CN212050446U

CN212050446U - Crowbar with extending structure

Info

Publication number: CN212050446U
Application number: CN202020670395.7U
Authority: CN
Inventors: 张万钧
Original assignee: Shandong Pangu Industrial Co ltd
Current assignee: Shandong Pangu Industrial Co ltd
Priority date: 2020-04-28
Filing date: 2020-04-28
Publication date: 2020-12-01
Anticipated expiration: 2030-04-28

Abstract

The utility model discloses a crowbar with extending structure relates to mechanical tool technical field, including crowbar grab handle and base, the equal first connecting piece of fixedly connected with in upper and lower both sides of crowbar grab handle, the inside fixedly connected with small-size pneumatic cylinder of first connecting piece, the other end swing joint of small-size pneumatic cylinder has the second connecting piece, the equal swing joint in both ends of bearing has the second bracing piece, the other end swing joint of second bracing piece has the second mounting, the outer wall both ends swing joint of bearing has first bracing piece, the bottom of baffle is equipped with the pulley. This crowbar with extending structure, convenient to use, easy operation sets up can automatically regulated crowbar pole length through the cooperation between crowbar grab handle, first connecting piece, small-size pneumatic cylinder, crowbar pole, second connecting piece, last supporting seat and the third connecting piece to reach the effect of labour saving and time saving, solved the problem that current crowbar does not have the strong point, the convenient removal.

Description

Crowbar with extending structure

Technical Field

The utility model relates to a mechanical tool technical field specifically is a crowbar with extend structure.

Background

The crowbar is an iron or steel stick which is used for prying, one end of the crowbar is pointed, the two ends of the crowbar are pointed, or one end of the crowbar is in a blade shape, the crowbar is a conventional tool for hoisting, is mainly used for prying an object with certain weight, and then a rolling bar is inserted into the bottom of the crowbar to pry the object and pry the object at the same time.

An adjustable crowbar is disclosed in the Chinese utility model patent application No. CN201520075342.X, and comprises an adjusting screw rod which is arranged on a screw rod fixing seat; comprises a fixed pin which is arranged inside a crowbar body; comprises movable bodies arranged at two ends of a fixed pin; the adjustable clamp comprises an adjusting hand wheel which is arranged at one end of an adjusting screw rod, and is small in size and not convenient to adjust. This adjustable crowbar does not have the supporting seat, needs look for by oneself, and waste time can not adjust the effect of crowbar length in order to reach labour saving and time saving.

Therefore, there is a need for a pry bar having an extended structure to solve the above problems.

Disclosure of Invention

Technical problem to be solved

An object of the utility model is to provide a crowbar with extending structure to the adjusting screw length of being not convenient for who provides in solving above-mentioned background art does not have the supporting seat, can not adjust crowbar length labour saving and time saving's problem.

(II) technical scheme

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: a crowbar with an extension structure comprises a crowbar grab handle and a base, wherein one end of the crowbar grab handle is provided with a crowbar rod, the upper side and the lower side of the crowbar grab handle are both fixedly connected with a first connecting piece, the inside of the first connecting piece is fixedly connected with a small hydraulic cylinder, one end of the small hydraulic cylinder, which is far away from the first connecting piece, is movably connected with a second connecting piece, the bottom end of the second connecting piece is fixedly connected with the crowbar rod, one end of the crowbar rod is fixedly connected with a third connecting piece, the other end of the crowbar rod is provided with a crowbar head, one end of the third connecting piece is fixedly connected with a sliding block, the inside of the crowbar grab handle is provided with a first sliding groove, a threaded rod is arranged above the base, one end of the threaded rod is fixedly connected with a crank, a lower supporting seat is arranged above the, the bearing comprises a bearing and is characterized in that a second supporting rod and a first supporting rod are movably connected to the two ends of the bearing, a second fixing piece is movably connected to one end of the second supporting rod, a third fixing piece is movably connected to one end of the first supporting rod, the top of the third fixing piece is movably connected with a lower supporting seat, an upper supporting seat is fixedly connected to the top of the lower supporting seat, a second sliding groove is formed in the base, a fixing column is fixedly connected to the top of the second sliding groove, a fixing cylinder is arranged in the second sliding groove, a spring is arranged on the outer wall of the fixing cylinder, a baffle is fixedly connected to the bottom of the fixing cylinder, a baffle ring is arranged at the bottom of the baffle, and a pulley is arranged at the bottom of.

Preferably, the second fixing member is fixedly connected with the base.

Preferably, the inside of going up the supporting seat is equipped with first mounting, first mounting runs through supporting seat and pinch bar pole, first mounting and last supporting seat fixed connection, first mounting and pinch bar pole swing joint.

Preferably, there are two bearings, and both bearings are in threaded connection with the threaded rod.

Preferably, the second supporting rod is provided with a plurality of supporting rods, and the plurality of supporting rods are movably connected with the base.

Preferably, the sliding block is connected with the inner wall of the first sliding groove in a sliding mode.

Preferably, the fixing column corresponds to and is connected with the fixed cylinder in a sliding mode.

Preferably, the other end of the crowbar rod is fixedly connected with the crowbar head through a pin shaft.

Preferably, the outer walls of the crowbar grab handle and the crank are provided with anti-skid protrusions.

(III) advantageous effects

Compared with the prior art, the utility model provides a crowbar with extend structure possesses following beneficial effect:

1. the crowbar with the extension structure is convenient to use and simple to operate, and the length of the crowbar rod can be automatically adjusted through the matching arrangement among the crowbar grab handle, the first connecting piece, the small hydraulic cylinder, the crowbar rod, the second connecting piece, the upper supporting seat and the third connecting piece, so that the effects of saving time and labor are achieved;

2. this crowbar with extending structure through the cooperation setting between first mounting, under bracing seat, first bracing piece, base, second mounting, threaded rod, last bracing piece, bearing and the second bracing piece, has solved the problem that current crowbar does not have the strong point, through the cooperation between base and the pulley, conveniently removes.

Drawings

Fig. 1 is a schematic front view of the structure of the present invention.

Fig. 2 is a schematic sectional view of the partial structure of the handle of the pry bar of the present invention.

Fig. 3 is a schematic perspective view of the base structure of the present invention.

Fig. 4 is a schematic sectional view of a pulley part structure according to the present invention.

In the figure: 1. a crowbar grab handle; 2. a first connecting member; 3. a small hydraulic cylinder; 4. a crowbar lever; 5. a second connecting member; 6. a first fixing member; 7. a pry bar head; 8. a lower support seat; 9. a first support bar; 10. a base; 11. a second fixing member; 12. a threaded rod; 13. an upper support base; 14. a first chute; 15. a third connecting member; 16. a pin shaft; 17. a crank; 18. a bearing; 19. a pulley; 20. a fixed cylinder; 21. a spring; 22. fixing a column; 23. a second chute; 24. a baffle ring; 25. a second support bar; 26. a third fixing member; 27. a baffle plate; 28. a slide block.

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, a crowbar with an extending structure includes a crowbar handle 1 and a base 10, one end of the crowbar handle 1 is provided with a crowbar rod 4, both upper and lower sides of the crowbar handle 1 are fixedly connected with a first connecting piece 2, the inside of the first connecting piece 2 is fixedly connected with a small hydraulic cylinder 3, one end of the small hydraulic cylinder 3 away from the first connecting piece 2 is movably connected with a second connecting piece 5, the bottom end of the second connecting piece 5 is fixedly connected with the crowbar rod 4, one end of the crowbar rod 4 is fixedly connected with a third connecting piece 15, the other end of the crowbar rod 4 is provided with a crowbar head 7, the other end of the crowbar rod 4 is fixedly connected with the crowbar head 7 through a pin shaft 16, one end of the third connecting piece 15 is fixedly connected with a sliding block 28, the inside of the crowbar handle 1 is provided with a first sliding groove 14, the sliding block 28 is slidably connected with the inner wall, the operation is simple, the length of the crowbar rod 4 can be automatically adjusted through the matching arrangement among the crowbar grab handle 1, the first connecting piece 2, the small hydraulic cylinder 3, the crowbar rod 4, the second connecting piece 5 and the third connecting piece 15 so as to achieve the effects of time saving and labor saving, the threaded rod 12 is arranged above the base 10, one end of the threaded rod 12 is fixedly connected with the crank 17, the outer walls of the crowbar grab handle 1 and the crank 17 are respectively provided with an anti-skid protrusion, the lower supporting base 8 is arranged above the threaded rod 12, the middle part of the threaded rod 12 is symmetrically provided with two bearings 18, the two bearings 18 are respectively in threaded connection with the threaded rod 12, the two ends of each bearing 18 are respectively and movably connected with the second supporting rod 25 and the first supporting rod 9, the second supporting rods 25 are provided with a plurality of number, the plurality of second supporting rods 25 are respectively and movably connected with the base 10, one end of each second supporting rod 25 is movably connected with the, one end swing joint of first bracing piece 9 has third mounting 26, the top and the lower carriage 8 swing joint of third mounting 26, support seat 13 on the top fixedly connected with of lower carriage 8, the inside of going up support seat 13 is equipped with first mounting 6, first mounting 6 runs through support seat 13 and pinch bar 4, first mounting 6 and last support seat 13 fixed connection, first mounting 6 and pinch bar 4 swing joint, second spout 23 has been seted up to the inside of base 10, the inside top fixedly connected with fixed column 22 of second spout 23, the inside of second spout 23 is equipped with fixed cylinder 20, fixed column 22 corresponds and sliding connection with fixed cylinder 20, the outer wall of fixed cylinder 20 is equipped with spring 21, the bottom fixedly connected with baffle 27 of fixed cylinder 20, the bottom of baffle 27 is equipped with fender ring 24, the bottom of baffle 27 is equipped with pulley 19, through first mounting 6, Cooperation setting between lower carriage 8, first bracing piece 9, base 10, second mounting 11, threaded rod 12, last bracing piece 13, bearing 18, second bracing piece 25 and the third mounting 26 has solved the problem that current pinch bar does not have the strong point, through the cooperation between base 10 and the pulley 19, the convenient removal.

The working principle is as follows: when in use, according to the use requirement, the first connecting piece 2, the small hydraulic cylinder 3 and the second connecting piece 5 drive the pry bar 4 to extend the length of the third connecting piece 15 outside, the slide block 28 is driven to slide in the first sliding groove 14, meanwhile, the slide block 28 also plays a role in fixing, the longest distance and the shortest distance are provided, the length of the pry bar 4 is adjusted, different stress effects are achieved, the pry bar head 7 can be replaced according to different conditions, the application occasions of different prys are achieved, the first fixing piece 6, the upper support seat 13, the threaded rod 12, the first support rod 9, the second support rod 25 and the base 10 are matched to play a role of a support point, a support object can be found without wasting time, meanwhile, the height of the support point can be adjusted through the matching of the threaded rod 12 and the bearing 18, the bottom end of the base 10 is provided with the pulley 19, the top of the pulley 19 is provided with the spring 21, when the force is applied, the spring 21 is compressed to enable the pulley 19 to be retracted into the base 10, so that the base 10 is directly contacted with the ground to play a fixing role, when the force is not applied and the pry bar needs to be moved, the pry bar can be directly pushed to move integrally, and the use is convenient and fast.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

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

1. The utility model provides a crowbar with extending structure, includes crowbar grab handle (1) and base (10), its characterized in that: one end of the crowbar grab handle (1) is provided with a crowbar rod (4), the upper side and the lower side of the crowbar grab handle (1) are both fixedly connected with a first connecting piece (2), the inside of the first connecting piece (2) is fixedly connected with a small hydraulic cylinder (3), one end of the small hydraulic cylinder (3) far away from the first connecting piece (2) is movably connected with a second connecting piece (5), the bottom end of the second connecting piece (5) is fixedly connected with the crowbar rod (4), one end of the crowbar rod (4) is fixedly connected with a third connecting piece (15), the other end of the crowbar rod (4) is provided with a crowbar head (7), one end of the third connecting piece (15) is fixedly connected with a sliding block (28), the inside of the crowbar grab handle (1) is provided with a first sliding groove (14), a threaded rod (12) is arranged above the base (10), one end of the threaded rod (12) is fixedly connected with a crank (17, a lower support base (8) is arranged above the threaded rod (12), bearings (18) are symmetrically arranged in the middle of the threaded rod (12), a second support rod (25) and a first support rod (9) are movably connected to two ends of each bearing (18), a second fixing piece (11) is movably connected to one end of each second support rod (25), a third fixing piece (26) is movably connected to one end of each first support rod (9), the top of each third fixing piece (26) is movably connected with the lower support base (8), an upper support base (13) is fixedly connected to the top end of each lower support base (8), a second sliding groove (23) is formed in the base (10), a fixing column (22) is fixedly connected to the top end of the inner portion of each second sliding groove (23), a fixing barrel (20) is arranged in the inner portion of each second sliding groove (23), a spring (21) is arranged on the outer wall of each fixing barrel (20), the bottom fixedly connected with baffle (27) of fixed section of thick bamboo (20), the bottom of baffle (27) is equipped with fender ring (24), the bottom of baffle (27) is equipped with pulley (19).

2. A pry bar having an extension structure according to claim 1, wherein: the second fixing piece (11) is fixedly connected with the base (10).

3. A pry bar having an extension structure according to claim 1, wherein: go up the inside of supporting seat (13) and be equipped with first mounting (6), supporting seat (13) and pinch bar stick pole (4) are run through in first mounting (6), first mounting (6) and last supporting seat (13) fixed connection, first mounting (6) and pinch bar stick pole (4) swing joint.

4. A pry bar having an extension structure according to claim 1, wherein: the number of the bearings (18) is two, and the two bearings (18) are in threaded connection with the threaded rod (12).

5. A pry bar having an extension structure according to claim 1, wherein: the second supporting rods (25) are multiple, and the second supporting rods (25) are movably connected with the base (10).

6. A pry bar having an extension structure according to claim 1, wherein: the sliding block (28) is connected with the inner wall of the first sliding chute (14) in a sliding mode.

7. A pry bar having an extension structure according to claim 1, wherein: the fixed column (22) corresponds to the fixed cylinder (20) and is connected with the fixed cylinder in a sliding mode.

8. A pry bar having an extension structure according to claim 1, wherein: the other end of the crowbar rod (4) is fixedly connected with the crowbar head (7) through a pin shaft (16).

9. A pry bar having an extension structure according to claim 1, wherein: the outer walls of the crowbar grab handle (1) and the crank (17) are both provided with anti-skid protrusions.