CN215828309U

CN215828309U - Crowbar for well lid

Info

Publication number: CN215828309U
Application number: CN202121381533.0U
Authority: CN
Inventors: 杨长鑫
Original assignee: Tengxiang Environmental Technology Co ltd
Current assignee: Tengxiang Environmental Technology Co ltd
Priority date: 2021-06-21
Filing date: 2021-06-21
Publication date: 2022-02-15
Anticipated expiration: 2031-06-21

Abstract

The utility model relates to a well lid opener's technical field specifically is a crowbar for well lid, including crowbar and supporting mechanism, supporting mechanism includes support piece, the support piece upper end rotationally is connected with the sleeve pipe, the crowbar can install with sliding in the sleeve pipe, the lateral wall laminating of crowbar the sheathed tube inside wall, the one end of crowbar is the taper point. This application can slide through bearing structure and set up, makes supporting mechanism can form the support in the position with the different distances of well lid, has increased the adaptability to the environment, has improved the practicality of crowbar.

Description

Crowbar for well lid

Technical Field

The utility model belongs to the technical field of well lid opening tool's technique and specifically relates to a crowbar for well lid is related to.

Background

In urban construction there are underground pipelines such as sewer pipes, underground gas pipelines, water supply pipelines, power pipelines, communication pipelines, defense pipelines, etc. which have an outlet to the ground at every other section, which is usually closed by a manhole cover. The well lid is usually made of cast iron, stone or cement concrete and the like, has large weight, and can be plugged in gaps by silt and the like carried by rainwater frequently, so that the well lid is difficult to open.

In the chinese utility model patent with publication number CN207244670U, a manhole cover opener is disclosed, which is characterized in that the manhole cover opener comprises an opener, a pry bar and a supporting device, wherein the pry bar is rotatably connected with the supporting device, and the supporting device can move along with the pry bar and the opener; the opener is in a rod shape, the front section of the opener is bent to form a hook which can be inserted into a through hole in the well lid, and the rear section of the opener is fixedly connected with the pry bar or is in an integrated structure; and the pry bar is pressed downwards, and can drive the opener to rotate around the supporting device and hook the well lid through the hook.

Above-mentioned utility model, in, through the lever structure of the articulated constitution of pinch bar and strutting arrangement, can be comparatively laborsaving open the well lid. However, the pipeline kind that the well lid was sealed is more, so the environment that the well lid was located is also diversified, and support piece position can not necessarily form effective support to support piece, and the operating personnel of being not convenient for uses when normal operation.

Disclosure of Invention

To the not enough of prior art existence, the purpose of this application is to provide a crowbar for well lid of being convenient for operating personnel to use more.

The above application purpose of the present application is achieved by the following technical solutions:

the utility model provides a crowbar for well lid, includes pinch bar and supporting mechanism, supporting mechanism includes support piece, the support piece upper end rotationally is connected with the sleeve pipe, the pinch bar can install in with sliding in the sleeve pipe, the lateral wall laminating of pinch bar the sheathed tube inside wall, the one end of pinch bar is the taper point.

Through adopting above-mentioned technical scheme, when the well lid was moved to needs sled, supported the most advanced one end of pinch bar in the lateral wall of well lid, supported supporting mechanism in ground, formed a lever mechanism between pinch bar and the supporting mechanism, pushed down the one end that the well lid was kept away from to the pinch bar this moment, can sled the well lid. When the well lid is in complex environment, when the position that supporting mechanism is located is difficult to form effective support, slide supporting mechanism to other positions along the pinch bar, pry once more. Through bearing structure can slide ground setting, make supporting mechanism can form the support in the position with the different distances of well lid, increased the adaptability to the environment, improved the practicality of crowbar.

Optionally, a through hole is formed in one side, away from the support member, of the sleeve, a nut coaxial with the through hole is fixedly connected to the outer side wall of the sleeve, and the nut is in threaded connection with a positioning screw.

Through adopting above-mentioned technical scheme, after supporting mechanism slided for the pinch bar, through screwing up set screw, make set screw compress tightly the pinch bar to fixed pinch bar and sheathed tube relative position reduce the pinch bar and prize the possibility that moves along the sleeve pipe when moving the well lid.

Optionally, the conical tip of the pry bar is quadrangular pyramid-shaped.

Through adopting above-mentioned technical scheme, compare in the cambered surface of circular cone, the surface of pyramid is the plane, wedges more easily in the gap between well lid and the well limit to pry the well lid.

Optionally, one end of the prying bar, which is far away from the tip, is hinged with a draw hook.

Through adopting above-mentioned technical scheme, when the well lid is the well lid that has the hole, stretch into the hole with the drag hook, catch on the well lid, support supporting mechanism in ground again, through pressing the one end that moves the pinch bar pointed end, collude the well lid.

Optionally, pry bar one end department detachably is connected with the connecting piece, connecting piece detachably is connected with the expansion pole, the expansion pole with the pry bar is parallel.

By adopting the technical scheme, when the length of the pry bar is not enough to form the labor-saving lever, the length of the pry bar part is expanded through the expansion rod, and the distance from one end of the expansion rod far away from the pry bar to the well lid is larger than the distance from the support mechanism to the well lid, so that the purpose of saving labor is achieved.

Optionally, the connecting piece includes two connecting pipes, two connecting pipes are fixedly connected, the axes of the two connecting pipes are parallel, and the pry bar and the expansion bar are respectively inserted into one of the connecting pipes.

Through adopting above-mentioned technical scheme, use with the pinch bar with extend the pole and wear to insert in two parallel arrangement's the connecting tube, accomplish the extension to the pinch bar portion, the connected mode is comparatively simple, operate comparatively succinctly, is favorable to improving work efficiency.

Optionally, a through hole is formed in the side face of the connecting pipe, a nut coaxial with the through hole is fixedly connected to the outer side wall of the connecting pipe, and a limiting screw is connected to the nut in a threaded manner.

Through adopting above-mentioned technical scheme, when connecting pipe joint support pole and expansion pole, through screwing up stop screw, make stop screw compress tightly bracing piece and expansion pole to fixed relative position between them, bracing piece and expansion pole slide each other when reducing to prize or adjusting to prize the position, so that the operation.

Optionally, the support member includes a support rod, the sleeve is rotatably connected to one end of the support rod, the support rod is far away from one end of the sleeve fixedly connected with a backing plate, and the surface area of one end of the backing plate far away from the support rod is larger than the area of the end face of the support rod.

Through adopting above-mentioned technical scheme, the area of contact of increase support piece and ground when being in soft texture face reduces the pressure of supporting mechanism to ground through increase area of contact, reduces to prize the subsiding of well lid in-process supporting mechanism on ground.

Optionally, the lower end of the backing plate is fixedly connected with a plurality of conical tips.

Through adopting above-mentioned technical scheme, when supporting mechanism supports in ground, the awl point portion is connected in ground, and the resistance of the frictional force direction between increase supporting mechanism and the ground reduces the skid of supporting mechanism on ground when the pinch bar is hard, provides the support for the pinch bar better.

In summary, the present application includes at least one of the following beneficial technical effects:

1. through the slidable arrangement of the prying bar and the supporting mechanism, the supporting mechanism can complete supporting at positions with different distances from the well lid, the adaptability of the prying bar to the environment is improved, the use experience of operators is further improved, and the device is more convenient for the operators to use;

2. by means of the arrangement of the expansion rod, the length of a power arm of a lever formed by the crowbar and the supporting mechanism is increased, so that the crowbar is more labor-saving, the labor intensity of operators is reduced, and the device is more convenient for the operators to use;

3. through the arrangement of the draw hook, a more concise prying mode can be realized when the manhole cover with the hole is faced.

Drawings

Fig. 1 is a schematic overall structure diagram of an embodiment of a crowbar for a well lid according to the present application.

Reference numerals: 1. a pry bar; 11. pulling a hook; 111. a connecting portion; 112. a hook portion;

2. a support mechanism; 21. a sleeve; 211. a set screw; 212. a connecting rod; 22. a support member; 221. a U-shaped frame; 222. a support bar; 223. a base plate; 224. a conical tip;

3. expanding the rod;

4. a connecting member; 41. a connecting pipe; 42. and a limiting screw.

Detailed Description

The present application is described in further detail below with reference to fig. 1.

Referring to fig. 1, for the crowbar for well lid that this application discloses, including crowbar 1 and supporting mechanism 2, supporting mechanism 2 includes support piece 22, and support piece 22 upper end rotationally is connected with sleeve pipe 21, and crowbar 1 can install in sleeve pipe 21 with sliding, and the inside wall of the lateral wall laminating sleeve pipe 21 of crowbar 1, the one end of crowbar 1 is the taper point. When the well lid is pried to needs, support the most advanced one end of pinch bar 1 in the lateral wall of well lid, support supporting mechanism 2 in ground, form a lever mechanism between pinch bar 1 and the supporting mechanism 2, press pinch bar 1 this moment and keep away from the one end of well lid, can prie the well lid. When the well lid is in complex environment, when the position that supporting mechanism 2 was located was difficult to form effective support, along 1 supporting mechanism 2 that slides of pinch bar to other positions, pry once more. Through bearing structure slidable ground setting, make supporting mechanism 2 can form the support in the position with the different distances of well lid, increased the adaptability to the environment, improved the practicality of crowbar.

The crow bar is cylindrical rod-shaped, and the one end of crow bar is four pyramid shape, and four sides of four pyramid all are the inclined plane, compare in the cambered surface of circular cone, in the gap between well lid and the well limit is wedged more easily to the plane to the prying of well lid. The other end of the prying bar 1 is provided with a through hole, and a drag hook 11 is hinged in the through hole. The drag hook 11 comprises a connecting part 111 which is bent by a steel bar and is in an isosceles triangle shape, the bottom edge of the connecting part 111 penetrates through a through hole of the pry bar 1 and is hinged with the pry bar 1, a hook part 112 is welded at the opposite vertex of the bottom edge of the connecting part 111, and the hook part 112 is bent by the steel bar and is in an L shape. When the well lid that needs to be pried has the hole that hook portion 112 can stretch into, through stretching into hook portion 112 and catching on the well lid, rethread supporting mechanism 2 supports, presses the pointed end portion of crow bar 1, can pri the well lid comparatively easily.

In order to fix the position of the sleeve 21 on the pry bar 1, a through hole is formed in one side of the sleeve 21 away from the support 22, a nut coaxial with the through hole is fixedly connected to the outer side wall of the sleeve 21, and a positioning screw 211 is connected to the nut in a threaded manner. When the position adjustment of supporting mechanism 2 is in good time, fix the position of sleeve pipe 21 on pinch bar 1 through screwing up set screw 211, sleeve pipe 21 and pinch bar 1 relative slip when reducing the prying well lid.

The supporting member 22 includes a U-shaped frame 221, the U-shaped frame 221 is a U-shaped member formed by bending a strip steel plate, through holes are formed in two opposite surfaces of the U-shaped frame 221, and the through holes penetrate through the U-shaped frame 221. Two cylindrical connecting rods 212 are welded on the side wall of the sleeve 21, the two connecting rods 212 are centrosymmetric about the axis of the sleeve 21, the sleeve 21 is installed between two opposite surfaces of the U-shaped frame 221, and the two connecting rods 212 respectively penetrate through the through holes on the opposite U-shaped frames 221 and are rotatably connected with the through holes. The supporting rod 222 is welded on one side, away from the sleeve 21, of the U-shaped frame 221, the supporting rod 222 is a cylindrical rod, a backing plate 223 is welded on one end, away from the U-shaped frame 221, of the supporting rod 222, and the backing plate 223 is a circular disc with an end face area larger than that of the supporting rod 222. The contact area of the supporting mechanism 2 and the ground is increased through the disc, and the settlement of the supporting mechanism 2 pressed to the ground when the supporting mechanism is in a soft texture surface is reduced. The one end welding that the bracing piece 222 was kept away from to backing plate 223 has a plurality of coniform awl points 224, and awl point 224 annular array and backing plate 223 bottom surface, through the most advanced and ground contact of awl point 224, increase the resistance of the frictional force direction of supporting mechanism 2 and ground, when reducing the sled well lid, supporting mechanism 2 was at the slip on ground.

In order to pry the well lid, the well lid is more labor-saving, the end, which is far away from the well lid, of the pry bar 1 is detachably connected with the expanding rod 3, and the expanding rod 3 is a cylindrical rod. The expansion rod 3 is detachably connected with a connecting piece 4. The connecting member 4 includes two connecting pipes 41, the connecting pipes 41 are circular pipes, the two connecting pipes 41 are welded together by joining the sides, and the axes of the two connecting pipes 41 are parallel to each other. The pry bar 1 and the expansion bar 3 are respectively inserted into one connecting pipe 41, and the side surfaces of the pry bar 1 and the expansion bar 3 are attached to the inner side wall of the connecting pipe 41. In order to fix the pry bar 1 and the expansion bar 3 conveniently, a through hole is formed in one side of the connecting pipe 41, a nut coaxial with the through hole is fixedly connected to the outer side wall of the connecting pipe 41, and a limiting screw 42 is connected to the nut in a threaded manner. When the length adjustment is proper, the relative positions of the pry bar 1 and the expansion rod 3 are fixed by screwing the limiting screw 42, and the relative sliding of the pry bar 1 and the expansion rod 3 when the well lid is pried is reduced.

The implementation principle of the embodiment is as follows: when the well lid is pried to needs, support the most advanced one end of pinch bar 1 in the lateral wall of well lid, support supporting mechanism 2 in ground, adjust to the position that is fit for supporting, screw up set screw 211, form a lever mechanism between pinch bar 1 and the supporting mechanism 2, push down the one end that the well lid was kept away from to pinch bar 1 this moment, can pry the well lid. When the well lid that needs to be pried has the hole that hook portion 112 can stretch into, through stretching into hook portion 112 and catching on the well lid, rethread supporting mechanism 2 supports, presses the pointed end portion of crow bar 1, can pri the well lid comparatively easily. When the well lid card is tighter or the supporting mechanism 2 is closer to the end of the pry bar 1 away from the well lid, the connecting piece 4 can be connected with the expanding bar 3 to expand the length of the pry bar part so as to exert force.

The embodiments of the present invention are preferred embodiments of the present application, and the scope of protection of the present application is not limited by the embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides a crowbar for well lid, includes crowbar (1) and supporting mechanism (2), its characterized in that: supporting mechanism (2) include support piece (22), support piece (22) upper end rotationally is connected with sleeve pipe (21), pry bar (1) can install in with sliding in sleeve pipe (21), the lateral wall laminating of pry bar (1) the inside wall of sleeve pipe (21), the one end of pry bar (1) is the taper point.

2. The crowbar for the well lid according to claim 1, wherein: a through hole is formed in one side, far away from the supporting piece (22), of the sleeve (21), a nut which is coaxial with the through hole is fixedly connected to the outer side wall of the sleeve (21), and a positioning screw (211) is connected to the nut in a threaded mode.

3. The crowbar for the well lid according to claim 1, wherein: the conical tip of the prying bar (1) is in a quadrangular pyramid shape.

4. The crowbar for the well lid according to claim 1, wherein: one end of the prying bar (1) far away from the tip is hinged with a draw hook (11).

5. The crowbar for the well lid according to claim 1, wherein: pry bar (1) one end department detachably is connected with connecting piece (4), connecting piece (4) detachably is connected with expansion pole (3), expansion pole (3) with pry bar (1) are parallel.

6. The crowbar for the well lid according to claim 5, wherein: the connecting piece (4) comprises two connecting pipes (41), the two connecting pipes (41) are fixedly connected, the axes of the two connecting pipes (41) are parallel, and the pry bar (1) and the expansion bar (3) are respectively inserted into one of the connecting pipes (41).

7. The crowbar for the well lid according to claim 6, wherein: the connecting pipe is characterized in that a through hole is formed in the side face of the connecting pipe (41), a nut coaxial with the through hole is fixedly connected to the outer side wall of the connecting pipe (41), and a limiting screw (42) is connected to the nut in a threaded mode.

8. The crowbar for the well lid according to claim 1, wherein: the support piece (22) comprises a support rod (222), the sleeve (21) is rotatably connected to one end of the support rod (222), one end, far away from the sleeve (21), of the support rod (222) is fixedly connected with a base plate (223), and the surface area of one end, far away from the support rod (222), of the base plate (223) is larger than that of the end face of the support rod (222).

9. The crowbar for the well lid according to claim 8, wherein: the lower end of the backing plate (223) is fixedly connected with a plurality of conical tips (224).