Jack with anti-skid function

Abstract

The utility model belongs to the technical field of jacks. The jack with the anti-skid function comprises a supporting seat, a sliding groove is formed in the top of the supporting seat, a plurality of sliding blocks are slidably connected to the inner wall of the sliding groove, connecting plates are fixedly connected to the tops of the sliding blocks, and first adjusting screw rods are connected to the tops of the connecting plates in a penetrating and threaded mode. A sliding block slides along the inner wall of a sliding groove in the top of a supporting seat, the sliding block drives a side plate to move through a connecting plate, a supporting plate is driven to move through the side plate, and therefore the supporting position of a pressing block can be adjusted, and by rotating a first adjusting screw rod, the bottom of the first adjusting screw rod abuts against the top of the supporting seat; the position of a pressing block can be quickly fixed, and the pressing block is pushed to move downwards to make contact with the ground by rotating a second adjusting screw rod, so that the contact area and range of the supporting seat and the ground can be increased, and then the mounting stability of the jack is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of jacks, and more specifically to a jack with an anti-slip function. Background Art

[0002] A scissor jack is a type of jack. Because its structure and appearance are like scissors, it is called a scissor jack. A scissor jack is a lifting equipment. Scissor jacks are widely used in vehicle maintenance. They are convenient for lifting the vehicle to the height of the part that needs maintenance for maintenance and inspection. At the same time, they are also very common in construction and can be used to build roofs, walls, beams, columns and other buildings.

[0003] In the existing technology, for example, in the document with the announcement number CN220766357U, a vehicle-mounted scissor jack is specifically disclosed. In the device described in the document, since the base plate size at the bottom of the jack is relatively small, when the jack is supported on an uneven or bumpy ground, the contact area between the base plate and the ground is small, which will cause uneven and unstable support. For this reason, we propose a jack with an anti-slip function. Utility Model Content

[0004] Based on the above-mentioned devices in the prior art, since the base plate size at the bottom of the jack is relatively small, when the jack is supported on an uneven or bumpy ground, the contact area between the base plate and the ground is small, which will lead to technical problems of uneven and unstable support. The utility model proposes a jack with an anti-slip function.

[0005] The utility model proposes a jack with anti-slip function, including a support seat, a slide groove is provided on the top of the support seat, and a plurality of slide blocks are slidably connected to the inner wall of the slide groove, and the tops of the plurality of slide blocks are fixedly connected to a connecting plate, and the tops of the plurality of connecting plates are threadedly connected to a first adjusting screw, and the bottoms of the plurality of first adjusting screws penetrate the connecting plate and extend to the bottom thereof, and the bottoms of the plurality of first adjusting screws are respectively abutted against the top of the support seat, and the bottoms of the plurality of connecting plates are fixedly connected to side plates, and the outer walls of the plurality of side plates are fixedly connected to the support plate, and the tops of the plurality of support plates are threadedly connected to a second adjusting screw, and the bottoms of the plurality of second adjusting screws penetrate the support plate and extend to the bottom, and the bottoms of the plurality of second adjusting screws are rotatably connected to a pressure block.

[0006] Preferably, the top of the support seat is symmetrically structured and fixedly connected to two fixing plates, two first rotating shafts are rotatably connected between the two fixing plates, and the circumferential outer walls of the two first rotating shafts are fixedly connected to first connecting arms.

[0007] Preferably, the inner walls of the two first connecting arms are rotatably connected to the second rotating shaft, the circumferential outer walls of the two second rotating shafts are rotatably connected to the second connecting arms, and a screw rod is provided above the support seat, and both ends of the screw rod respectively pass through the second rotating shaft and are threadedly connected thereto.

[0008] Preferably, it further comprises a top seat, the inner wall of which is rotatably connected to two third rotating shafts, and the ends of the two third rotating shafts respectively penetrate through the corresponding second connecting arms and are rotatably connected thereto.

[0009] Preferably, the top of the top seat is slidably connected to a limit plate, and two sides of the top seat are symmetrically fixedly connected with two sliding rods, and the ends of the sliding rods pass through the limit plates and are slidably connected thereto.

[0010] Preferably, the ends of the sliding rods are fixedly connected to limiting sleeves, the inner wall of the top seat is rotatably connected to a bidirectional threaded rod, and the ends of the bidirectional threaded rod respectively penetrate two limiting plates and are threadedly connected thereto.

[0011] The beneficial effects of the present invention are:

[0012] 1. By sliding the slider along the inner wall of the slide groove at the top of the support seat, the slider drives the side plate to move through the connecting plate, and drives the support plate to move through the side plate, so as to adjust the support position of the pressure block. After adjustment, by rotating the first adjusting screw, the bottom of the first adjusting screw abuts against the top of the support seat, the position of the pressure block can be quickly fixed, and by rotating the second adjusting screw, the pressure block is pushed downward to contact the ground, thereby increasing the contact area and range between the support seat and the ground, thereby improving the stability of the jack installation.

[0013] 2. By rotating the bidirectional threaded rod, the two limit plates move synchronously in opposite directions, so that the distance between the two limit plates can be adjusted according to the width of the supported object. The supported object can be effectively limited by the two limit plates to avoid side slipping of the supported object during the support process. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0015] Figure 2 This is a schematic diagram of the installation structure of the pressing block of the utility model;

[0016] Figure 3 It is a partial structural schematic diagram of the support seat of the utility model;

[0017] Figure 4 This is a schematic diagram of the installation structure of the limit plate of the utility model.

[0018] In the figure: 1. support seat; 2. slide groove; 3. slider; 4. connecting plate; 5. first adjusting screw; 6. side plate; 7. support plate; 8. second adjusting screw; 9. pressure block; 10. fixing plate; 11. first rotating shaft; 12. first connecting arm; 13. second rotating shaft; 14. second connecting arm; 15. screw rod; 16. top seat; 17. third rotating shaft; 18. limit plate; 19. slide rod; 20. limit sleeve; 21. bidirectional threaded rod. DETAILED DESCRIPTION

[0019] Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention. In the present invention, unless otherwise clearly specified and limited, the term "fixed connection" should be understood in a broad sense. For example, "fixed connection" can be fixed installation, detachable connection, or integration; it can be mechanical connection, electrical connection, or direct connection. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0020] like Figure 1 , Figure 2 and Figure 3 As shown, a jack with an anti-slip function includes a support seat 1, a slide groove 2 is opened on the top of the support seat 1, and a plurality of sliders 3 are slidably connected to the inner wall of the slide groove 2, and the tops of the plurality of sliders 3 are fixedly connected to a connecting plate 4, and the tops of the plurality of connecting plates 4 are threadedly connected with a first adjusting screw 5, and the bottoms of the plurality of first adjusting screws 5 penetrate the connecting plate 4 and extend to the bottom thereof, and the bottoms of the plurality of first adjusting screws 5 are respectively abutted against the top of the support seat 1, and the bottoms of the plurality of connecting plates 4 are fixedly connected to side plates 6, and the outer walls of the plurality of side plates 6 are fixedly connected to support plates 7, and the tops of the plurality of support plates 7 are threadedly connected to second adjusting screws 8, and the bottoms of the plurality of second adjusting screws 8 penetrate the support The plate 7 extends to the bottom, and the bottoms of multiple second adjusting screws 8 are rotatably connected to pressure blocks 9. The sliding slider 3 slides along the inner wall of the slide groove 2 at the top of the support seat 1. The slider 3 drives the side plate 6 to move through the connecting plate 4, and drives the support plate 7 to move through the side plate 6, so that the supporting position of the pressure block 9 can be adjusted. After adjustment, by rotating the first adjusting screw 5, the bottom of the first adjusting screw 5 abuts against the top of the support seat 1, the position of the pressure block 9 can be quickly fixed, and by rotating the second adjusting screw 8, the pressure block 9 is pushed to move downward and contact the ground, thereby increasing the contact area and range of the support seat 1 with the ground, thereby improving the stability of the jack installation.

[0021] like Figure 1As shown, the top of the support seat 1 is a symmetrical structure with two fixed plates 10 fixedly connected, two first rotating shafts 11 are rotatably connected between the two fixed plates 10, the circumferential outer walls of the two first rotating shafts 11 are fixedly connected with the first connecting arms 12, the inner walls of the two first connecting arms 12 are rotatably connected with the second rotating shafts 13, and the circumferential outer walls of the two second rotating shafts 13 are rotatably connected with the second connecting arms 14, a screw rod 15 is provided above the support seat 1, both ends of the screw rod 15 respectively penetrate the second rotating shafts 13 and are threadedly connected thereto, and also includes a top seat 16, the inner wall of the top seat 16 is rotatably connected with two third rotating shafts 17, and the ends of the two third rotating shafts 17 respectively penetrate the corresponding second connecting arms 14 and are rotatably connected thereto.

[0022] like Figure 1 and Figure 4 As shown, the top of the top seat 16 is slidably connected to the limit plate 18, and the two sides of the top seat 16 are symmetrically fixedly connected with two sliding rods 19, the ends of the sliding rods 19 respectively penetrate the limit plates 18 and are slidably connected thereto, and the ends of the sliding rods 19 are fixedly connected to the limit sleeves 20, and the inner wall of the top seat 16 is rotatably connected with a two-way threaded rod 21, and the ends of the two-way threaded rod 21 respectively penetrate the two limit plates 18 and are threadedly connected thereto. By rotating the two-way threaded rod 21, the two limit plates 18 are synchronously moved in opposite directions, so that the distance between the two limit plates 18 can be adjusted according to the width of the supported object, and the supported object is effectively limited by the two limit plates 18, thereby preventing the supported object from slipping sideways during the supporting process.

[0023] Working principle: When supporting, by rotating the screw rod 15, the two second rotating shafts 13 respectively drive the first connecting arm 12 and the second connecting arm 14 to move, and the two second connecting arms 14 push the top seat 16 to move upward to contact the supported object;

[0024] By sliding the slider 3 along the inner wall of the slide groove 2 at the top of the support seat 1, the slider 3 drives the side plate 6 to move through the connecting plate 4, and drives the support plate 7 to move through the side plate 6, so that the supporting position of the pressure block 9 can be adjusted. After adjustment, by rotating the first adjusting screw 5 so that the bottom of the first adjusting screw 5 abuts against the top of the support seat 1, the position of the pressure block 9 can be quickly fixed, and by rotating the second adjusting screw 8, the pressure block 9 is pushed to move downward and contact the ground, so that the contact area and range between the support seat 1 and the ground can be increased, thereby improving the stability of the jack installation;

[0025] By rotating the bidirectional threaded rod 21, the two limit plates 18 move synchronously in opposite directions, so that the distance between the two limit plates 18 can be adjusted according to the width of the supported object. The supported object is effectively limited by the two limit plates 18 to prevent the supported object from sliding sideways during the supporting process.

[0026] The above are only preferred specific implementation methods of the utility model, but the protection scope of the utility model is not limited to this. Any technician familiar with the technical field within the technical scope disclosed by the utility model, who makes equivalent replacements or changes based on the technical scheme and utility model concept of the utility model, should be covered by the protection scope of the utility model.

Claims

1. A jack with anti-slip function, comprising a support seat (1), characterized in that: The support seat (1) is provided with a slide groove (2) at the top, and a plurality of sliders (3) are slidably connected to the inner wall of the slide groove (2), and the tops of the plurality of sliders (3) are fixedly connected to a connecting plate (4), and the tops of the plurality of connecting plates (4) are threadedly connected to a first adjusting screw (5), and the bottoms of the plurality of first adjusting screws (5) penetrate the connecting plate (4) and extend to the bottom thereof, and the bottoms of the plurality of first adjusting screws (5) are respectively abutted against the top of the support seat (1), and the bottoms of the plurality of connecting plates (4) are fixedly connected to a side plate (6), and the outer walls of the plurality of side plates (6) are fixedly connected to a supporting plate (7), and the tops of the plurality of supporting plates (7) are threadedly connected to a second adjusting screw (8), and the bottoms of the plurality of second adjusting screws (8) penetrate the supporting plate (7) and extend to the bottom thereof, and the bottoms of the plurality of second adjusting screws (8) are rotatably connected to a pressing block (9).

2. The jack with anti-slip function according to claim 1, characterized in that: The top of the support seat (1) is symmetrically structured and fixedly connected to two fixing plates (10), two first rotating shafts (11) are rotatably connected between the two fixing plates (10), and the circumferential outer walls of the two first rotating shafts (11) are fixedly connected to first connecting arms (12).

3. The jack with anti-slip function according to claim 2, characterized in that: The inner walls of the two first connecting arms (12) are both rotatably connected to the second rotating shaft (13), and the circumferential outer walls of the two second rotating shafts (13) are both rotatably connected to the second connecting arms (14). A screw rod (15) is provided above the support seat (1), and both ends of the screw rod (15) respectively penetrate the second rotating shaft (13) and are threadedly connected thereto.

4. The jack with anti-slip function according to claim 3, characterized in that: It also comprises a top seat (16), the inner wall of which is rotatably connected to two third rotating shafts (17), and the ends of the two third rotating shafts (17) respectively penetrate the corresponding second connecting arms (14) and are rotatably connected thereto.

5. The jack with anti-slip function according to claim 4, characterized in that: The top of the top seat (16) is slidably connected to a limit plate (18), and two sides of the top seat (16) are symmetrically and fixedly connected to two sliding rods (19), and the ends of the sliding rods (19) respectively penetrate the limit plates (18) and are slidably connected thereto.

6. The jack with anti-slip function according to claim 5, characterized in that: The ends of the sliding rod (19) are fixedly connected to the limiting sleeve (20), and the inner wall of the top seat (16) is rotatably connected to a bidirectional threaded rod (21), and the ends of the bidirectional threaded rod (21) respectively penetrate the two limiting plates (18) and are threadedly connected thereto.

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