Knocking hammer with adjustable handle
By designing an adjustable handle for the hammer, the problem of the inability to replace the metal hammerhead in existing hammers was solved, improving flexibility and protection, and extending the lifespan of the hammerhead.
Patent Information
- Application Number
- CN202423302212.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-31
- Publication Date
- 2026-02-13
- Estimated Expiration
- 2034-12-31
AI Technical Summary
Existing hammers, due to their fixed metal hammerheads and telescopic rods, cannot be fitted with different models of metal hammerheads to suit different usage conditions, resulting in significant limitations in their use and low practicality.
An adjustable-handle hammer was designed, which allows for the replacement of different models of metal hammerheads according to actual needs through a limiting mechanism and a protective mechanism. The hammerhead is buffered and protected by a damping block and a protective spring, improving the flexibility of use and the service life.
This design allows for convenient replacement of the metal hammerhead according to actual needs, enhancing the practicality of the hammer and the protective function of the metal hammerhead, thus extending its service life.
Smart Images

Figure CN223903859U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the technical field of knocking hammer, especially to a handle adjustable knocking hammer. BACKGROUND
[0002] With the society constantly, economic development, large piece of land built various buildings in the construction engineering, construction is completed after need to use the knocking hammer to align the acceptance, if find what problem needs to have the problem area to remove the construction again, and then guarantee the use safety of building;
[0003] In the announcement number as CN218974269U's a kind of knocking hammer, including fixed sleeve, the outer surface of the connecting place of the fixed rod and multiple telescopic rods is threadedly connected with fixed sleeve, the upper end surface of the fixed rod and multiple telescopic rods is provided with limit slot, the inside lower end of the fixed sleeve is equipped with limit ring, and limit ring is embedded in the inside of limit slot, the bottom of the inside upper end of the fixed sleeve is provided with clamping groove, the both sides in the inside of the fixed rod and telescopic rod are provided with sliding slot, the lower end outer surface of multiple telescopic rods is equipped with clamping block.The utility model by rotating metal hammer head, and then make the fixed sleeve of the connecting place of the fixed rod and multiple telescopic rods threadedly connected rotate, when fixed sleeve rotates, the clamping groove and clamping block on it are rotated, so as to reach the fixed equipment, avoid the shaking of staff when using or the condition of retraction produced by equipment use for a long time;
[0004] But above-mentioned knocking hammer still has following defect when using: above-mentioned existing technology when using, since metal hammer head and telescopic rod are fixed, thus in actual use process, it is inconvenient to replace different models of metal hammer head according to actual use condition, to cause its when using localism is bigger, practicality is lower. UTILITY MODEL CONTENTS
[0005] The utility model aims at providing a handle adjustable knocking hammer to solve the problem of the existing handle adjustable knocking hammer in the background art, which is inconvenient to replace different models of metal hammer head according to actual use condition.
[0006] To achieve the above object, the utility model provides the following technical scheme: a handle adjustable knocking hammer, including fixed rod, antiskid sleeve, round buckle, telescopic rod, the outside of the fixed rod is sleeved with antiskid sleeve, the bottom of the fixed rod is fixed with round buckle, the inside of the fixed rod is slidably provided with telescopic rod, and the telescopic rod is provided with multiple, multiple telescopic rods are all hollow structures.
[0007] The top end of the telescopic rod is welded with a connecting rod, and the two sides of the connecting rod are provided with protection mechanisms, one side of each protection mechanism is fixed with a fixed block, one side of the fixed block is provided with a metal hammer head, one side of the metal hammer head is fixed with a slot, and the two sides of the inside of the fixed block are provided with limiting mechanisms.
[0008] When using the handle-adjustable hammering hammer, the limiting mechanism is arranged to replace the metal hammer head of different models according to the actual use condition under the cooperation of the slot, and the practicability is improved.
[0009] Preferably, the protection mechanism comprises a protection spring, and the protection spring is arranged in the inside of the connecting rod, one side of the protection spring is fixed with a sliding block, one side of the sliding block is fixed with a telescopic block, one side of the telescopic block is fixedly connected with the fixed block, the two sides of the sliding block are fixedly provided with damping blocks, and the outer sides of the damping blocks are provided with guide grooves, and the guide grooves are arranged in the inside of the connecting rod.
[0010] Preferably, the protection spring is provided with two, the two protection springs are symmetrically distributed, and the two protection springs are in a stretched state in the inside of the connecting rod.
[0011] Preferably, the inside of the guide groove is adhered with a damping strip, the damping block slides in the inside of the guide groove, and the sliding block is in sliding connection with the connecting rod through the damping block and the guide groove.
[0012] Preferably, the limiting mechanism comprises a mounting block, and the mounting block is arranged in the inside of the fixed block, the inside of the mounting block is provided with a baffle, one end of the baffle is fixed with an adjusting rod, one end of the adjusting rod extends to the outside of the fixed block, the outer side of the adjusting rod is uniformly wound with a reset spring, one end of the reset spring is fixedly connected with the inner wall of the mounting block, the other end of the reset spring is fixedly connected with the baffle, the bottom end of the baffle is fixed with a limiting rod, the outer side of the limiting rod is provided with a limiting slot, and the limiting slot is arranged in the inside of the slot.
[0013] Preferably, the reset spring is provided with two groups, each group of the reset spring is provided with two, and each group of the reset spring is symmetrically distributed.
[0014] Preferably, the baffle is provided with two groups, each group of the baffle is provided with two, and the outer edges of each group of the baffle are in sliding fit with the inner wall of the mounting block.
[0015] Preferably, the inside of the fixed rod and the telescopic rods is provided with a clamping groove, the outer side surface of the lower end of the telescopic rods is provided with a clamping block, and the clamping groove and the clamping block are matched.
[0016] Compared with the prior art, the handle-adjustable hammer has the advantages that different types of metal hammer heads can be replaced according to actual use conditions, and the hammer has a protection function.
[0017] The limiting rod is withdrawn from the inside of the limiting groove and is received in the inside of the mounting block by pulling the adjusting rod, so that the metal hammer head is released from the limiting, and then the metal hammer head is conveniently removed, so that after the metal hammer head of a different type is replaced, the adjusting rod is loosened, and the limiting rod is inserted into the inside of the limiting groove under the action of the return spring and the baffle, so that the replaced metal hammer head is conveniently limited and fixed, and through the above operation, the metal hammer head of a different type can be replaced according to actual use conditions, so that the practicability is improved.
[0018] When the metal hammer head is subjected to force, the telescopic block is pushed to move horizontally, and the damping block is synchronously moved under the action of the damping block and the guide groove, so that the damping block extrudes the protection spring, the protection spring is compressed by force through the above operation, so that the impact force borne by the metal hammer head is relieved, so that the buffering protection effect is achieved, and the service life of the metal hammer head is improved. BRIEF DESCRIPTION OF DRAWINGS
[0019] In order to more clearly illustrate the technical scheme in the embodiments of the present application or the prior art, the drawings needed to be used in the embodiments or the prior art description will be briefly introduced. Obviously, the drawings in the following description are some embodiments of the present application, and for those skilled in the art, other drawings can also be obtained without creative labor on the basis of these drawings.
[0020] Figure 1 It is a front view of the partial cross-sectional structure of the present application.
[0021] Figure 2 It is a top view of the cross-sectional structure of the present application.
[0022] Figure 3 It is a side view of the structure of the present application.
[0023] Figure 4 It is a front view of the three-dimensional structure of the fixed block of the present application.
[0024] Figure 5 It is a three-dimensional structure of the limiting mechanism of the present application.
[0025] The following are the annotations in the diagram: 1. Fixed rod; 2. Anti-slip sleeve; 3. Round buckle; 4. Telescopic rod; 5. Metal hammer head; 6. Fixed block; 7. Connecting rod; 8. Protective mechanism; 801. Guide groove; 802. Telescopic block; 803. Protective spring; 804. Sliding block; 805. Damping block; 9. Slot; 10. Limiting mechanism; 1001. Limiting groove; 1002. Adjusting rod; 1003. Mounting block; 1004. Return spring; 1005. Limiting rod; 1006. Baffle. Detailed Implementation
[0026] To make the objectives, technical solutions, and advantages of the embodiments of this utility model clearer, the technical solutions of the embodiments of this utility model will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of this utility model, not all embodiments. Based on the embodiments of this utility model, all other embodiments obtained by those skilled in the art without creative effort are within the protection scope of this utility model.
[0027] Please see Figures 1-5 One embodiment of this utility model is a hammer with an adjustable handle, including a fixed rod 1;
[0028] The fixed rod 1 and the multiple telescopic rods 4 are provided with locking grooves inside, and the outer surface of the lower end of each telescopic rod 4 is provided with locking blocks, and the locking grooves and locking blocks are matched.
[0029] Specifically, such as Figure 1 , Figure 3 As shown, during use, by pulling the telescopic rod 4, the locking block at the bottom of the telescopic rod 4 and the locking groove inside the fixed rod 1 are engaged with each other, thereby facilitating the adjustment of the length of the fixed rod 1, and making it easier to tap different positions to improve its flexibility.
[0030] Anti-slip sleeve 2, round buckle 3, telescopic rod 4. The anti-slip sleeve 2 is sleeved on the outside of the fixed rod 1. The round buckle 3 is fixed at the bottom of the fixed rod 1. The telescopic rod 4 is slidably arranged inside the fixed rod 1. Multiple telescopic rods 4 are provided. All of the multiple telescopic rods 4 have an internal hollow structure. The top of the telescopic rod 4 is welded with a connecting rod 7. The connecting rod 7 has a protective mechanism 8 on both sides.
[0031] The protection mechanism 8 comprises protection springs 803, which are arranged inside the connecting rod 7, one side of each protection spring 803 is fixed with a sliding block 804, one side of the sliding block 804 is fixed with an expansion block 802, one side of the expansion block 802 is fixedly connected with the fixed block 6, both sides of the sliding block 804 are fixedly connected with damping blocks 805, and the outer sides of the damping blocks 805 are provided with guide grooves 801, which are arranged inside the connecting rod 7;
[0032] The protection springs 803 are arranged in two groups, the two protection springs 803 are symmetrically distributed, and the two protection springs 803 are in a stretched state inside the connecting rod 7;
[0033] The inside of the guide groove 801 is attached with a damping strip, the damping block 805 slides in the guide groove 801, and the sliding block 804 is in sliding connection with the connecting rod 7 through the damping block 805 and the guide groove 801;
[0034] Specifically, as shown in Figure 1 、 Figure 2 、 Figure 4 When in use, the damping block 805 slides in the guide groove 801, which not only can limit and guide the sliding block 804 in motion, thereby improving the stability of the motion, but also can slow down the self-shaking force generated by the reset of the protection spring 803, thereby improving the practicability;
[0035] One side of the protection mechanism 8 is fixedly connected with the fixed block 6, one side of the fixed block 6 is provided with a metal hammer head 5, one side of the metal hammer head 5 is fixedly connected with a slot 9, and both sides of the inside of the fixed block 6 are provided with limiting mechanisms 10;
[0036] The limiting mechanism 10 comprises an installation block 1003, which is arranged inside the fixed block 6, the inside of the installation block 1003 is provided with a baffle 1006, one end of the baffle 1006 is fixedly connected with an adjusting rod 1002, one end of the adjusting rod 1002 extends to the outside of the fixed block 6, the outer side of the adjusting rod 1002 is uniformly wound with a reset spring 1004, one end of the reset spring 1004 is fixedly connected with the inner wall of the installation block 1003, the other end of the reset spring 1004 is fixedly connected with the baffle 1006, the bottom end of the baffle 1006 is fixedly connected with a limiting rod 1005, the outer side of the limiting rod 1005 is provided with a limiting groove 1001, and the limiting groove 1001 is arranged inside the slot 9;
[0037] The reset spring 1004 is arranged in two groups, each group of the reset spring 1004 is arranged in two, and each group of the reset spring 1004 is symmetrically distributed;
[0038] The baffle 1006 is provided with two groups, each group of the baffle 1006 is provided with two, and the outer edge of each group of the baffle 1006 is in sliding fit with the inner wall of the mounting block 1003;
[0039] Specifically, as shown in Figure 1 、 Figure 2 、 Figure 4 、 Figure 5 When in use, the limiting rod 1005 is pulled away from the limiting groove 1001 by pulling the adjusting rod 1002, so that the limiting of the metal hammer head 5 is released, and then different types of metal hammer heads 5 can be replaced according to actual use conditions, so as to face different use conditions.
[0040] Working principle: when the utility model is in use, first, the telescopic rod 4 is made to slide in the inside of the fixed rod 1 by pulling the telescopic rod 4, so that the clamping block at the bottom end of the telescopic rod 4 and the clamping groove in the inside of the fixed rod 1 are mutually clamped, the length of the fixed rod 1 is adjusted according to actual use through the above operation, so as to facilitate knocking at different places, the metal hammer head 5 is impacted in the process of knocking, so as to drive the telescopic block 802 to move horizontally, then the sliding block 804 moves synchronously, and the sliding block 804 moves horizontally at the same time, so that the damping block 805 slides in the inside of the guide groove 801, the damping block 805 is provided on one hand to limit the moving sliding block 804, so as to avoid the position deviation of the moving sliding block 804, and on the other hand, the moving sliding block 804 is guided, so as to improve the stability during movement, and the sliding block 804 moves horizontally at the same time, so that the protective spring 803 is extruded and compressed, the influence of the impact force on the metal hammer head 5 is reduced through the above operation, so as to protect the metal hammer head 5, then the service life of the metal hammer head 5 is improved, so as to reduce the maintenance and replacement cost;
[0041] Then, when a metal hammer head 5 of a different model needs to be replaced, the adjusting rod 1002 is pulled to make the baffle 1006 move upward, and the baffle 1006 moves upward at the same time, on the one hand, extruding the reset spring 1004, so that the reset spring 1004 is compressed by the extrusion force, and on the other hand, driving the limiting rod 1005 to move upward synchronously, so that the limiting rod 1005 exits the inside of the limiting slot 1001 and enters the inside of the mounting block 1003, and the above operation releases the limiting of the metal hammer head 5, so as to facilitate the removal of the metal hammer head 5 from the fixed block 6, and then the metal hammer head 5 of a different model is inserted into the inside of the insertion slot 9, and then the adjusting rod 1002 is loosened, so that the extrusion force of the reset spring 1004 disappears, and then the baffle 1006 is pushed to move downward, so that the limiting rod 1005 is inserted into the inside of the limiting slot 1001, thereby limiting the metal hammer head 5 of a different model, and the above operation facilitates the replacement of the metal hammer head 5 of a different model according to the actual use condition, so as to face different use conditions, thereby improving the flexibility.
[0042] In the description of the present application, it should be pointed out that, unless otherwise explicitly specified and limited, the terms "mounting", "connection" and "connection" should be understood broadly, for example, it can be fixed connection, or detachable connection, or integrally connected; it can be mechanical connection, or electrical connection; it can be directly connected, or indirectly connected through intermediate medium, or the communication between two elements. For ordinary skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.
[0043] The device embodiments described above are only schematic, wherein the units described as separate components can or can not be physically separate, and the components shown as units can or can not be physical units, that is, they can be located in one place, or distributed on multiple network units. Part or all of the modules can be selected to achieve the purpose of the present embodiment scheme according to actual needs. Those skilled in the art can understand and implement without creative labor.
[0044] Finally, it should be pointed out that: the above examples are only used to illustrate the technical scheme of the present application, but not to limit it; although the present application has been described in detail with reference to the foregoing examples, those skilled in the art should understand that: it can still modify the technical scheme recorded in the foregoing examples, or make equivalent replacement for part of the technical features; and these modifications or replacements do not make the essence of the corresponding technical scheme deviate from the spirit and scope of the technical scheme of the present application.
Claims
1. A handle-adjustable hammer, comprising a fixed rod (1), a non-slip sleeve (2), a round buckle (3), and telescopic rods (4), the outer side of the fixed rod (1) is sleeved with the non-slip sleeve (2), the bottom end of the fixed rod (1) is fixed with the round buckle (3), the inside of the fixed rod (1) is slidably provided with the telescopic rods (4), and the telescopic rods (4) are provided in plurality, and the telescopic rods (4) are all hollow structures; characterized in that the top end of the telescopic rod (4) is welded with a connecting rod (7), the two sides of the connecting rod (7) are both provided with a protection mechanism (8), one side of the protection mechanism (8) is fixed with a fixed block (6), one side of the fixed block (6) is provided with a metal hammer head (5), one side of the metal hammer head (5) is fixed with a slot (9), and the two sides of the inside of the fixed block (6) are both provided with a limiting mechanism (10).
2. A handle adjustable claw hammer as defined in claim 1 wherein: The protection mechanism (8) comprises protection springs (803), and the protection springs (803) are arranged in the inside of the connecting rod (7), one side of the protection spring (803) is fixed with a sliding block (804), one side of the sliding block (804) is fixed with a telescopic block (802), one side of the telescopic block (802) is fixedly connected with the fixed block (6), the two sides of the sliding block (804) are both fixed with a damping block (805), the outer side of the damping block (805) is provided with a guide groove (801), and the guide groove (801) is formed in the inside of the connecting rod (7).
3. A handle adjustable claw hammer as defined in claim 2 wherein: The protection springs (803) are provided in two, the two protection springs (803) are symmetrically distributed, and the two protection springs (803) are both in a stretched state in the inside of the connecting rod (7).
4. A handle adjustable claw hammer as defined in claim 2 wherein: The inside of the guide groove (801) is adhered with a damping strip, the damping block (805) slides in the guide groove (801), and the sliding block (804) is slidably connected with the connecting rod (7) through the damping block (805) and the guide groove (801).
5. A handle adjustable claw hammer as defined in claim 1 wherein: The limiting mechanism (10) comprises a mounting block (1003), and the mounting block (1003) is arranged in the inside of the fixed block (6), the inside of the mounting block (1003) is provided with a baffle (1006), one end of the baffle (1006) is fixed with an adjusting rod (1002), one end of the adjusting rod (1002) extends to the outside of the fixed block (6), the outer side of the adjusting rod (1002) is uniformly wound with a reset spring (1004), one end of the reset spring (1004) is fixedly connected with the inner wall of the mounting block (1003), the other end of the reset spring (1004) is fixedly connected with the baffle (1006), the bottom end of the baffle (1006) is fixed with a limiting rod (1005), the outer side of the limiting rod (1005) is provided with a limiting groove (1001), and the limiting groove (1001) is formed in the inside of the slot (9).
6. A handle adjustable claw hammer as defined in claim 5 wherein: The reset spring (1004) is provided in two groups, each group of the reset spring (1004) is provided with two, and each group of the reset spring (1004) is symmetrically distributed.
7. A handle adjustable claw hammer as defined in claim 5 wherein: The baffle (1006) is provided with two groups, each group of the baffle (1006) is provided with two, and the outer edge of each group of the baffle (1006) is slidably attached to the inner wall of the mounting block (1003).
8. A handle adjustable claw hammer as defined in claim 1 wherein: The fixed rod (1) and the plurality of telescopic rods (4) are internally provided with clamping grooves, and the outer surfaces of the lower ends of the plurality of telescopic rods (4) are provided with clamping blocks, and the clamping grooves and the clamping blocks are matched.