CN215691563U

CN215691563U - Single-bridge shaft-penetrating bridge

Info

Publication number: CN215691563U
Application number: CN202120895880.9U
Authority: CN
Inventors: 杨月伟
Original assignee: Guangdong Jinlongtai Mould Products Co ltd
Current assignee: Guangdong Jinlongtai Mould Products Co ltd
Priority date: 2021-04-28
Filing date: 2021-04-28
Publication date: 2022-02-01
Anticipated expiration: 2031-04-28

Abstract

The utility model discloses a single-bridge through-axle bridge, which comprises a bridge body, wherein a threaded rod is arranged on one side of the bridge body, a moving block is in threaded connection with the outer side of the threaded rod, a fixed shaft is arranged on the lower side of the bridge body, moving shafts are arranged on two sides of the fixed shaft, a sinking groove is formed in the outer side of each moving shaft, a lantern ring is connected in the sinking groove in a sliding mode, a wedge groove is formed in the outer side of the lantern ring, a wedge block is connected in the wedge groove in a sliding mode, the wedge block and one side of the moving block are hinged together through a connecting rod, a cavity is formed in the moving shafts, a sliding shaft is connected in the cavity in a sliding mode, a plurality of supporting rods are arranged on one side of the cavity, an arc plate is fixedly connected to one end of each supporting rod, and a rubber wheel is fixedly connected to the outer side of the arc plate. According to the utility model, the movable block, the fixed shaft, the movable shaft and the support rod are arranged, so that the distance between the two rubber wheels can be adjusted, the diameter of the rubber wheels can be adjusted, the device is suitable for more road conditions, and the applicability of the device is improved.

Description

Single-bridge shaft-penetrating bridge

Technical Field

The utility model relates to the field of electric skateboard assemblies, in particular to a single-axle shaft-penetrating bridge.

Background

The skateboard wheel size of the skateboard deck provides a different experience for the user when using the skateboard. During the use process, the electric skateboard can be used in different road conditions, and the skateboard wheels with different sizes need to be matched and the distance between the skateboard wheels needs to be adjusted to obtain the adaptive performance, for example, the size of the wheels with 38-40mm is small, the starting and accelerating speed is high, but the back force is small, so that the electric skateboard is suitable for a very flat road; wheels of 45mm-50mm are the most suitable sliding plate wheels for road type; the 52-60mm slide plate wheel is suitable for various props, and can bring sufficient power to users although the starting speed is slow; and in the field, more suitable more than 60mm, equally, when pursuing speed, reduce the interval between two wheels, can the person of facilitating the use turn or make various performance actions, when pursuing stability, increase the interval between two wheels and can make electric skateboard more stable. However, in the prior art, not only the diameter of the skateboard wheel is difficult to adjust, but also the distance between the two wheels is difficult to adjust, so that the applicability of the electric skateboard is not high.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the defects in the prior art, and provides a single-bridge through-axle bridge frame, so that the problems in the prior art are solved.

In order to achieve the purpose, the utility model adopts the following technical scheme:

a single-bridge through-axle bridge frame comprises a bridge frame body, wherein a pedal is fixedly connected to the upper side of the bridge frame body through bolts, a mounting groove is formed in one side of the bridge frame body, a threaded rod is rotatably connected to the bottom of the mounting groove, a moving block is in threaded connection with the outer side of the threaded rod, a through hole is formed in the lower side of the bridge frame body, a fixing shaft is fixedly connected in the through hole, moving shafts are arranged on two sides of the fixing shaft, a sunken groove is formed in the outer side of each moving shaft, a lantern ring is connected in the sunken groove in a sliding mode, a wedge is arranged on the outer side of the lantern ring and connected in the wedge, a connecting rod is hinged to one side of the wedge and one side of the moving block together, a cavity is formed in the moving shaft, a sliding shaft is connected in the cavity in a sliding mode, a plurality of supporting rods are arranged on one side of the cavity, and an arc-shaped plate is fixedly connected to one end of each supporting rod, the outer sides of the arc-shaped plates are fixedly connected with rubber wheels together.

Preferably, the upside of threaded rod passes crane span structure body and footboard and fixedly connected with adjusting nut, the upside of footboard is equipped with the adjustment tank, adjusting nut set up in the adjustment tank and with adjustment tank sliding connection, the both sides of crane span structure body all are equipped with and dodge the groove.

Preferably, the both sides of fixed axle all are equipped with the fixed orifices, every the equal fixedly connected with joint axle in one side of removal axle, joint axle and fixed orifices sliding connection, a plurality of shaft key of the outside fixedly connected with of joint axle, the inner wall of fixed orifices is equipped with a plurality of keyway, shaft key and keyway one-to-one set up and sliding connection.

Preferably, the tank bottom of heavy groove is equipped with logical groove, the inner wall fixedly connected with connecting block of the lantern ring, the one end of connecting block and the outer wall fixed connection of slide-spindle, the connecting block corresponds the setting and sliding connection with leading to the groove, the one end of keeping away from the connecting block of slide-spindle is equipped with the inclined plane, fixedly connected with first spring between the one end of keeping away from the connecting block of slide-spindle and the inner wall of cavity.

Preferably, the inner wall of the cavity is provided with a plurality of sliding holes, the supporting rods correspond to the sliding holes one to one and are in sliding connection with the sliding holes, and one end, far away from the arc-shaped plate, of each supporting rod is provided with a semicircular extrusion arc surface.

Preferably, both sides of the fixed shaft are provided with limiting holes, each limiting hole is internally provided with a pull rod in a sliding connection mode, a second spring is fixedly connected between each pull rod and the hole bottom of each limiting hole, one side of each pull rod is rotatably connected with a connecting plate, the other side of each connecting plate is fixedly connected with a limiting rod, one side of the moving shaft is provided with a clamping hole, and each limiting rod corresponds to the corresponding clamping hole.

The utility model has the advantages that: according to the single-bridge through-axle bridge frame provided by the utility model, the moving block, the fixed shaft, the moving shaft and the supporting rod are arranged, so that the distance between the two rubber wheels can be adjusted, the diameters of the rubber wheels can be adjusted, the single-bridge through-axle bridge frame is suitable for more road conditions, and the applicability of the device is improved.

Drawings

FIG. 1 is a schematic diagram of the basic structure of the present invention;

FIG. 2 is an enlarged view of a portion of FIG. 1 at A;

fig. 3 is a sectional view B-B in fig. 2.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the utility model and are not intended to limit the utility model.

Example 1

As shown in fig. 1-3, the single-axle through-axle bridge provided by the utility model comprises a bridge body 1, wherein the upper side of the bridge body 1 is fixedly connected with a pedal 2 through a bolt, the pedal 2 is used for supporting and treading a user, one side of the bridge body 1 is provided with a mounting groove 11, the bottom of the mounting groove 11 is rotatably connected with a threaded rod 12, the outer side of the threaded rod 12 is in threaded connection with a moving block 13, the upper side of the threaded rod 12 penetrates through the bridge body 1 and the pedal 2 and is fixedly connected with an adjusting nut 121, the upper side of the pedal 2 is provided with an adjusting groove, the adjusting nut 121 is arranged in the adjusting groove and is in sliding connection with the adjusting groove, two sides of the bridge body 1 are provided with avoiding grooves 15, the adjusting nut 121 and the threaded rod 12 can be driven to rotate together by rotating the adjusting nut 121, so that the moving block 13 is driven to move on the threaded rod 12 in a threaded screwing manner, the bridge frame comprises a bridge frame body 1, wherein a through hole is formed in the lower side of the bridge frame body 1, a fixing shaft 3 is fixedly connected in the through hole, moving shafts 4 are arranged on two sides of the fixing shaft 3, fixing holes are formed in two sides of the fixing shaft 3, a clamping shaft 47 is fixedly connected to one side of each moving shaft 4, the clamping shaft 47 is connected with the fixing holes in a sliding mode, a plurality of shaft keys 471 are fixedly connected to the outer sides of the clamping shafts 47, a plurality of key grooves are formed in the inner walls of the fixing holes, the shaft keys 471 and the key grooves are arranged in a one-to-one correspondence mode and are connected in a sliding mode, a sunken groove 41 is formed in the outer side of each moving shaft 4, a sleeve ring 42 is connected in the sunken groove 41 in the sliding mode, a wedge groove 421 is formed in the outer side of the sleeve ring 42, a wedge block 422 is connected in the wedge groove 421 in the sliding mode, a connecting rod 14 is hinged to one side of a moving block 13 together, when the fixing shaft 3 and the moving shaft 4 are not clamped, an acting force can be given to the connecting rod 14 due to move up and down, the connecting rod 14 can transmit the force to the sleeve ring 42 again, so that the two moving shafts 4 are separated toward both sides, the fastening shaft 47 slides in the fixing hole, the shaft key 471 slides in the key groove, thereby adjusting the relative position of the movable shaft 4 and the fixed shaft 3, the inner part of the movable shaft 4 is provided with a cavity 43, the cavity 43 is internally and slidably connected with a sliding shaft 44, one side of the cavity 43 is provided with a plurality of supporting rods 45, one end of each supporting rod 45 is fixedly connected with an arc-shaped plate 451, the outer side of the arc-shaped plate 451 is fixedly connected with a rubber wheel 46 together, the rubber wheel 46 has elasticity, the purpose of the size of the rubber wheel 46 can be adjusted by adjusting the length of the supporting rod 45, the relative position of the movable shaft 4 and the fixed shaft 3 is adjusted, the purpose of adjusting the distance between the two rubber wheels 46 can be achieved, the shaft key 471 and the key groove enable the motion conditions of the two movable shafts 4 and the fixed shaft 3 to be the same, and the phenomenon that the rubber wheels 46 on two sides are turned on one side due to different rotating speeds is avoided.

The groove bottom of the sinking groove 41 is provided with a through groove 411, the inner wall of the lantern ring 42 is fixedly connected with a connecting block 423, one end of the connecting block 423 is fixedly connected with the outer wall of the sliding shaft 44, the connecting block 423 is correspondingly arranged with the through groove 411 and is in sliding connection, one end of the sliding shaft 44 far away from the connecting block 423 is provided with an inclined surface 441, a first spring 442 is fixedly connected between one end of the sliding shaft 44 far away from the connecting block 423 and the inner wall of the cavity 43, the inner wall of the cavity 43 is provided with a plurality of sliding holes, the supporting rods 45 are in one-to-one correspondence with the sliding holes and are in sliding connection, one end of the supporting rod 45 far away from the arc-shaped plate 451 is provided with a semicircular extrusion arc surface, when the fixed shaft 3 and the moving shaft 4 are clamped, the moving block 13 moves up and down to give an acting force to the connecting rod 14, the connecting rod 14 transmits the force to the wedge 422, the wedge 422 pushes the lantern ring 42 to slide in the sinking groove 41, the lantern ring 42 drives the sliding shaft 44 to move together through the connecting 423, the sliding shaft 44 moves to enable the extrusion force of the inclined surface 441 on the extrusion arc surface below the supporting rod 45 to be different, so that the length of the supporting rod 45 extending out of the sliding hole is adjusted, and the purpose of adjusting the size of the rubber wheel 46 is achieved.

Fixed axle 3's both sides all are equipped with spacing hole 31, equal sliding connection has pull rod 311 in every spacing hole 31, fixedly connected with second spring between the hole bottom of pull rod 311 and spacing hole 31, one side of pull rod 311 rotates and is connected with connecting plate 312, the opposite side fixedly connected with gag lever post 313 of connecting plate 312, one side of removal axle 4 is equipped with the joint hole, gag lever post 313 corresponds the setting with the joint hole, when gag lever post 313 matches with the joint hole, fixed axle 3 and removal axle 4 are died by the card, the unable relative motion of the two, when pulling up and rotating connecting plate 312, when making gag lever post 313 withdraw from the joint hole, fixed axle 3 and removal axle 4 are no longer died by the card, relative motion can take place.

When the fixed shaft 3 and the moving shaft 4 are clamped, the adjusting nut 121 is rotated to enable the moving block 13 to move downwards, the moving block 13 provides an acting force for the connecting rod 14, the connecting rod 14 transmits the acting force to the wedge block 422, the wedge block 422 pushes the lantern ring 42 to slide in the sinking groove 41, the lantern ring 42 drives the sliding shaft 44 to move together through the connection 423 and compress the first spring 442, the sliding shaft 44 moves to enable the inclined surface 441 to generate different extrusion forces on the extrusion arc surface below the supporting rod 45, so that the length of the supporting rod 45 extending out of the sliding hole is adjusted to achieve the purpose of adjusting the size of the rubber wheel 46, when the fixed shaft 3 and the moving shaft 4 are not clamped, the first spring 442 provides an elastic force for the sliding shaft 44, the wedge block 422 cannot push the lantern ring 42 to slide, the moving shaft 4 is driven to move towards the outside of the fixed hole integrally, and the clamping shaft 47 slides in the fixed hole, the shaft key 471 slides in the key slot, thereby achieving the purpose of adjusting the distance between the two rubber wheels 46

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a single bridge poling crane span structure, includes crane span structure body (1), its characterized in that: the upper side of crane span structure body (1) passes through bolt fixedly connected with footboard (2), one side of crane span structure body (1) is equipped with mounting groove (11), the bottom of mounting groove (11) is rotated and is connected with threaded rod (12), the outside threaded connection of threaded rod (12) has movable block (13), the downside of crane span structure body (1) is equipped with the through-hole, fixedly connected with fixed axle (3) in the through-hole, the both sides of fixed axle (3) all are equipped with removal axle (4), the outside of removal axle (4) is equipped with heavy groove (41), sliding connection has lantern ring (42) in heavy groove (41), the outside of lantern ring (42) is equipped with wedge groove (421), sliding connection has wedge (422) in wedge groove (421), wedge (422) and one side of movable block (13) are articulated jointly have connecting rod (14), the inside of removal axle (4) is equipped with cavity (43), the utility model discloses a rubber wheel, including cavity (43), one side of cavity (43) is equipped with a plurality of bracing piece (45), every the equal fixedly connected with arc (451) of one end of bracing piece (45), the common fixedly connected with rubber wheel (46) in the outside of arc (451).

2. The single axle shaft bridge of claim 1, wherein: the upside of threaded rod (12) passes crane span structure body (1) and footboard (2) and fixedly connected with adjusting nut (121), the upside of footboard (2) is equipped with the adjustment tank, adjusting nut (121) set up in the adjustment tank and with adjustment tank sliding connection, the both sides of crane span structure body (1) all are equipped with dodges groove (15).

3. The single axle shaft bridge of claim 1, wherein: the both sides of fixed axle (3) all are equipped with the fixed orifices, every move the equal fixedly connected with joint axle (47) in one side of axle (4), joint axle (47) and fixed orifices sliding connection, a plurality of shaft key (471) of the outside fixedly connected with of joint axle (47), the inner wall of fixed orifices is equipped with a plurality of keyway, shaft key (471) and keyway one-to-one set up and sliding connection.

4. The single axle shaft bridge of claim 1, wherein: the tank bottom of heavy groove (41) is equipped with logical groove (411), the inner wall fixedly connected with connecting block (423) of lantern ring (42), the outer wall fixed connection of the one end of connecting block (423) and smooth axle (44), connecting block (423) and logical groove (411) correspond and set up and sliding connection, the one end of keeping away from connecting block (423) of smooth axle (44) is equipped with inclined plane (441), fixedly connected with first spring (442) between the inner wall of the one end of keeping away from connecting block (423) of smooth axle (44) and cavity (43).

5. The single axle shaft bridge of claim 1, wherein: the inner wall of the cavity (43) is provided with a plurality of sliding holes, the supporting rods (45) correspond to the sliding holes one by one and are connected in a sliding mode, and one end, far away from the arc-shaped plate (451), of each supporting rod (45) is provided with a semicircular extrusion arc surface.

6. The single axle shaft bridge of claim 1, wherein: the both sides of fixed axle (3) all are equipped with spacing hole (31), equal sliding connection has pull rod (311) in every spacing hole (31), fixedly connected with second spring between the hole bottom of pull rod (311) and spacing hole (31), one side of pull rod (311) is rotated and is connected with connecting plate (312), opposite side fixedly connected with gag lever post (313) of connecting plate (312), one side of removal axle (4) is equipped with the joint hole, gag lever post (313) corresponds the setting with the joint hole.