Adjustable lifting machine

Abstract

The utility model discloses an adjustable lifting machine which comprises a lifting machine main body and two lifting seats arranged on the inner side of the lifting machine main body, two lifting arm assemblies are rotatably installed on the tops of the lifting seats, each lifting arm assembly comprises an arm seat, a round supporting block and a front arm, each front arm is movably installed at the front end of the corresponding arm seat, and the round supporting blocks are installed on the front ends of the arm seats. An inner sliding groove is formed in the arm base, an inner sliding block is arranged in the inner sliding groove in a sliding mode, the rear end of the front arm penetrates through the inner side of the inner sliding groove to be fixed to the inner sliding block, and a plug-in type adjusting structure is arranged between the front arm and the arm base. According to the lifting arm, a lifting machine in the prior art is improved and optimized, and a plug-in type adjusting structure is designed between the arm seat and the front arm, so that an operator can conveniently and quickly complete length adjustment of the lifting arm in the actual use process in a bare-handed manner, the adjustment convenience is greatly improved, and the use convenience and flexibility of the whole lifting machine are improved.

Description

Technical Field

[0001] The utility model belongs to the technical field of lifts, and in particular relates to an adjustable lift. Background Art

[0002] A car lift is a hydraulic lifting device, which is commonly used for lifting cars. For example, the existing patent with publication number CN215326671U discloses "a lift, comprising: two brackets, each bracket is provided with a lifting platform and a driving device, the driving device is used to drive the lifting platform to move relative to the bracket; two height detection devices are respectively installed on the two brackets." It can be seen that the application describes a common two-column lift, which can lift the car by hydraulically driving the lifting arms on both sides to rise;

[0003] When the lift in the prior art is in use, the lifting arm consists of an arm seat and a forearm, and the forearm can be telescopically adjusted. However, the forearms of the lifts in the prior art are mostly fixed with bolts, so when the length of the forearm needs to be adjusted later, the bolts need to be repeatedly screwed and disassembled, and tools such as wrenches need to be used. It is impossible to quickly complete the telescopic adjustment of the overall length of the lifting arm by hand, which has disadvantages. For this reason, the utility model proposes an adjustable lift. Utility Model Content

[0004] The purpose of the utility model is to provide an adjustable lift to solve the problems raised in the above background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: an adjustable lift, comprising a lift body and two lifting seats arranged inside the lift body, two lifting arm assemblies are rotatably installed on the top of the lifting seat, a hydraulic pump is also installed on the outer surface of the lift body, the lifting arm assembly comprises an arm seat, a circular support block and a forearm, the forearm is movably installed at the front end of the arm seat, the circular support block is installed at the top of the front end of the forearm, an inner slide groove is opened in the arm seat, and a sliding arrangement is arranged in the inner slide groove There is an inner sliding block, the rear end of the forearm penetrates into the inner side of the inner sliding groove and is fixed to the inner sliding block, a plug-in adjustment structure is provided between the forearm and the arm seat, the plug-in adjustment structure comprises a rectangular end block, a limiting hole and an insert block, the insert block is fixed to the bottom surface of the rectangular end block, a plug hole corresponding to the insert block is provided at the front end top of the arm seat, a plurality of limiting holes corresponding to the insert block are evenly provided on the surface of the forearm, the rectangular end block is attached to the top surface of the arm seat, and the bottom end of the insert block penetrates into one of the limiting holes through the plug hole.

[0006] Preferably, the plug-in adjustment structure also includes a snap-in limit structure, which is arranged between the plug block and the socket, and includes an inner groove, a spring, a telescopic block and a side groove, the inner groove is opened inside one side of the plug block, the telescopic block is movably installed in the inner groove by the spring, and side grooves corresponding to the telescopic block are opened on the inner walls on both sides of the socket, and the end of the telescopic block pops out into one of the side grooves.

[0007] Preferably, one end of the spring is fixed to the inner wall of the inner groove, and the other end of the spring is fixedly connected to the telescopic block.

[0008] Preferably, a pop-up hole communicating with the inner groove is formed on one side surface of the inserting block, and the pop-up hole corresponds to the telescopic card block.

[0009] Preferably, a positioning structure is further provided between the inner slider and the inner slide groove, the positioning structure comprising a rubber seat, a positioning protrusion and a positioning groove, the rubber seat is embeddedly installed on the top surface of the inner slider, and the top surface of the rubber seat is provided with an integrated positioning protrusion, the upper wall of the inner slide groove is provided with a plurality of positioning grooves corresponding to the positioning protrusions, and the positioning protrusion is squeezed into one of the positioning grooves.

[0010] Preferably, a rectangular groove for installing the rubber seat is formed on the top surface of the inner sliding block.

[0011] Compared with the prior art, the beneficial effects of the utility model are as follows: the utility model improves and optimizes the lift in the prior art, and designs a plug-in adjustment structure between the arm seat and the forearm, which can facilitate the operator to quickly and manually adjust the length of the lifting arm during actual use, greatly improving the adjustment convenience, and improving the convenience and flexibility of use of the entire lift. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 It is a three-dimensional diagram of the utility model;

[0013] Figure 2 For this utility model Figure 1 A partial enlarged view of the middle A area;

[0014] Figure 3 It is a cross-sectional view of the connection between the arm seat and the forearm of the utility model;

[0015] Figure 4 For this utility model Figure 3 A partial enlarged view of the middle B area;

[0016] Figure 5 For this utility model Figure 3 A partial enlarged view of the middle C area;

[0017] In the figure: 1. lift body; 11. hydraulic pump; 2. lifting seat; 3. arm seat; 31. inner slide groove; 32. inner slide block; 321. rubber seat; 322. positioning protrusion; 33. plug hole; 34. positioning slot; 4. round support block; 5. forearm; 61. rectangular end block; 62. limiting hole; 63. plug block; 64. inner groove; 65. spring; 66. telescopic block; 67. side slot. DETAILED DESCRIPTION

[0018] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model. Example

[0019] See also Figures 1 to 4, which is the first embodiment of the utility model, and this embodiment provides a technical solution: an adjustable lift, comprising a lift body 1 and two lifting seats 2 arranged inside the lift body 1, two lifting arm assemblies are rotatably installed on the top of the lifting seat 2, and a hydraulic pump 11 is also installed on the outer surface of the lift body 1 as a driving source for the entire lift, and the lifting arm assembly comprises an arm seat 3, a circular support block 4 and a forearm 5, the forearm 5 is movably installed at the front end of the arm seat 3, the circular support block 4 is installed at the front end top of the forearm 5, an inner slide groove 31 is opened in the arm seat 3, and an inner slider 32 is slidably arranged in the inner slide groove 31, and the rear end of the forearm 5 penetrates to the inner side of the inner slide groove 31 and is fixed to the inner slider 32, A plug-in adjustment structure is provided between the forearm 5 and the arm seat 3, and the plug-in adjustment structure includes a rectangular end block 61, a limiting hole 62 and an insert block 63. The insert block 63 is welded and fixed to the bottom surface of the rectangular end block 61. A plug hole 33 corresponding to the insert block 63 is provided at the top of the front end of the arm seat 3. A plurality of limiting holes 62 corresponding to the insert block 63 are evenly provided on the surface of the forearm 5. The rectangular end block 61 is attached to the top surface of the arm seat 3, and the bottom end of the insert block 63 passes through one of the limiting holes 62 through the plug hole 33, so that the forearm 5 can be stably limited. Subsequently, the rectangular end block 61 can be lifted so that the bottom end of the insert block 63 moves out of the limiting hole 62, so that the limitation of the forearm 5 can be released, which is convenient for the telescopic adjustment of the forearm 5. The plug-in adjustment structure also includes a locking and limiting structure, which is arranged between the plug block 63 and the socket 33. The locking and limiting structure includes an inner groove 64, a spring 65, a telescopic block 66 and a side slot 67. The inner groove 64 is arranged inside one side of the plug block 63, and the telescopic block 66 is movably installed in the inner groove 64 through the spring 65. Side slots 67 corresponding to the telescopic block 66 are arranged on the inner walls of both sides of the socket 33. The end of the telescopic block 66 pops out into one of the side slots 67, which can realize the locking and limiting of the plug block 63, so that the plug block 63 can be locked and limited by the telescopic block 66 after being inserted into the limiting hole 62 through the socket 33, thereby ensuring the overall stability during daily use. To adjust the telescopic adjustment of the forearm 5, it is only necessary to first lift the rectangular end block 61 forcefully, so that the insertion block 63 moves up and the end of the telescopic block 66 is squeezed into the inner groove 64, and the insertion block 63 can be smoothly lifted out. In the absence of the insertion block 63 to limit the forearm 5, the forearm 5 can be directly moved horizontally for telescopic adjustment. After the forearm 5 is adjusted to a suitable length, the rectangular end block 61 is pressed down again, so that the bottom end of the insertion block 63 can be inserted into the limiting hole 62 at other positions, and the telescopic block 66 is inserted into the side groove 67 under the push of the spring 65, so that the insertion block 63 can be limited again after being inserted downward, and the forearm 5 can be stably limited by the insertion block 63 to ensure the stability of the entire lifting arm assembly.

[0020] One end of the spring 65 is fixed to the inner wall of the inner groove 64 , and the other end of the spring 65 is fixedly connected to the telescopic block 66 to ensure the installation stability of the spring 65 .

[0021] A pop-up hole communicating with the inner groove 64 is formed on one side surface of the insert block 63 , and the pop-up hole corresponds to the telescopic card block 66 , so that the telescopic card block 66 can be ejected smoothly. Example

[0022] See also Figures 1 to 5 , which is the second embodiment of the utility model. This embodiment is based on the previous embodiment. The difference is that, through the provided positioning structure, during the telescopic adjustment process of the forearm 5, it is convenient for the operator to judge whether the limit hole 62 is aligned with the plug block 63, which is more convenient for the subsequent insertion of the plug block 63 and plays a role in auxiliary positioning.

[0023] Specifically, a positioning structure is further provided between the inner slide block 32 and the inner slide groove 31, and the positioning structure includes a rubber seat 321, a positioning protrusion 322 and a positioning card slot 34. The rubber seat 321 is embeddedly installed on the top surface of the inner slide block 32, and the top surface of the rubber seat 321 is provided with an integrated positioning protrusion 322, both of which are made of rubber material and will elastically deform when squeezed. The upper wall of the inner slide groove 31 is provided with a plurality of positioning card slots 34 corresponding to the positioning protrusion 322, and the positioning protrusion 322 is squeezed into one of the positioning card slots. The inner slide block 31 is provided with a plurality of positioning protrusions 322, each of which is provided with a plurality of positioning protrusions 323, and the plurality of positioning protrusions 324 are provided with a plurality of positioning protrusions 326. The plurality of positioning protrusions 322 are provided with a plurality of positioning protrusions 327, and the plurality of positioning protrusions 328 are provided with a plurality of positioning protrusions 329.

[0024] The top surface of the inner sliding block 32 is provided with a rectangular embedding groove for installing the rubber seat 321 , so as to realize embedded installation of the rubber seat 321 .

[0025] The structural principles of the lifting machine body 1 in the present invention are all known technologies that have been disclosed in existing patents. For details, please refer to the existing patent with publication number CN215326671U, which will not be described in detail here.

[0026] Although the embodiments of the present invention have been shown and described (see the detailed description above for details), it will be understood by those skilled in the art that various changes, modifications, substitutions and variations may be made to these embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. An adjustable lift, comprising a lift body (1) and two lifting seats (2) arranged inside the lift body (1), two lifting arm assemblies being rotatably mounted on the top of the lifting seats (2), a hydraulic pump (11) being further mounted on the outer surface of the lift body (1), the lifting arm assembly comprising an arm seat (3), a circular support block (4) and a forearm (5), the forearm (5) being movably mounted on the front end of the arm seat (3), the circular support block (4) being mounted on the front end top of the forearm (5), characterized in that: An inner slide groove (31) is provided in the arm seat (3), and an inner slide block (32) is slidably provided in the inner slide groove (31); the rear end of the forearm (5) penetrates the inner side of the inner slide groove (31) and is fixed to the inner slide block (32); a plug-in adjustment structure is provided between the forearm (5) and the arm seat (3); the plug-in adjustment structure comprises a rectangular end block (61), a limiting hole (62) and an insert block (63); the insert block (63) is fixed to the bottom surface of the rectangular end block (61); a plug hole (33) corresponding to the insert block (63) is provided at the top of the front end of the arm seat (3); a plurality of limiting holes (62) corresponding to the insert block (63) are evenly provided on the surface of the forearm (5); the rectangular end block (61) is attached to the top surface of the arm seat (3), and the bottom end of the insert block (63) penetrates into one of the limiting holes (62) through the plug hole (33).

2. An adjustable lift according to claim 1, characterized in that: The plug-in adjustment structure further comprises a snap-fit ​​limiting structure, wherein the snap-fit ​​limiting structure is arranged between the plug block (63) and the plug hole (33).

3. An adjustable lift according to claim 2, characterized in that: The engaging limiting structure comprises an inner groove (64), a spring (65), a telescopic card block (66) and a side card groove (67); the inner groove (64) is provided inside one side of the plug block (63); the telescopic card block (66) is movably installed in the inner groove (64) via the spring (65); side card grooves (67) corresponding to the telescopic card block (66) are provided on inner walls on both sides of the plug hole (33); an end of the telescopic card block (66) pops out into one of the side card grooves (67).

4. An adjustable lift according to claim 3, characterized in that: One end of the spring (65) is fixed to the inner wall of the inner groove (64), and the other end of the spring (65) is fixedly connected to the telescopic clamping block (66).

5. An adjustable lift according to claim 3, characterized in that: A pop-up hole communicating with the inner groove (64) is provided on one side surface of the insert block (63), and the pop-up hole corresponds to the telescopic card block (66).

6. An adjustable lift according to claim 1, characterized in that: A positioning structure is also provided between the inner sliding block (32) and the inner sliding groove (31), the positioning structure comprising a rubber seat (321), a positioning protrusion (322) and a positioning slot (34).

7. An adjustable lift according to claim 6, characterized in that: The rubber seat (321) is embeddedly mounted on the top surface of the inner sliding block (32), and an integrated positioning protrusion (322) is provided on the top surface of the rubber seat (321). The upper wall of the inner sliding groove (31) is provided with a plurality of positioning grooves (34) corresponding to the positioning protrusion (322), and the positioning protrusion (322) is squeezed into one of the positioning grooves (34).

8. An adjustable lift according to claim 7, characterized in that: The top surface of the inner sliding block (32) is provided with a rectangular embedding groove for installing the rubber seat (321).

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