CN210282809U

CN210282809U - Hand-held pneumatic rock drill

Info

Publication number: CN210282809U
Application number: CN201920495611.6U
Authority: CN
Inventors: 张俊杰; 张子江; 刘康; 季君华
Original assignee: Ningbo Metallurgical Survey And Design Research Co ltd
Current assignee: Ningbo Metallurgical Survey And Design Research Co ltd
Priority date: 2019-04-12
Filing date: 2019-04-12
Publication date: 2020-04-10
Anticipated expiration: 2029-04-12

Abstract

The utility model relates to the field of engineering construction, and discloses a hand-held pneumatic rock drill, which comprises a rock drill body (1), wherein a holding handle (2) is arranged at the tail end of the rock drill body (1), and the holding handle (2) comprises a holding rod (3) and a connecting rod (4) which is arranged at the two ends of the holding rod (3) and is connected with the tail end of the rock drill body (1); the two end faces of the holding rod (3) are both provided with the containing cavities (5), the opening of the containing cavity (5) is covered with the closing plate (6), the containing cavities (5) positioned in the two end faces of the holding rod (3) can be respectively used for storing brand-new and used anti-noise earplugs; the earplug is convenient for operators to take and place the earplugs at any time without carrying, and the hygiene and humanization of the earplugs in the using process are ensured; the blanking plate (6) can seal the opening of the accommodating cavity (5), so that the earplug in the accommodating cavity (5) is prevented from being lost.

Description

Hand-held pneumatic rock drill

Technical Field

The utility model relates to an engineering and building field especially relates to hand-held type pneumatic rock drill.

Background

At present, the basic structure of the hand-held pneumatic rock drill is almost the same, and the hand-held pneumatic rock drill is composed of a rubber damping handle, a handle joint, a handle body, an operating valve, a gas distribution valve bank, a cylinder body, a piston, a machine head, a ratchet wheel, a pawl, a rotating sleeve and a drill rod. The utility model with the publication number of CN202325224U discloses a hand-held pneumatic rock drill for drilling holes on components such as bricks, stones and concrete in emergency rescue operation, which comprises a chuck, a piston return spring, a airspeed indicator port, an air inlet channel, a shuttle valve, an air outlet, a trigger valve plunger, a hand-held grip, a trigger lever, a trigger link, an airspeed indicator, a joint, a tool head, a rock drill, an air pipe, a pressure gauge, a carbon fiber gas cylinder and a connecting air pipe, wherein the chuck is arranged at the foremost end of the rock drill and clamps the tool head, so that the tool head is in seamless connection with the rock drill, the piston rod is connected with the piston return spring and is arranged inside a rock drill gun body, the piston impacts the tool head, the piston return spring is used for pulling back a piston rod of the rock drill to return, the device has the characteristics of reasonable design, simple structure, long service life, and strong maneuverability and flexibility. In order to ensure the stable operation of the handheld pneumatic rock drill, the tail end of the handheld pneumatic rock drill is provided with a holding handle, and when the handheld pneumatic rock drill is used, two hands respectively hold the handheld grip and the holding handle to form two supporting points, so that the equipment can be stably operated.

In the actual use process, the noise that pneumatic rock drill sent is too big for operating personnel must wear anti-noise earplug and carry out the operation, and operating personnel is comparatively troublesome with carrying anti-noise earplug, easily causes the earplug to lose simultaneously, therefore still has certain improvement space.

SUMMERY OF THE UTILITY MODEL

The utility model discloses to prior art's shortcoming, provide a hand-held type pneumatic rock drill, be convenient for deposit the antinoise earplug, avoid the earplug to lose.

In order to solve the technical problem, the utility model discloses a following technical scheme can solve:

a hand-held pneumatic rock drill comprises a rock drill body, wherein a holding handle is arranged at the tail end of the rock drill body, and comprises a holding rod and connecting rods which are arranged at two ends of the holding rod and connected to the tail end of the rock drill body; the holding rod is provided with two end faces, the holding cavity is provided with an opening cover, and the closing plate is covered on the opening cover of the holding cavity.

By adopting the scheme, the containing cavities positioned in the two end surfaces of the holding rod can be respectively used for storing brand new and used anti-noise earplugs; the earplug is convenient for operators to take and place the earplugs at any time without carrying, and the hygiene and humanization of the earplugs in the using process are ensured; the shrouding can seal and hold the chamber opening, avoids holding the earplug of intracavity and loses.

Preferably, the bottom of the containing cavity is provided with a push plate, and the surface of the push plate vertically extends outwards to form a pull rod.

By adopting the scheme, an operator can move the push plate to the position close to the opening of the accommodating cavity through the pull rod, so that the anti-noise earplug positioned at the bottom of the accommodating cavity is pushed to the opening of the accommodating cavity, and the earplug is convenient to take and place.

Preferably, the end of the pull rod is provided with a ball head.

By adopting the scheme, the ball head can increase the anti-skid performance between the hand and the pull rod, so that the pull rod is pulled out more easily, and the operation convenience is increased.

Preferably, the face of the closing plate far away from the cavity is provided with a holding piece.

By adopting the scheme, the holding piece enables an operator to take out the sealing plate from the opening of the cavity more easily.

Preferably, the covering surface of the sealing plate is provided with a plug head component inserted into the opening of the containing cavity.

By adopting the scheme, the plug head assembly is simple in structure, the sealing plate can be directly plugged in the opening of the accommodating cavity, and the operation convenience is improved.

Preferably, the outer peripheral surface of the plug head assembly is annularly provided with an elastic convex ring, and the inner wall of the opening of the containing cavity is provided with a ring groove for the elastic convex ring to be clamped and embedded.

Adopt above-mentioned scheme, the joint cooperation between elasticity bulge loop and the annular can increase the shrouding and hold the damping between the chamber opening inner wall to promote the shrouding and hold the stability when chamber opening cooperation.

The utility model discloses owing to adopted above technical scheme, have apparent technological effect: the holding cavities in the two end surfaces of the holding rod can be used for storing brand-new and used anti-noise earplugs respectively; the earplug is convenient for operators to take and place the earplugs at any time without carrying, and the hygiene and humanization of the earplugs in the using process are ensured; the shrouding can seal and hold the chamber opening, avoids holding the earplug of intracavity and loses.

Drawings

FIG. 1 is a schematic structural diagram of the first embodiment;

FIG. 2 is an exploded view of a grip handle according to one embodiment of the present invention;

FIG. 3 is a cross-sectional view of a grip handle according to a second embodiment of the present invention;

fig. 4 is a schematic structural diagram of a third sealing plate of the present embodiment.

The names of the parts indicated by the numerical references in the above figures are as follows: 1. a rock drill body; 2. a grip handle; 3. a holding rod; 4. a connecting rod; 5. a cavity; 6. closing the plate; 7. pushing the plate; 8. a pull rod; 9. a ball head; 10. a grip; 11. a plug head assembly; 12. an elastic convex ring; 13. a ring groove; 14. avoiding the groove.

Detailed Description

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

Example one

As shown in fig. 1 and fig. 2, the embodiment discloses a handheld pneumatic rock drill, which includes a rock drill body 1, a holding handle 2 is disposed at the tail end of the rock drill body 1, and the holding handle 2 includes a holding rod 3 and a connecting rod 4 disposed at two ends of the holding rod 3 and connected to the tail end of the rock drill body 1; wherein, holding rod 3 is preferred to be cylindricly, and holding chamber 5 has all been seted up to two terminal surfaces of holding rod 3, and two are held chamber 5 and also are preferred to be cylindricly to be the symmetry setting. The opening of each cavity 5 is covered with a sealing plate 6, and the sealing plate 6 is preferably in a disc shape and has the size consistent with the size of the end face of the holding rod 3. The closing surface of the closing plate 6 is provided with a plug head component 11 inserted into the opening of the containing cavity 5, the plug head component 11 is preferably cylindrical, and the outer diameter of the plug head component is preferably equal to the inner diameter of the opening of the containing cavity 5.

Furthermore, the outer circumferential surface of the plug head assembly 11 is annularly provided with an elastic convex ring 12, and the elastic convex ring 12 is preferably made of rubber, so that the elastic convex ring has better elasticity and sealing performance, and can be adhered to the outer circumferential surface of the plug head assembly 11 through glue or be embedded in the outer circumferential surface of the plug head assembly 11 in a clamping manner. An annular groove 13 for clamping and embedding the elastic convex ring 12 is formed in the inner wall of the opening of the accommodating cavity 5, and the connection stability between the plug head assembly 11 and the inner wall of the opening of the accommodating cavity 5 is further improved. The face of the closure plate 6 remote from the cavity 5 is provided with a grip 10, the grip 10 preferably being a "D" shaped handle.

The specific using process is as follows:

at ordinary times, the holding rod 3 on the handle grip 2 can regard as the holding part to use, when the anti-noise earplug is used to needs, takes off shrouding 6 from the opening that holds chamber 5 through holding 10, just can get and put the earplug, then covers shrouding 6 again through chock plug subassembly 11 and fits the opening that holds chamber 5, just can seal once more and hold chamber 5, avoids holding the anti-noise earplug in the chamber 5 and loses. The operator can place the used or unused anti-noise earplugs into the two cavities 5 according to the requirement, so that the anti-noise earplugs are more convenient and sanitary.

Example two

As shown in fig. 3, on the basis of the first embodiment, a push plate 7 is disposed at the bottom of the cavity 5, the push plate 7 is preferably circular, and the diameter of the push plate 7 is preferably equal to or slightly smaller than the inner diameter of the cavity 5, a pull rod 8 is vertically and outwardly extended from the plate surface of the push plate 7, the pull rod 8 is preferably fixed at the center of the push plate 7, the end of the pull rod 8 far away from the push plate 7 extends to a position close to the opening of the cavity 5, and a ball head 9 is disposed at the end of the pull rod 8.

When operating personnel was taking anti-noise earplug, after shrouding 6 was taken off from holding 5 openings parts, through pulling pull rod 8, can drive push pedal 7 and remove towards being close to the direction that holds 5 openings of chamber to be located and hold 5 inside anti-noise earplug propelling movement of chamber to holding 5 openings parts, the operating personnel of being convenient for takes. After the earplugs are taken out, the pull rod 8 is pushed inwards, and the push plate 7 can be driven to reset.

EXAMPLE III

As shown in fig. 4, on the basis of the second embodiment, an avoiding groove 14 corresponding to the end of the pull rod 8 is formed on the end surface of the plug assembly 11 to prevent the plug assembly 11 from pressing the end of the pull rod 8.

Claims

1. A hand-held pneumatic rock drill, includes rock drill body (1), its characterized in that: a holding handle (2) is arranged at the tail end of the rock drill body (1), and the holding handle (2) comprises a holding rod (3) and connecting rods (4) which are arranged at two ends of the holding rod (3) and connected to the tail end of the rock drill body (1); the two end faces of the holding rod (3) are both provided with an accommodating cavity (5), and an opening of the accommodating cavity (5) is covered with a sealing plate (6).

2. A hand-held pneumatic rock drill according to claim 1, characterized in that: a push plate (7) is arranged at the bottom of the containing cavity (5), and a pull rod (8) extends outwards from the surface of the push plate (7).

3. A hand-held pneumatic rock drill according to claim 2, characterized in that: the end part of the pull rod (8) is provided with a ball head (9).

4. A hand-held pneumatic rock drill according to claim 1, characterized in that: the surface of the sealing plate (6) far away from the cavity (5) is provided with a holding piece (10).

5. A hand-held pneumatic rock drill according to any one of claims 1 to 4, characterized in that: the covering surface of the sealing plate (6) is provided with a plug head component (11) inserted into the opening of the containing cavity (5).

6. A hand-held pneumatic rock drill according to claim 5, characterized in that: the outer peripheral surface of the plug head component (11) is annularly provided with an elastic convex ring (12), and the inner wall of the opening of the containing cavity (5) is provided with a ring groove (13) for the elastic convex ring (12) to be clamped and embedded.