CN214775235U

CN214775235U - Connecting trailer rod with movable ball pin

Info

Publication number: CN214775235U
Application number: CN202121086849.7U
Authority: CN
Inventors: 许正洪; 孟贤海; 韩强
Original assignee: Hangzhou Longfeng Machinery Tools Co ltd
Current assignee: Hangzhou Longfeng Machinery Tools Co ltd
Priority date: 2021-05-20
Filing date: 2021-05-20
Publication date: 2021-11-19
Anticipated expiration: 2031-05-20

Abstract

The utility model discloses a connecting trailer rod with a movable ball pin, which comprises a front end trailer rod, wherein the front end trailer rod comprises a traction rod, the upper surface of the traction rod is provided with a first circular through hole, the inner wall of the first circular through hole is movably connected with a bearing, the front side surface of the traction rod is fixedly connected with a first fixed block, the upper surface of the first fixed block is movably connected with a first connecting rotating shaft in a penetrating way, the upper surface of the first connecting rotating shaft is fixedly connected with a first connecting arc block, the front side surface of the first connecting arc block is fixedly connected with a first arc rod, the front side surface of the first arc rod is fixedly connected with a limit block, the back side surface of the limit block is fixedly connected with a first support block, and a connecting rod consisting of the first arc rod and the first connecting rotating shaft part can be used for secondarily assisting in connecting the traction rod and the towing rod, meanwhile, the device can relieve the pulling force and the friction force between the front end trailer rod and the rear end trailer rod, and reduce the abrasion degree of a central connecting part, the pressure when reducing the device and using improves the practicality of whole device.

Description

Connecting trailer rod with movable ball pin

Technical Field

The utility model relates to a trailer pole, in particular to connect trailer pole with activity bulb round pin belongs to trailer pole device field.

Background

The trailer ball is also called a trailer hook, a ball type rear trailer hook or a trailer rod, a traction rod and the like, and the trailer ball in a broad sense comprises three parts: fixed bolster, spheroid and power harness (power control unit).

The traditional trailer connecting rod is a thick connecting pull rod, when a traction vehicle is stopped, the connecting position of the connecting pull rod is abraded, and the normal use and the service life of the connecting pull rod are influenced.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a connect trailer pole with movable ball round pin to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a connecting trailer rod with a movable ball pin comprises a front end trailer rod, wherein the front end trailer rod comprises a traction rod, a first circular through hole is formed in the upper surface of the traction rod, a bearing is movably connected to the inner wall of the first circular through hole, a first fixed block is fixedly connected to the front side surface of the traction rod, the upper surface of the first fixed block is movably connected with a first connecting rotating shaft in a penetrating manner, the upper surface of the first connecting rotating shaft is fixedly connected with a first connecting arc block, the front side surface of the first connecting arc block is fixedly connected with a first arc rod, the front side surface of the first arc rod is fixedly connected with a limiting block, the back side surface of the limiting block is fixedly connected with a first supporting block, the right end of the back side surface of the supporting block is fixedly connected with a second arc rod, the back side surface of the second arc rod is fixedly connected with a second connecting rotating shaft, and the right end of the traction rod is provided with a rear end trailer rod, the rear end trailer rod top is provided with connecting device, the rear end trailer rod includes the drag pole, drag pole left surface fixedly connected with connecting block, connecting block right flank fixedly connected with supporting shoe two, connecting block left surface fixedly connected with arc piece and fixed semicircle piece, circular through-hole two has been seted up to fixed semicircle piece upper surface, two inner wall swing joint of circular through-hole have the ring pad, ring pad inner wall swing joint has fixed ring, drag pole positive flank fixedly connected with fixed block two.

Preferably, connecting device includes the circle piece, circle piece lower fixed surface is connected with the connecting thread axle, connecting thread axle week side lower extreme runs through threaded connection has the nut, connect two circumference sides of pivot and run through and rotate two upper surfaces of connection fixed block, fixed block one uses the traction lever as the symmetrical setting around the center, fixed semicircle piece upper surface fixed connection arc piece lower surface, fixed semicircle piece upper surface swing joint circular through-hole lower surface, fixed semicircle piece uses the arc piece to set up as central longitudinal symmetry, connecting thread axle circumference side swing joint fixed ring and bearing inner wall, nut lower surface swing joint fixed semicircle piece lower surface.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the connecting trailer rod with the movable ball head pin has the advantages that a user connects a traction rod to a front traction vehicle when in use, then aligns an arc-shaped block and a fixed semi-circular block in the rear end trailer rod in parallel with the traction rod, and then connects the two devices by using a connecting device, the user connects the traction rod to the towed vehicle, the whole connecting trailer rod is changed into a connecting mode, the user connects two ends of a limiting block with a first connecting rotating shaft and a second connecting rotating shaft respectively to a first fixed block and a second fixed block, the whole device is connected, when the front vehicle is towed, the traction rod extrudes the traction rod when in use, a bearing inside a circular through hole is extruded, abrasion is generated in the long-time use process, so a structure of a circular ring pad and a fixed circular ring is adopted in the rear end trailer rod, and a connecting threaded shaft is connected with the fixed circular ring to form a harder substance, when the bearing extrudes the connecting threaded shaft, the upper end and the lower end of the connecting threaded shaft can drive the fixed ring to extrude the ring pad, the fixed ring can prolong the distance and the position of the connecting threaded shaft at the second circular through hole, the ring pad can reduce the impact force of the fixed ring on the fixed semicircular block, the abrasion of the fixed ring on the fixed semicircular block is reduced, and the service life of the whole device is prolonged.

2. This connect tow bar with activity bulb round pin, in the front end tow bar, by the stopper, the connecting rod that arc pole one and connection pivot part are constituteed can assist once more to connect traction lever and tow bar, and pulling force and frictional force between front end tow bar and the rear end tow bar can be alleviated to this device simultaneously, reduce the degree of wear at central joint position, pressure when reducing the device and using improves the practicality of whole device.

Drawings

FIG. 1 is a schematic view of the front structure of a connecting trailer rod with a movable ball pin of the present invention;

FIG. 2 is a schematic view of the cross-sectional structure of the front end trailer rod of the present invention;

FIG. 3 is a schematic view of the cross-sectional structure of the rear end trailer rod of the present invention;

fig. 4 is a schematic sectional view of the connecting device of the present invention.

In the figure: 1. a front end tow bar; 101. a draw bar; 102. a first circular through hole; 103. a bearing; 104. a first fixed block; 105. the first rotating shaft is connected; 106. connecting the first arc block; 107. a first arc rod; 108. a limiting block; 109. a first supporting block; 110. a second arc rod; 111. connecting an arc block II; 112. connecting a second rotating shaft; 2. a rear end tow bar; 201. a drag lever; 202. connecting blocks; 203. a second supporting block; 204. an arc-shaped block; 205. fixing the semicircular block; 206. a second circular through hole; 207. a circular ring pad; 208. fixing the circular ring; 209. a second fixed block; 3. a connecting device; 301. a round block; 302. connecting a threaded shaft; 303. and a nut.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides a technical solution: a connecting trailer rod with a movable ball pin comprises a front end trailer rod 1, wherein the front end trailer rod 1 comprises a traction rod 101, a circular through hole I102 is formed in the upper surface of the traction rod 101, a bearing 103 is movably connected to the inner wall of the circular through hole I102, a fixed block I104 is fixedly connected to the front side surface of the traction rod 101, a connecting rotating shaft I105 is movably connected to the upper surface of the fixed block I104 in a penetrating manner, a connecting arc block I106 is fixedly connected to the upper surface of the connecting rotating shaft I105, an arc rod I107 is fixedly connected to the front side surface of the connecting arc block I106, a limiting block 108 is fixedly connected to the front side surface of the arc rod I107, a supporting block I109 is fixedly connected to the back side surface of the limiting block 108, an arc rod II 110 is fixedly connected to the right end of the supporting block I109, a connecting arc block II 111 is fixedly connected to the back side surface of the arc rod II 110, a rotating shaft II 112 is fixedly connected to the lower surface of the connecting arc block II 111, and a rear end trailer rod 2 is arranged at the right end of the traction rod 101, rear end tow bar 2 top is provided with connecting device 3, rear end tow bar 2 includes tow bar 201, tow bar 201 left surface fixedly connected with connecting block 202, connecting block 202 right flank fixedly connected with supporting shoe two 203, connecting block 202 left surface fixedly connected with arc piece 204 and fixed semicircle piece 205, circular through-hole two 206 has been seted up to fixed semicircle piece 205 upper surface, circular through-hole two 206 inner wall swing joint has ring pad 207, ring pad 207 inner wall swing joint has fixed ring 208, tow bar 201 positive side fixedly connected with fixed block two 209.

Wherein, the connecting device 3 comprises a round block 301, the lower surface of the round block 301 is fixedly connected with a connecting threaded shaft 302, the lower end of the circumferential side surface of the connecting threaded shaft 302 is connected with a nut 303 through a thread, the circumferential side surface of a connecting rotating shaft II 112 is connected with the upper surface of a fixing block II 209 through a rotating way, the fixing block I104 is arranged symmetrically front and back by taking the draw bar 101 as the center, the upper surface of a fixing semicircle block 205 is fixedly connected with the lower surface of an arc-shaped block 204, the upper surface of the fixing semicircle block 205 is movably connected with the lower surface of a round through hole I102, the fixing semicircle block 205 is arranged symmetrically up and down by taking the arc-shaped block 204 as the center, the circumferential side surface of the connecting threaded shaft 302 is movably connected with a fixing ring 208 and the inner wall of a bearing 103, the lower surface of the nut 303 is movably connected with the lower surface of the fixing semicircle block 205, a connecting rod consisting of a limiting block 108, an arc rod 107 and a connecting rotating shaft I105 can be used for assisting in connecting the draw bar 101 and the draw bar 201 again, meanwhile, the device can relieve the tension and the friction between the front end trailer rod 1 and the rear end trailer rod 2, reduce the abrasion degree of the central connection part, reduce the pressure when the device is used and improve the practicability of the whole device.

Specifically, when the utility model is used, a user connects the traction rod 101 to the front traction vehicle when using, then aligns the arc block 204 and the fixed semicircular block 205 in the rear end trailer rod 2 in parallel with the traction rod 101, then connects the two devices by the connecting device 3, the user connects the traction rod 201 to the vehicle to be pulled, the whole connection trailer rod is connected, at the moment, the user connects the two ends of the limit block 108 with the first rotating shaft 105 and the second rotating shaft 112 respectively with the first fixed block 104 and the second fixed block 209, the whole device is connected, when the front vehicle is pulled, the traction rod 101 extrudes the traction rod 201 when using, the bearing 103 in the first circular through hole 102 is extruded, abrasion is generated in the long-time using process, so the structure of the circular ring pad 207 and the fixed circular ring 208 is adopted in the rear end trailer rod 2, the connecting threaded shaft 302 and the fixed circular ring 208 are connected together to be a harder substance, when the bearing 103 presses the connecting threaded shaft 302, the upper end and the lower end of the connecting threaded shaft 302 can drive the fixed circular ring 208 to press the circular ring pad 207, the fixed circular ring 208 can prolong the distance and the position of the connecting threaded shaft 302 in the circular through hole II 206, the circular ring pad 207 can reduce the impact force of the fixed circular ring 208 on the fixed semicircular block 205, reduce the abrasion of the fixed circular ring 208 on the fixed semicircular block 205, prolong the service life of the whole device, in the front end trailer rod 1, a connecting rod consisting of a limiting block 108, a first arc rod 107 and a first connecting rotating shaft 105 can be used for assisting in connecting the traction rod 101 and the trailer rod 201 again, meanwhile, the device can relieve the tension and the friction between the front end trailer rod 1 and the rear end trailer rod 2, reduce the abrasion degree of the central connection part, reduce the pressure when the device is used and improve the practicability of the whole device.

In the description of the present invention, it is to be understood that the terms "coaxial", "bottom", "one end", "top", "middle", "other end", "upper", "one side", "top", "inner", "front", "center", "both ends", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Furthermore, the terms "first", "second", "third", "fourth" are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated, whereby the features defined as "first", "second", "third", "fourth" may explicitly or implicitly include at least one such feature.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "disposed," "connected," "fixed," "screwed" and the like are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through an intermediate medium, and may be connected through the inside of two elements or in an interaction relationship between two elements, unless otherwise specifically defined, and the specific meaning of the above terms in the present invention will be understood by those skilled in the art according to specific situations.

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 invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a connect trailer pole with activity bulb round pin, includes front end trailer pole (1), front end trailer pole (1) includes traction lever (101), its characterized in that: a first round through hole (102) is formed in the upper surface of the traction rod (101), a bearing (103) is movably connected to the inner wall of the first round through hole (102), a first fixing block (104) is fixedly connected to the positive side surface of the traction rod (101), the upper surface of the first fixing block (104) is movably connected with a first connecting rotating shaft (105) in a penetrating manner, the upper surface of the first connecting rotating shaft (105) is fixedly connected with a first connecting arc block (106), the positive side surface of the first connecting arc block (106) is fixedly connected with a first arc rod (107), a limiting block (108) is fixedly connected to the front side surface of the first arc rod (107), a supporting block I (109) is fixedly connected to the back side surface of the limiting block (108), the right end of the back side surface of the first supporting block (109) is fixedly connected with a second arc rod (110), the back side surface of the second arc rod (110) is fixedly connected with a second connecting arc block (111), the lower surface of the second connecting arc block (111) is fixedly connected with a second connecting rotating shaft (112);

the right end of the traction rod (101) is provided with a rear end trailer rod (2);

and a connecting device (3) is arranged above the rear end trailer rod (2).

2. The connecting trailer rod with the movable ball stud as claimed in claim 1, wherein: rear end tow truck pole (2) are including tow truck pole (201), tow truck pole (201) left surface fixedly connected with connecting block (202), connecting block (202) right flank fixedly connected with supporting shoe two (203), connecting block (202) left surface fixedly connected with arc piece (204) and fixed semicircle piece (205), circular through-hole two (206) have been seted up to fixed semicircle piece (205) upper surface, circular through-hole two (206) inner wall swing joint has ring pad (207), ring pad (207) inner wall swing joint has fixed ring (208), tow truck pole (201) positive side fixedly connected with fixed block two (209).

3. The connecting trailer rod with the movable ball stud as claimed in claim 1, wherein: the connecting device (3) comprises a round block (301), a connecting threaded shaft (302) is fixedly connected to the lower surface of the round block (301), and a nut (303) is connected to the lower end of the circumferential side surface of the connecting threaded shaft (302) in a penetrating and threaded mode.

4. The connecting trailer rod with the movable ball stud as claimed in claim 1, wherein: the circumferential side face of the second connecting rotating shaft (112) penetrates through the upper surface of a second fixing block (209) in a rotating connection mode, and the first fixing blocks (104) are arranged in a front-back symmetrical mode with the traction rod (101) as the center.

5. The connecting trailer rod with the movable ball stud as claimed in claim 2, wherein: fixed semicircle piece (205) upper surface fixed connection arc piece (204) lower surface, fixed semicircle piece (205) upper surface swing joint circular through-hole (102) lower surface, fixed semicircle piece (205) use arc piece (204) to set up as central longitudinal symmetry.

6. A connecting trailer rod with a movable ball stud as defined in claim 3 wherein: the circumference side surface of the connecting threaded shaft (302) is movably connected with a fixed ring (208) and the inner wall of the bearing (103), and the lower surface of the nut (303) is movably connected with the lower surface of the fixed semicircular block (205).