CN212228832U

CN212228832U - Automatic telescopic hollow drum hammer

Info

Publication number: CN212228832U
Application number: CN202021036042.8U
Authority: CN
Inventors: 杨确辉; 李万旺; 王鑫茹; 王正文; 刘禄廷
Original assignee: Guangdong Jiaoling Construction Engineering Group Co Ltd
Current assignee: Guangdong Jiaoling Construction Engineering Group Co Ltd
Priority date: 2020-06-08
Filing date: 2020-06-08
Publication date: 2020-12-25
Anticipated expiration: 2030-06-08

Abstract

The utility model discloses an automatic telescopic hollow hammer, which comprises a telescopic rod and a steel ball, wherein the telescopic rod comprises an outer rod and an inner rod, the steel ball is fixedly arranged at the top end of the inner rod, the lower end opening of the outer rod is arranged, a support piece is arranged at the lower end opening, a spring is arranged in the outer rod, the lower end of the spring is connected with the support piece, the upper end of the spring is connected with the lower end of the inner rod, a bayonet is arranged on the side wall of the upper end of the outer rod, a spring leaf is arranged in the inner rod, the lower end of the spring leaf is fixedly connected with the lower end of the inner rod, the upper end of the spring leaf is connected with a; a clamping groove is formed in the spherical surface of the steel ball, a clamping piece is arranged on the steel ball, and the clamping piece can clamp an object arranged in the clamping groove; the utility model discloses save time when using, convenient to use detects conveniently, and the function is diversified moreover.

Description

Automatic telescopic hollow drum hammer

Technical Field

The utility model relates to an empty drum hammer field specifically is an automatic flexible empty drum hammer.

Background

Empty drum hammer is a kind of instrument of examining the room for whether there is empty drum in inspection wallboard, floor, roof, current empty drum only can carry out wall empty drum detection through manual drawing telescopic link, has the function singleness, takes time, difficultly, detects inconvenient problem.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an automatic flexible empty drum hammer to improve current empty drum hammer function singleness, take time, hard, can't save time, detect not convenient problem.

The utility model discloses a realize like this: an automatic telescopic hollow hammer comprises a telescopic rod and a steel ball, wherein the telescopic rod comprises an outer rod and an inner rod, the steel ball is fixedly arranged at the top end of the inner rod, the lower end opening of the outer rod is provided, a support piece is arranged at the lower end opening of the outer rod, a spring is arranged in the outer rod, the lower end of the spring is connected with the support piece, the upper end of the spring is connected with the lower end of the inner rod, a bayonet is arranged on the side wall of the upper end of the outer rod, a spring piece is arranged in the inner rod, the lower end of the spring piece is fixedly connected with the lower end of the inner rod, a clamping block is connected to the upper; the spherical surface of the steel ball is provided with a clamping groove, the steel ball is provided with a clamping piece, and the clamping piece can be clamped and installed on an object in the clamping groove.

Further, the lower port of outer pole is provided with internal thread structure, support piece is the bolt column structure, and its screw section links to each other with the internal thread structure screw thread of outer pole, the fixed cylindric lug that is provided with on the up end of support piece screw section, the central axis of cylindric lug and the central axis collineation of support piece screw section, on the cylindric lug was located to the spring housing, and the internal diameter of spring was the same with the diameter of cylindric lug.

Further, be provided with protruding structure on the upper end lateral wall of outer pole, be provided with the spout along the length direction of inner pole on inner pole and the outer pole matched with outer wall, the bayonet socket that sets up on fixture block and the outer pole aligns along the length direction of outer pole when protruding structure is located the spout.

Furthermore, the upper end of the sliding groove extends to the upper end of the outer wall of the inner rod matched with the outer rod, and the lower end of the sliding groove does not extend to the lower end of the outer wall of the inner rod matched with the outer rod.

Further, the chucking spare that sets up on the steel ball is the rubber sleeve who sets up in the joint groove, the outer wall of rubber sleeve splices with the inboard wall in joint groove mutually.

Further, the outer wall of the outer rod is sleeved with a sponge sleeve, and the outer wall of the sponge sleeve is provided with an anti-skidding groove.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the time is saved when using, convenient to use, it is convenient to detect, and the function is diversified moreover.

2. The supporting piece and the outer rod can be conveniently disassembled and assembled, the maintenance and the use are convenient, and the compressed degree of the adjusting spring can be adjusted; the cylindrical bump can position the spring, so that the spring is firmly placed.

3. A convex structure is arranged on the side wall of the upper end of the outer rod, a sliding groove is arranged on the outer wall of the inner rod matched with the outer rod along the length direction of the inner rod, and the convex structure is positioned in the sliding groove and is connected with the sliding groove in a sliding way; when installing interior pole in the outer pole, will make protruding structure be located the spout, when protruding structure is located the spout moreover, the bayonet socket that sets up on fixture block and the outer pole is counterpointed along the length direction of outer pole is accurate, the problem in the bayonet socket can not be gone into to the fixture block can not appear.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.

Fig. 1 is a schematic structural view of an automatic telescopic hollow drum hammer of the present invention;

FIG. 2 is an enlarged view of area A of FIG. 1;

fig. 3 is a schematic view of a connection structure between the supporting member and the cylindrical projection of the automatic telescopic hollow hammer of the present invention.

In the figure: 1. an outer rod; 101. a bayonet; 102. a raised structure; 2. an inner rod; 201. a chute; 3. a steel ball; 301. a clamping groove; 4. a support member; 5. a spring; 6. a spring plate; 7. a clamping block; 8. a cylindrical bump; 9. a rubber sleeve; 10. a sponge sleeve.

Detailed Description

To make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the drawings of the embodiments of the present invention are combined to clearly and completely describe the technical solutions of the embodiments of the present invention, and obviously, the described embodiments are some embodiments of the present invention, not all embodiments. Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. 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.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

Referring to fig. 1 and 3, in an embodiment of the present invention, an automatic telescopic hollow hammer includes a telescopic rod and a steel ball 3, the telescopic rod includes an outer rod 1 and an inner rod 2, the steel ball 3 is fixedly disposed on the top end of the inner rod 2, a lower end opening of the outer rod 1 is disposed, and a lower end opening is disposed with a support member 4, a spring 5 is disposed in the outer rod 1, a lower end of the spring 5 is connected with the support member 4, an upper end of the spring 5 is connected with a lower end of the inner rod 2, a bayonet 101 is disposed on a sidewall of an upper end of the outer rod 1, a spring leaf 6 is disposed in the inner rod 2, a lower end of the spring leaf 6 is fixedly connected with a lower end of the inner rod 2, an upper end of the spring leaf 6 is connected with; the spherical surface of the steel ball 3 is provided with a clamping groove 301, the steel ball 3 is provided with a clamping piece, and the clamping piece can clamp and install objects in the clamping groove 301.

The utility model discloses a theory of operation: when the telescopic rod is retracted, the inner rod 2 presses the spring 5 downwards, the clamping block 7 is clamped into the bayonet 101, when the telescopic rod is used, the clamping block 7 is pressed into the outer rod 1 by pressing the clamping block 7, the inner rod 2 is automatically popped out under the action of the spring 5, manual pulling is not needed, the time is saved, and the use is convenient; a marking pen can be clamped in the clamping groove 301, the empty drum position at the high position can be marked, and the empty drum position at the low position can be marked by directly holding the marking pen by hand; a small flashlight can be clamped in the clamping groove 301, so that the interior of the flue can be conveniently inspected.

So, compare in current empty drum hammer, the utility model discloses save time during the use, convenient to use detects conveniently, and the function is diversified moreover.

Referring to fig. 1, in the embodiment of the present invention, an internal thread structure is disposed at a lower port of an outer rod 1, a supporting member 4 is a bolt-shaped structure, a screw portion of the supporting member is in threaded connection with the internal thread structure of the outer rod 1, a cylindrical bump 8 is fixedly disposed on an upper end surface of the screw portion of the supporting member 4, a central axis of the cylindrical bump 8 is collinear with a central axis of the screw portion of the supporting member 4, a spring 5 is sleeved on the cylindrical bump 8, and an inner diameter of the spring 5 is the same as a diameter of the cylindrical bump 8; the supporting piece 4 and the outer rod 1 can be conveniently disassembled and assembled, the maintenance and the use are convenient, and the compressed degree of the adjusting spring 5 can be adjusted; the cylindrical projection 8 positions the spring 5 so that the spring 5 is placed firmly.

Referring to fig. 2, in the embodiment of the present invention, a protruding structure 102 is disposed on a side wall of an upper end of an outer rod 1, a sliding groove 201 is disposed on an outer wall of the inner rod 2, which is matched with the outer rod 1, along a length direction of the inner rod 2, and the protruding structure 102 is located in the sliding groove 201 and is connected with the sliding groove 201 in a sliding manner; when the inner rod 2 is installed in the outer rod 1, the protruding structure 102 is required to be located in the sliding groove 201, and when the protruding structure 102 is located in the sliding groove 201, the clamping block 7 and the bayonet 101 arranged on the outer rod 1 are accurately aligned along the length direction of the outer rod 1, so that the problem that the clamping block 7 cannot be clamped into the bayonet 101 is solved; the upper end of spout 201 extends to the upper end of interior pole 2 and outer pole 1 matched with outer wall, and the lower extreme does not extend to the lower extreme of interior pole 2 and outer pole 1 matched with outer wall, the problem that interior pole 2 was popped out outer pole 1 can not appear.

The clamping piece arranged on the steel ball 3 is a rubber sleeve 9 arranged in the clamping groove 301, and the outer wall of the rubber sleeve 9 is glued with the inner side wall of the clamping groove 301; the clamping piece can also be used for fixing a bolt, a threaded through hole leading to the clamping groove 301 is formed in the spherical surface of the steel ball 3, and the fixing bolt is installed in the threaded through hole.

Referring to fig. 1, in the embodiment of the present invention, a sponge sleeve 10 is sleeved on the outer wall of the outer rod 1, and an anti-slip groove is provided on the outer wall of the sponge sleeve 10, so that the sponge sleeve 10 has the functions of shock absorption and anti-slip, so that the utility model is convenient and comfortable to use.

The above is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes will occur to those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. An automatic telescopic hollow hammer comprises a telescopic rod and a steel ball (3), wherein the telescopic rod comprises an outer rod (1) and an inner rod (2), the steel ball (3) is fixedly arranged at the top end of the inner rod (2), it is characterized in that the lower end opening of the outer rod (1) is provided with a support piece (4), a spring (5) is arranged in the outer rod (1), the lower end of the spring (5) is connected with the supporting piece (4), the upper end of the spring (5) is connected with the lower end of the inner rod (2), the side wall of the upper end of the outer rod (1) is provided with a bayonet (101), a spring piece (6) is arranged in the inner rod (2), the lower end of the spring piece (6) is fixedly connected with the lower end of the inner rod (2), the upper end of the spring piece (6) is connected with a clamping block (7), and the clamping block (7) can be clamped into the bayonet (101); be provided with joint groove (301) on the sphere of steel ball (3), be provided with chucking spare on steel ball (3), but chucking spare chucking installs the object in joint groove (301).

2. The automatic telescopic empty drum hammer according to claim 1, characterized in that the lower port of the outer rod (1) is provided with an internal thread structure, the support member (4) is of a bolt-shaped structure, the screw portion of the support member is in threaded connection with the internal thread structure of the outer rod (1), a cylindrical bump (8) is fixedly arranged on the upper end face of the screw portion of the support member (4), the central axis of the cylindrical bump (8) is collinear with the central axis of the screw portion of the support member (4), the spring (5) is sleeved on the cylindrical bump (8), and the inner diameter of the spring (5) is the same as the diameter of the cylindrical bump (8).

3. The automatic telescopic hollow drum hammer according to claim 1, characterized in that a protruding structure (102) is arranged on the upper end side wall of the outer rod (1), a sliding groove (201) is arranged on the outer wall of the inner rod (2) matched with the outer rod (1) along the length direction of the inner rod (2), and when the protruding structure (102) is located in the sliding groove (201), the clamping block (7) is aligned with the bayonet (101) arranged on the outer rod (1) along the length direction of the outer rod (1).

4. An automatic telescopic hollowing hammer according to claim 3, characterized in that the upper end of the sliding groove (201) extends to the upper end of the outer wall of the inner rod (2) matched with the outer rod (1), and the lower end does not extend to the lower end of the outer wall of the inner rod (2) matched with the outer rod (1).

5. An automatic telescopic empty drum hammer according to claim 1, characterized in that the clamping piece arranged on the steel ball (3) is a rubber sleeve (9) arranged in the clamping groove (301), and the outer wall of the rubber sleeve (9) is glued with the inner side wall of the clamping groove (301).

6. An automatic telescopic air drum hammer according to any one of claims 1-5, characterized in that a sponge sleeve (10) is sleeved on the outer wall of the outer rod (1), and an anti-skid groove is arranged on the outer wall of the sponge sleeve (10).