CN213039713U - Mushroom-shaped fixed disconnected electronic alarm assembly for drum brake - Google Patents

Mushroom-shaped fixed disconnected electronic alarm assembly for drum brake Download PDF

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Publication number
CN213039713U
CN213039713U CN202020846933.3U CN202020846933U CN213039713U CN 213039713 U CN213039713 U CN 213039713U CN 202020846933 U CN202020846933 U CN 202020846933U CN 213039713 U CN213039713 U CN 213039713U
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wire
assembly
plug
mushroom
shoe
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CN202020846933.3U
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黄东方
王变变
黄国兴
黄伟杰
朱子亨
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Zhejiang Asia Pacific Mechanical and Electronic Co Ltd
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Zhejiang Asia Pacific Mechanical and Electronic Co Ltd
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Abstract

The utility model discloses a mushroom-shaped fixed disconnected drum brake is with electronic alarm component. Comprises an inner wire assembly, an outer wire assembly, a lead and a lead rubber sleeve; the inner wire assembly comprises a wire seat, a fixed buckle, a spring coil, a rubber plug, a connecting interface plug-in and a rubber sleeve, the wire is formed by folding a wire in half, and one end of the folded part of the wire sequentially penetrates through the connecting interface plug-in and the spring coil and then extends into the wire seat; the external wire assembly comprises an interface sleeve, a thermal shrinkage belt, a wire rubber sleeve, a plastic rubber sleeve, a standard socket and a dustproof plug, wherein the other end of the non-folded part of the wire penetrates through the interface sleeve and the plastic rubber sleeve and then extends into the standard socket. The utility model discloses with alarm structure internal thread assembly and external line assembly two parts, reduce the assembly difficulty, the assembly range of application is wide, can more stably in time report to the police directly perceivedly, reduces the damage, reduces the replacement cost.

Description

Mushroom-shaped fixed disconnected electronic alarm assembly for drum brake
Technical Field
The utility model relates to an alarm assembly of stopper has especially related to a mushroom-shaped fixed disconnected drum brake is with electronic alarm assembly.
Background
Drum brakes are widely applied to various small, medium and heavy trucks, and with the development of the automobile industry, people have increasingly high requirements on the timeliness and convenience of maintenance and replacement of various parts of vehicles.
The drum brake is hermetically arranged on a tire of a vehicle, the service conditions of all parts on the brake cannot be seen from the outside, the service life of the whole vehicle is very long and is far longer than that of all parts on the brake, and all parts need to be replaced when reaching the service life; wherein two brake shoes on the stopper belong to wearing and tearing spare, and life is less than the life of whole car far away, need change many times. While the replacement cycle of the brake shoes has no accurate requirements and judgment standards, however, inaccurate evaluation may result in:
firstly, the friction plate of the brake shoe is not completely worn: to determine whether the friction plate is worn to the limit, the whole vehicle tire and the brake drum need to be detached, and if the friction plate is not worn completely, the brake shoe is directly replaced, so that waste is caused; if the tire and the brake drum are installed for continuous use without replacing the brake shoe, the disassembly and the installation of the tire and the brake drum need to be repeated for many times, which wastes manpower and material resources.
Secondly, excessive abrasion of the friction plate of the brake shoe: carry out the friction lining on the brake shoe with the brake drum normal wearing and tearing, the contact wear effect of friction lining and brake drum is normal wearing and tearing consumption, can not destroy the working face of brake drum, nevertheless do not in time change when the whole wearing and tearing of friction lining, can lead to brake drum and the brake shoe contact wear of supporting the friction lining, and brake shoe and brake drum wearing and tearing can lead to the brake drum fish tail, can not play the braking action even, still need change the brake drum together when changing the brake shoe, and the cost of brake drum is very high, can cause very big waste.
No matter the brake shoe friction plate is abraded incompletely or excessively, a large amount of manpower and material resources are wasted.
SUMMERY OF THE UTILITY MODEL
In order to solve the problem of the replacement cycle evaluation difficulty of whole car brake shoe among the prior art, the utility model aims at providing an electronic alarm component for mushroom-shaped fixed disconnected drum brake, make drum brake at the in-process that whole car used, can be timely change the brake shoe that puts in place wearing and tearing, only change electronic alarm component's interior line assembly simultaneously.
In order to achieve the above purpose, the technical scheme of the utility model is that:
the electronic alarm component comprises an inner wire assembly, an outer wire assembly, a lead and a lead rubber sleeve, wherein the inner wire assembly is positioned on the bottom plate, the outer wire assembly is positioned outside the bottom plate, and the inner wire assembly and the outer wire assembly are connected.
The inner wire assembly comprises a wire seat, a fixing buckle, a spring coil, a rubber plug, a connecting interface plug-in and a rubber sleeve, wherein the wire is formed by folding a wire in half, one end of the folded part of the wire sequentially penetrates through the connecting interface plug-in and the spring coil and then extends into the wire seat, and the spring coil is connected between the connecting interface plug-in and the wire seat for positioning protection; the outside of the connecting interface plug-in is installed by a through hole of a rubber plug penetrating through the bottom plate; the connecting interface plug-in is sleeved in the interface sleeve of the external line assembly through a rubber sleeve, and the outside of the connecting interface plug-in is connected in a matched mode through a connector fixing buckle.
The outside line assembly comprises an interface sleeve, a thermal shrinkage belt, a wire rubber sleeve, a plastic rubber sleeve, a standard socket and a dustproof plug, wherein the other end of the non-folded part of the wire penetrates through the interface sleeve and the plastic rubber sleeve and then extends into the standard socket, the mouth part of the standard socket is blocked by the dustproof plug, and the joints between the plastic rubber sleeve and the interface sleeve and between the interface sleeve and the standard socket are wrapped by the thermal shrinkage belt.
The lead seat is mushroom-shaped, the diameter of the mushroom-shaped head of the lead seat is larger than a through hole penetrating through a shoe piece of the drum brake, an annular groove is formed in the mushroom-shaped root of the lead seat, a notch groove is formed in the fixing buckle, the notch groove and the annular groove are embedded and assembled, the fixing buckle is clamped into the annular groove of the lead seat, a spring piece is arranged on the surface of one side, close to the shoe piece, of the fixing buckle and is in pressure joint with the inner side surface of the shoe piece, the head of the lead seat is elastically and limitedly pressed on the outer side surface of the shoe piece after penetrating through the shoe piece through hole and does not move out.
The wire is covered by a wire rubber sleeve for protection.
The connecting interface plug-in components are sleeved outside the rubber plug, one side of the rubber plug is provided with a notch, the two end faces of the rubber plug are provided with outer flanges to form an elastic sleeving connection component, the rubber plug is sleeved in the through hole of the bottom plate, and the outer flanges of the two end faces of the rubber plug are respectively positioned at the two sides of the through hole of the bottom plate.
The wire seat is made of high-temperature resistant materials.
After the inner wire assembly is arranged between the bottom plate and the shoe plate, a lead in the inner wire assembly is bent into a 7 shape, and the shape ensures that the outer wire assembly cannot be pulled after the brake shoe assembly is opened during braking.
The end part of the folded part of the lead is buried in the lead seat, the U-shaped bent part of the folded part is used as the head part of the electronic alarm assembly, the head part is installed on a shoe plate of the drum brake, a round through groove for burying the head part is formed in a friction plate of the shoe plate, and the end part of the head part penetrates through a through hole of the shoe plate and then is buried in the round through groove of the friction plate.
The utility model has the advantages that:
the utility model discloses simple structure, the simple installation can install more nimble steadily, and is with low costs for present electronic alarm assembly for drum brake, and the renewal piece after alarming function realizes, as long as change interior line subassembly, greatly reduced change expense, and the range of application is wider.
The utility model discloses with alarm structure internal thread assembly and external wire assembly two parts, and the difficulty degree of greatly reduced assembly, assembly range of application is wide, is applicable to the hoof piece of different thickness, can report to the police with directly perceived timely realization more steadily, and accurate effectual warning in time changes the hoof assembly, reduces the damage of the peripheral spare part that the hoof overgrinding arouses, reduces the replacement cost.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a cross-sectional view of fig. 1 of the present invention.
Fig. 3 is the overall structure diagram of the inner wire assembly of the present invention.
Fig. 4 is an overall structure diagram of the outer line assembly of the present invention.
Fig. 5 is an exploded view of the interior wiring assembly of the present invention.
Fig. 6 is an exploded view of the outer line assembly of the present invention.
Fig. 7 is a schematic view of the installation structure of the present invention.
In the figure: 1 wire seat, 2 wires, 3 spring coils, 4 wire gum covers, 5 connection interface plug-in components, 6 opening rubber plugs, 7 rubber sleeves, 8 connector fixing buckles, 9 interface sleeves, 10 heat-shrinkable tapes, 11 plastic gum covers, 14 standard sockets, 15 dust plugs, 16 fixing buckles, 17 bottom plates, 18 friction plates, 19 shoe plates, 20 brake drums, 21 interior wire assemblies, 22 exterior wire assemblies and 23 electronic alarm assemblies.
Detailed Description
The invention will be further described with reference to the accompanying drawings and specific embodiments.
The electronic alarm component 23 is installed on a brake shoe assembly of the drum brake, the electronic alarm component 23 comprises an inner wire assembly 21, an outer wire assembly 22, a lead 2 and a lead rubber sleeve 4, the inner wire assembly 21 is located on the bottom plate 17, the outer wire assembly 22 is located outside the bottom plate 17, the inner wire assembly 21 and the outer wire assembly 22 are connected, and the lead 2 is wrapped by the lead rubber sleeve 4 for protection.
As shown in fig. 3 and 5, the inner wire assembly 21 includes a wire seat 1, a fixing buckle 16, a spring coil 3, a rubber plug 6, a connection interface plug 5 and a rubber sleeve 7, wherein the wire seat 1 is fixedly installed in a friction plate 18 of a brake shoe by the fixing buckle 16 after passing through a shoe plate 19 of the brake shoe assembly; the lead 2 is formed by aligning and folding two ends of an electric wire, one end of the folded part of the lead 2 sequentially penetrates through the connecting interface plug-in 5 and the spring coil 3 and then extends into the lead seat 1, and the spring coil 3 is connected between the connecting interface plug-in 5 and the lead seat 1 for positioning protection; the outside of the connecting interface plug-in 5 is installed by a through hole penetrating through the bottom plate 17 through a rubber plug 6; the connecting interface plug-in 5 is sleeved in an interface sleeve 9 of the outer line assembly 22 through a rubber sleeve 7, and the outside is connected in a matching way through a socket connector fixing buckle 8; the rubber sleeve 7 is sleeved in the interface plug-in 5 and is arranged in a fixing hole of the brake bottom plate 17 together with the interface plug-in 5.
As shown in fig. 4 and 6, the external wire assembly 22 includes an interface sleeve 9, a heat-shrinkable tape 10, a wire 2, a wire rubber sleeve 4, a plastic rubber sleeve 11, a standard socket 14 and a dust plug 15, the other end of the non-doubled-back part of the wire 2 passes through the interface sleeve 9 and the plastic rubber sleeve 11 and then extends into the standard socket 14, the outside of the wire 2 is protected by the plastic rubber sleeve 11, the standard socket 14 is connected to an external alarm circuit, that is, two ends of the wire 2 are connected to the external alarm circuit, and the external alarm circuit alarms after detecting whether the wire is worn out or not; the opening of the port part of the standard socket 14 is blocked by a dustproof plug 15, and the joints between the plastic rubber sleeve 11 and the interface sleeve 9 and between the interface sleeve 9 and the standard socket 14 are wrapped by a heat-shrinkable belt 10 to prevent water vapor from entering.
The end of the standard jack 14 has an electrical connector that mates with a corresponding connector in the vehicle alarm circuit.
The utility model discloses an interior line assembly 22 and exterior line assembly 23 are connected through interface plug-in components 5 and interface cover 9, with the fixed 8 fixed interface plug-in components 5 of detaining of connector and interface cover between 9 tip for interior line assembly 22 is connected with exterior line assembly 23.
The utility model discloses an electronic alarm component 23 comprises interior line assembly 21 and the separation of external line assembly 22, so make things convenient for grind off report to the police after only need change interior line assembly 21 can, need not to change external line assembly 22, greatly reduced change expense.
The lead seat 1 is mushroom-shaped, the diameter of the mushroom-shaped head of the lead seat 1 is larger than a through hole penetrating through a shoe 19 of the drum brake, an annular groove is formed in the mushroom-shaped root of the lead seat 1, a notch groove is formed in the fixing buckle 16, the fixing buckle 16 is similar to an arch bridge shape, the notch groove and the annular groove are embedded and assembled, the fixing buckle 16 is clamped into the annular groove of the lead seat 1, a spring piece is arranged on the surface of one side, close to the shoe 19, of the fixing buckle 16 and pressed to the inner side surface of the shoe 19, and after the head of the lead seat 1 penetrates through the through hole of the shoe 19, the step surface between the head and the root is elastically and axially and limitedly pressed on the outer side surface of the shoe 19 and does not deviate from the stop.
The mushroom-shaped structure of the wire seat 1 is used for enabling the tail end of the inner wire assembly 21 to be connected with the interface plug-in 5 to penetrate through the hole groove of the friction plate 18 and penetrate through the hole grooves of the shoe plate 19 and the bottom plate 17, enabling the mushroom-shaped structure of the front end alarm head of the inner wire assembly 21 to be blocked at the hole notch of the shoe plate 19 and then fixed through the fixing buckle 16, and enabling the front end of the inner wire assembly 21 to be fixed on the brake shoe assembly.
The utility model discloses a wire seat 1 adopts the mushroom shape and inlays the dress in shoe and friction disc, can prevent to strike, prevents that the warning of wire seat 1 is broken.
The connecting interface plug-in 5 overcoat is adorned in plug 6, and plug 6 one side is opened jaggedly and both ends face is equipped with the outward flange and forms elasticity and cup joints the piece, and plug 6 suit is in the through-hole of bottom plate 17, and the outward flange of the both ends face of plug 6 is located the both sides of bottom plate 17 through-hole respectively.
As shown in fig. 3 and 7, after the inner wire assembly 21 is installed between the bottom plate 17 and the shoe plate 19, the conductor 2 inside the inner wire assembly 21 is bent to 7 shape under the cladding of the conductor rubber sleeve 4 and the spring coil 3, the shape is such that the outer wire assembly 22 is not pulled after the brake shoe assembly is opened during braking, the friction plate 18 has a stroke of abrasion opening after abrasion, and the abnormal alarm of the breakage of the conductor 2 is prevented.
The end part of the folded part of the lead 2 is embedded in the lead seat 1, the U-shaped bent part of the folded part is used as the head part of an electronic alarm component 23, the head part X is installed on a shoe plate 19 of a drum brake, a circular through groove for embedding the head part X is formed in a friction plate 18 of the shoe plate 19, and the end part of the head part X penetrates through a through hole of the shoe plate 19 and then is embedded in the circular through groove of the friction plate 18.
An embodied electronic warning assembly 23 is mounted on a brake shoe assembly including shoe plate 19 and friction plate 18, with brake drum 20 located outside friction plate 18. After the head X of the inner wire assembly 22 worn by the brake drum 20 is set to be worn, early warning is started, and the head X is visually fed back to a driver, so that a friction plate needs to be replaced, and a wear type alarm is given. When the friction plate 18 of the drum brake is worn, the head X of the lead 2 is contacted with the brake drum 20 to be worn and then disconnected, so that the alarm circuit is disconnected to give an alarm.
The specific implementation of the wire seat 1 is mushroom-shaped, the mushroom-shaped head is spherical, and the tail end of the wire seat is provided with a plurality of clamping grooves which are clamped into the grooves by fixing buckles for fixation.
As shown in fig. 7, the working process of the present invention is:
normally, the alarm circuit connected to the conductor 12 is closed when the conductor 2 is connected.
In the using process, the friction plate 18 in the drum brake is continuously worn, the head X of the lead 2 contacts the brake drum 20 and leads the lead 2 to be worn along with the fact that the friction plate 18 in the drum brake is worn to the groove, the alarm circuit connected after the lead 2 is worn is disconnected, the alarm circuit sends out alarm signal feedback to remind that the friction plate of the brake shoe is worn to the limit and the brake shoe needs to be replaced.
Therefore, the utility model discloses can reach the wearing and tearing limit when the hoof friction disc, with electronic signal feedback to the car screen on, audio-visual timely realization is reported to the police, accurate effectual warning user in time changes the hoof assembly, reduces the damage of the peripheral spare part that the hoof overgrinding arouses, reduces the replacement cost.
The above examples are for the description of the present invention, not for the limitation of the present invention, and any simple modification of the present invention all belongs to the protection scope of the present invention.

Claims (7)

1. An electronic alarm assembly for a mushroom-shaped fixed break-away drum brake, characterized in that:
the electronic alarm component (23) comprises an inner wire assembly (21), an outer wire assembly (22), a lead (2) and a lead rubber sleeve (4), wherein the inner wire assembly (21) is positioned on the bottom plate (17), the outer wire assembly (22) is positioned outside the bottom plate (17), and the inner wire assembly (21) is connected with the outer wire assembly (22);
the inner wire assembly (21) comprises a wire base (1), a fixing buckle (16), a spring coil (3), a rubber plug (6), a connecting interface plug-in (5) and a rubber sleeve (7), wherein the wire (2) is formed by folding a wire in half, one end of the folded part of the wire (2) sequentially penetrates through the connecting interface plug-in (5) and the spring coil (3) and then extends into the wire base (1), and the spring coil (3) is connected between the connecting interface plug-in (5) and the wire base (1) for positioning protection; the outside of the connecting interface plug-in (5) is installed by a through hole penetrating through the bottom plate (17) through a rubber plug (6); the connecting interface plug-in (5) is sleeved in an interface sleeve (9) of the outer line assembly (22) through a rubber sleeve (7) and is connected with the outside in a matching way through a plug-in fixing buckle (8);
the outer line assembly (22) comprises an interface sleeve (9), a thermal shrinkage belt (10), a wire (2), a wire rubber sleeve (4), a plastic rubber sleeve (11), a standard socket (14) and a dustproof plug (15), the other end of the non-folded part of the wire (2) penetrates through the interface sleeve (9), the other end of the non-folded part of the wire (2) penetrates through the plastic rubber sleeve (11), the other end of the non-folded part of the wire (2) extends into the standard socket (14), the port part of the standard socket (14) is blocked by the dustproof plug (15), and the connecting part between the plastic rubber sleeve (11) and the interface sleeve (9) and between the interface sleeve (9) and the standard socket (14) is wrapped by the thermal shrinkage belt (10.
2. The electronic warning assembly for a mushroom-shaped fixed break drum brake according to claim 1, wherein:
the wire seat (1) is mushroom-shaped, the diameter of the mushroom-shaped head of the wire seat (1) is larger than a through hole penetrating through a shoe (19) of the drum brake, an annular groove is formed in the mushroom-shaped root of the wire seat (1), a notch groove is formed in the fixing buckle (16), the notch groove and the annular groove are embedded and assembled, the fixing buckle (16) is clamped into the annular groove of the wire seat (1), a spring piece is arranged on the surface of one side, close to the shoe (19), of the fixing buckle (16), and the spring piece is in compression joint with the inner side surface of the shoe (19), so that the head of the wire seat (1) is elastically and limitedly compressed on the outer side surface of the shoe (19) after penetrating through the shoe (19) through hole, and does not slip out when not moving.
3. The electronic warning assembly for a mushroom-shaped fixed break drum brake according to claim 1, wherein:
the lead (2) is covered by a lead rubber sleeve (4) for protection.
4. The electronic warning assembly for a mushroom-shaped fixed break drum brake according to claim 1, wherein:
the connecting interface plug-in (5) overcoat dress in plug (6), open plug (6) one side and have the breach and both ends face is equipped with the outward flange and forms elasticity bell and spigot joint spare, plug (6) suit is in the through-hole of bottom plate (17), the outward flange of the both ends face of plug (6) is located the both sides of bottom plate (17) through-hole respectively.
5. The electronic warning assembly for a mushroom-shaped fixed break drum brake according to claim 1, wherein:
the wire seat (1) is made of high-temperature resistant materials.
6. The electronic warning assembly for a mushroom-shaped fixed break drum brake according to claim 1, wherein:
after the inner wire assembly (21) is arranged between the bottom plate (17) and the shoe plate (19), the wire (2) in the inner wire assembly (21) is bent into a 7 shape, and the shape ensures that the outer wire assembly (22) cannot be pulled after the brake shoe assembly is opened during braking.
7. The electronic warning assembly for a mushroom-shaped fixed break drum brake according to claim 1, wherein:
the end part of the folded part of the lead (2) is buried in the lead seat (1), the U-shaped bent part of the folded part is used as the head part of the electronic alarm assembly (23), the head part (X) is installed on a shoe plate (19) of the drum brake, a round through groove for burying the head part (X) is formed in a friction plate (18) of the shoe plate (19), and the end part of the head part (X) penetrates through a through hole of the shoe plate (19) and then is buried in the round through groove of the friction plate (18).
CN202020846933.3U 2020-05-20 2020-05-20 Mushroom-shaped fixed disconnected electronic alarm assembly for drum brake Active CN213039713U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202020846933.3U CN213039713U (en) 2020-05-20 2020-05-20 Mushroom-shaped fixed disconnected electronic alarm assembly for drum brake

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202020846933.3U CN213039713U (en) 2020-05-20 2020-05-20 Mushroom-shaped fixed disconnected electronic alarm assembly for drum brake

Publications (1)

Publication Number Publication Date
CN213039713U true CN213039713U (en) 2021-04-23

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ID=75520413

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202020846933.3U Active CN213039713U (en) 2020-05-20 2020-05-20 Mushroom-shaped fixed disconnected electronic alarm assembly for drum brake

Country Status (1)

Country Link
CN (1) CN213039713U (en)

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