CN218261743U

CN218261743U - Horizontal jack

Info

Publication number: CN218261743U
Application number: CN202221576389.0U
Authority: CN
Inventors: 吴盛华; 刘正阳
Original assignee: HANGZHOU YINGJIANG MACHINERY MANUFACTURE Co Ltd
Current assignee: HANGZHOU YINGJIANG MACHINERY MANUFACTURE Co Ltd
Priority date: 2022-06-22
Filing date: 2022-06-22
Publication date: 2023-01-10
Anticipated expiration: 2032-06-22

Abstract

The utility model discloses a horizontal jack, including the jack body, the jack body has a pair of wallboard that sets up face to face each other and connect each other, the rear portion pin joint of wallboard has the hoisting arm, be equipped with the short connecting rod of a pair of relative setting between the wallboard, two the short connecting rod sets up correspondingly through short connecting rod round pin axle pivot respectively the inboard of wallboard. The utility model has the advantages that: the space of the inner web plate can be saved, the width of the jack is reduced, the volume of the jack is reduced, and the size of corresponding parts is also reduced; the cost of the jack is greatly reduced.

Description

Horizontal jack

Technical Field

The utility model relates to a horizontal jack.

Background

The horizontal jack is a light and small lifting device for lifting a heavy object in a stroke through a top tray, and is widely used in mechanical maintenance work, but the connection structure of a short connecting rod and a wallboard in the horizontal jack in the current market usually adopts the installation of the short connecting rod between a web plate and a boom wallboard, then adopts a common short connecting rod pin shaft to hinge the web plate, the short connecting rod and the boom wallboard, and then adopts welding or a screw form to fix the three in position, and the web plate needs to be additionally arranged between the wallboard and the short connecting rod, so that the whole jack not only has increased width and occupies space, but also has complex installation of the whole short connecting rod, more accessories and complex processes.

Disclosure of Invention

In order to solve the problem, the utility model provides a can save part, reduce width, reduce cost's horizontal jack.

A horizontal jack, including the jack body, the jack body has a pair of wallboard that sets up face to face each other and connect each other, the rear portion pin joint of wallboard has to rise the lifting arm, its characterized in that: a pair of short connecting rods which are oppositely arranged is arranged between the wallboards, and the two short connecting rods are respectively arranged on the inner sides of the corresponding wallboards in a pivoting manner through short connecting rod pin shafts.

Preferably, the short connecting rod is provided with a front end and a rear end which are opposite, the rear end of the short connecting rod is connected with the rear part of the corresponding wallboard through the short connecting rod pin shaft, and the front end of the short connecting rod extends to the lower part of the lifting arm of the jack body.

Preferably, one end of the short connecting rod pin shaft is provided with a pin cap, the other end of the short connecting rod pin shaft is provided with a threaded connection portion, the portion between the pin cap and the threaded connection portion is a polished rod section, and the top of the pin cap is provided with an inner hexagonal wrench hole.

Preferably, the pin cap, the polished rod section and the threaded connection part are sequentially reduced in outer diameter.

Preferably, the rear portion of wallboard is equipped with the internal thread hole, the rear end of short connecting rod is equipped with the pivot through-hole, short connecting rod round pin axle is worn to be located the pivot through-hole with in the internal thread hole, the polished rod section with pivot through-hole normal running fit, threaded connection portion with internal thread hole threaded connection, and threaded connection portion's end with the outer end in internal thread hole is pressed and is riveted the connection and is in the same place.

The utility model discloses an installation: the method comprises the steps of firstly placing a short connecting rod on the inner side of a wallboard, enabling a pivot through hole of the short connecting rod and an inner threaded hole of the wallboard to coincide, then screwing a threaded connection part on the wallboard through an inner hexagonal wrench for a short connecting rod pin shaft, after screwing, enabling a pin cap of the short connecting rod pin shaft to abut against the inner side of the short connecting rod, enabling a polished rod section to be in running fit with the pivot through hole, connecting the threaded connection part with the inner threaded hole in a threaded manner, and finally riveting the tail end of the short connecting rod pin shaft through a special press so that the tail end of the threaded connection part and the outer end of the inner threaded hole are connected together in a pressing and riveting manner, and enabling the short connecting rod to be firmly hinged on the wallboard of the cargo boom through the short connecting rod pin shaft.

The utility model has the advantages that: the space of the inner web plate can be saved, the width of the jack is reduced, the volume of the jack is reduced, and the size of corresponding parts is also reduced; the cost of the jack is greatly reduced.

Drawings

Fig. 1 is a structural view of the present invention.

Fig. 2 is a plan view of the present invention.

Fig. 3 is a partially enlarged view of fig. 2.

Detailed Description

The following describes in detail embodiments of the present invention with reference to the drawings. It should be understood that the detailed description and specific examples, while indicating embodiments of the invention, are given by way of illustration and explanation only, not limitation.

It should be noted that the embodiments and features of the embodiments of the present invention may be combined with each other without conflict.

The invention will be described in detail hereinafter with reference to the drawings and in connection with exemplary embodiments.

A horizontal jack, including the jack body, the jack body has face-to-face setting each other and a pair of wallboard 1 of connecting each other, the rear portion pin joint of wallboard has the lift arm, be equipped with the short connecting rod 2 of a pair of relative setting between wallboard 1, two short connecting rod 2 is corresponding through short connecting rod round pin axle 3 pivot setting respectively wallboard 1's inboard.

In some embodiments of the utility model, the lift arm is through lifting arm axle subassembly 4, connecting pin axle subassembly 5 pin joint in two the rear portion of wallboard 1.

The utility model discloses an in some embodiments, short connecting rod 2 is located and plays to rise arm axle subassembly 4, connecting pin subassembly 5 below, short connecting rod 2 has relative front end, rear end, the rear end of short connecting rod 2 is passed through short connecting pin axle 3 with corresponding rear portion pivotal connection, the front end of wallboard 1 extend to the play to rise arm below of jack body.

In some embodiments of the utility model, two 2 horizontal pin joints of short connecting rod in the inboard of wallboard, and the front end of short connecting rod 2 draws close each other.

The utility model discloses an in some embodiments, the one end of short connecting rod round pin axle 3 is equipped with round pin cap 31, the other end is equipped with threaded connection portion 32, round pin cap 31 with part between the threaded connection portion is polished rod section 33, the top of round pin cap 31 is equipped with allen key hole 311.

In some embodiments of the present invention, the pin cap 31, the polished rod section 33, the outer diameter of the threaded connection portion 32 decreases in sequence.

The utility model discloses an in some embodiments, the rear portion of wallboard 1 is equipped with the internal thread hole, the rear end of stub bar 2 is equipped with the pivot through-hole, stub bar round pin axle 3 wear to locate the pivot through-hole with in the internal thread hole, polished rod section 33 with pivot through-hole normal running fit, threaded connection portion 32 with internal thread hole threaded connection, and threaded connection portion 32's terminal 321 with the external end in internal thread hole is pressed and is riveted and link together.

The utility model discloses an installation: arrange short connecting rod 2 in wallboard 1 inboardly earlier to with short connecting rod 2 the pivot through-hole with wallboard 1's internal thread hole coincidence, then screw up threaded connection portion 32 on wallboard 1 with short connecting rod round pin axle 3 for the allen key, wait after screwing up, short connecting rod round pin axle 3 the round pin cap 31 supports short connecting rod 2's inboard, polished rod section 33 with pivot through-hole normal running fit, threaded connection portion 32 with internal thread hole threaded connection rivets short connecting rod round pin axle 3's end with special press at last, makes the terminal of threaded connection portion 32 with the outer end in internal thread hole is pressed and is riveted and link together, and can firmly articulate short connecting rod round pin axle 3 for the short connecting rod on wallboard 1 of jib loading boom like this and.

In the description of the present invention, it is to be understood that the terms "central," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the invention and to simplify the description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are therefore not to be considered limiting of the invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or to implicitly indicate the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless explicitly specified otherwise.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; may be mechanically coupled, may be electrically coupled or may be in communication with each other; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

In the present invention, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may be directly contacting the second feature or the first and second features may be indirectly contacting each other through intervening media. Also, a first feature "on," "above," and "over" a second feature may be directly on or obliquely above the second feature, or simply mean that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.

In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Moreover, various embodiments or examples and features of various embodiments or examples described in this specification can be combined and combined by one skilled in the art without being mutually inconsistent.

Although embodiments of the present invention have been shown and described above, it will be understood that the above embodiments are exemplary and not to be construed as limiting the present invention, and that changes, modifications, substitutions and alterations can be made to the above embodiments by those of ordinary skill in the art within the scope of the present invention.

Claims

1. A horizontal jack comprising a jack body having a pair of wall plates disposed to face each other and connected to each other, a lifting arm being pivoted to a rear portion of the wall plates, characterized in that: a pair of short connecting rods which are oppositely arranged is arranged between the wallboards, and the two short connecting rods are respectively arranged on the inner sides of the corresponding wallboards in a pivoting manner through short connecting rod pin shafts.

2. The horizontal jack of claim 1, wherein: the short connecting rod is provided with a front end and a rear end which are opposite, the rear end of the short connecting rod is connected with the rear part of the corresponding wall plate through the short connecting rod pin shaft, and the front end of the short connecting rod extends to the lower part of a lifting arm of the jack body.

3. A horizontal jack as claimed in claim 2 wherein: one end of the short connecting rod pin shaft is provided with a pin cap, the other end of the short connecting rod pin shaft is provided with a threaded connection part, the part between the pin cap and the threaded connection part is a polished rod section, and the top of the pin cap is provided with an inner hexagonal wrench hole.

4. A horizontal jack as claimed in claim 3 wherein: the outer diameters of the pin cap, the polished rod section and the threaded connection part are reduced in sequence.

5. The horizontal jack of claim 4, wherein: the rear portion of wallboard is equipped with the internal thread hole, the rear end of short connecting rod is equipped with the pivot through-hole, short connecting rod round pin axle is worn to be located the pivot through-hole with in the internal thread hole, the polished rod section with pivot through-hole normal running fit, threaded connection portion with internal thread hole threaded connection, and threaded connection portion's end with the outer end in internal thread hole is pressed and is riveted and link together.