CN216190661U

CN216190661U - Jack handle

Info

Publication number: CN216190661U
Application number: CN202122251130.0U
Authority: CN
Inventors: 胡红亮
Original assignee: Hainan Shuohang Technology Co ltd
Current assignee: Hainan Shuohang Technology Co ltd
Priority date: 2021-09-17
Filing date: 2021-09-17
Publication date: 2022-04-05
Anticipated expiration: 2031-09-17

Abstract

The utility model discloses a jack handle, comprising: the hollow rod is internally provided with a jacking device, the hollow rod is provided with a jacking outlet, and one end of the hollow rod is provided with a threaded hole; the jacking device comprises a jacking plate, an extension spring, a push rod and a threaded rod; the jacking plate is arranged in the ejection opening, one end of the extension spring is connected with the jacking plate, and the other end of the extension spring is connected with the inner wall of the hollow rod; the pushing rod is connected inside the hollow rod in a sliding mode, one end of the pushing rod is provided with a jacking block, and the jacking block is provided with an inclined surface; the tightening plate is provided with a strip-shaped convex block, and the inclined plane on the tightening block is arranged below the strip-shaped convex block and is in contact with the strip-shaped convex block; threaded rod one end is passed the screw hole and is located hollow pole inside, and with catch bar one end butt, the threaded rod other end is located hollow pole outside, and threaded rod and screw hole are equipped with the matched with screw thread. The technical problem that the existing handle is easy to loosen and fall off when the jack is operated is solved.

Description

Jack handle

Technical Field

The application relates to the technical field of jacks, in particular to a jack handle.

Background

The jack is a light and small lifting device which uses a rigid lifting piece as a working device and lifts a heavy object in a stroke through a top bracket or a bottom supporting claw, and the jack is light, firm, flexible and reliable in structure and can be carried and operated by one person. The handle is the indispensable article in the jack use, need stretch into the connecting sleeve on the jack with handle one end when operating the jack, however when current handle one end stretched into operating the jack in the connecting sleeve, the fastening degree of handle and the connecting sleeve on the jack is lower, and the handle is easily followed the jack and is become flexible and drop, uses comparatively inconveniently.

SUMMERY OF THE UTILITY MODEL

The embodiment of the application provides a jack handle for solve current handle and take place not hard up technical problem who drops easily when operating the jack.

In view of the above, the present application provides a jack handle comprising:

the jacking device is arranged in the hollow rod, a jacking port is formed in the hollow rod, and a threaded hole is formed in one end of the hollow rod;

the jacking device comprises a jacking plate, an extension spring, a push rod and a threaded rod;

the jacking plate is arranged in the jacking port, one end of the extension spring is connected with the jacking plate, and the other end of the extension spring is connected with the inner wall of the hollow rod;

the pushing rod is connected inside the hollow rod in a sliding mode, one end of the pushing rod is provided with a jacking block, and an inclined plane is arranged on the jacking block;

the tightening plate is provided with a strip-shaped convex block, and an inclined plane on the tightening block is arranged below the strip-shaped convex block and is in contact with the strip-shaped convex block;

threaded rod one end is passed the screw hole is located inside the hollow rod, and with catch bar one end butt, the threaded rod other end is located hollow outside of the pole, the threaded rod with the screw hole is equipped with the matched with screw thread.

Optionally, a supporting block is mounted on the inner wall of the hollow rod, the supporting block and the tightening plate are mounted oppositely, the tightening plate is mounted in the ejection opening, and one surface of the supporting block is connected with the tightening plate through the extension spring.

Optionally, four extension springs are arranged, and two ends of each of the four extension springs are respectively connected with the four corners of the tightening plate and the four corners of the supporting block.

Optionally, the tightening block is provided as a triangular prism, and the diameter of the push rod is slightly smaller than the inner diameter of the hollow rod.

Optionally, the tightening block is arranged in the middle of the end face of the push rod.

Optionally, one end of the threaded rod, which is located outside the hollow rod, is provided with a rod cap, and the rod cap is provided with anti-skid lines.

Optionally, a rubber sleeve is sleeved on the hollow rod.

Optionally, a magnet is mounted on the hollow rod, and the magnet is a cylindrical magnet.

Optionally, the circumferential size of the tightening plate is slightly smaller than the size of the top outlet.

Optionally, the outer surface of the hollow bar is coated with a rust inhibiting paint.

According to the technical scheme, the embodiment of the application has the following advantages:

the application provides a jack handle, after one end of a hollow rod provided with a jack outlet is extended into a connecting sleeve of the existing jack, one end of the threaded rod is abutted against one end of the push rod and pushes the push rod by screwing the threaded rod matched with the threaded hole on the hollow rod, at the moment, the inclined plane of the jacking block fixedly arranged at the other end of the push rod is abutted against the strip-shaped convex block arranged on the jacking plate, because the jacking plate is arranged in the jacking port and is arranged on the hollow rod through the extension spring, so at the in-process that the catch bar promoted, the tight piece in top can with the contact of bar lug and promote the tight board in top from the liftout mouth department of empty core rod ejecting, ejecting tight board in top can with the connecting sleeve's of jack internal surface butt chucking, empty core rod one end will fix the chucking in connecting sleeve this moment, solved current handle and taken place not hard up technical problem who drops when operating the jack easily.

Drawings

Fig. 1 is a schematic overall structural view of a handle of a jack provided in an embodiment of the present application;

FIG. 2 is a schematic front view of a jack handle provided in an embodiment of the present application;

FIG. 3 is a schematic sectional view A-A of a jack provided in an embodiment of the present application in elevation of a handle;

FIG. 4 is a schematic structural diagram illustrating a bottom view of a handle of a jack provided in an embodiment of the present application;

FIG. 5 is a schematic structural diagram of a jacking device of a handle of a jack provided in an embodiment of the present application;

wherein the reference numerals are:

1. a hollow shaft; 11. a threaded hole; 12. a top outlet; 2. a jacking plate; 21. a bar-shaped projection; 3. an extension spring; 4. a threaded rod; 41. a nut; 5. a push rod; 6. a jacking block; 7. a support block; 8. a rubber sleeve; 9. a cylindrical magnet.

Detailed Description

In order to make the technical solutions of the present application better understood, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application. In the description of the embodiments of the present application, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience in describing the embodiments of the present application and simplifying the description, but do not indicate or imply that the referred devices or elements must have specific orientations, be configured in specific orientations, and operate, and thus, should not be construed as limiting the embodiments of the present application. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the embodiments of the present application, it should be noted that the terms "mounted," "connected," and "connected" are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected unless explicitly stated or limited otherwise; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. Specific meanings of the above terms in the embodiments of the present application can be understood in specific cases by those of ordinary skill in the art.

Example 1

To facilitate understanding, referring to fig. 1-5, the present application provides an embodiment of a jack handle comprising: the device comprises a hollow rod 1, wherein a jacking device is arranged in the hollow rod 1, a jacking port 12 is arranged on the hollow rod 1, and a threaded hole 11 is formed in one end of the hollow rod 1; the jacking device comprises a jacking plate 2, an extension spring 3, a push rod 5 and a threaded rod 4; the jacking plate 2 is arranged in the jacking port 12, one end of the extension spring 3 is connected with the jacking plate 2, and the other end of the extension spring is connected with the inner wall of the hollow rod 1; the pushing rod 5 is connected inside the hollow rod 1 in a sliding mode, one end of the pushing rod 5 is provided with a jacking block 6, and the jacking block 6 is provided with an inclined surface; the tightening plate 2 is provided with a strip-shaped convex block 21, and the inclined plane on the tightening block 6 is arranged below the strip-shaped convex block 21 and is in contact with the strip-shaped convex block 21; threaded rod 4 one end is passed threaded hole 11 and is located hollow rod 1 inside, and with 5 one end butts of catch bar, the threaded rod 4 other end is located hollow rod 1 outside, and threaded rod 4 and threaded hole 11 are equipped with the matched with screw thread.

It should be noted that the hollow rod 1 is a hollow cylindrical rod, and in order to ensure strength, the hollow rod 1 is made of an aluminum alloy metal material. A screw hole 11 is provided in the middle of one end of the hollow bar 1, and the screw hole 11 has a certain length. The top export 12 sets up in the one end department that is close to hollow rod 1, and the tight board 2 in top is installed when the export 12 department in top, and the side of the hollow rod 1 of no protrusion avoids hollow rod 1 to stretch into in the jack connecting sleeve both to take place to collide with. The surface of the top tightening plate 2, which is arranged at the top outlet 12, is an arc-shaped surface, and the surface opposite to the arc-shaped surface is a flat surface. One end of the extension spring 3 is fixedly connected with the plane surface of the tightening plate 2, and the other end is fixedly connected on the inner wall of the hollow rod 1. The setting of bar lug 21 is at the middle part on 2 flat surfaces of this puller plate, this bar lug 21 side is the radius shape, can be convenient with the cooperation on the tight piece 6 inclined planes in top, the tight piece 6 in top is installed with bar lug 21 mutually perpendicular, screw rod 4 is being twisted and is making catch bar 5 push to the puller plate 2 time, the inclined plane and the bar lug 21 contact of tight piece 6 in top, when continuing to twist screw rod 4 and make the tight piece 6 in top to bar lug 21, the tight piece 6 in top promotes the tight piece 2 in top and follows the side of ejecting mouthful 12 protrusion hollow rod 1, the tight piece 2 in top can offset the chucking with the connecting sleeve of jack this moment.

In the embodiment of the application, after one end of the hollow rod 1 provided with the jacking port 12 extends into a connecting sleeve of the existing jack, one end of the threaded rod 4 can be abutted against one end of the push rod 5 and pushes the push rod 5 by screwing the threaded rod 4 matched with the threaded hole 11 on the hollow rod 1, at the moment, the inclined surface of the jacking block 6 fixedly arranged at the other end of the push rod 5 is abutted against the strip-shaped convex block 21 arranged on the jacking plate 2, because the jacking plate 2 is arranged at the jacking port 12 and is arranged on the hollow rod 1 through the extension spring 3, in the pushing process of the push rod 5, the jacking block 6 can be contacted with the strip-shaped convex block 21 and pushes the jacking plate 2 to be ejected out from the jacking port 12 of the hollow rod 1, the ejected jacking plate 2 can be abutted against and clamped with the inner surface of the connecting sleeve of the jack, at the moment, one end of the hollow rod 1 is fixedly clamped in the connecting sleeve, the technical problem that the existing handle is easy to loosen and fall off when the jack is operated is solved. When taking hollow rod 1 out from jack connecting sleeve, rotatable unscrewing threaded rod 4, have the effect of pulling force at extension spring 3 this moment, extension spring 3 can be with in tight board 2 pull back ejection opening 12 in, tight piece 6 and catch bar 5 will also be backed down by bar lug 21, tight board 2 and jack connecting sleeve break away from the butt in this moment to can easily take hollow rod 1 out.

Example 2

As a further improvement to embodiment 1, for the sake of understanding, referring to fig. 1 to 5, a supporting block 7 is installed on the inner wall of the hollow rod 1, the supporting block 7 is installed opposite to the tightening plate 2, the tightening plate 2 is installed in the outlet 12, and one surface of the supporting block 7 is connected to the tightening plate 2 through a tension spring 3. Because hollow rod 1 is hollow cylinder pole, for being convenient for install extension spring 3 on hollow rod 1 inner wall, be equipped with supporting shoe 7 fixed mounting in hollow rod 1, supporting shoe 7 is the arc piece that has the cambered surface shape, the cambered surface of supporting shoe 7 and the inner wall laminating fixed mounting of hollow rod 1, the plane surface of this supporting shoe 7 is relative with the plane surface of puller plate 2 after the fixed mounting, can be with extension spring 3's both ends difference fixed connection at this moment on supporting shoe 7 and puller plate 2's plane surface.

Further, as shown in fig. 5, four extension springs 3 are provided, and two ends of each of the four extension springs 3 are respectively connected to four corners of the tightening plate 2 and the supporting block 7. In order to enable the tightening plate 2 to move stably, one ends of four extension springs 3 are fixedly connected to four corners of the flat surface of the tightening plate 2 respectively, and the other ends of the four extension springs 3 are fixedly connected to four corners of the flat surface of the supporting block 7 respectively. The joint of the tightening plate 2, the supporting block 7 and the extension spring 3 is provided with a round bump, the diameter of the round bump is slightly larger than the inner diameter of the extension spring 3, and the extension spring 3 can be conveniently and fixedly installed through the round bump.

Further, as shown in fig. 5, the holding-up block 6 is provided as a triangular prism. For make tight piece 6 in top can be convenient with the contact of the bar lug 21 on the tight board 2 in top and promote tight board 2 in top, set up tight piece 6 in top into the triangular prism, and the most advanced of tight piece 6 in top is located between the extension spring 3 of both sides. The catch bar 5 is arranged to be a cylinder and is connected with the puller block 6 in an integrated mode, and in order to ensure that the catch bar 5 can slide in the hollow rod 1, the diameter of the catch bar 5 is slightly smaller than the inner diameter of the hollow rod 1. Further, the puller block 6 is arranged in the middle of the end face of the push rod 5. In order to ensure that the jacking block 6 does not collide with the extension springs 3 on the two sides, the jacking block 6 is arranged in the middle of the end face of the push rod 5 and is positioned in the middle of the extension springs 3 on the two sides, and the jacking block 6 pushes the jacking plate 2 to move only between the extension springs 3 on the two sides.

Furthermore, one end of the threaded rod 4, which is positioned outside the hollow rod 1, is provided with a rod cap 41, and the rod cap 41 is provided with anti-skid lines. In order to conveniently screw the threaded rod 4, a rod cap 41 is fixedly connected to one end of the threaded rod 4, which is positioned outside the hollow rod 1, the rod cap 41 is a cylinder, and the diameter of the rod cap 41 is the same as the outer diameter of the hollow rod 1. In order to prevent the screw rod 4 from slipping when the lever cap 41 is tightened, the circumferential surface of the lever cap 41 is provided with anti-slip threads.

Further, the hollow rod 1 is sleeved with a rubber sleeve 8. In order to provide comfort and prevent slipping during operation of the hollow rod 1, a rubber sleeve 8 is sleeved on the side of the end of the hollow rod 1 provided with the threaded hole 11.

Further, a magnet is mounted on the hollow bar 1, and the magnet is a cylindrical magnet 9. In order to conveniently carry the hollow rod 1, a cylindrical magnet 9 is mounted on the outer surface of the hollow rod 1, and the inner diameter of the cylindrical magnet 9 is the same as the outer diameter of the hollow rod 1 and can be directly sleeved on the side surface of the hollow rod 1. After the cylindrical magnet 9 is sleeved on the hollow rod 1, the hollow rod 1 can be attracted and attached to the shell of the jack by the magnetic characteristic of the cylindrical magnet 9, and the jack is convenient to carry.

Further, the circumferential dimension of the tightening plate 2 is slightly smaller than that of the top outlet 12. In order to prevent the top tightening plate 2 from being stuck at the top outlet 12 when being pushed out of the top outlet 12, the length and width of the top tightening plate 2 are slightly smaller than those of the top outlet 12.

Further, in order to prevent the hollow bar 1 from rusting and corroding to affect the use, the outer surface of the hollow bar 1 is coated with antirust paint.

The above embodiments are only used for illustrating the technical solutions of the present application, and not for limiting the same; although the present application has been described in detail with reference to the foregoing embodiments, it should be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions in the embodiments of the present application.

Claims

1. A jack handle, comprising:

2. The jack handle of claim 1, wherein a support block is mounted on an inner wall of the hollow shaft, the support block is mounted opposite to the knock-out plate and the knock-out plate is mounted in the knock-out opening, and a surface of the support block is connected to the knock-out plate through the extension spring.

3. The handle of claim 2, wherein four extension springs are provided, and two ends of each of the four extension springs are respectively connected with four corners of the tightening plate and the supporting block.

4. The jack handle of claim 1, wherein the jacking block is provided as a triangular prism, and the push rod has a diameter smaller than an inner diameter of the hollow rod.

5. The jack handle of claim 4, wherein the jacking block is disposed in the middle of the end face of the push rod.

6. The jack handle of claim 1, wherein the threaded rod has a rod cap on one end outside the hollow rod, the rod cap having non-slip threads thereon.

7. The jack handle of claim 1, wherein the hollow rod is sleeved with a rubber sleeve.

8. The jack handle of claim 1, wherein the hollow rod has a magnet mounted thereon, the magnet being a cylindrical magnet.

9. The jack handle of claim 1, wherein the jacking plate has a circumferential dimension that is less than a dimension of the jacking port.

10. The jack handle of claim 1, wherein the outer surface of the hollow bar is coated with a rust inhibiting paint.