CN211567541U - Low-gravity-center trailer wheel shaft support with braking function - Google Patents

Abstract

The utility model relates to a bicycle trailer technical field, the utility model discloses a technical scheme does: a low-gravity-center trailer wheel shaft support with a braking function comprises a support main body, wherein the support main body is fixedly connected with a trailer frame, and an eccentric through hole penetrates through the middle part of the support main body; the brake assembly is fixed in the support main body and comprises a brake shell fixed in the support main body, a brake block arranged in the brake shell in a sliding mode and a brake stop pin connected with the brake block, and the brake block slides left and right in the brake shell to drive the brake stop pin to stretch out or retract.

Description

Low-gravity-center trailer wheel shaft support with braking function

Technical Field

The utility model relates to a bicycle trailer technical field especially involves a take low focus of brake function to tow wheel shaft support.

Background

The bicycle trailer frame that has now in the market adopts monolithic structure more, and the wheel is direct to be connected with the frame steel pipe, and the automobile body focus is often higher, leads to stability in the use not good. If the center of gravity is lowered by reducing the size of the wheels, the passing and comfort of the trailer is affected. After the brake mechanism is additionally arranged on the frame with the integral structure, the size of the frame is further increased, the size of a container is influenced, and the transportation cost is improved.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a can make things convenient for nimble adjustment automobile body focus height and can reduce the structure of trailer vanning size under the prerequisite of not destroying current bicycle trailer frame, wheel design, and have the trailer wheel axle support of brake function.

The above technical purpose of the utility model is realized with following technical scheme:

a low-gravity-center trailer wheel shaft support with a braking function comprises a support main body, wherein the support main body is fixedly connected with a trailer frame, and an eccentric through hole penetrates through the middle part of the support main body;

the brake assembly is fixed in the support main body and comprises a brake shell fixed in the support main body, a brake block arranged in the brake shell in a sliding mode and a brake stop pin connected with the brake block, and the brake block slides left and right in the brake shell to drive the brake stop pin to stretch out or retract.

The utility model discloses a further set up to: the bracket main body is of an integrally formed structure, and the upper end and the lower end of the bracket main body are provided with hoops; the outer side of the bracket main body is a vertical plane, the inner side of the bracket main body is a section, and the middle part of the section is provided with a limit groove; the wheel shaft sleeve passes through the eccentric through hole and is tightly connected with the locknut.

The utility model discloses a further set up to: the wheel shaft sleeve is a T-shaped head hollow bolt, the T-shaped head of the wheel shaft sleeve is positioned in the limiting groove, and the quick-release wheel shaft penetrates through the wheel shaft sleeve and is fixed; the locknut is in close contact with the vertical plane.

The utility model discloses a further set up to: the trailer frame's both sides have the mounting bracket, the mounting bracket includes two root circles pipes that the longitudinal symmetry set up and two U-shaped pipes that the bilateral symmetry set up, the top and the bottom of section bar section contact with two root circles pipes respectively.

The utility model discloses a further set up to: two positioning holes I penetrate through the round pipe of the trailer frame, a positioning hole II penetrates through the clamp at the position corresponding to the positioning holes I, and the clamp is fixed on the trailer frame through bolts or rivets, so that the support main body is fixed on the trailer frame.

The utility model discloses a further set up to: the section bar section is "concave" style of calligraphy structure, the section bar section includes section bar hypomere, section bar middle section and section bar upper segment from supreme down in proper order, the medial surface of section bar hypomere with vertical plane is parallel arrangement, the medial surface of section bar upper segment with vertical plane is the slope setting, the spacing groove is located the section bar middle section, the vertical first strengthening rib that is provided with in inside of section bar upper segment.

The utility model discloses a further set up to: a first square hole penetrates through the lower part of the bracket main body, the first square hole is positioned at the lower section of the profile, a second reinforcing rib is vertically arranged in the lower section of the profile, a second square hole penetrates through the second reinforcing rib, and the first square hole is communicated with the second square hole; the two sides of the second square hole of the second reinforcing rib are provided with mounting holes, the brake shell is arranged in the first square hole and the second square hole, the brake fixing bolt is in threaded connection with the mounting holes, and the tail end of the brake fixing bolt is abutted to the brake shell.

The utility model discloses a further set up to: the brake shell is a square shell, a sliding groove is formed in the lower portion inside the brake shell, the brake block is arranged in the sliding groove in a sliding mode, the spring is arranged in the brake shell, one end of the spring abuts against the brake block, the other end of the spring abuts against the inner side of the brake shell, and the brake stop pin penetrates through the spring and is fixed on the brake block in an interference fit mode.

The utility model discloses a further set up to: the brake device is characterized in that a semicircular groove is formed in the lower portion of the brake block, a first stop groove is formed in the semicircular groove, a second stop groove is further formed in the lower end of the interior of the brake device shell, and a brake cable penetrates through the sliding groove of the brake device shell and penetrates out of the sliding groove and is connected to a brake handle of a trailer or a trailer handrail.

The utility model discloses a further set up to: the brake cable is provided with a first stop block and a second stop block, the first stop block is located in the second stop groove, the second stop block is located in the first stop groove, the brake cable is pulled and locked, the distance between the first stop block and the second stop block is compressed, and the second stop block drives the brake block to move towards the right side and drives the brake stop pin to move towards the right side.

To sum up, the utility model discloses following beneficial effect has:

the eccentric through hole of the utility model is used for fixing and supporting the axle of the rear wheel vehicle, and the position of the eccentric through hole can be set according to the specific performance requirement of the bicycle trailer, so as to achieve the purposes of adjusting the gravity center height of the bicycle body and increasing the overall stability of the bicycle trailer;

the utility model has two clamps which can be fixed on the annular pipe frame of the bicycle trailer in various ways;

thirdly, the bracket of the utility model is used as an extension of the frame part of the bicycle trailer, and has the characteristic of easy installation, and can be detached during the boxing and transportation, thereby reducing the boxing size compared with the traditional integrally formed frame;

the bracket of the utility model has the characteristics of simple structure, adjustable specification, easy installation and strong expandability, can improve the stability of the bicycle trailer during use, and simultaneously improves the packing density and reduces the transportation cost;

fifthly, the top and the bottom of the section bar section of the utility model are respectively contacted with two round pipes, which is convenient for the installation of the connecting piece and the trailer frame and also improves the installation stability;

sixth, the bracket of the utility model is suitable for bicycle trailers (trailers comprise trailer trucks, children trailers and pet trailers) and dual-purpose vehicles for pulling and pushing with annular pipe racks;

seventhly, the utility model discloses an at the additional brake subassembly of support main part department, can realize the brake function for the trailer, improve its convenience greatly.

Drawings

Fig. 1 is a first schematic structural diagram of the present invention.

Fig. 2 is a schematic structural diagram of the present invention.

Fig. 3 is an assembled exploded view of the present invention.

Fig. 4 is a cross-sectional view of the present invention.

Fig. 5 is a partial schematic view of the present invention during braking.

Fig. 6 is a schematic view of the installation position of the present invention.

The corresponding part names indicated by the numbers and letters in the drawings:

wherein: 1. a stent body; 2. a trailer frame; 3. an eccentric through hole; 4. a brake assembly; 5. a section bar section; 6. a vertical plane; 7. a limiting groove; 8. a wheel axle sleeve; 9. a locknut; 10. a first positioning hole; 11. a second positioning hole; 12. clamping a hoop; 13. a brake cable; 14. a brake disc; 15. a first bearing; 16. a quick release type wheel shaft; 17. a second bearing; 18. a bearing cap; 19. a wheel; 41. a brake housing; 42-brake dog; 43. a brake stop pin; 44. a spring; 45. a first stop groove; 46. a second stop groove; 51. a lower section of the profile; 52. a section bar middle section; 53. an upper section of the profile; 54. a first reinforcing rib; 55. a second reinforcing rib; 56. mounting holes; 57. a brake fixing bolt; 131. a first stop block; 132. a second stop block.

Detailed Description

In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention will be further described with reference to the drawings and the specific embodiments.

With reference to fig. 1 to 6, the low center of gravity trailer wheel axle bracket with a braking function according to the present invention includes a bracket main body 1, wherein the bracket main body 1 is fastened to a trailer frame 2, and an eccentric through hole 3 is formed through the middle of the bracket main body 1; the brake assembly 4 is fixed in the support main body 1, the brake assembly 4 comprises a brake shell 41 fixed in the support main body 1, a brake block 42 arranged in the brake shell 41 in a sliding mode and a brake stop pin 43 connected with the brake block 42, and the brake block 42 slides left and right in the brake shell 41 to drive the brake stop pin 43 to stretch out or retract.

By adopting the technical scheme: the bracket main body 1 is fixed at the trailer frame 2, the brake component 4 is arranged at the bracket main body 1, and the brake stop pin 43 of the brake component 4 can move along with the sliding of the brake stop block 42, so that the brake function can be realized.

Referring to fig. 1 and 2, the bracket body 1 is an integrally formed structure, and the upper and lower ends of the bracket body 1 are provided with clips 12; the outer side of the bracket main body 1 is a vertical plane 6, the inner side of the bracket main body 1 is a section 5, and the middle part of the section 5 is provided with a limiting groove 7; the wheel axle sleeve 8 passes through the eccentric through hole 3 and is tightly connected with the locknut 9.

By adopting the technical scheme: support main part 1 is fixed in trailer frame 2 department through clamp 12 and through bolt or fix with rivet, and the T type head end of wheel axle sleeve 8 is located spacing groove 7 and carries on spacingly, and then the screw thread end of wheel axle sleeve 8 passes eccentric through-hole 3 and extends to the outside of vertical plane 6 and lock nut 9 fastening connection to guarantee that wheel axle sleeve 8 can not appear rocking, further guarantee the stability of trailer shaft installation.

Referring to fig. 1 to 3, the wheel axle sleeve 8 is a T-shaped head hollow bolt, the T-shaped head of the wheel axle sleeve 8 is located in the limiting groove 7, and the quick release axle penetrates through the wheel axle sleeve 8 and is fixed; the locknut 9 is in close contact with the vertical plane 6.

By adopting the technical scheme: the wheel shaft sleeve 8 is a T-shaped head hollow bolt, the limiting groove 7 is a square groove, and the T-shaped head end of the wheel shaft sleeve 8 is positioned in the limiting groove 8, so that the wheel shaft sleeve cannot shake or shift, and the mounting stability is effectively improved; it should be noted that, as shown in fig. 3, when the trailer is assembled, the assembly can be completed only by passing the wheel axle through the T-head hollow bolt and fixing, and preferably, the wheel axle is a quick-release wheel axle, which is convenient to detach, repair and replace.

As shown in the combined figure 6, two sides of the trailer frame 2 are provided with mounting frames, each mounting frame comprises two circular tubes which are arranged in an up-down symmetrical mode and two U-shaped tubes which are arranged in a left-right symmetrical mode, and the top and the bottom of each section bar section 6 are respectively contacted with the two circular tubes. Notably, the trailer frame 2 is an annular tube frame.

By adopting the technical scheme: the bracket main body 1 is arranged at the position of the trailer frame 2 through the first positioning hole 10 and the second positioning hole 11, so that the mounting stability of the bracket main body 11 can be ensured; the top and the bottom of the section bar section 5 are respectively contacted with the two round pipes, so that the mounting stability of the connecting piece main body 1 and the trailer frame 2 can be further ensured, the connecting piece main body 1 is further ensured to be tightly contacted with the trailer frame 2, the shaking is prevented, and the stability is improved; it is worth noting that section bar upper segment 53 is equipped with the arc wall to the indent in one side near the pipe, section bar hypomere 51 is equipped with the arc wall also to the inboard indent in one side near the pipe, because the shape of pipe itself, the setting of arc wall has improved the suitability, simultaneously, also need use some strength with support main part 1 propelling movement, after support main part 1 propelling movement entered, the arc wall also can prevent to a certain extent that support main part 1 from droing, the follow-up installation of being convenient for.

Referring to fig. 6, two positioning holes i 10 penetrate through a circular tube of the trailer frame 2, a positioning hole ii 11 penetrates through a hoop 12 at a position corresponding to the positioning hole i 10, and the hoop 12 is fixed to the trailer frame 2 through a bolt or a rivet so as to fix the bracket body 1 to the trailer frame 2.

By adopting the technical scheme: the locating hole one 10 with the locating hole two 11 suits, clamp 12 with trailer frame 2 suits to be convenient for support subject 1 is fixed in trailer frame 2 department, guarantees the stability of support subject 1 installation, has also guaranteed the stability of trailer rear wheel installation.

Referring to fig. 1 and 2, the profile section 5 is a concave structure, the profile section 5 sequentially includes a profile lower section 51, a profile middle section 52 and a profile upper section 53 from bottom to top, an inner side surface of the profile lower section 51 is parallel to the vertical plane 6, an inner side surface of the profile upper section 53 is inclined to the vertical plane 6, the limiting groove 7 is located in the profile middle section 52, and a first reinforcing rib 54 is vertically arranged in the profile upper section 53.

It is noted that a first through hole penetrates through the middle of the middle section 52 of the profile, a second through hole penetrates through the middle of the vertical plane 6, and the first through hole and the second through hole form an eccentric through hole 3.

By adopting the technical scheme: the inside of section bar hypomere 51 with section bar upper segment 53 all sets up the strengthening rib can strengthen the bulk strength of section bar section 5, the medial surface and the vertical plane 6 of section bar hypomere 51 are parallel arrangement can be convenient for follow-up transformation.

Referring to fig. 1 to 3, the contact surface between the upper clamp 12 and the upper section 53 of the profile is arc-shaped, and the contact surface between the lower clamp 12 and the lower section 51 of the profile is arc-shaped.

By adopting the technical scheme: the contact surfaces of the hoop 12 and the upper section 53 of the section bar and the contact surfaces of the hoop 12 and the lower section 51 of the section bar are arranged in an arc structure and are just matched with the outer wall of a circular pipe, so that the hoop 12 and the circular pipe are connected more tightly; it should be noted that the clamp 12 is arc-shaped, so that the clamp 12 is connected with the circular pipe tightly.

Referring to fig. 1 and 2, a first square hole is formed through the lower portion of the bracket main body 1, the first square hole is located at a lower section 51 of the profile, a second reinforcing rib 55 is vertically arranged inside the lower section 51 of the profile, a second square hole is formed through the second reinforcing rib 55, and the first square hole is communicated with the second square hole; mounting holes 56 are formed in two sides of the second square hole of the second reinforcing rib 55, the brake shell 41 is arranged in the first square hole and the second square hole, the brake fixing bolt 57 is in threaded connection with the mounting holes 56, and the tail end of the brake fixing bolt 57 is abutted to the brake shell 41.

By adopting the technical scheme: place brake shell 41 in first square hole and second square hole, brake shell 41 extends to the outside of vertical plane 6, provides certain space for the removal of brake end round pin 43, and the brake end round pin 43 of also being convenient for works, through screwing brake fixing bolt 57 to mounting hole 56 in and with brake shell 41 looks butt, can guarantee the fastness of brake shell 41, also be convenient for follow-up dismantlement and maintenance.

Referring to fig. 1 to 4, the brake housing 41 is a square housing, a sliding groove is formed in the lower portion of the interior of the brake housing 41, the brake block 42 is slidably disposed in the sliding groove, the spring 44 is disposed in the brake housing 41, one end of the spring 44 abuts against the brake block 42, the other end of the spring 44 abuts against the inner side of the brake housing 41, and the brake block pin 43 penetrates through the spring 44 and is fixed on the brake block 42 in an interference fit manner.

By adopting the technical scheme: the brake shell 41 is a square shell and is adapted to the first square hole and the second square hole, the brake shell 41 is a hollow shell, a sliding groove for the brake block 42 to slide is formed in the brake shell 41, a through hole for the brake stop pin 43 to move is formed in the other end of the brake shell 41, the spring 44 is arranged in the brake shell 41 and is used for performing subsequent reset work, when the brake block 42 moves towards the right side, the brake stop pin 43 connected with the brake block 42 in an interference fit mode moves towards the right side, the brake stop pin 43 extends to the outer side of the brake shell 41 to achieve a braking function, the spring 44 is in a compression state at the moment, when the brake block 42 is taken away towards the right side, the spring 44 can drive the brake block 42 to move towards the left side, and the brake stop pin 43 also moves towards the left side.

As shown in fig. 1 to 6, the brake block 42 has a semicircular groove at the lower part, a first stop groove 45 is further provided in the semicircular groove, a second stop groove 46 is further provided at the lower end of the interior of the brake housing 41, and the brake cable 13 passes through the sliding groove of the brake housing 41 and penetrates out to be connected to a brake handle of a trailer or a trailer armrest;

the brake cable 13 is provided with a first stop block 131 and a second stop block 132, the first stop block 131 is located in the second stop groove 46, the second stop block 132 is located in the first stop groove 45, the brake cable 13 is pulled and locked, the distance between the first stop block 131 and the second stop block 132 is compressed, and the second stop block 132 drives the brake block 42 to move towards the right side and drives the brake stop pin 43 to move towards the right side.

It should be noted that the brake cable 13 is a prior art, and those skilled in the art can select the brake cable according to actual requirements, where the first stop block 131 is located at the right side of the second stop block 132, the first stop block 131 remains stationary, and when the brake cable 13 is pulled, the second stop block 132 moves to a direction close to the first stop block 131.

By adopting the technical scheme: the first stop block 131 of the brake cable 13 is positioned in the second stop groove 46 and is kept still, and the second stop groove 132 of the brake cable 13 is positioned in the first stop groove 45. As is well known, when the brake cable 13 at the brake handle is tensioned, the second stop block 132 gradually approaches the first stop block 131, so that the brake block 42 approaches the first stop block 131, and the brake stop pin 43 extends to the outer side of the brake housing 41 to realize the braking function.

Referring to fig. 1 to 6, in the natural release state of the present invention, the spring 44 can make the brake stop pin 43 withdraw into the brake housing 41. (ii) a

The utility model discloses still need use with the cooperation of brake disc 14, 14 both sides of brake disc have the recess of different shapes, it is identical with stopper pin 43 to lean on the recess profile of support main part 1 side, it is identical with the wheel spoke to lean on the recess profile of trailer wheel hub side, 14 embedding wheel spokes of brake disc, along with wheel 19 is together rotated when not using brake function (wheel 19 uses bearing one 15, bearing two 17, shaft cover 18 to link to each other with quick detach formula shaft 16, thereby realize the free rotation).

The brake function using method, the brake block 42 has a semicircular groove at the lower part, there is another first stop groove 45 in the groove, similarly there is also the second stop groove 46 at the lower part of the brake shell 41, the brake cable 13 passes through the lower sliding groove of the brake shell 41 and penetrates out from the direction A, and connects to the brake handle of the trailer ground disc and/or the trailer handrail; in particular, the first stop block 131 is fixed in the stop groove 46, the second stop block 132 is fixed in the stop groove 45, the quick release wheel axle 16 (with the brake disc 14 and the wheel assembly attached thereon) penetrates into the wheel axle sleeve 8 of the bracket main body 1 from the direction C, so that the brake disc 14 is fixed on the outer side of the brake stop pin 43, when the brake cable 13 is pulled and locked, the distance between the first stop block 131 and the second stop block 132 is compressed, the brake stop block 42 is driven to move inwards along the sliding groove, and the brake stop pin 43 is pushed and clamped into the gap of the brake disc 14, thereby realizing the braking function. When the brake cable is released, the brake spring 44 pushes the brake block 42 to move to the left, and the brake stop pin 43 retracts, thereby restoring the free movement of the wheel.

After the assembly of the bracket main body 1 and the brake assembly 4 is completed, the bracket main body 1 can be fixed by mounting bolts at two 11 of the positioning holes at two ends of the bracket main body 1, or the bracket main body 1 is fixed on the trailer frame 2 by integrally formed hoops 12 at two ends of the bracket main body 1, and then the quick-release type axle 16 (provided with the brake disc 14, the first bearing 15, the second bearing 17, the bearing cover 18 and the wheel 19) passes through the wheel axle sleeve 8 of the bracket main body and is fixed.

When using this utility model to connect trailer frame and axletree, axletree ground clearance is higher than the ground clearance of trailer frame bottom, consequently can reduce trailer carriage's focus when keeping jumbo size rear wheel to stability when promoting the operation. On the premise of not changing the whole size, the brake function is added to the connecting piece by using a simple and compact structure. Can reach the wheel in the packing transportation the utility model discloses pull down, reduced the frame size, improved vanning density, reduced the cost of transportation.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. 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 (10)

1. The low-gravity-center trailer wheel shaft support with the brake function is characterized by comprising a support main body (1), wherein the support main body (1) is fixedly connected with a trailer frame (2), and an eccentric through hole (3) penetrates through the middle part of the support main body (1);

support main part (1) internal fixation has brake subassembly (4), brake subassembly (4) including being fixed in brake ware shell (41) in support main part (1), slide set up in brake ware dog (42) in brake ware shell (41) and with brake ware end position round pin (43) that brake ware dog (42) are connected, brake ware dog (42) are in carry out the left and right slip in brake ware shell (41) and drive brake ware end position round pin (43) and stretch out or retract.

2. A low center of gravity trailer axle bracket with braking capability as claimed in claim 1 wherein: the bracket main body (1) is of an integrally formed structure, and the upper end and the lower end of the bracket main body (1) are provided with clamping hoops (12); the outer side of the bracket main body (1) is provided with a vertical plane (6), the inner side of the bracket main body (1) is provided with a section (5), and the middle part of the section (5) is provided with a limiting groove (7); the wheel shaft sleeve (8) penetrates through the eccentric through hole (3) and is tightly connected with the locknut (9).

3. A low center of gravity trailer axle bracket with braking capability as claimed in claim 2 wherein: the wheel axle sleeve (8) is a T-shaped head hollow bolt, the T-shaped head of the wheel axle sleeve (8) is positioned in the limiting groove (7), and the quick-release wheel axle penetrates through the wheel axle sleeve (8) and is fixed; the locknut (9) is in close contact with the vertical plane (6).

4. A low center of gravity trailer axle bracket with braking capability as claimed in claim 2 wherein: the two sides of the trailer frame (2) are provided with mounting racks, each mounting rack comprises two round tubes which are arranged in an up-down symmetrical mode and two U-shaped tubes which are arranged in a left-right symmetrical mode, and the top and the bottom of each section bar section (5) are respectively contacted with the two round tubes.

5. The low center of gravity trailer wheel axle bracket with braking function of claim 4, wherein: two positioning holes I (10) are arranged at the position of a circular tube of the trailer frame (2) in a penetrating mode, a positioning hole II (11) is arranged at the position, corresponding to the positioning holes I (10), of the clamp (12) in a penetrating mode, and the clamp (12) is fixed to the trailer frame (2) through bolts or rivets, so that the support main body (1) is fixed to the trailer frame (2).

6. A low center of gravity trailer axle bracket with braking capability as claimed in claim 2 wherein: section bar section (5) are "concave" style of calligraphy structure, section bar section (5) are supreme section bar hypomere (51), section bar middle section (52) and section bar upper segment (53) of including in proper order from bottom to top, the medial surface of section bar hypomere (51) with vertical plane (6) are parallel arrangement, the medial surface of section bar upper segment (53) with vertical plane (6) are the slope setting, spacing groove (7) are located section bar middle section (52), the vertical first strengthening rib (54) that is provided with in inside of section bar upper segment (53).

7. The low center of gravity trailer wheel axle bracket with braking function of claim 6, wherein: a first square hole penetrates through the lower part of the bracket main body (1), the first square hole is positioned at the lower section (51) of the profile, a second reinforcing rib (55) is vertically arranged inside the lower section (51) of the profile, a second square hole penetrates through the second reinforcing rib (55), and the first square hole is communicated with the second square hole; mounting holes (56) are formed in two sides of a second square hole of the second reinforcing rib (55), the brake shell (41) is arranged in the first square hole and the second square hole, the brake fixing bolt (57) is in threaded connection with the mounting holes (56) in a screwing mode, and the tail end of the brake fixing bolt (57) is abutted to the brake shell (41).

8. A low center of gravity trailer axle bracket with braking capability as claimed in claim 1 wherein: brake ware shell (41) is square shell, the inside below of brake ware shell (41) has a spout, brake ware dog (42) slide set up in the spout, spring (44) set up in brake ware shell (41), brake ware dog (42) are supported to the one end of spring (44), and the other end of spring (44) supports the inboard of brake ware shell (41), and brake ware end position round pin (43) pass spring (44) and fix on brake ware dog (42) through interference fit's mode.

9. A low center of gravity trailer axle bracket with braking capability as claimed in claim 8 wherein: the brake device is characterized in that a semicircular groove is formed in the lower portion of the brake device stop block (42), a first stop groove (45) is formed in the semicircular groove, a second stop groove (46) is further formed in the lower end of the interior of the brake device shell (41), and the brake cable (13) penetrates through the sliding groove of the brake device shell (41) and penetrates out of the sliding groove and is connected to a brake handle of a trailer or a trailer handrail.

10. A low center of gravity trailer axle bracket with braking capability as claimed in claim 9 wherein: the brake cable (13) is provided with a first stop block (131) and a second stop block (132), the first stop block (131) is located in a second stop groove (46), the second stop block (132) is located in a first stop groove (45), the brake cable (13) is pulled and locked, the distance between the first stop block (131) and the second stop block (132) is compressed, and the second stop block (132) drives the brake block (42) to move towards the right side and drives the brake stop pin (43) to move towards the right side.

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