A test hammer

Abstract

The utility model discloses a test hammer, including a hammer rod, a hammer body and a rotating rod, a rubber handle is bonded to the lower surface of the hammer rod, a hammer body is arranged above the hammer rod, and a connecting sleeve is fixed below the hammer body, clamping holes are provided on both sides below the connecting sleeve, a flat hammer head is fixed at one end of the hammer body, an inner cavity is provided inside the hammer body, clamping grooves are provided at the four corners of the inner cavity of the hammer body, a pointed hammer head is provided at one end of the hammer body away from the flat hammer head, a partition is fixed on the side of the first bevel gear in the inner cavity of the hammer body, and an outer protective sleeve is provided on the outer surface of the hammer body. The test hammer can drive the pointed hammer head to engage and slide in the inner cavity inside the hammer body by rotating the screw rod, so that the pointed hammer head can be received in the inner cavity inside the hammer body, avoiding the problem of accidentally falling and causing the pointed hammer head to injure the staff, and is simple to use and easy to operate.

Description

Technical Field

[0001] The utility model relates to the technical field related to boiler inspection, in particular to an inspection hammer. Background Art

[0002] In order to ensure the safe operation of the boiler and improve the energy efficiency, it is necessary to conduct regular safety inspections on the boiler. The hammer method is a simple and convenient inspection method that is widely used, and the inspection hammer is an important component for the hammer method to inspect the boiler.

[0003] The existing announcement number is CN212722739U. A test hammer for boiler inspection includes a boiler test hammer, an iron block is fixedly installed on the top of the boiler test hammer handle, and a locking mechanism is also included. The boiler test hammer is sleeved on the locking mechanism, and the boiler test hammer is kept moving along the notch direction of the locking mechanism by applying a rotational force to a push rod; the above document can realize the rapid removal of the boiler test hammer, and at the same time, by movably installing a protective cover on one end of the pointed head of the boiler test hammer, it is prevented that when a worker takes the boiler test hammer, the pointed end falls and hits the worker due to careless removal, thereby protecting the health of the worker and preventing the boiler test hammer from accidentally falling;

[0004] However, although it is simple to protect the pointed hammer head by connecting the protective cover with a connecting rope, the protective cover and the connecting rope will swing with the inertia during use, which seriously affects the use of the pointed hammer head. Therefore, we propose a test hammer to solve the above problems. Utility Model Content

[0005] The purpose of the utility model is to provide a testing hammer to solve the problems raised by the above background technology.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a test hammer, comprising a hammer rod, a hammer body and a rotating rod, a rubber handle is bonded to the lower surface of the hammer rod, a hammer body is arranged above the hammer rod, and a connecting sleeve is fixed below the hammer body, clamping holes are provided on both sides of the lower side of the connecting sleeve, a flat hammer head is fixed at one end of the hammer body, an inner cavity is provided inside the hammer body, and clamping grooves are provided at the four corners of the inner cavity of the hammer body, a pointed hammer head is provided on the end of the hammer body away from the flat hammer head, a rotating screw rod is rotatably connected to the middle part of the inner side of the hammer body, and a first bevel gear is fixed to the end of the rotating screw rod, a partition is fixed on the side of the first bevel gear in the inner cavity of the hammer body, an outer protective sleeve is provided on the outer surface of the hammer body, the side of the hammer body is rotatably connected to the rotating rod, and a second bevel gear is fixed to the inner end of the rotating rod.

[0007] Preferably, the upper two ends of the hammer rod are connected to the pressing blocks via springs, and the pressing blocks protrude from the surface of the hammer rod.

[0008] By adopting the above technical solution, the pressing block can be conveniently pressed on the top of the hammer rod in cooperation with the spring, so that the pressing block can be retracted into the interior of the hammer rod.

[0009] Preferably, the upper end of the hammer rod is snap-fitted with the connecting sleeve below the hammer body, and the upper part of the hammer rod is snap-fitted with the snap hole on the surface of the connecting sleeve via a pressing block.

[0010] By adopting the technical solution, it is convenient to press the button to separate the hammer rod from the connecting sleeve under the hammer body.

[0011] Preferably, a threaded cavity is opened in the middle of the inner side of the pointed hammer head, and the four corners of one end of the pointed hammer head close to the inside of the hammer body are arranged in a "convex" shape, and the pointed hammer head and the internal slot of the hammer body form a snap-fit ​​sliding connection.

[0012] The adoption of the technical solution facilitates the sliding engagement of the pointed hammer head on the slot in the inner cavity of the hammer body.

[0013] Preferably, the rotating screw and the hammer head are connected in a threaded manner, and the first bevel gear at the end of the rotating screw and the second bevel gear at the end of the rotating rod are meshedly connected.

[0014] By adopting the above technical solution, it is convenient to rotate the screw rod and the sharp hammer head to move the thread so that the sharp hammer head can slide inside the hammer body.

[0015] Preferably, the outer protective sleeve is made of rubber material, and the outer protective sleeve is snap-connected to both ends of the hammer body.

[0016] By adopting the above technical solution, the hammer body can be effectively protected by the outer protective cover made of rubber material, so that after the hammer body falls, the damage to the staff is reduced.

[0017] Compared with the prior art, the utility model has the following beneficial effects: the inspection hammer,

[0018] The pointed hammer head can be driven to slide in the inner cavity of the hammer body by rotating the screw rod, so that the pointed hammer head can be received in the inner cavity of the hammer body, thereby avoiding the problem of accidentally falling and causing the pointed hammer head to injure the staff. The use is simple and the operation is convenient;

[0019] The outer protective sleeve arranged on the outside of the hammer body can be used in conjunction with the pressing block on the top of the hammer rod, so that the hammer body can be effectively protected by the outer protective sleeve, and the force of the hammer body falling and hitting the staff can be cushioned to protect the staff. At the same time, the pressing block on the top of the hammer rod and the connecting sleeve under the hammer body can be used to separate the hammer rod from the hammer body. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 This is a schematic diagram of the front view structure of the utility model;

[0021] Figure 2 This is a rear view structural diagram of the utility model;

[0022] Figure 3 This is a schematic diagram of the top cross-sectional structure of the pointed hammer head of the utility model;

[0023] Figure 4 This is a schematic diagram of the side cross-sectional structure of the hammer body of the utility model;

[0024] Figure 5 This is a schematic diagram of the structure of the outer protective cover of the utility model;

[0025] Figure 6 It is a schematic diagram of the separation structure of the hammer rod and the hammer body of the utility model.

[0026] In the figure: 1. hammer rod; 2. rubber handle; 3. hammer body; 4. connecting sleeve; 5. pressing block; 6. flat hammer head; 7. pointed hammer head; 8. inner cavity; 9. rotating screw; 10. first bevel gear; 11. partition; 12. outer protective sleeve; 13. rotating rod; 14. second bevel gear; 15. threaded cavity; 16. slot; 17. spring; 18. slot. DETAILED DESCRIPTION

[0027] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0028] See also Figure 1-6 The utility model provides a technical solution: a test hammer, comprising a hammer rod 1, a hammer body 3 and a rotating rod 13, characterized in that: a rubber handle 2 is bonded to the lower surface of the hammer rod 1, a hammer body 3 is arranged above the hammer rod 1, and a connecting sleeve 4 is fixed below the hammer body 3, and clamping holes 18 are opened on both sides of the lower side of the connecting sleeve 4, and the upper ends of the hammer rod 1 are connected to the pressing block 5 through a spring 17, and the pressing block 5 protrudes from the surface of the hammer rod 1, so that the pressing block 5 can be conveniently pressed on the top of the hammer rod 1 in cooperation with the spring 17, so that the pressing block 5 can be retracted into the inside of the hammer rod 1, and the upper end of the hammer rod 1 is clamped and connected with the connecting sleeve 4 below the hammer body 3, and the upper part of the hammer rod 1 is clamped and connected with the clamping hole 18 on the surface of the connecting sleeve 4 through the pressing block 5, so that the pressing block 5 can be conveniently pressed to separate the hammer rod 1 from the connecting sleeve 4 below the hammer body 3;

[0029] See also Figure 1-6A flat hammer head 6 is fixed to one end of the hammer body 3, an inner cavity 8 is provided inside the hammer body 3, and a slot 16 is provided at the four corners of the inner cavity 8 of the hammer body 3. A pointed hammer head 7 is provided at the end of the hammer body 3 away from the flat hammer head 6, and a threaded cavity 15 is provided in the inner middle part of the pointed hammer head 7, and the four corners of the end of the pointed hammer head 7 close to the inside of the hammer body 3 are arranged in a "convex" shape, and the pointed hammer head 7 and the inner slot 16 of the hammer body 3 form a snap-fit ​​sliding connection, which facilitates the snap-fitting and sliding of the pointed hammer head 7 on the slot 16 of the inner cavity 8 of the hammer body 3. A rotating screw rod 9 is rotatably connected to the middle part of the inner side of the hammer body 3, and a first bevel gear 10 is fixed to the end of the rotating screw rod 9. The connection method of the rotating screw rod 9 and the pointed hammer head 7 is a threaded connection, and the rotating screw The first bevel gear 10 at the end of the rod 9 is meshedly connected with the second bevel gear 14 at the end of the rotating rod 13, which is convenient for the threaded movement of the screw rod 9 and the pointed hammer head 7 so that the pointed hammer head 7 can slide inside the hammer body 3. A partition 11 is fixed on the side of the first bevel gear 10 in the internal cavity 8 of the hammer body 3, and an outer protective cover 12 is provided on the outer surface of the hammer body 3. The side of the hammer body 3 is rotatably connected with the rotating rod 13, and the inner end of the rotating rod 13 is fixed with the second bevel gear 14. The outer protective cover 12 is made of rubber material, and the outer protective cover 12 is snap-fitted to the two ends of the hammer body 3. The hammer body 3 can be effectively protected by the outer protective cover 12 made of rubber, so that after the hammer body 3 falls, the damage to the staff is reduced.

[0030] Working principle: First, when in use, the rotating rod 13 on the side of the hammer body 3 can be rotated so that the rotating rod 13 can mesh with the first bevel gear 10 at the inner end of the rotating screw 9 inside the hammer body 3 through the second bevel gear 14, thereby facilitating the rotating screw 9 to be threadedly connected with the threaded cavity 15 inside the sharp hammer head 7, and the convex shape at the end of the sharp hammer head 7 can be engaged and slid with the groove 16 inside the inner cavity 8, so as to discharge the sharp hammer head 7 from the inner cavity 8 inside the hammer body 3, so as to use the sharp hammer head 7. Conversely, the sharp hammer head 7 can be retracted into the inner cavity 8 inside the hammer body 3 to avoid the sharp hammer head 7 falling and injuring the staff when not in use;

[0031] The outer side of the hammer body 3 is provided with an outer protective cover 12 which is connected by a snap fit, so that the hammer body 3 can be protected by the outer protective cover 12 made of rubber. At the same time, the outer protective cover 12 and the hammer body 3 are detachable and can be replaced by the outer protective cover 12.

[0032] When it is necessary to separate the hammer rod 1 from the hammer body 3, the push block 5 can be pressed so that the push block 5 can be retracted into the interior of the hammer rod 1 under the action of the spring 17, and then the hammer rod 1 can be separated from the connecting sleeve 4, thereby facilitating the separation of the hammer rod 1 from the hammer body 3. This is the operating principle of the inspection hammer.

[0033] Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art may still modify the technical solutions described in the aforementioned embodiments, or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention shall be included in the protection scope of the present invention.

Claims

1. A test hammer, comprising a hammer rod (1), a hammer body (3) and a rotating rod (13), characterized in that: A rubber handle (2) is bonded to the lower surface of the hammer rod (1), a hammer body (3) is arranged above the hammer rod (1), and a connecting sleeve (4) is fixed below the hammer body (3), and clamping holes (18) are provided on both sides below the connecting sleeve (4), a flat hammer head (6) is fixed to one end of the hammer body (3), an inner cavity (8) is provided inside the hammer body (3), and clamping grooves (16) are provided at four corners of the inner cavity (8) of the hammer body (3), and a portion of the hammer body (3) away from the flat hammer head (6) is provided with a clamping groove (16). A pointed hammer head (7) is provided at one end, a rotating screw (9) is rotatably connected to the middle part of the inner side of the hammer body (3), and a first bevel gear (10) is fixed to the end of the rotating screw (9), a partition (11) is fixed on the side of the first bevel gear (10) in the inner cavity (8) of the hammer body (3), an outer protective sleeve (12) is provided on the outer surface of the hammer body (3), a rotating rod (13) is rotatably connected to the side of the hammer body (3), and a second bevel gear (14) is fixed to the inner end of the rotating rod (13).

2. A test hammer according to claim 1, characterized in that: The upper ends of the hammer rod (1) are connected to the pressing block (5) via springs (17), and the pressing block (5) protrudes from the surface of the hammer rod (1).

3. A test hammer according to claim 1, characterized in that: The upper end of the hammer rod (1) is snap-fitted to the connecting sleeve (4) below the hammer body (3), and the upper part of the hammer rod (1) is snap-fitted to the snap hole (18) on the surface of the connecting sleeve (4) via a pressing block (5).

4. A test hammer according to claim 1, characterized in that: A threaded cavity (15) is provided in the middle of the inner side of the pointed hammer head (7), and the four corners of one end of the pointed hammer head (7) close to the inside of the hammer body (3) are arranged in a "convex" shape, and the pointed hammer head (7) and the internal slot (16) of the hammer body (3) form a snap-fit ​​sliding connection.

5. A test hammer according to claim 1, characterized in that: The rotating screw (9) and the hammer head (7) are connected in a threaded manner, and a first bevel gear (10) at the end of the rotating screw (9) and a second bevel gear (14) at the end of the rotating rod (13) are meshingly connected.

6. A test hammer according to claim 1, characterized in that: The outer protective sleeve (12) is made of rubber material, and the outer protective sleeve (12) and the hammer body (3) are connected by snap-fitting at both ends.

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