A quick-mounting drum brake backplate

Abstract

The utility model discloses a quick installation's drum brake bottom plate relates to drum brake bottom plate technical field, the utility model discloses a car axle is fixedly connected with the fixed disc on the front, the fixed disc is provided with the brake bottom plate on the front, the brake bottom plate is installed with drum brake on the front, the inside upper and lower position of fixed disc is seted up with square groove no.

Description

Technical Field

[0001] This utility model belongs to the technical field of drum brake base plate, and in particular relates to a quick-installation drum brake base plate. Background Technology

[0002] The drum brake backplate is the core basic component of the drum brake system. It is mainly used to install components such as brake shoes and brake wheel cylinders, and is fixed to the axle with bolts to transmit braking force to achieve vehicle deceleration or parking functions.

[0003] Traditional drum brake base plates are typically secured with multiple bolts during installation. However, the installation process requires workers to continuously support the drum brake base plate, which is difficult for a single person to operate. Furthermore, prolonged lifting can cause arm fatigue for workers, increasing the risk of the drum brake base plate falling off and posing a certain safety hazard. Utility Model Content

[0004] The purpose of this utility model is to provide a quick-installation drum brake base plate. The brake base plate is positioned and installed by inserting it into square slots two and one on the fixed plate via U-shaped inserts and positioning inserts. Simultaneously, the U-shaped inserts connect to the axle. This connection method is not only more efficient during installation but also significantly increases the strength of the brake base plate. Furthermore, the U-shaped inserts and positioning inserts support the brake base plate, eliminating the need for continuous support by workers and facilitating subsequent tightening. It can be operated by a single person, increasing efficiency. This solves the problem of traditional drum brake base plates requiring continuous support during installation, which is difficult for a single person and can cause arm fatigue and lead to the base plate falling off.

[0005] To solve the above-mentioned technical problems, this utility model is achieved through the following technical solution: This utility model relates to a quick-installation drum brake base plate, comprising an axle, a fixing plate fixedly connected to the front of the axle, a brake base plate disposed on the front of the fixing plate, and a drum brake mounted on the front of the brake base plate. The fixed plate has a square groove 1 at the top and bottom, a square groove 2 at the left side, and insertion holes at the four corners. A U-shaped plug is fixedly connected to the left and right sides of the back of the brake base plate. A positioning plug is fixedly connected to the top and bottom of the back of the brake base plate. Insert shafts are fixedly connected to the four corners of the back of the brake base plate. The back of the U-shaped plug has a notch.

[0006] Furthermore, the U-shaped insert is adapted to the second square slot on the fixed plate, the positioning insert is adapted to the first square slot on the fixed plate, the back of the brake base plate is in contact with the front of the fixed plate, the positioning insert is adapted to the insertion hole on the fixed plate, the U-shaped insert is positioned and inserted into the fixed plate through the second square slot, the positioning insert is positioned and inserted into the fixed plate through the first square slot, and the insertion shaft is positioned and inserted into the fixed plate through the insertion hole. Connecting the brake base plate to the second and first square slots on the fixed plate through the U-shaped insert and the positioning insert not only serves a positioning function but also improves the strength of the brake base plate after docking.

[0007] Furthermore, the notch on the back of the U-shaped plug is inserted into the axle for positioning. Several positioning blocks are fixedly connected to the top and bottom of the axle. The positioning blocks are arranged in pairs, and the two positioning blocks in each pair are located on the outside of the U-shaped plug. After the U-shaped plug is inserted, it will be inserted into the axle, and the positioning blocks on the axle will again play a positioning role.

[0008] Furthermore, a long bolt is inserted inside the U-shaped insert, the long bolt passing through the U-shaped insert and the axle, and a nut is installed at the bottom of the long bolt. Long bolts are inserted at both the top and bottom of the fixed plate, the long bolts passing through the positioning insert and extending to the outside, and the end of the long bolt is threaded to the fixed plate. The installation of long bolts one and two ensures that the brake base plate will not fall off when it becomes loose.

[0009] Furthermore, two threaded shafts are fixedly connected to the back of the positioning block. A washer is sleeved on the outside of the threaded shaft. The washer is set on the back of the fixed plate. A nut is installed on the threaded shaft. The nut and the washer cooperate to lock and fix the brake base plate. The washer is inserted into the threaded shaft, and then the nut is installed on the threaded shaft to lock and fix it. The washer can increase the contact area and improve the locking effect.

[0010] This utility model has the following beneficial effects: This invention positions and installs the brake base plate by inserting it into square slots two and one on the fixed plate via U-shaped and positioning blocks. The U-shaped blocks also connect to the axle. This connection method is not only more efficient during installation but also significantly increases the strength of the brake base plate. The U-shaped and positioning blocks support the brake base plate, eliminating the need for continuous support from workers and facilitating subsequent tightening. Furthermore, it can be operated by a single person, resulting in higher efficiency.

[0011] After the brake base plate is connected, the long bolt one is inserted into the U-shaped insert and passes through the axle. Then, the nut at the bottom of the long bolt one is installed and locked. Then, the top and bottom of the fixing plate are inserted into the long bolt two and locked. This improves the fixing effect of the brake base plate and prevents it from falling off when it becomes loose, thus preventing it from falling off.

[0012] Of course, any product implementing this utility model does not necessarily need to achieve all of the advantages described above at the same time. Attached Figure Description

[0013] To more clearly illustrate the technical solutions of the embodiments of this utility model, the accompanying drawings used in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0014] Figure 1 This is a schematic diagram of the overall structure of this utility model; Figure 2 This is a schematic diagram of the back structure of the fixing disc of this utility model; Figure 3 This is a schematic diagram of the back structure of the brake base plate of this utility model; Figure 4 This is a schematic diagram of the overall structure of the fixed disk of this utility model; Figure 5 This is a schematic diagram of the internal cross-sectional structure of the fixed disk of this utility model.

[0015] The attached diagram lists the components represented by each number as follows: 1. Axle; 11. Fixed plate; 111. Square slot one; 112. Square slot two; 113. Insertion hole; 12. Brake base plate; 121. U-shaped insert; 122. Insert shaft; 123. Positioning insert; 124. Threaded shaft; 125. Long rod bolt one; 126. Long rod bolt two; 13. Drum brake; 14. Positioning block; 15. Shim. Detailed Implementation

[0016] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the scope of protection of the present utility model.

[0017] Please see Figures 1-5As shown, this utility model is a quick-installation drum brake base plate, including an axle 1, a fixing plate 11 fixedly connected to the front of the axle 1, a brake base plate 12 provided on the front of the fixing plate 11, and a drum brake 13 mounted on the front of the brake base plate 12. The fixed plate 11 has square slots 111 at the top and bottom, square slot 112 at the left side, and insertion holes 113 at the four corners. A U-shaped insert 121 is fixedly connected to the left and right sides of the back of the brake base plate 12. A positioning insert 123 is fixedly connected to the top and bottom of the back of the brake base plate 12. Insert shafts 122 are fixedly connected to the four corners of the back of the brake base plate 12. The back of the U-shaped insert 121 has a notch. By passing the brake base plate 12 through the U-shaped insert 121... 21 and positioning plug 123 are inserted into square slot 2 112 and square slot 111 on the fixed plate 11, thereby positioning and installing the brake base plate 12. At the same time, U-shaped plug 121 will be inserted into the axle 1. This docking method is not only more efficient during installation, but also greatly increases the strength of the brake base plate 12. Meanwhile, U-shaped plug 121 and positioning plug 123 will support the brake base plate 12, eliminating the need for continuous support from the staff, making it convenient for the staff to perform subsequent locking procedures. Moreover, it can be operated by a single person, which is more efficient.

[0018] The U-shaped insert 121 is adapted to the square groove 112 on the fixed plate 11, the positioning insert 123 is adapted to the square groove 111 on the fixed plate 11, the back of the brake base plate 12 is in contact with the front of the fixed plate 11, the positioning insert 123 is adapted to the insertion hole 113 on the fixed plate 11, the U-shaped insert 121 is positioned and inserted into the fixed plate 11 through the square groove 112, the positioning insert 123 is positioned and inserted into the fixed plate 11 through the square groove 111, and the insert shaft 122 is positioned and inserted into the fixed plate 11 through the insertion hole 113.

[0019] The notch on the back of the U-shaped insert 121 is positioned and inserted into the axle 1. Several positioning blocks 14 are fixedly connected to the top and bottom of the axle 1. The positioning blocks 14 are set in pairs, and the two positioning blocks 14 in each pair are set on the outside of the U-shaped insert 121.

[0020] A long bolt 125 is inserted inside the U-shaped insert 121. The long bolt 125 passes through the U-shaped insert 121 and the axle 1. A nut is installed at the bottom of the long bolt 125. Long bolts 126 are inserted at the top and bottom of the fixing plate 11. Long bolts 126 pass through the positioning insert 123 and extend to the outside. The end of the long bolt 126 is threaded to the fixing plate 11. After the brake base plate 12 is aligned, the long bolt 125 is inserted into the U-shaped insert 121 and passes through the axle 1. Then, the nut installed at the bottom of the long bolt 125 is locked and fixed. Then, the long bolts 126 are inserted at the top and bottom of the fixing plate 11 and locked and fixed. This improves the fixing effect of the brake base plate 12 and prevents the brake base plate 12 from falling off when it becomes loose, thus preventing it from falling off.

[0021] The back of the positioning insert 123 is fixedly connected to two threaded shafts 124. A washer 15 is sleeved on the outside of the threaded shaft 124. The washer 15 is set on the back of the fixed plate 11. Nuts are installed on the threaded shaft 124. The nuts cooperate with the washer 15 to lock and fix the brake base plate 12.

[0022] One specific application of this embodiment is: When the brake base plate 12 needs to be installed, the brake base plate 12 is inserted into the square slot 112 and square slot 111 on the fixed plate 11 through the U-shaped insert 121 and the positioning insert 123, thereby positioning and installing the brake base plate 12. After the U-shaped insert 121 is inserted, it will be inserted into the axle 1, and the positioning block 14 on the axle 1 will also play a positioning role. At the same time, when the brake base plate 12 is docked, the insert shaft 122 will be inserted into the insertion hole 113 on the fixed plate 11. This docking method is not only more efficient in installation, but also can greatly increase the strength of the brake base plate 12. After the brake base plate 12 is docked, the U-shaped insert 121 and the positioning insert 123 will support the brake base plate 12, so that the operator does not need to support it continuously, which is convenient for the operator to tighten it later. Moreover, this method can be operated by a single person, which is more efficient. After the brake base plate 12 is assembled, insert the washer 15 into the threaded shaft 124, then install a nut on the threaded shaft 124 and tighten it. Next, insert the long bolt 125 into the U-shaped insert 121 and through the axle 1. Then, install a nut on the bottom of the long bolt 125 and tighten it. Then, insert the long bolt 2 126 into the top and bottom of the fixing plate 11 and thread the long bolt 2 126 to the fixing plate 11 and tighten it. This method can improve the fixing effect of the brake base plate 12, and the installation of the long bolt 125 and the long bolt 2 126 can prevent the brake base plate 12 from falling off when it is loose, thus achieving the effect of preventing it from falling off.

[0023] In the description of this specification, references to terms such as "an embodiment," "example," "specific example," etc., indicate that a specific feature, structure, material, or characteristic described in connection with that embodiment or example is included in at least one embodiment or example of the present invention. In this specification, the illustrative expressions of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in one or more embodiments or examples.

[0024] The preferred embodiments of this utility model disclosed above are merely illustrative of the present utility model. These preferred embodiments do not exhaustively describe all details, nor do they limit the present utility model to the specific implementations described. Clearly, many modifications and variations can be made based on the content of this specification. This specification selects and specifically describes these embodiments to better explain the principles and practical applications of the present utility model, thereby enabling those skilled in the art to better understand and utilize it. This utility model is limited only by the claims and their full scope and equivalents.

Claims

1. A quick-installation drum brake base plate, comprising an axle (1), wherein a fixing disc (11) is fixedly connected to the front of the axle (1), a brake base plate (12) is provided on the front of the fixing disc (11), and a drum brake (13) is mounted on the front of the brake base plate (12), characterized in that: The fixed plate (11) has a square groove 1 (111) at the top and bottom of the interior, a square groove 2 (112) at the left side of the interior, and insertion holes (113) at the four corners of the interior. The brake base plate (12) has a U-shaped plug (121) fixedly connected to the left and right sides of the back. The brake base plate (12) has a positioning plug (123) fixedly connected to the top and bottom of the back. The brake base plate (12) has a plug shaft (122) fixedly connected to the four corners of the back. The U-shaped plug (121) has a notch on the back.

2. The quick-installation drum brake base plate according to claim 1, characterized in that, The U-shaped insert (121) is adapted to the square slot two (112) on the fixed plate (11), the positioning insert (123) is adapted to the square slot one (111) on the fixed plate (11), the back of the brake base plate (12) is in contact with the front of the fixed plate (11), and the positioning insert (123) is adapted to the insertion hole (113) on the fixed plate (11).

3. The quick-installation drum brake base plate according to claim 2, characterized in that, The U-shaped plug (121) is positioned and plugged into the fixed plate (11) through the square groove two (112), the positioning plug (123) is positioned and plugged into the fixed plate (11) through the square groove one (111), and the plug shaft (122) is positioned and plugged into the fixed plate (11) through the plug hole (113).

4. A quick-installation drum brake base plate according to claim 3, characterized in that, The notch on the back of the U-shaped insert (121) is positioned and inserted into the axle (1). Several positioning blocks (14) are fixedly connected to the top and bottom of the axle (1). The positioning blocks (14) are set in pairs, and the two positioning blocks (14) in each pair are set on the outside of the U-shaped insert (121).

5. A quick-installation drum brake base plate according to claim 3, characterized in that, A long rod bolt (125) is inserted inside the U-shaped insert (121). The long rod bolt (125) passes through the U-shaped insert (121) and the axle (1). A nut is installed at the bottom of the long rod bolt (125). Long rod bolts (126) are inserted at the top and bottom of the fixed plate (11). The long rod bolts (126) pass through the positioning insert (123) and extend to the outside. The end of the long rod bolts (126) is threaded to the fixed plate (11).

6. A quick-installation drum brake base plate according to claim 3, characterized in that, The positioning plug (123) has two threaded shafts (124) fixedly connected to its back. A gasket (15) is fitted on the outside of the threaded shaft (124). The gasket (15) is set on the back of the fixed plate (11). A nut is installed on the threaded shaft (124). The nut and the gasket (15) cooperate to lock and fix the brake base plate (12).

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