CN210115971U - Safety use protection device of manual puncher - Google Patents

Abstract

The utility model discloses a safety in utilization protector of manual hole puncher strikes the hole puncher for overcoming current manual work on the elastic material of offset plate class with the hammer and punches a hole, because of its elasticity is big easily make the skew of hand hammer slide injure by a crashing object the shortcoming of holding the hole puncher hand and provide. The rod body of the multi-specification manual hole puncher with similar size is fixedly provided with an auxiliary sleeve with uniform outer diameter, the outer circle of the auxiliary sleeve is slidably sleeved with a sheath the top of which can be knocked by a hand hammer, the outer side wall of the sheath is provided with a handle, the side vertical wall of the sheath is provided with a transverse through hole with an inner end in an annular concave spherical surface, a steel ball arranged in the hole is elastically pressed on the concave spherical surface, and the part of the steel ball exposed out of the concave spherical surface can be elastically butted with a positioning groove on the outer circle of the auxiliary sleeve. During the use, the top that the hand (hold) and hammer handle hit the sheath is held respectively to both hands and punches, because of the staff keeps away from the hole puncher body of rod, even if the hand hammer beat the skew and slide also can not injure by pounding, a sheath can be fit for the hole puncher needs of many specifications, safe in utilization, high-efficient.

Description

Safety use protection device of manual puncher

Technical Field

The utility model belongs to the attached facility, specifically speaking are when the manual hole puncher of field usage punches, prevent the device of incident.

Background

In the maintenance work, various complicated problems of different sizes can be solved, the parts are damaged in various ways, some parts can be directly replaced on site, some parts can be processed by equipment in a repair workshop, and some parts can be rapidly solved on site. For parts with low universality and low precision requirements, the parts can be manufactured and replaced on site according to actual conditions, for example, when elastic rubber plate parts mounted at multiple positions on equipment are damaged in maintenance, mounting holes need to be drilled on the parts in advance before replacement, the parts cannot be manufactured in advance and taken to the site for replacement and installation due to the fact that the sizes and the mounting sizes of the mounting holes of the parts are different, the mounting holes need to be drilled according to the site size, if the number of holes drilled on each rubber plate is small, the punching positions need to be found on site and then taken back to a maintenance workshop for mechanical punching for installation, the round trip path may take much time, and the problem that the manual hole puncher directly solves the problem on site with finished products is more rapid and convenient.

Most of manual hole punches sold in the market are set in a set of various specifications and sizes, and the manual hole punches are selected to be used on a maintenance site according to the needs of hole punching diameters. At present, in a maintenance site, holes are punched in rubber plate elastic materials, a punching blade at the lower end of a selected manual hole puncher is aligned to a part needing to be punched, a rod body of the hole puncher is held by one hand, and a hammer handle is held by the other hand to impact, beat and punch the top end of the hole puncher.

In actual work, because the elasticity of the rubber plate material is large, a hammer for knocking the puncher is easy to bounce and obliquely slides to a hand on one side of the puncher, especially for a new person with insufficient working experience, the hammer strikes the hand, a bluish purple edema or even bleeding seriously occurs on the tiger mouth of the struck hand, the tool cannot be held within a few days, and normal work is affected.

Disclosure of Invention

The utility model aims to solve the technical problem that, overcome and to have the manual hand hammer to strike the hole puncher on offset plate class material to punch a hole now, have elasticity and easily make the hand hammer incline slide injure by a crashing object and hold the shortcoming of hole puncher hand because of the offset plate, provide a make things convenient for the safe handling protector of manual hole puncher that the field of maintenance used.

In order to solve the above problems existing in the prior art, the utility model discloses an adopt following technical scheme to realize: the rod body of the multi-specification manual hole puncher with similar size is fixedly provided with an auxiliary sleeve with uniform outer diameter, the outer circle of the auxiliary sleeve is slidably sleeved with a sheath the top of which can be knocked by a hand hammer, the outer side wall of the sheath is provided with a handle, and when the auxiliary sleeve is pushed to the inner top wall of the sheath, the positioning grooves on the outer side vertical wall of the auxiliary sleeve can enable steel balls arranged on the side vertical wall of the sheath to be in elastic displacement relative connection.

The utility model discloses still have following technical characteristic:

the elastic butt joint of the sheath and the auxiliary sleeve is realized by arranging a transverse through hole with an inner end in an annular concave spherical surface on the side vertical wall of the sheath, arranging a steel ball on the corresponding annular concave spherical surface, pushing and pressing the steel ball to be tightly attached to the concave spherical surface by a compression spring in the transverse through hole, and correspondingly connecting the annular part of the steel ball exposed out of the concave spherical surface with a positioning groove on the auxiliary sleeve pushed to the inner top wall of the sheath;

the compression spring pushes and presses the steel ball to be tightly attached to the concave spherical surface, is positioned at the opposite end of the concave spherical surface on the compression spring and is seated on the plug for plugging the outer end head of the transverse through hole;

the plug for plugging the transverse through hole is arranged in such a way that an internal thread is arranged at one end, away from the concave spherical surface, of the transverse through hole, the plug is screwed on the internal thread, and a slot for rotating the plug by a screwdriver is arranged at the outer end of the plug;

a spring guide rod inserted into a compression spring hole is arranged on the plug on the central line of one end contacted with the compression spring;

the periphery of the top end of the auxiliary sleeve is provided with an arc-shaped chamfer.

The utility model has the advantages and the positive effect that, owing to fixed mounting unified external diameter's the cover that attaches on the close a set of hole puncher body of rod of diameter size, the cover has the sheath that its lateral wall upper band hand (hold), the available hand hammer in top strikeed on the cover external diameter of attaching of taking positioning groove, is equipped with the steel ball with positioning groove elasticity butt joint on the side wall of sheath, when punching on the elastic rubber plate, according to the hole diameter selection be fixed with the hole puncher that attaches the cover, will attach the cover and push into in the sheath, can make both links together with the steel ball of positioning groove elasticity butt joint, both hands hold respectively the top impact that hand (hold) and hammer handle strikeed the sheath is punched, and the body of rod of hole puncher is directly held to the hand not needed, even if the hand hammer is beaten the skew and is slided, also can not pound on hand to.

When the hole puncher of changing different specifications punches, draw outward and install the hole puncher of attaching the cover in the sheath, the steel ball overcomes elastic positioning pressure and breaks away from with the sheath, and the area that will be changed attaches the cover hole puncher and pushes away the sheath with same mode and make both docks continue to punch, and the needs of punching of adaptable multiple similar size aperture of same sheath are changed convenient operation high-efficient, have guaranteed staff's operation safety.

Drawings

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

FIG. 2 is an enlarged schematic view of part A of FIG. 1;

FIG. 3 is an enlarged view of the structure of the attachment sleeve of FIG. 1;

fig. 4 is an enlarged structural view of the plug of fig. 1.

Detailed Description

The present invention will be described in detail with reference to the accompanying drawings and examples.

In fig. 1, a manual hole puncher 6 for maintenance is mostly arranged by combining a plurality of specifications into a set. The auxiliary sleeve 2 (see figure 3) with uniform external diameter is fixedly arranged on the rod body 6.1 of the manual hole puncher 6 with similar size, the inner hole 2.2 of the auxiliary sleeve 2 is fixedly matched with the rod body 6.1, and the auxiliary sleeve and the rod body can be tightly inserted and fixed or fixed by a jackscrew because the radial direction of the hole puncher 6 is not stressed during punching. The outer circular surface of the auxiliary sleeve 2 is slidably sleeved with a sheath 1 the top of which can be knocked by a hand hammer, one side of the sheath 1 is provided with a transverse handle 1.1, the side vertical wall of the sheath is provided with a transverse through hole 2.3 the inner end of which is an annular concave spherical surface 2.1, a steel ball 5 is seated on the concave spherical surface 2.31, the transverse through hole 2.3 is positioned at the right side of the steel ball 5, and a compression spring 4 is transversely arranged. An inner thread 2.32 is arranged at the outer opening of the right end of the transverse through hole 2.3, and an outer thread 3.1 on the plug 3 (see figure 4) is screwed on the inner thread 2.32 to plug the right end of the transverse through hole 2.3 and stop on the right end of the compression spring 4 (see figure 2).

When the top end of the auxiliary sleeve 2 fixed on the puncher 6 is pushed to the top end of the inner hole of the contact sheath 1, the puncher 6 is rotated to face the positioning groove 2.1, the steel ball 5 is tightly attached to the annular concave spherical surface 2.1 under the action of the compression spring 4, the part of the circular left side of the concave spherical surface 2.31 is exposed to enter the positioning groove 2.1, the auxiliary sleeve 2 fixed on the puncher 6 is connected with the sheath 1 in a positioning manner, and the handle 1.1 is held by a hand to centralize and punch the puncher 6.

In order to prevent the compression spring 4 from being inclined when being stretched, a spring guide rod 3.3 is arranged on the center line of the left end of the plug 3, the right end of the compression spring 4 is sleeved on the guide rod 3.3 and is seated on the left end of the plug 3, a slot 3.2 for screwing the plug 3 by a screwdriver is arranged on the outer end face of the right end of the plug 3, and the positioning pressure for pushing the steel ball 5 by the compression spring 4 can be adjusted by adjusting the position of the plug 3.

When different sizes are required to be punched on the rubber plate elastic material, the puncher 6 fixed with the same outer diameter auxiliary sleeve 2 is pushed into the hole of the sheath 1 with the same hole diameter, so that the sleeved parts can be quickly installed, positioned and connected with each other, the handle 1.1 on the sheath 1 is held by hand, the rod body of the puncher 6 is far away, and no matter how the hammer deviates and slides, the human body cannot be injured.

When the thickness difference of the rod bodies of the punching devices 6 is large, the punching devices 6 with similar sizes are grouped, the rod bodies of the punching devices 6 in the group are provided with the auxiliary sleeves 2 with the same outer diameter, and the protective sleeves 1 are respectively arranged according to the outer diameters of the auxiliary sleeves 2.

In order to push the puncher 6 into the inner hole of the sheath 1 quickly, smoothly and without blocking, the periphery of the top end of the auxiliary sleeve 2 is provided with an arc-shaped chamfer 2.4, and a lower opening of the inner hole of the sheath 1 can also be provided with a chamfer.

The device is installed on a manual puncher, is safe to punch, can well protect workers from being injured, and is convenient to operate and high in working efficiency when the same sheath 1 is used for installing the puncher 6 with different sizes.

The above embodiments are only illustrative illustrations of the present invention, not the only technical solutions, and all modifications or equivalent replacements performed by the technical solutions of the present invention as the gist are within the protection scope of the present invention.

Claims (6)

1. The utility model provides a safety in utilization protector of manual hole puncher which characterized in that: the rod body of the multi-specification manual hole puncher with similar size is fixedly provided with an auxiliary sleeve with uniform outer diameter, the outer circle of the auxiliary sleeve is slidably sleeved with a sheath the top of which can be knocked by a hand hammer, the outer side wall of the sheath is provided with a handle, and when the auxiliary sleeve is pushed to the inner top wall of the sheath, the positioning grooves on the outer side vertical wall of the auxiliary sleeve can enable steel balls arranged on the side vertical wall of the sheath to be in elastic displacement relative connection.

2. The manual punch safety shield of claim 1, wherein: the elastic butt joint of the sheath and the auxiliary sleeve is characterized in that a lateral vertical wall of the sheath is provided with a transverse through hole of which the inner end is an annular concave spherical surface, a steel ball is arranged on the corresponding annular concave spherical surface, a compression spring in the transverse through hole pushes and presses the steel ball to be tightly attached to the concave spherical surface, and the annular part of the steel ball exposed out of the concave spherical surface can be correspondingly connected with a positioning groove on the auxiliary sleeve pushed to the inner top wall of the sheath.

3. The safety use guard of a manual punch as recited in claim 2, wherein: the compression spring pushes and presses the steel ball to be tightly attached to the concave spherical surface, and the compression spring is located at one end, opposite to the concave spherical surface, of the compression spring and is seated on the plug for plugging the outer end head of the transverse through hole.

4. The safety-use guard of a manual punch of claim 3, wherein: the plug for plugging the transverse through hole is mounted by arranging an internal thread at one end of the transverse through hole away from the concave spherical surface, screwing the plug on the internal thread, and arranging a slot for rotating the plug by a screwdriver at the outer end of the plug.

5. The safety-use guard of a manual punch of claim 3, wherein: and a spring guide rod inserted into the hole of the compression spring is arranged on the central line of one end of the plug, which is in contact with the compression spring.

6. The manual punch safety shield of claim 1, wherein: the periphery of the top end of the auxiliary sleeve is provided with an arc-shaped chamfer.

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