CN213865181U - Jack rod of jack - Google Patents

Abstract

The utility model discloses a jack ejector pin, including the jack pole, the top rigid coupling of jack pole has the hood, coupling mechanism is installed on the right side of hood, coupling mechanism includes threaded rod, square plate, montant, lagging, bent piece and spring, the left side of threaded rod is rotated with the right side of hood and is connected, the outer wall of threaded rod and the inner wall looks rigid coupling of square plate, the top of square plate is pegged graft with the bottom of montant mutually. Realized the control lever through coupling mechanism montant and lagging and dismantled, prevented that the handle from colliding and damaging, guaranteed the dismantlement, ensured normal use, it is fixed to drive the arc board to the bolt position through fixed establishment stud normal running fit diaphragm, improved the friction, prevented that it is not hard up for a long time, ensured to connect stably, fixed mechanism arc board is fixed to the bolt, it leads to rusty to have prevented that the bolt from becoming flexible intaking, ensured the bolt dismantlement, the use degree of difficulty has been reduced, the practicality has been improved, and the popularization is convenient.

Description

Jack rod of jack

Technical Field

The utility model relates to a jack ejector pin technical field specifically is a jack ejector pin.

Background

The jack ejector rod has the advantages of simple structure, light weight, portability and convenient movement, and common simple hoisting equipment can be used.

The pivoted handle of control threaded rod is longer when current jack ejector pin stiff end is connected, and easy collision damages unable dismantlement, leads to unable use, causes the unable dismantlement of threaded rod to expansion end connecting bolt exposes, does not have the restriction, and is not hard up for a long time easily, and the influence is connected stably, and the bolt takes place to rust fast easily simultaneously, causes unable dismantlement, has increased the use degree of difficulty, has reduced the practicality, is not conform to modern's user demand.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a with jack ejector pin to it is longer to provide control threaded rod pivoted handle when connecting in the above-mentioned background art to propose current jack ejector pin stiff end, and easy collision damages unable dismantlement, leads to unable use, causes the unable problem of dismantling of threaded rod.

In order to achieve the above object, the utility model provides a following technical scheme: a jack mandril comprises a jack rod, wherein the top of the jack rod is fixedly connected with a top cap, and the right side of the top cap is provided with a connecting mechanism;

the connecting mechanism comprises a threaded rod, a square plate, a vertical rod, a sleeve plate, a curved block and a spring;

the left side of threaded rod is rotated with the right side of hood and is connected, the outer wall of threaded rod and the inner wall looks rigid coupling of square slab, the top of square slab is pegged graft with the bottom of montant mutually, the outer wall below of montant and the top clearance fit of lagging, the inner wall of lagging cup joints with the outer wall of square slab mutually, the top of montant and the bottom rigid coupling of bent piece mutually, the outer wall of montant cup joints with the inner wall of spring mutually, the upper and lower both sides of spring respectively with the bottom of bent piece and the top looks rigid coupling of lagging.

Preferably, the vertical rod, the sleeve plate, the bent block and the spring form an elastic mechanism.

Preferably, the bottom of the jack rod is inserted with a concave plate, and the front surface of the concave plate is rotatably connected with a curved plate.

Preferably, a fixing mechanism is installed on the left side of the bent plate;

the fixing mechanism comprises a square frame, a sliding chute, a double-end stud, a transverse plate, an arc plate and a handle;

the right side of square frame and the left side looks rigid coupling of bent plate, the spout has been processed in the inner wall left side of square frame, the upper and lower both sides of square frame rotate with the outer wall upper and lower both sides of stud respectively and link to each other, the outer wall upper and lower both sides of stud respectively with the inner wall threaded connection of diaphragm, two the left side of diaphragm respectively with the inner wall slip joint of spout, two the inboard right-hand member of diaphragm respectively with the outside looks rigid coupling of arc board, the top of stud and the bottom rigid coupling of handle.

Preferably, the inner sides of the two arc plates are tightly abutted with bolts, and the outer walls of the bolts are in threaded connection with the inner walls of the curved plates.

Preferably, the stud and the transverse plate form a lifting mechanism.

Compared with the prior art, the beneficial effects of the utility model are that: the jack ejector rod realizes control rod disassembly through the connecting mechanism vertical rod and the sleeve plate, prevents the handle from being damaged by collision, ensures disassembly, and ensures normal use.

The stud of the fixing mechanism is matched with the transverse plate in a rotating mode to drive the arc plate to fix the position of the bolt, so that friction is improved, long-time loosening is prevented, and stable connection is ensured.

The arc plates of the fixing mechanism are used for fixing the bolts, so that the bolts are prevented from being loosened and entering water to cause rust, the bolts are guaranteed to be detached, the use difficulty is reduced, the practicability is improved, and the popularization is facilitated.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view showing the connection relationship between the threaded rod, the square plate and the sleeve plate in FIG. 1;

FIG. 3 is a schematic view of a connection structure of the square frame, the sliding groove and the stud in FIG. 1;

fig. 4 is a schematic view of the connection relationship between the cross plate, the arc plate and the bolt in fig. 1.

In the figure: 1. jack, 2, connecting mechanism, 201, threaded rod, 202, square plate, 203, vertical rod, 204, sleeve plate, 205, curved block, 206, spring, 3, fixing mechanism, 301, square frame, 302, sliding chute, 303, stud, 304, transverse plate, 305, arc plate, 306, grip, 4, top cap, 5, concave plate, 6, curved plate, 7, bolt.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides a technical solution: a jack mandril comprises a jack rod 1, a top cap 4 is fixedly connected with the top of the jack rod 1, a connecting mechanism 2 is arranged at the right side of the top cap 4, the connecting mechanism 2 comprises a threaded rod 201, a square plate 202 and a vertical rod 203, the novel screw rod structure comprises a sleeve plate 204, a curved block 205 and a spring 206, wherein the left side of a threaded rod 201 is rotatably connected with the right side of a top cap 4, the threaded rod 201 is stressed to rotate through a bearing on the right side of the top cap 4, the outer wall of the threaded rod 201 is fixedly connected with the inner wall of a square plate 202, the top of the square plate 202 is connected with the bottom of a vertical rod 203 in an inserting mode, the lower portion of the outer wall of the vertical rod 203 is in clearance fit with the top of the sleeve plate 204, the vertical rod 203 is stressed to move up and down through the top of the sleeve plate 204, the inner wall of the sleeve plate 204 is connected with the outer wall of the square plate 202 in an inserting mode, the sleeve plate 204 is stressed to be separated from the square plate 202, the top of the vertical rod 203 is fixedly connected with the bottom of the curved block 205, the outer wall of the vertical rod 203 is connected with the inner wall of the spring 206 in an inserting mode, and the upper side and the lower side of the spring 206 are fixedly connected with the bottom of the curved block 205 and the top of the sleeve plate 204 respectively.

The vertical rod 203, the sleeve plate 204, the curved block 205 and the spring 206 form an elastic mechanism, the vertical rod 203 rebounds through the spring 206 after being stressed and moved, the concave plate 5 is inserted at the bottom of the jack rod 1, the front surface of the concave plate 5 is rotatably connected with the curved plate 6, the left side of the curved plate 6 is provided with the fixing mechanism 3, the fixing mechanism 3 comprises a square frame 301, a sliding groove 302, a stud 303, a transverse plate 304, an arc plate 305 and a handle 306, the right side of the square frame 301 is fixedly connected with the left side of the curved plate 6, the sliding groove 302 is processed at the left side of the inner wall of the square frame 301, the upper side and the lower side of the square frame 301 are respectively rotatably connected with the upper side and the lower side of the outer wall of the stud 303, the stud 303 is stressed to rotate through bearings at the upper side and the lower side of the square frame 301, the upper side and the lower side of the outer wall of the stud 303 are respectively connected with the inner wall of the transverse plate 304 in a threaded manner, the left sides of the two transverse plates 304 are respectively clamped with the inner wall of the sliding groove 302 in a sliding manner, the transverse plate 304 is stressed to slide up and down through the inner wall of the sliding groove 302, the right ends of the inner sides of the two transverse plates 304 are fixedly connected with the outer sides of the arc plates 305 respectively, the top of the stud 303 is fixedly connected with the bottom of the handle 306, the handle 306 is convenient for rotating the stud 303, the inner sides of the two arc plates 305 are tightly abutted with the bolts 7, the outer wall of each bolt 7 is in threaded connection with the inner wall of the corresponding bent plate 6, the stud 303 and the transverse plates 304 form a lifting mechanism, and the stud 303 rotates to drive the transverse plates 304 to move up and down.

In this example, when the jack 1 is used, the vertical rod 203 is driven to move upwards by the curved block 205, so as to stretch the spring 206, then the sleeve plate 204 is sleeved on the outer wall of the square plate 202, then the curved block 205 is loosened, the spring 206 provides elasticity to enable the curved block 205 to rebound downwards, so that the top of the square plate 202 is inserted when the vertical rod 203 is driven, then the threaded rod 201 is inserted with the external connecting port, then the curved block 205 is matched with the vertical rod 203 to drive the sleeve plate 204 to rotate, so that the threaded rod 201 is rotated to be connected and fixed with the external connecting port in a threaded manner, then the installation operation is reversed to take the sleeve plate 204 down, then the position of the curved plate 6 is rotated, so that the bolt 7 on the front side of the curved plate 6 is connected with the external connecting port in a threaded manner, then the grip 306 is used to drive the stud 303 to rotate, so that the upper and lower horizontal plates 304 move inwards through the sliding groove 302, so as to drive the convex block on the inner side of the arc plate 305 to tightly press the outer wall of the bolt 7, the abutting friction of the bolt 305 is increased, the bolt 305 is prevented from rotating, and the stable connection is ensured.

In the description of the present invention, it is to be understood that the terms "coaxial", "bottom", "one end", "top", "middle", "other end", "upper", "one side", "top", "inner", "front", "center", "both ends", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "disposed," "connected," "fixed," "screwed" and the like are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through an intermediate medium, and may be connected through the inside of two elements or in an interaction relationship between two elements, unless otherwise specifically defined, and the specific meaning of the above terms in the present invention will be understood by those skilled in the art according to specific situations.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (6)

1. The utility model provides a jack ejector pin, includes jack rod (1), its characterized in that: the top of the jack rod (1) is fixedly connected with a top cap (4), and the right side of the top cap (4) is provided with a connecting mechanism (2);

the connecting mechanism (2) comprises a threaded rod (201), a square plate (202), a vertical rod (203), a sleeve plate (204), a curved block (205) and a spring (206);

the left side of threaded rod (201) is rotated with the right side of hood (4) and is connected, the outer wall of threaded rod (201) and the inner wall looks rigid coupling of square plate (202), the top of square plate (202) is pegged graft with the bottom of montant (203), the top clearance fit of the outer wall below and lagging (204) of montant (203), the inner wall of lagging (204) and the outer wall of square plate (202) cup joint mutually, the top of montant (203) and the bottom rigid coupling of bent piece (205), the outer wall of montant (203) cup joints with the inner wall of spring (206) mutually, the upper and lower both sides of spring (206) respectively with the bottom of bent piece (205) and the top looks rigid coupling of lagging (204).

2. A jack rod as claimed in claim 1 wherein: the vertical rod (203), the sleeve plate (204), the curved block (205) and the spring (206) form an elastic mechanism.

3. A jack rod as claimed in claim 1 wherein: the bottom of the jack rod (1) is inserted with a concave plate (5), and the front surface of the concave plate (5) is rotatably connected with a curved plate (6).

4. A jack rod according to claim 3 wherein: a fixing mechanism (3) is arranged on the left side of the bent plate (6);

the fixing mechanism (3) comprises a square frame (301), a sliding groove (302), a stud (303), a transverse plate (304), an arc plate (305) and a handle (306);

the right side of square frame (301) and the left side looks rigid coupling of bent plate (6), the processing in the inner wall left side of square frame (301) has spout (302), the upper and lower both sides of square frame (301) rotate with both sides about the outer wall of stud (303) respectively and link to each other, both sides are respectively with the inner wall threaded connection of diaphragm (304) about the outer wall of stud (303), two the left side of diaphragm (304) respectively with the inner wall slip joint of spout (302), two the inboard right-hand member of diaphragm (304) respectively with the outside looks rigid coupling of arc board (305), the top of stud (303) and the bottom rigid coupling of handle (306).

5. A jack rod according to claim 4 wherein: the inner sides of the two arc plates (305) are tightly abutted with bolts (7), and the outer walls of the bolts (7) are in threaded connection with the inner walls of the bent plates (6).

6. A jack rod according to claim 4 wherein: the stud (303) and the transverse plate (304) form a lifting mechanism.

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