the lower floor chain safety cover, still is provided with at least one third deep floor between upper chain safety cover and the lower floor chain safety cover.
Furthermore, a weight reduction groove is formed in the base.
Furthermore, a sealing ring is arranged between the base and the clamp body, a second cavity for embedding and installing the sealing ring is formed in the base, and the second cavity is located on the outer side of the first cavity.
Furthermore, a partition plate is further installed in the first cavity on the base and located among the driving chain wheel installation cavity, the driven chain wheel installation cavity, the upper-layer chain installation cavity and the lower-layer chain installation cavity.
The utility model has the advantages that: the utility model discloses a pincers body structure improves through the pincers body structure to tradition, on the basis that satisfies pincers body overall structure intensity, through mutually supporting between different structures such as different protruding structure, segmental arc structure, groove structure, arc transitional coupling structure to reduced the whole size of the pincers body as far as, made things convenient for the installation of the pincers body, avoided the pincers body to interfere the installation to other parts of car, the weight of the corresponding pincers body has just also alleviateed thereupon.
Through improving traditional safety cover, through the base, the drive sprocket safety cover, the driven sprocket safety cover, upper chain safety cover, lower floor's chain safety cover, at the drive sprocket safety cover, the driven sprocket safety cover, upper chain safety cover, mutually support between the lower floor's chain safety cover, realize to the sprocket, on the basis of chain protection, the volume of whole safety cover has been reduced greatly, the corresponding installation space who has just also reduced the safety cover, make things convenient for the smooth installation of other parts.
The design of right trapezoid shape is adopted for the design of the embedded groove, so that when the brake disc friction plate is installed, the side end of the brake disc friction plate is guided and positioned and fixed, the other side of the brake disc friction plate is fixed, the installation of the brake disc friction plate can be completed, the two sides are not required to be fixed, and great convenience is achieved.
The design of the first lightening groove and the second lightening groove on the upper side and the lower side of the bridge frame section reduces the whole weight of the bridge frame section and further reduces the weight of the pliers body on the basis of ensuring the structural strength of the bridge frame section, and the arrangement of the reinforcing convex rib is used for reinforcing the structural strength of the second lightening groove.
The arrangement of the avoiding groove and the avoiding hole on the bridge frame section can reserve an installation space for other parts of the automobile as far as possible when the clamp body is installed, so that the installation of the other parts is facilitated.
And the upper end point of the upper-layer chain mounting cavity and the lower end point of the lower-layer chain mounting cavity are controlled, so that the linkage chain is tensioned, and the linkage of the linkage chain to the driving shaft and the driven shaft is ensured.
The arrangement of the first reinforcing rib plate, the second reinforcing rib plate and the third reinforcing rib plate is used for reinforcing the protective cover and improving the structural strength of the protective cover.
The design of the weight reduction groove on the base reduces the whole weight of the base on the basis of ensuring the structural strength of the base, and provides a good foundation for reducing the weight of the whole brake.
The arrangement of the avoiding groove and the avoiding hole on the bridge frame section can reserve an installation space for other parts of the automobile as far as possible when the clamp body is installed, so that the installation of the other parts is facilitated.
The sealing ring between the base and the clamp body is arranged to play a role in sealing protection, so that external dust is prevented from entering the base from a gap between the base and the clamp body to influence the operation of the linkage device.
The design of the partition plate is used for separating the upper layer and the lower layer of the linkage chain, so that the mutual influence between the upper layer chain and the lower layer chain is avoided when the linkage chain works, and the smooth operation of the linkage chain is ensured.
Drawings
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
Fig. 1 is a schematic view of the air disc brake of the present invention.
Fig. 2 is a schematic view of a caliper body in the air disc brake according to the present invention.
Fig. 3 is a front view of the caliper body of the air disc brake according to the present invention.
Fig. 4 is a side view of the caliper body of the air disc brake according to the present invention.
Fig. 5 is a plan view of a caliper body in the air disc brake according to the present invention.
Fig. 6 is a rear view of the caliper body of the air disc brake according to the present invention.
Fig. 7 is a bottom view of the caliper body of the air disc brake according to the present invention.
Fig. 8 is a schematic view of the linkage of the air disc brake according to the present invention.
Fig. 9 is a schematic view of a protective cover in the air disc brake according to the present invention.
Fig. 10 is a rear view of a protective cover in the air disc brake according to the present invention.
Detailed Description
The following examples are presented to enable those skilled in the art to more fully understand the present invention and are not intended to limit the scope of the present invention.
The pneumatic disc brake shown in fig. 1-10 comprises a caliper body 3, a brake disc 4 and a linkage device 5.
As can be seen from the schematic diagrams shown in fig. 2-7, the clamp body includes a clamp body main body, the clamp body main body is formed by jointly connecting a box section 1 and a bridge section 2, the connection between the box section 1 and the bridge section 2 is in an arc transition connection, and the box section 1 and the bridge section 2 are integrally distributed in a convex shape.
The box body section 1 is rectangular, and has a first mounting cavity 101 in the box body section 1 to facilitate mounting of the rest of the components, and has a first protrusion 102 protruding upward at a middle position of an upper end surface of the box body section 1, so that the entire box body section 1 is in a shape of a letter-convex.
The two sides of the first protrusion 102 are connected with the box body section 1 in an arc transition manner, the upper end surface of the first protrusion 102 is an arc surface, the height of one side, close to the driving connecting plate 104, of the first protrusion 102 is higher than the height of one side, close to the bridge frame section 2, of the first protrusion 102, the opening direction of the arc surface of the first protrusion 102 faces downwards, a pair of symmetrically distributed protruding blocks 105 are further arranged at the two ends of one side, close to the bridge frame section 2, of the first protrusion 102, the protruding blocks 105 are connected with the first protrusion 102 in an arc transition manner, a second installation cavity 106 is further formed in the first protrusion 102, one side of the second installation cavity 106 extends out of the first protrusion 102, and the other side of the second installation cavity 106 is communicated with the first installation cavity 101.
And a driving connecting plate 104 is arranged on one side of the box body section 1 far away from the bridge frame section 2, and the driving connecting plate 104 is in arc-shaped transition connection with the box body section 1.
The driving connecting plate 104 is in a ladder shape and comprises a first arc-shaped section 107, a second arc-shaped section 108 and a third arc-shaped section 109, wherein the first arc-shaped section 107 is butted with the first bulge 102, the second arc-shaped section 108 and the third arc-shaped section 109 are respectively provided with two sections and are sequentially and symmetrically connected to two sides of the first arc-shaped section 107, the second arc-shaped section 108 and the third arc-shaped section 109 are sequentially distributed from the middle part of the driving connecting plate 104 to the outer position of the driving connecting plate 104, the heights of the top ends of the first arc-shaped section 107, the second arc-shaped section 108 and the third arc-shaped section 109 are sequentially reduced, in the arc-shaped sections, any two adjacent arc-shaped sections are in arc-shaped transition connection, one side of the second arc-shaped section 108, which is far away from the bridge frame section 2, is flush with the end part of the first arc-shaped section 107, and the other side of the second arc-shaped, First segmental arc 107 forms L shape structure, still be provided with a horizontal distribution's first deep floor 110 between one section that second segmental arc 108 stretches out outside first segmental arc 107 and first arch 102, and first deep floor 110 and second segmental arc 108, first segmental arc 107, the junction between first arch 102 all adopts the mode of arc transitional coupling, the both sides of the horizontal direction of one side that second segmental arc 108 links to each other with third segmental arc 109 all stretch out outside the both sides of third segmental arc 109, thereby make second segmental arc 108, third segmental arc 109 form the type structure of dogbone, the junction of third segmental arc 109 and second segmental arc 108 all adopts the mode of arc transitional coupling.
The driving connection board 104 further has a set of first connection hole groups and a set of second connection hole groups, wherein the first connection hole groups are formed by two first connection holes 111 symmetrically disposed on two sides of the first protrusion 102, the two first connection holes 111 are disposed on the two second arc-shaped sections 108, the second connection hole groups are formed by two second connection holes 112 symmetrically disposed on two sides of the first protrusion 102 and located on outer sides of the first connection hole groups, the two second connection holes 112 are disposed on the two third arc-shaped sections 109, the height of the first connection hole 111 is higher than that of the second connection hole 112, and the diameter of the first connection hole 111 is larger than that of the second connection hole 112.
One side of the box body section 1 far away from the bridge section 2 extends out of the driving connecting plate 104, the side of the driving connecting plate 104 is in transitional connection with the box body section 1 through an inclined plate 113, the middle position of the side of the driving connecting plate 104 connected with the box body section 1 is an arc-shaped section 114, and an opening of the arc-shaped section 114 faces upwards.
And one side of the box body section 1, which is far away from the bridge frame section 2, is also provided with a pair of through holes 120 for accommodating the universal driving shaft to stretch into and mount, and one side of the box body section 1, which is adjacent to the bridge frame section 2, is also provided with a through hole 121 for accommodating and mounting a blocking cover.
The cross section of the bridge frame section 2 is arc-shaped, a third installation cavity 201 which is used for accommodating a brake disc and penetrates through the whole bridge frame section up and down is arranged in the middle of the bridge frame section 2, the third installation cavity 201 is communicated with the first installation cavity 101, a notch 202 used for accommodating a brake disc friction plate is arranged in the upper portion of the bridge frame section 2, a second protrusion 203 protruding upwards is further arranged in the middle of one side, close to the box body section 1, of the notch 202 of the bridge frame section 2, the second protrusion 203 is in arc transition connection with the first protrusion 102, and an embedded groove 204 used for accommodating the brake disc friction plate to be embedded and installed is arranged in one side, far away from the box body section 1, of the second protrusion 203.
The section of the insertion groove 204 is in a right trapezoid shape, the right angle of the insertion groove 204 is located on the upper side, and the size of the bottom edge of the insertion groove 204 located on the inner side is smaller than the size of the bottom edge of the insertion groove 204 located on the outer side. The design of embedded groove 204 adopts the design of right trapezoid shape to when the brake disc friction disc is being installed, the side of brake disc friction disc is led and fixed a position, only need fix the opposite side of brake disc friction disc like this and can accomplish the installation of brake disc friction disc, need not both sides of brake disc friction disc and all fix unusual convenience.
A pair of third protrusions 205 which are symmetrically distributed are arranged at the position of the cut 202 on two sides of the second protrusion 203, a first groove 206 which is recessed downwards is further arranged at the position of the third protrusion 205 on the bridge section 2, the third protrusion 205 and the first groove 206 are in arc transition, a second groove 207 which is recessed towards the inside of the bridge section 2 is further arranged on one side of the first groove 206 away from the third protrusion 205, the second groove 207 is arranged on one side of the first groove 206 away from the second protrusion 203, and the height of the bottom endpoint of the second groove 207 is lower than that of the bottom endpoint of the first groove 206.
The middle position of one side of the bridge section 2 far away from the box body section 1 is also provided with a fourth protrusion 208 protruding upwards, the fourth protrusion 208 is in an L shape, the fourth protrusion 208 is provided with a mounting hole 209 horizontally penetrating through the fourth protrusion 208, and the mounting hole 209 is matched with the embedded groove 204 together to realize the mounting of the brake disc friction plate.
The upper and lower sides of the bridge section 2 far from the box body section 1 are respectively provided with a first weight-reducing groove 210 and a second weight-reducing groove 211, wherein the number of the first weight-reducing grooves 210 is two, the first weight-reducing grooves are symmetrically distributed on two sides of the fourth protrusion 208, the cross section of the second weight-reducing groove 211 is arc-shaped, a reinforcing convex rib 212 is further installed in the second weight-reducing groove 211, and a pair of symmetrically distributed positioning grooves 213 are further arranged on two sides of the second weight-reducing groove 211 on the bottom surface of the bridge section 2. The first lightening grooves 210 and the second lightening grooves 211 on the upper side and the lower side of the bridge frame section 2 are designed, on the basis of ensuring the structural strength of the bridge frame section 2, the overall weight of the bridge frame section 2 is lightened, the weight of the clamp body is further lightened, and the arrangement of the reinforcing convex ribs 212 is used for reinforcing the structural strength of the second lightening grooves 211.
An avoiding groove 213 is further respectively arranged on two sides of the upper end surface of one side, close to the box body section 1, of the bridge section 2, the first avoiding groove 213 is rectangular, one side of the first avoiding groove 213 extends out of the bridge section 2, and the other three sides of the first avoiding groove 213 are in inclined surface transitional connection with the upper end surface of the bridge section 2.
Two sides of the bridge frame section 2 far away from the box body section 1 are respectively provided with an avoiding hole 214, and the avoiding holes 214 are triangular. The avoidance groove 213 and the avoidance hole 214 on the bridge section 2 are both arranged to leave an installation space for other parts of the automobile as much as possible when the caliper body is installed, so as to facilitate the installation of other parts.
The bridge section 2 is further provided with a first screw hole 221 and a second screw hole 222 for inserting and mounting screws on one side close to the box body section 1, and the first screw hole 221 and the second screw hole 222 are positioned on two sides of the box body section 1.
The utility model discloses a pincers body structure improves through the pincers body structure to tradition, on the basis that satisfies pincers body overall structure intensity, through mutually supporting between the different structures such as different protruding structure, segmental arc structure, groove structure, arc transitional coupling structure to reduce the whole size of the pincers body as far as, made things convenient for the installation of the pincers body, avoided the pincers body to interfere the installation to other parts of car.
Brake disc 4 installs in third installation cavity 201, a brake disc friction disc 41 is installed to the upper end at brake disc 4, one side of brake disc friction disc 41 has a convex embedded piece, this embedded piece embedding second is protruding in the embedded groove 204 of 203, the both sides that lie in the embedded piece on brake disc friction disc 41 still are provided with a pair of limiting plate 43, limiting plate 43 is the L shaped plate, leave the clearance between limiting plate 43 and embedded piece, thereby after embedded piece embedding embedded groove 204, two limiting plates 43 are located the two outsides of the protruding 203 of second, the opposite side of brake disc friction disc 41 is fixed on fourth arch 208 through round pin axle 42, its fixed knot constructs specifically to be: the other side of the brake disc friction plate 41 is provided with a fixing plate extending outwards, the middle of the fixing plate is provided with a through hole for the fourth protrusion 208 to pass through, the middle of the fixing plate is also provided with a groove for the pin shaft 42 to be embedded, the groove is recessed towards the bridge section 2, when the fixing plate is installed, the fourth protrusion 208 passes through the through hole on the fixing plate, the side end of the fixing plate is supported at the end part of the fourth protrusion 208, then the pin shaft 42 passes through the mounting hole 209 on the fourth protrusion 208 to realize the fixing of the brake disc friction plate 41, and at the moment, the pin shaft 42 is just embedded into the groove on the fixing plate.
As can be seen from the schematic views shown in fig. 8-10, the linkage 5 includes
A pair of linkage shafts horizontally extending into the caliper body are respectively a driving shaft and a driven shaft, the end part of the caliper body 3 is also provided with a through hole for embedding and installing the driving shaft and the driven shaft, a driving shaft installing seat 504 and a driven shaft installing seat 503 are also arranged between the driving shaft and the through hole, and one side of the driving shaft and one side of the driven shaft extending into the caliper body 3 are connected with the brake disc 4.
One side of the other book of the driving shaft and the driven shaft extends out of the clamp body 3, a driving chain wheel 502 and a driven chain wheel 501 are respectively sleeved on the sections of the driving shaft and the driven shaft extending out of the clamp body, and the driving chain wheel 502 and the driven chain wheel 501 are linked through a linkage chain 503.
A protective cover sleeved outside the driving chain wheel 502, the driven chain wheel 501 and the linkage chain 503, the protective cover comprises a base 505 fixed with the end part of the clamp body 3 through a bolt, a first cavity 506 for installing the driving chain wheel 502, the driven chain wheel 501 and the linkage chain 503 is arranged in the base 505, a driving sprocket protecting cover 507, a driven sprocket protecting cover 509, an upper chain protecting cover 508 and a lower chain protecting cover 510 which extend outwards are arranged on the side, away from the caliper body 3, of the base 505, a driving chain wheel mounting cavity, a driven chain wheel mounting cavity, an upper chain mounting cavity and a lower chain mounting cavity which are communicated with the first cavity 506 are respectively arranged in the driving chain wheel protective cover 507, the driven chain wheel protective cover 509, the upper chain protective cover 508 and the lower chain protective cover 510, and the driving chain wheel installation cavity, the driven chain wheel installation cavity, the upper layer chain installation cavity and the lower layer chain installation cavity are communicated with each other.
Upper chain safety cover 508, upper chain installation cavity is the V word shape that corresponds each other, and the upper extreme point of upper chain installation cavity highly be less than the drive sprocket installation cavity, the height of the upper extreme point of driven sprocket installation cavity, lower floor's chain safety cover 510, lower floor's chain installation cavity is the straight line type form that corresponds each other, and the both sides of lower floor's chain safety cover 510 respectively with drive sprocket safety cover 507, arc transitional coupling between the driven sprocket safety cover 509, the lower extreme point of lower floor's chain installation cavity highly is higher than the drive sprocket installation cavity, the height of the lower extreme point of driven sprocket installation cavity. The upper end point of the upper-layer chain mounting cavity and the lower end point of the lower-layer chain mounting cavity are controlled, so that the linkage chain 503 is tensioned, and the linkage of the linkage chain 503 to the driving shaft and the driven shaft is ensured.
A plurality of first reinforcing rib plates 511 which protrude outwards are further arranged on the outer side of the base 505, the first reinforcing rib plates 511 extend along the outer edge of the base 505, a plurality of second reinforcing rib plates 512 are further arranged on the base 505 between the first reinforcing rib plates 511 and the driving sprocket protection cover 507, the driven sprocket protection cover 509, the upper-layer chain protection cover 508 and the lower-layer chain protection cover 510, and at least one third reinforcing rib plate 513 is further arranged between the upper-layer chain protection cover 508 and the lower-layer chain protection cover 510. The first reinforcing rib plate 511, the second reinforcing rib plate 512, and the third reinforcing rib plate 513 are provided to reinforce the structural function of the protective cover and improve the structural strength of the protective cover.
The base 505 is further provided with lightening grooves 514, and the lightening grooves 514 are divided into a plurality of lightening grooves by the second reinforcing rib plates 512. The weight-reducing grooves 514 on the base 505 are designed to reduce the overall weight of the base 505 on the basis of ensuring the structural strength of the base 505, and provide a good foundation for reducing the weight of the whole brake.
A sealing ring 514 is further arranged between the base 505 and the caliper body 3, a second cavity 515 is arranged in the base 505, the sealing ring 514 is embedded and installed in the second cavity 515, and the second cavity 515 is positioned outside the first cavity 506. The sealing ring 514 between the base 505 and the caliper body 4 is provided to play a role of sealing protection, so as to prevent external dust from entering the base 505 from the gap between the base 505 and the caliper body 4 and affecting the operation of the linkage device.
A partition plate 516 is further installed in the first cavity 506 on the base 505, and the partition plate 516 is located between the driving sprocket installation cavity, the driven sprocket installation cavity, the upper layer chain installation cavity and the lower layer chain installation cavity. The partition plate 516 is designed to separate the upper layer and the lower layer of the link chain 503, so as to avoid the mutual influence between the upper layer chain and the lower layer chain during operation, and ensure the smooth operation of the link chain 503.
The driving sprocket protecting cover 507 is further provided with a through hole 517 for allowing the driving shaft to pass through, after the driving shaft passes through the through hole 517, the end part of the side of the driving shaft is further connected with a torque protector 518, a dustproof cap 219 is further sleeved on the outer side of the torque protector 518, and the dustproof cap 219 is arranged to protect the torque protector 518 so as to prevent external dust from attaching to the torque protector 518 and affecting the use of the torque protector 518.
The utility model discloses a linkage through improving traditional safety cover, through base 505, drive sprocket safety cover 507, driven sprocket safety cover 509, upper chain safety cover 508, mutually supporting between lower floor's chain safety cover 510, on the basis of realizing the protection to drive sprocket 502, driven sprocket 501, linkage chain 503, the volume of whole safety cover has reduced greatly, corresponding installation space who has just also reduced the safety cover makes things convenient for the smooth installation of other parts.
It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (9)
1. An air disc brake, characterized by: comprises a clamp body, a brake disc and a linkage device;
the clamp body comprises a clamp body main body, and the clamp body main body is formed by connecting a box body section and a bridge frame section together;
the box body section is rectangular, a first installation cavity is arranged in the box body section, a first bulge protruding upwards is arranged in the middle of the upper end face of the box body section, so that the whole box body section is in a convex shape, arc transitional connection is adopted between the two sides of the first bulge and the box body section, a driving connecting plate is arranged on one side, far away from the bridge frame section, of the box body section, the driving connecting plate is in arc transitional connection with the box body section, the upper end face of the first bulge is an arc face, the height of one side, close to the driving connecting plate, of the first bulge is higher than that of one side, close to the bridge frame section, of the first bulge, a pair of symmetrically distributed convex blocks are further arranged at the two ends of one side, close to the bridge frame section, of the first bulge, arc transitional connection is adopted between the convex blocks and the first bulge, a second installation cavity is further formed in the first bulge, and one side of the second installation cavity extends out of the first bulge, the other side is communicated with the first mounting cavity;
the driving connecting plate is in a ladder shape and comprises a first arc section, a second arc section and a third arc section, wherein the first arc section is in butt joint with the first bulge, the second arc section and the third arc section are respectively provided with two sections and are sequentially and symmetrically connected, the first arc section, the second arc section and the third arc section are sequentially distributed from the middle part of the driving connecting plate to the outer position of the driving connecting plate, the heights of the first arc section, the second arc section and the third arc section are sequentially reduced, arc transition connection is adopted between every two adjacent arc sections, one side, away from the bridge frame section, of the second arc section is flush with the end part of the first arc section, the other side of the second arc section extends out of the first arc section, a first reinforcing rib plate which is horizontally distributed is further arranged between one section, extending out of the first arc section, of the second arc section and the first bulge, and the first reinforcing rib plate is horizontally distributed with the second arc section, The joint between the first arc-shaped section and the first bulge is in arc transition connection, two sides of the horizontal direction of the side, connected with the third arc-shaped section, of the second arc-shaped section extend out of the third arc-shaped section, and the joint between the third arc-shaped section and the second arc-shaped section is in arc transition connection;
the driving connecting plate is also provided with a group of first connecting hole groups and a group of second connecting hole groups, wherein the first connecting hole groups are formed by two first connecting holes which are symmetrically arranged at two sides of the first bulge, the two first connecting holes are respectively arranged on the two second arc sections, the second connecting hole groups are formed by two second connecting holes which are symmetrically arranged at two sides of the first bulge and positioned at the outer sides of the first connecting hole groups, the two second connecting holes are respectively arranged on the two third arc sections, and the height of the first connecting holes is higher than that of the second connecting holes;
one side of the box body section, which is far away from the bridge frame section, extends out of the driving connecting plate, the side of the driving connecting plate is in transitional connection with the box body section through an inclined plate, the middle part of the side, which is connected with the box body section, of the driving connecting plate is an arc-shaped section, and the opening of the arc-shaped section is upward;
the cross section of the bridge frame section is arc-shaped, a third mounting cavity for mounting a brake disc and penetrating through the whole bridge frame section up and down is arranged in the middle of the bridge frame section, the third mounting cavity is communicated with the first mounting cavity, a notch for mounting a brake disc friction plate is arranged in the upper part of the bridge frame section, a second protrusion protruding upwards is further arranged in the middle of one side, close to the box body section, of the notch of the bridge frame section, the second protrusion is in arc-shaped transition connection with the first protrusion, and an embedding groove for embedding and mounting the brake disc friction plate is arranged on one side, far away from the box body section, of the second protrusion;
a pair of third bulges which are symmetrically distributed are arranged at the notches on the two sides of the second bulge, a first groove which is sunken downwards is also arranged at the third bulge on the bridge frame section, the third bulge and the first groove are in arc transition, a second groove which is sunken inwards the bridge frame section is also arranged on one side of the first groove far away from the third bulge, the second groove is arranged on one side of the first groove far away from the second bulge, and the height of the bottom endpoint of the second groove is lower than that of the bottom endpoint of the first groove;
the middle part of one side of the bridge frame section, which is far away from the box body section, is also provided with a fourth bulge which protrudes upwards, the fourth bulge is L-shaped, the fourth bulge is provided with a mounting hole which horizontally penetrates through the fourth bulge, and the mounting hole and the embedded groove are matched together to realize the mounting of the brake disc friction plate;
the junction of the box body section and the bridge frame section is in arc transition connection;
the brake disc is arranged in the third mounting cavity, a brake disc friction plate is arranged at the upper end of the brake disc, one side of the brake disc friction plate is embedded into the embedded groove of the second protrusion, and the other side of the brake disc friction plate is fixed on the fourth protrusion through a pin shaft;
the linkage device comprises a pair of linkage shafts horizontally extending into the caliper body, and the linkage shafts are respectively a driving shaft and a driven shaft, the end part of the caliper body is also provided with a through hole for embedding and installing the driving shaft and the driven shaft, and the driving shaft and the driven shaft are connected with a brake disc;
one side of the driving shaft and one side of the driven shaft extend out of the clamp body, a driving chain wheel and a driven chain wheel are respectively sleeved on one section of the driving shaft and one section of the driven shaft extending out of the clamp body, and linkage is realized between the driving chain wheel and the driven chain wheel through a linkage chain;
the protective cover is sleeved on the outer side of the driving chain wheel, the driven chain wheel and the linkage chain, the protective cover comprises a base which is fixed with the end part of the clamp body through a bolt, a first cavity for accommodating the driving chain wheel, the driven chain wheel and the linkage chain is arranged in the base, one side of the base, which is far away from the clamp body, is also provided with a driving chain wheel protective cover, a driven chain wheel protective cover, an upper chain protective cover and a lower chain protective cover which extend outwards, a driving chain wheel mounting cavity, a driven chain wheel mounting cavity, an upper chain mounting cavity and a lower chain mounting cavity which are communicated with the first cavity are respectively arranged in the driving chain wheel protective cover, the driven chain wheel protective cover, the upper chain mounting cavity and the lower chain mounting cavity, the driving chain mounting cavity, the driven chain mounting cavity, the upper chain mounting cavity and the lower chain mounting cavity are communicated with each other, and the upper chain protective cover and the upper chain mounting cavity are in V-, the height of the upper end point of the upper layer chain mounting cavity is lower than the height of the upper end points of the driving chain wheel mounting cavity and the driven chain wheel mounting cavity, the lower layer chain protection cover and the lower layer chain mounting cavity are in a mutually corresponding straight-line shape, two sides of the lower layer chain protection cover are respectively in arc transition connection with the driving chain wheel protection cover and the driven chain wheel protection cover, and the height of the lower end point of the lower layer chain mounting cavity is higher than the height of the lower end point of the driving chain wheel mounting cavity and the driven chain wheel mounting cavity;
the driving chain wheel protective cover is further provided with a through hole for the driving shaft to pass through, after the driving shaft passes through the through hole, the end part of the driving shaft on the side is further connected with a torque protector, and the outer side of the torque protector is further sleeved with a dustproof cap.
2. The air disc brake of claim 1, wherein: and the two sides of the upper end surface of one side of the bridge frame section close to the box body section are respectively provided with an avoidance groove.
3. The air disc brake of claim 1, wherein: the cross-section of embedded groove is right angle trapezoidal form, and the right angle of embedded groove all is located the upside, and the size that the embedded groove is located the base of inboard is less than the size that the embedded groove is located the base of the outside.
4. The air disc brake of claim 1, wherein: the upper side and the lower side of one side, far away from the box body section, of the bridge frame section are respectively provided with a first weight reducing groove and a second weight reducing groove, wherein the number of the first weight reducing grooves is two, the first weight reducing grooves are symmetrically distributed on two sides of the fourth protrusion, the section of the second weight reducing groove is arc-shaped, a reinforcing convex rib is further installed in the second weight reducing groove, and a pair of symmetrically distributed positioning grooves are further formed in the bottom surface of the bridge frame section and located on two sides of the second weight reducing groove.
5. The air disc brake of claim 1, wherein: two sides of one side, away from the box body section, of the bridge frame section are respectively provided with a avoiding hole which is triangular.
6. The air disc brake of claim 1, wherein: the outside of base still is provided with a plurality of outside convex first deep floor, first deep floor still extends along the outer edge of base, lies in on the base and still all is provided with a plurality of second deep floor between first deep floor and drive sprocket safety cover, driven sprocket safety cover, upper chain safety cover, the lower floor chain safety cover, still is provided with at least one third deep floor between upper chain safety cover and the lower floor chain safety cover.
7. The air disc brake of claim 1, wherein: and the base is also provided with a weight reduction groove.
8. The air disc brake of claim 1, wherein: and a sealing ring is also arranged between the base and the clamp body, a second cavity for embedding and installing the sealing ring is arranged in the base, and the second cavity is positioned at the outer side of the first cavity.
9. The air disc brake of claim 1, wherein: the base is further provided with a partition board in the first cavity, and the partition board is located among the driving chain wheel installation cavity, the driven chain wheel installation cavity, the upper-layer chain installation cavity and the lower-layer chain installation cavity.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021808392.1U CN212509287U (en) | 2020-08-26 | 2020-08-26 | Air pressure disc brake |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021808392.1U CN212509287U (en) | 2020-08-26 | 2020-08-26 | Air pressure disc brake |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212509287U true CN212509287U (en) | 2021-02-09 |
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ID=74383994
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021808392.1U Active CN212509287U (en) | 2020-08-26 | 2020-08-26 | Air pressure disc brake |
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| Country | Link |
|---|---|
| CN (1) | CN212509287U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112081843A (en) * | 2020-08-26 | 2020-12-15 | 江苏凯迅达高铁传动技术开发有限公司 | Air pressure disc brake |
| CN113944706A (en) * | 2021-11-02 | 2022-01-18 | 山东越成制动系统股份有限公司 | Commercial vehicle five-tooth linkage type brake with integral calipers and braking method thereof |
-
2020
- 2020-08-26 CN CN202021808392.1U patent/CN212509287U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112081843A (en) * | 2020-08-26 | 2020-12-15 | 江苏凯迅达高铁传动技术开发有限公司 | Air pressure disc brake |
| CN113944706A (en) * | 2021-11-02 | 2022-01-18 | 山东越成制动系统股份有限公司 | Commercial vehicle five-tooth linkage type brake with integral calipers and braking method thereof |
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