CN220389229U

CN220389229U - Manual quick roof

Info

Publication number: CN220389229U
Application number: CN202322067429.XU
Authority: CN
Inventors: 周灶铨; 刘宏任; 赖桂祁; 吕国星
Original assignee: Guangzhou Yuxin Hardware Products Co ltd
Current assignee: Guangzhou Yuxin Hardware Products Co ltd
Priority date: 2023-08-02
Filing date: 2023-08-02
Publication date: 2024-01-26
Anticipated expiration: 2033-08-02

Abstract

The utility model discloses a manual quick jack, which comprises a fixed base and an adjusting base arranged on the fixed base, wherein one end of the adjusting base is provided with a piston jack assembly, the other end of the adjusting base is provided with a driving assembly, and the driving assembly is movably connected with the jack assembly so as to drive the piston jack assembly to move up and down; according to the utility model, the manual quick jacking is movably connected with the jacking component through the driving component, and the driving component is pulled to change forward thrust steering in the driving component into upward thrust so as to drive the piston jacking component to move upward to jack the workpiece, so that the risk of jacking the workpiece to the hand due to the hand can be avoided; the manual quick jacking device is simple and reliable in structure and convenient to use.

Description

Manual quick roof

Technical Field

The utility model belongs to the technical field of tool clamps, and particularly relates to a manual quick jacking device.

Background

Currently, a puller is a type of puller mechanism commonly found in specialized industrial fixtures. Common propping mechanisms include a hydraulic propping mechanism, a pneumatic propping mechanism, a thread propping mechanism and the like. The mechanisms can better realize the tight jacking positioning of the workpiece, but generally, the tight jacking mechanisms have complex structures, relatively large volumes and higher cost.

Disclosure of Invention

The utility model mainly aims to provide a manual quick jacking device which is simple and reliable in structure and can avoid the risk of jacking a hand by a hand-held workpiece.

According to a first aspect of the utility model, a manual quick jack is provided, which comprises a fixed base and an adjusting base arranged on the fixed base, wherein one end of the adjusting base is provided with a piston jack assembly, the other end of the adjusting base is provided with a driving assembly, and the driving assembly is movably connected with the jack assembly so as to drive the piston jack assembly to move up and down.

In a specific embodiment of the utility model, the piston propping assembly comprises a cylinder barrel, a piston and a push rod, wherein the cylinder barrel is fixedly arranged on the adjusting base, a first sliding connection hole is arranged in the center of the cylinder barrel, a second sliding connection hole matched with the first sliding connection hole is arranged on the adjusting base, the piston is slidably arranged in the first sliding connection hole and the second sliding connection hole, and the push rod is arranged at the top of the piston.

In a specific embodiment of the utility model, a first through groove communicated with the first sliding connection hole is formed in the outer wall of the cylinder barrel, a second through groove is formed in the outer wall of the piston, the positions of the first through groove and the second through groove are matched, first through holes communicated with the second through groove are respectively formed in two sides of the second through groove of the piston, and the two first through holes are symmetrically arranged.

In a specific embodiment of the present utility model, a roller is disposed in the second through-hole, and the roller is mounted in the second through-hole by being matched with the two first through-holes through a rotation pin.

In a specific embodiment of the utility model, two sides of the first sliding contact hole and the second sliding contact hole are respectively provided with symmetrically arranged mounting grooves, a reset spring is arranged in each mounting groove, two sides of the lower part of the piston are provided with second through holes matched with the mounting grooves, limiting pins are inserted into the two second through holes, and two ends of each limiting pin extend into each mounting groove to be abutted against one end of each reset spring.

In a specific embodiment of the utility model, a gasket is arranged at the top of the cylinder barrel, a clearance hole is arranged in the center of the gasket, the diameter of the clearance hole is matched with the outer diameter of the piston, and the other end of the return spring is abutted against the gasket.

In a specific embodiment of the utility model, the driving assembly comprises a support, a connecting rod mechanism, a handle and a sloping block, wherein the support is fixedly arranged at the other end of the adjusting base, the connecting rod mechanism is arranged on the support, the handle is respectively connected with the support and the connecting rod mechanism, the sloping block is connected with the connecting rod mechanism, and the connecting rod mechanism can drive the sloping block to move forwards and backwards;

when the inclined block moves forwards to pass through the first through groove and the second through groove to be abutted against the roller, the ejector rod is in a first state of upwards moving to tightly prop against a workpiece;

when the inclined block moves backwards to exit the first through groove and the second through groove, the ejector rod is in a second state of resetting under the action of the reset spring.

In a specific embodiment of the utility model, one end of the support is provided with a guide sleeve, and the other end is provided with a hinge part; the handle includes a connecting portion and a pulling portion.

In a specific embodiment of the utility model, the link mechanism comprises two symmetrically arranged connecting plates and a guide rod, one ends of the two connecting plates are hinged with one end of the guide rod through a pin shaft, the other ends of the two connecting plates are hinged with one end of the connecting part through a pin shaft, the inclined block is fixedly connected with the other end of the guide rod, the guide rod is sleeved in the guide sleeve in a sliding manner, and the joint of the connecting part of the handle and the pulling part is hinged with the hinge part.

In a specific embodiment of the utility model, two ends of the fixed base are respectively provided with a first vertical notch, two second vertical notches are arranged between the two first vertical notches, the fixed base is matched with the first vertical notches through bolts and is arranged on the workbench, the adjusting base is matched with the second vertical notches through bolts and is arranged on the fixed base, and the bolts can move in the first vertical notches and the second vertical notches.

One of the above technical solutions of the present utility model has at least one of the following advantages or beneficial effects:

according to the utility model, the manual quick jacking is movably connected with the jacking component through the driving component, and the driving component is pulled to change forward thrust steering in the driving component into upward thrust so as to drive the piston jacking component to move upward to jack the workpiece, so that the risk of jacking the workpiece to the hand due to the hand can be avoided; the manual quick jacking device is simple and reliable in structure and convenient to use.

Drawings

The utility model is further described below with reference to the drawings and examples;

FIG. 1 is a schematic view of an embodiment of the present utility model in a released state;

FIG. 2 is a schematic view of the structure of an embodiment of the present utility model in a tightened state;

FIG. 3 is a cross-sectional view of one embodiment of the present utility model;

FIG. 4 is another angular cross-sectional view of one embodiment of the present utility model;

FIG. 5 is a schematic view of a stationary base in an embodiment of the utility model;

FIG. 6 is a schematic view of the structure of an adjustment base in one embodiment of the utility model;

FIG. 7 is a schematic view of a cylinder barrel according to an embodiment of the present utility model;

fig. 8 is a schematic view of a piston in an embodiment of the utility model.

Detailed Description

Embodiments of the present utility model are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are exemplary only for explaining the present utility model and are not to be construed as limiting the present utility model.

In the description of the present utility model, it should be understood that references to orientation descriptions such as upper, lower, front, rear, left, right, etc. are based on the orientation or positional relationship shown in the drawings, are merely for convenience of description of the present utility model and to simplify the description, and do not indicate or imply that the apparatus or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present utility model.

In the description of the present utility model, a number means one or more, a number means two or more, and greater than, less than, exceeding, etc. are understood to not include the present number, and above, below, within, etc. are understood to include the present number. The description of the first and second is for the purpose of distinguishing between technical features only and should not be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.

Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, features defining "first" and "second" may explicitly or implicitly include one or more features.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the term "connected" should be construed broadly, and for example, it may be a fixed connection or an active connection, or it may be a detachable connection or a non-detachable connection, or it may be an integral connection; may be mechanically connected, may be electrically connected, or may be in communication with each other; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements, indirect communication or interaction relationship between the two elements.

The following disclosure provides many different embodiments, or examples, for implementing different aspects of the utility model.

Referring to fig. 1 to 8, a manual quick jack is provided, which comprises a fixed base 1 and an adjusting base 2 arranged on the fixed base 1, wherein one end of the adjusting base 2 is provided with a piston jack assembly, the other end of the adjusting base 2 is provided with a driving assembly, and the driving assembly is movably connected with the jack assembly to drive the piston jack assembly to move up and down.

In the embodiment of the utility model, the manual quick jacking is movably connected with the jacking component by arranging the driving component, and the driving component is pulled to change forward thrust steering in the driving component into upward thrust so as to drive the piston jacking component to move upwards to jack the workpiece, so that the risk that the workpiece is jacked to the hand by hand can be avoided; the manual quick jacking device is simple and reliable in structure and convenient to use.

In one embodiment of the utility model, the piston propping assembly comprises a cylinder barrel 3, a piston 4 and a push rod 5, wherein the cylinder barrel 3 is fixedly arranged on an adjusting base 2, a first sliding connection hole 302 is formed in the center of the cylinder barrel 3, a second sliding connection hole 201 matched with the first sliding connection hole 302 is formed in the adjusting base 2, the piston 4 is slidably arranged in the first sliding connection hole 302 and the second sliding connection hole 201, and the push rod 5 is arranged at the top of the piston 4. The piston 4 can move up and down relative to the cylinder 3 by arranging the first sliding contact hole 302 and the second sliding contact hole 201, and the ejector rod 5 is fixedly arranged at the top of the piston 4, so that the ejector rod 5 can tightly jack or loosen a workpiece through the up and down movement of the piston 4.

In one embodiment of the utility model, the outer wall of the cylinder barrel 3 is provided with a first through groove 301 communicated with the first sliding connection hole 302, the outer wall of the piston 4 is provided with a second through groove 401, the positions of the first through groove 301 and the second through groove 401 are matched, the piston 4 is respectively provided with first through holes 402 communicated with the second through groove 401 at two sides of the second through groove 401, and the two first through holes 402 are symmetrically arranged.

Further, a roller 12 is disposed in the second through-slot 401, and the roller 12 is mounted in the second through-slot 401 by being matched with the two first through-holes 402 through the rotation pin 13. The roller 12 is matched with the two first through holes 402 through the rotating pin 13 and is arranged in the second through hole 401, and when the inclined block 9 pushes the roller 12 forwards, the roller 12 drives the piston 4 to move upwards, so that the structure is simple, and the disassembly and the assembly are convenient.

Further, the two sides of the first sliding contact hole 302 and the second sliding contact hole 201 are respectively provided with symmetrically arranged mounting grooves 100, a reset spring 14 is arranged in each mounting groove 100, two sides of the lower portion of the piston 4 are provided with second through holes 403 matched with the mounting grooves 100, a limiting pin 15 is inserted into each second through hole 403, and two ends of the limiting pin 15 respectively extend into the mounting grooves 100 to be abutted against one end of each reset spring 14. The piston 4 can be automatically reset through the arrangement of the reset spring 14, so that the structure is simple and the use is convenient; and the two ends of the limiting pin 15 respectively extend into the mounting groove 100 to limit the piston 4, so as to prevent the piston from rotating.

Further, a gasket 6 is arranged at the top of the cylinder barrel 3, a clearance hole is formed in the center of the gasket 6, the diameter of the clearance hole is matched with the outer diameter of the piston 4, and the other end of the return spring 14 is abutted against the gasket 6.

In one embodiment of the utility model, the driving assembly comprises a support 7, a connecting rod mechanism, a handle 10 and an inclined block 9, wherein the support 7 is fixedly arranged at the other end of the adjusting base 2, the connecting rod mechanism is arranged on the support 7, the handle 10 is respectively connected with the support 7 and the connecting rod mechanism, the inclined block 9 is connected with the connecting rod mechanism, and the connecting rod mechanism can drive the inclined block 9 to move forwards and backwards;

when the inclined block 9 moves forwards to pass through the first through groove 301 and the second through groove 401 to be abutted against the roller 12, the ejector rod 5 has a first state of upwards moving to tightly press the workpiece;

when the swash block 9 moves backward out of the first through groove 301 and the second through groove 401, the jack 5 has a second state of being reset by the return spring 14.

Further, one end of the support 7 is provided with a guide sleeve 71, and the other end is provided with a hinge part 72; the handle 10 includes a connection portion 1001 and a pulling portion 1002.

In one embodiment of the utility model, the link mechanism comprises two symmetrically arranged connecting plates 11 and a guide rod 8, one end of each connecting plate 11 is hinged with one end of the guide rod 8 through a pin shaft, the other end is hinged with one end of a connecting part 1001 through a pin shaft, an inclined block 9 is fixedly connected with the other end of the guide rod 8, the guide rod 8 is sleeved in a guide sleeve 71 in a sliding manner, and the joint of the connecting part 1001 of a handle 10 and a pulling part 1002 is hinged with a hinging part 72.

In one embodiment of the utility model, two ends of the fixed base 1 are respectively provided with a first straight notch 101 which is vertically arranged, two second straight notches 102 which are transversely arranged are arranged between the two first straight notches 101, the fixed base 1 is matched with the first straight notches 101 through bolts and is arranged on a workbench, the adjusting base 2 is matched with the second straight notches 102 through bolts and is arranged on the fixed base 1, and the bolts can move in the first straight notches 101 and the second straight notches 102. The setting of the first straight notch 101 of vertical setting can adjust the relative position between unable adjustment base 1 and the workstation, and the setting of the second straight notch 102 of horizontal setting can adjust unable adjustment base 1 and adjust the relative position of base 2, and then realizes the position adjustment of horizontal and vertical two directions between ejector pin 5 and the work piece, facilitates the use.

The manual quick roof comprises the following steps and working principle:

when the workpiece is jacked up manually and quickly, the fixed base 1 is firstly arranged on a workbench or a certain position, the workbench is adjusted to a proper position through the first straight slot 101, then the handle 10 is pulled anticlockwise, namely the pulling part 1002 of the handle 10 rotates upwards along the hinging part 72, the two connecting plates 11 are jacked forwards by the connecting part 1001 of the handle 10, the guide rod 8 is jacked forwards by the two connecting plates 11 along the inside of the guide sleeve 71, the oblique block 9 is further jacked forwards through the first through groove 301 and the second through groove 401 to be abutted with the roller 12, the movement of the oblique block 9 pushes the roller 12 to move upwards, the roller 12 drives the piston 4 to move upwards along the first sliding contact hole 302 and the second sliding contact hole 201, so that the ejector rod 5 fixed at the top of the piston 4 is abutted with the workpiece, and because the guide rod 8 is jacked forwards by the connecting parts 1001 of the two connecting plates 11 and the handle 10, the oblique block 9 arranged at the end of the guide rod 8 is tightly jacked by utilizing the dead center transmission principle in the mechanical connecting rod, and the roller 4 is tightly jacked, so that the roller 4 is tightly jacked, and the roller 4 is tightly fixed at the top of the piston 4, and the roller 4 is tightly jacked; the ejector rod 5 can axially move relative to the guide rod 8 through threaded rotation, so that the distance between the ejector rod and a workpiece can be adjusted; when the workpiece needs to be loosened, the pulling part 1002 of the handle 10 is pulled downwards, so that the handle 10 rotates clockwise, the connecting part 1001 of the handle 10 drives the two connecting plates 11 to move backwards, the two connecting plates 11 drive the guide rod 8 to move backwards along the guide sleeve 71, the inclined block 9 moves backwards to leave the first through groove 301 and the second through groove 401 to be separated from the roller 12, and the piston 4 moves downwards along the first sliding contact hole 302 and the second sliding contact hole 201 under the action of the reset spring 14 to reset, so that the ejector rod 5 is separated from contact with the workpiece, and the loosening state of the manual quick ejection can be realized.

While embodiments of the present utility model have been shown and described, it will be understood by those of ordinary skill in the art that: many changes, modifications, substitutions and variations may be made to the embodiments without departing from the spirit and principles of the utility model, the scope of which is defined by the claims and their equivalents.

Claims

1. The utility model provides a manual quick top, its characterized in that includes unable adjustment base (1) and installs adjust base (2) of unable adjustment base (1), adjust base (2) one end and be equipped with the tight subassembly of piston top, adjust base (2) other end and be equipped with drive assembly, drive assembly with tight subassembly swing joint in top, in order to drive the tight subassembly of piston top reciprocates.

2. The manual quick roof according to claim 1, characterized in that the piston tightening assembly comprises a cylinder (3), a piston (4) and a push rod (5), the cylinder (3) is fixedly mounted on the adjusting base (2), a first sliding connection hole (302) is formed in the center of the cylinder (3), a second sliding connection hole (201) matched with the first sliding connection hole (302) is formed in the adjusting base (2), the piston (4) is slidably mounted in the first sliding connection hole (302) and the second sliding connection hole (201), and the push rod (5) is mounted at the top of the piston (4).

3. The manual quick roof according to claim 2, wherein a first through groove (301) communicated with the first sliding connection hole (302) is formed in the outer wall of the cylinder barrel (3), a second through groove (401) is formed in the outer wall of the piston (4), the positions of the first through groove (301) and the second through groove (401) are matched, first through holes (402) communicated with the second through groove (401) are formed in two sides of the second through groove (401) of the piston (4), and the two first through holes (402) are symmetrically formed.

4. A manual quick roof according to claim 3, characterized in that a roller (12) is arranged in the second through-slot (401), and the roller (12) is matched with the two first through-holes (402) through a rotating pin (13) and is arranged in the second through-slot (401).

5. The manual quick roof according to claim 4, wherein two sides of the first sliding contact hole (302) and the second sliding contact hole (201) are respectively provided with symmetrically arranged mounting grooves (100), a return spring (14) is arranged in each mounting groove (100), two sides of the lower portion of the piston (4) are provided with second through holes (403) matched with the mounting grooves (100), two limiting pins (15) are inserted into the two second through holes (403), and two ends of each limiting pin (15) respectively extend into each mounting groove (100) to be abutted against one end of each return spring (14).

6. The manual quick roof according to claim 5, characterized in that a gasket (6) is arranged at the top of the cylinder barrel (3), a clearance hole is arranged in the center of the gasket (6), the diameter of the clearance hole is matched with the outer diameter of the piston (4), and the other end of the return spring (14) is abutted against the gasket (6).

7. The manual quick roof according to claim 6, wherein the driving assembly comprises a support (7), a connecting rod mechanism, a handle (10) and a sloping block (9), the support (7) is fixedly arranged at the other end of the adjusting base (2), the connecting rod mechanism is arranged on the support (7), the handle (10) is respectively connected with the support (7) and the connecting rod mechanism, the sloping block (9) is connected with the connecting rod mechanism, and the connecting rod mechanism can drive the sloping block (9) to move forwards and backwards;

when the inclined block (9) moves forwards to pass through the first through groove (301) and the second through groove (401) to be abutted against the roller (12), the ejector rod (5) has a first state of upwards moving to tightly press a workpiece;

when the inclined block (9) moves backwards to exit the first through groove (301) and the second through groove (401), the ejector rod (5) is in a second state of resetting under the action of the reset spring (14).

8. The manual quick roof according to claim 7, characterized in that said support (7) is provided with a guiding sleeve (71) at one end and a hinge (72) at the other end; the handle (10) includes a connection portion (1001) and a pulling portion (1002).

9. The manual quick roof according to claim 8, wherein the link mechanism comprises two symmetrically arranged connecting plates (11) and a guide rod (8), one end of each connecting plate (11) is hinged with one end of each guide rod (8) through a pin shaft, the other end of each connecting plate is hinged with one end of each connecting part (1001) through a pin shaft, the inclined block (9) is fixedly connected with the other end of each guide rod (8), the guide rod (8) is sleeved in the guide sleeve (71) in a sliding manner, and the joint of the connecting part (1001) of the handle (10) and the pulling part (1002) is hinged with the hinge part (72).

10. The manual quick roof according to claim 1, wherein two ends of the fixing base (1) are respectively provided with a first straight notch (101) which is vertically arranged, two second straight notches (102) which are transversely arranged are arranged between the two first straight notches (101), the fixing base (1) is installed on a workbench in a matched mode through bolts and the first straight notches (101), the adjusting base (2) is installed on the fixing base (1) in a matched mode through bolts and the second straight notches (102), and the bolts can move in the first straight notches (101) and the second straight notches (102).