CN220265096U - Novel jack with rotary disk rotating structure - Google Patents

Abstract

The utility model relates to a novel jack with a rotary disk rotating structure, which comprises a trailer jack and also comprises a rotary disk rotating structure arranged on the trailer jack, wherein the rotary disk rotating structure is fixedly connected with a fixed cylinder of a trailer and a rotating cylinder fixedly connected with the trailer jack, the rotating cylinder is rotatably sleeved on the fixed cylinder, a directional bolt for limiting the rotating cylinder to be separated from the fixed cylinder is arranged between the rotating cylinder and the fixed cylinder, the rotating cylinder is provided with a rotating hole, the fixed cylinder is circumferentially provided with a plurality of fixed holes along the axial direction, the rotating cylinder is slidably provided with a fixed bolt, and the fixed bolt can be inserted into the rotating hole and any fixed hole to limit the rotating cylinder to rotate relative to the fixed cylinder; the guide way has been seted up to the section of thick bamboo that rotates, the section of thick bamboo that rotates can be followed the path direction that the guide way was seted up rotates this application has the effect of conveniently rotating fixedly to the trailer jack.

Description

Novel jack with rotary disk rotating structure

Technical Field

The application relates to the field of trailers, in particular to a novel jack with a rotating disc rotating structure and a trailer jack.

Background

Trailer jacks are a device that is specifically used to lift and support a trailer and have the primary function of providing additional support to remain stable when the trailer is in need of parking or maintenance.

The trailer jack is typically coupled to the trailer for supporting and short-range traction to the trailer, and the support wheels of the trailer jack are spaced away from the ground when the trailer is coupled to the tractor so as not to contact the ground.

The traditional trailer jack and trailer are all through fixed bolt connection trailer and trailer jack, and when not using, extract fixed bolt at first, rotate the trailer jack and make the backing wheel of jack leave ground, and the reuse bolt is fixed, and this method often is when needs the bolt to fix again, is difficult to aim at the pinhole, needs alone to finely tune the steering to make the pinhole align again by another person inserts the bolt, and the operation is troublesome, wastes time and energy.

Disclosure of Invention

In order to facilitate rotation and fixation of the trailer jack, the application provides a novel jack with a rotating disc rotating structure.

In a first aspect, the present application provides a novel jack with rotary disk rotation structure, adopts following technical scheme:

the utility model provides a novel jack with rotary disk rotating structure, includes the trailer jack body and locates the rotary disk rotating structure of trailer jack body, rotary disk rotating structure fixed connection in the fixed section of thick bamboo of trailer and fixed connection in the rotary drum of trailer jack body, the rotary drum rotationally overlaps to be located fixed section of thick bamboo, the rotary drum with be provided with between the fixed section of thick bamboo and be used for restricting the rotary drum break away from in the directional bolt of fixed section of thick bamboo, the guide way has been seted up to the rotary drum, directional bolt is located in the guide way, the rotary drum can be followed the path direction that the guide way was seted up rotates, the rotary drum has been seted up the rotation hole, the fixed section of thick bamboo is provided with a plurality of fixed orificess along axis direction circumference, the rotary drum slides and is provided with fixed bolt, fixed bolt can insert rotation hole and arbitrary fixed orificess with the restriction rotary drum is relative the fixed section of thick bamboo rotates.

Through adopting above-mentioned technical scheme, through the relative rotation of rotating section of thick bamboo and fixed section of thick bamboo, realize the rotation to the trailer jack body, fixed bolt can make both relative fixation, no longer rotate, directional bolt can prevent to rotate section of thick bamboo and fixed section of thick bamboo and break away from each other to realize rotating section of thick bamboo can rotate on fixed section of thick bamboo freely, at the in-process of rotation, rotation hole and fixed hole can align each other, need not the user and align on purpose, only need through the mode of rotating the rotation section of thick bamboo, can directly insert rotation hole and alignment hole with fixed bolt after rotation hole and fixed hole align, thereby the convenience is fixed to the rotation of trailer jack body.

Optionally, the rotary cylinder is fixed with and is used for to the supporting seat that the fixed bolt supported, the supporting seat with be connected with the elastic component between the fixed bolt, the elastic component has forces the fixed bolt towards the trend of rotation hole direction motion.

Through adopting above-mentioned technical scheme, the supporting seat can be used for supporting fixed bolt, under the effect of elastic component, can let the location bolt insert automatically after rotation hole and fixed orifices align, easy operation is convenient.

Optionally, the guiding groove has been seted up to the rotation section of thick bamboo, the route of guiding groove is followed the axis circumference of rotation section of thick bamboo is arranged, directional jack has been seted up to the fixed section of thick bamboo, directional bolt's tip can insert the guiding groove with directional jack.

Through adopting above-mentioned technical scheme, utilize directional jack and guide way to lead the rotation of a rotation section of thick bamboo, can make the rotation section of thick bamboo simple rotation and can not take place to break away from with fixed section of thick bamboo.

Optionally, the guide slot has a first guide sidewall and a second guide sidewall, and when the directional bolt is abutted to the first guide sidewall or the second guide sidewall, the fixing hole and the rotating hole are aligned so that the fixing bolt can be simultaneously inserted into the fixing hole and the rotating hole.

By adopting the technical scheme, the first guide side wall and the second guide side wall can limit the rotation range of the rotating cylinder. And when the rotating cylinder is not rotating, the fixing hole and the rotating hole are aligned, so that a user can conveniently insert the fixing bolt into the fixing hole and the rotating hole, and the operation is convenient, simple and quick.

Optionally, the orientation latch further has a spring projection that limits the orientation latch from disengaging from the orientation receptacle and guide slot.

By adopting the technical scheme, the spring bulge can clamp the directional jack when protruding, so that the directional bolt is limited to be separated from the directional jack and the guide groove. When the directional bolt is required to be pulled out, the spring bulge is pushed only to enter the directional bolt, and the directional bolt can be pulled out conveniently at the moment, so that the trailer jack body is detached from the trailer conveniently; the spring bulge can reduce the problem that the directional bolt is shocked and flown due to jolt vibration in the moving process.

Optionally, a pull ring is connected to an end of the directional bolt away from the spring protrusion.

By adopting the technical scheme, the pulling flower can facilitate a user to pull the directional bolt. Thereby facilitating the pulling out of the directional bolt from the directional jack and the guide hole.

Optionally, a pull handle is arranged at one end of the fixing bolt.

By adopting the technical scheme, the pull handle can facilitate a user to pull the fixing bolt. Thereby facilitating the pulling out of the fixing bolt from the fixing hole and the rotating hole.

Optionally, a connecting seat is fixed at one end of the rotating cylinder, and the connecting seat is fixedly connected to the trailer jack body through bolts or screws.

Through adopting above-mentioned technical scheme, the connecting seat can increase the contact surface of a rotation section of thick bamboo and trailer jack body to can let a rotation section of thick bamboo connect more stably on the trailer jack body.

Optionally, the fixed bolt is fixed with the supporting ring, elastic component one end fixed connection in supporting ring other end fixed connection in the supporting seat.

Through adopting above-mentioned technical scheme, the support ring is used for supporting the elastic component, makes the elastic component can promote fixed bolt, lets fixed bolt keep towards the motion trend of fixed orifices direction all the time.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the trailer jack body can be conveniently and rapidly retracted, when the trailer jack is not used, the steering shaft can rotate at the fixed position through the guiding effect of the guiding groove on the directional bolt, so that the fixed bolt can be rapidly and accurately inserted into the fixed hole, and convenient retraction is realized.

2. The rotary disk is arranged at the middle part of the trailer jack body, the jack can be horizontally placed and attached to the plane of the trailer, and the protruding part can be prevented from scratching the ground, equipment and the like in a complex production field.

Drawings

Fig. 1 is a schematic structural view of a trailer jack with a connecting structure.

Fig. 2 is a schematic diagram of a trailer jack connection.

Fig. 3 is an exploded schematic view of a trailer jack connection structure.

Reference numerals illustrate: 1. lifting columns; 11. a handle; 12. a support wheel; 13. a steering bearing; 2. a fixed cylinder; 21. a fixing hole; 22. a directional jack; 3. a rotating cylinder; 31. a directional bolt; 311. a pull ring; 32. a rotation hole; 33. fixing the bolt; 331. a pull handle; 34. a guide groove; 35. a first guide sidewall; 36. a second guide sidewall; 37. a spring projection; 4. a support base; 41. an elastic member; 42. a support ring; 5. and a connecting seat.

Detailed Description

Terms of orientation such as up, down, left, right, front, rear, front, back, top, bottom, etc. mentioned or possible to be mentioned in the present specification are defined with respect to the configurations shown in the drawings, which are relative concepts, and thus may be changed according to different positions and different use states of the same. These and other directional terms should not be construed as limiting terms. Furthermore, the terms "first," "second," "third," and the like are used for descriptive and distinguishing purposes only and are not to be construed as indicating or implying a relative importance of the corresponding components.

The present application is described in further detail below in conjunction with fig. 1-3.

The embodiment of the application discloses a novel jack with rotary disk rotating structure.

Referring to fig. 1, a novel jack with rotary disk rotating structure, including trailer jack body and rotary disk rotating structure, the trailer jack body includes lift post 1, sets up in the handle 11 of lift post 1, and handle 11 rotates the lift that is used for controlling lift post 1, and the bottom of lift post 1 is provided with supporting wheel 12, and supporting wheel 12 rotates with lift post 1 through steering bearing 13 to be connected, and rotary disk rotating structure locates the middle part of lift post 1.

Referring to fig. 2 and 3, the rotating disc rotating structure comprises a fixed cylinder 2, a rotating cylinder 3 and a connecting seat 5, one end of the rotating cylinder 3 is fixedly connected with the connecting seat 5, the connecting seat 5 fixedly connects the rotating cylinder 3 with a lifting column 1 of a trailer jack body through bolts or screws, one end of the fixed cylinder 2 is fixedly connected with a trailer, the inside of the rotating cylinder 3 is hollow, the rotating cylinder 3 can be sleeved with the fixed cylinder 2, the fixed cylinder 2 and the rotating cylinder 3 are cylindrical, the rotating cylinder 3 can rotate relative to the fixed cylinder 2, the rotating cylinder 3 is fixedly provided with a supporting seat 4, a fixing bolt 33 is arranged in the supporting seat 4 in a sliding manner, a supporting ring 42 is fixedly arranged on the fixing bolt 33, and an elastic piece 41 is connected between the supporting ring 42 and the fixing seat

In this embodiment, the elastic member 41 is a spring, one end of the elastic member 41 is fixedly connected to the supporting ring 42, and the other end is fixedly connected to the supporting seat 4. The rotating cylinder 3 is provided with a rotating hole 32, the elastic member 41 has a tendency of forcing the fixing bolt 33 to move towards the rotating hole 32, the fixing cylinder 2 is provided with a plurality of fixing holes 21, and in this embodiment, the fixing holes 21 are four and are respectively distributed around the axis of the fixing cylinder 2 at equal intervals in the circumferential direction. A quarter arc is arranged between two adjacent fixing holes 21.

One end of the fixing latch 33 is provided with a pull handle 331.

When the rotary cylinder 3 is sleeved on the fixed cylinder 2, the axes of the rotary cylinder 3 and the fixed cylinder 2 are collinear, and as the rotary cylinder 3 rotates, two rotary holes 32 on the rotary cylinder 3 and two fixing holes 21 on the fixed cylinder 2 are aligned or dislocated with each other.

The rotating cylinder 3 is further provided with guide grooves 34, paths of the guide grooves 34 are circumferentially arranged along the axis of the rotating cylinder 3, in this embodiment, the guide grooves 34 are two, the fixed cylinder 2 is provided with two directional jacks 22 corresponding to the guide grooves 34, the directional jacks 22 and the guide grooves 34 are provided with directional bolts 31 in an inserted mode, the directional bolts 31 are further provided with spring protrusions 37, the spring protrusions 37 are used for limiting the directional bolts 31 to be separated from the directional jacks 22 and the guide grooves 34, and one ends, far away from the spring protrusions 37, of the directional bolts 31 are connected with pull rings 311.

The path of the guide groove 34 is a quarter arc, and the guide groove 34 has a first guide side wall 35 and a second guide side wall 36. As the rotary drum 3 rotates, the orientation latch 31 moves relatively within the guide slot 34.

When the orientation latch 31 abuts against the first guide sidewall 35 or the second guide sidewall 36, the fixing hole 21 and the rotation hole 32 are aligned for the fixing latch 33 to be inserted into the fixing hole 21 and the rotation hole 32 at the same time. In this embodiment, the fixing pins 33 are inserted into the two aligned fixing holes 21 and the rotation hole 32 at the same time.

The implementation principle of the embodiment is as follows: when the trailer is used, the supporting wheels 12 are supported on the ground, the handle 11 is held to drag the trailer jack body to drive the trailer to move, and the advancing direction is adjusted through the steering bearing 13; when unloading, the handle 11 can be rocked to adjust the height of the trailer jack body; when the trailer jack body needs to be retracted, the fixing bolt 33 is pulled up, the trailer jack body is pulled to rotate 1/4 circle, the fixing bolt 33 is loosened, the fixing bolt 33 is automatically inserted into the aligned pin holes, and the trailer jack body is horizontally fixed.

In a normal state, the fixing bolts 33 are inserted into the two rotating holes 32 of the rotating cylinder 3 and the two fixing holes 21 of the fixing cylinder 2, so that the body of the trailer jack is kept fixed; when the trailer jack body is rotated, the fixing bolt 33 is pulled up to be separated from the fixing hole 21 of the fixing barrel 2, the rotating barrel 3 and the trailer jack body can rotate relative to the fixing barrel 2, the rotating barrel 3 cannot move back and forth relative to the fixing barrel 2 due to the fact that the orientation bolt 31 is restrained by the orientation inserting hole 22 of the fixing barrel 2 and the width of the guide groove 34 of the rotating barrel 3, meanwhile, the rotation of the trailer jack body is fixed by 1/4 circle due to the fact that the orientation bolt 31 is restrained by the pin hole of the fixing barrel 2 and the length of the guide groove 34, the fixing bolt 33 is located on the first guide side wall 35 or the second guide side wall 36 of the guide groove 34, and the adjacent fixing hole 21 can be smoothly inserted into the fixing bolt 33, and the phenomenon that the pin hole of the rotating barrel 3 and the pin hole of the fixing barrel 2 are difficult to align can not occur.

When the directional bolt 31 is vertically inserted into the fixed jack, the fixed bolt 33 is pulled up, and the trailer jack body is fixed by rotating rightwards by 1/4 circle along the guide groove 34 under the fixed rotation of the directional bolt 31; when the orientation bolt 31 is horizontally inserted in the pin hole, the fixing bolt 33 is pulled up, and the trailer jack body is fixed by rotating 1/4 circle left along the guide groove 34 under the fixing rotation of the orientation bolt 31.

The directional bolt 31 is inserted into the directional jack 22 and has a spring protrusion 37 at one end, so that the directional bolt 31 can be prevented from sliding out of the pin hole in normal state, and the directional bolt 31 can be pulled out by pressing the spring protrusion 37.

The foregoing are all preferred embodiments of the present application, and are not intended to limit the scope of the present application; therefore, according to the technical scheme of the utility model, a person skilled in the art can propose various alternative structural modes and implementation modes without changing the true spirit of the utility model. Accordingly, the foregoing detailed description and drawings are merely exemplary of the utility model and are not intended to be exhaustive or to limit the utility model to the precise form disclosed. Therefore: all equivalent changes in structure, shape and principle of this application should be covered in the protection scope of this application.

Claims (9)

1. The utility model provides a novel jack with rotary disk revolution mechanic, includes trailer jack body, its characterized in that: still including locating rotary disk rotating structure of trailer jack body, rotary disk rotating structure fixed connection is in fixed section of thick bamboo (2) of trailer and fixed connection in rotary section of thick bamboo (3) of trailer jack body, rotary section of thick bamboo (3) rotationally overlaps to be located fixed section of thick bamboo (2), rotary section of thick bamboo (3) with be provided with between fixed section of thick bamboo (2) and be used for the restriction rotary section of thick bamboo (3) break away from in directional bolt (31) of fixed section of thick bamboo (2), guiding gutter (34) have been seted up to rotary section of thick bamboo (3), directional bolt (31) are located in guiding gutter (34), rotary section of thick bamboo (3) can be followed the path direction that guiding gutter (34) set up rotates, rotary section of thick bamboo (3) have set up rotation hole (32), fixed section of thick bamboo (2) are provided with a plurality of fixed orifices (21) along axis direction circumference, rotary section of thick bamboo (3) slip is provided with fixed bolt (33), fixed bolt (33) can insert rotation hole (32) and arbitrary fixed section of thick bamboo (21) with relative rotation section of thick bamboo (2).

2. A novel jack with a rotary disk rotation structure according to claim 1, characterized in that: the rotary cylinder (3) is fixed with a supporting seat (4) for supporting the fixed bolt (33), an elastic piece (41) is connected between the supporting seat (4) and the fixed bolt (33), and the elastic piece (41) has a trend of forcing the fixed bolt (33) to move towards the direction of the rotary hole (32).

3. A novel jack with a rotary disk rotation structure according to claim 2, characterized in that: the path of the guide groove (34) is circumferentially arranged along the axis of the rotating cylinder (3), the fixed cylinder (2) is provided with a directional jack (22), and the end part of the directional plug pin (31) can be inserted into the guide groove (34) and the directional jack (22).

4. A novel jack with rotary disk rotation structure according to claim 3, characterized in that: the guide groove (34) is provided with a first guide side wall (35) and a second guide side wall (36), and when the directional bolt (31) is abutted to the first guide side wall (35) or the second guide side wall (36), the fixing hole (21) and the rotating hole (32) are aligned for the fixing bolt (33) to be simultaneously inserted into the fixing hole (21) and the rotating hole (32).

5. The novel jack with rotary disk rotation structure of claim 4, wherein: the orientation latch (31) also has a spring projection (37) that limits the orientation latch (31) from disengaging from the orientation receptacle (22) and guide slot (34).

6. The novel jack with rotary disk rotation structure of claim 5, wherein: one end of the directional bolt (31) far away from the spring bulge (37) is connected with a pull ring (311).

7. A novel jack with a rotary disc rotating structure according to any one of claims 1 to 6, characterized in that: one end of the fixed bolt (33) is provided with a pull handle (331).

8. A novel jack with a rotary disc rotating structure according to any one of claims 1 to 6, characterized in that: one end of the rotating cylinder (3) is fixedly provided with a connecting seat (5), and the connecting seat (5) is fixedly connected to the trailer jack body through bolts or screws.

9. A novel jack with a rotary disk rotation structure according to claim 2, characterized in that: the fixing bolt (33) is fixedly provided with a supporting ring (42), one end of the elastic piece (41) is fixedly connected with the supporting ring (42), and the other end of the elastic piece is fixedly connected with the supporting seat (4).