Hollow drum hammer for building supervision
By introducing the design of positioning springs and rotating shafts into the hollow hammer, combined with the structure of the telescopic sleeve rod and fixing button, the direction and length adjustment of the hammer head are achieved, solving the problem that the existing hollow hammer cannot change the angle and short service life. The problem is applicable to a variety of construction projects.
Patent Information
- Application Number
- CN202420589877.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-03-26
- Publication Date
- 2025-01-14
- Estimated Expiration
- 2034-03-26
AI Technical Summary
The existing hollow hammers for construction supervision cannot be changed, and cannot be used in a variety of construction projects. The service life is short and the wear between the clamping components and the sliding rod is relatively large when adjusting the length.
A hollow hammer including a hammer head, a connecting assembly, a telescopic assembly and a fixing assembly is designed. The hammer head direction is adjusted through the positioning spring and the rotating shaft. A combined structure of a telescopic sleeve rod and a fixing button is adopted to ensure that the hammer head is in use. There is no offset when it is used, and length adjustment is achieved through springs and fixed grooves.
The angle adjustment and length adjustment of the hollow hammer is realized, which extends the service life and is suitable for a variety of construction projects, solving the problem that the existing hollow hammer cannot change the angle.
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Figure CN222353847U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of building supervision, in particular to a hollow drum hammer for building supervision. Background Art
[0002] Hollowing is caused by the presence of air in the original masonry and powder ash layer. During detection, use a hollowing hammer or a hard object to tap the plaster layer and leveling layer, and a thudding sound is heard, which is hollowing. Currently, most hollowing hammers on the market adjust the length by the friction between the telescopic sleeves to tightly fix them. They are easily worn out with use, causing instability, and have a short service life.
[0003] The existing announcement number CN217007122U discloses a hollow drum hammer for construction supervision, comprising a handle, a sleeve rod is fixedly connected to the top of the handle, a sliding rod whose top extends to the outside of the sleeve rod is slidably connected to the inner cavity of the sleeve rod, and a clamping assembly that is clamped with the sliding rod is fixedly connected to the left and right sides of the sleeve rod, a hammer head is fixedly connected to the left side of the sliding rod, and a fixing assembly is fixedly connected to the right side of the sliding rod. When using the hollow drum hammer for construction supervision, the handle is held, and the wall is knocked with the hammer head, and then the hollow place is marked with chalk. If the length needs to be adjusted, the two clamping assemblies are pressed to disengage the clamping assembly from the sliding rod, and the sliding rod can be moved upward to change the overall length, and then the sliding rod is fixed by clamping the clamping assembly with the sliding rod. During the process of adjusting the length, the wear between the clamping assembly and the sliding rod is small, thereby achieving the purpose of long service life of the hollow drum hammer for construction supervision.
[0004] However, when the above hollow hammer for construction supervision is in use, the angle of the hollow hammer cannot be changed, and the hollow hammer cannot be applied to a variety of construction engineering scenes. Utility Model Content
[0005] The utility model aims to provide a hollow drum hammer for construction supervision, which solves the problem that the hollow drum hammer for construction supervision cannot change its angle when in use, and cannot be applied to a variety of construction engineering scenes.
[0006] To achieve the above-mentioned purpose, the utility model provides a hollow hammer for construction supervision, comprising a hammer head, a connecting assembly, a telescopic assembly and a fixed assembly; the connecting assembly comprises a connecting rod, a rotating shaft, a connecting column, a positioning plate and a positioning spring, the connecting rod is fixedly connected to the hammer head and is located at the bottom of the hammer head, the rotating shaft is rotatably connected to the connecting rod and is located at an end of the connecting rod away from the hammer head, the connecting column is slidably connected to the rotating shaft and is located on the outside of the rotating shaft, the positioning spring is fixedly connected to the connecting column and is located inside the connecting column, the positioning plate is fixedly connected to the positioning spring and is located between the positioning spring and the connecting rod, the telescopic assembly is connected to the connecting column, and the fixed assembly is connected to the telescopic assembly.
[0007] Wherein, the telescopic assembly includes a No. 1 sleeve rod, a No. 2 sleeve rod and a hand-held sleeve rod, the No. 1 sleeve rod is slidably connected to the connecting column and is located on the outside of the connecting column, the No. 2 sleeve rod is slidably connected to the No. 1 sleeve rod and is located on the outside of the No. 1 sleeve rod, and the hand-held sleeve rod is slidably connected to the No. 2 sleeve rod and is located on the outside of the No. 2 sleeve rod.
[0008] Wherein, a fixing hole is respectively arranged on the surface of the No. 1 sleeve rod and the No. 2 sleeve rod, and a fixing groove is arranged on the surface of the No. 2 sleeve rod.
[0009] Wherein, the fixing assembly includes a fixing seat, a fixing plate, a fixing spring and a fixing button; the fixing seat is fixedly connected to the hand-held sleeve rod and is located on the outside of the hand-held sleeve rod; the fixing plate is rotatably connected to the fixing seat and is located inside the fixing seat; the fixing spring is fixedly connected to the fixing plate and is located on a side of the fixing plate away from the fixing groove; there are two fixing buttons, which are respectively fixedly connected to the connecting column and the No. 1 sleeve rod and are respectively located in the fixing holes.
[0010] Among them, the hollow drum hammer for construction supervision also includes a connecting seat, which is fixedly connected to the hand-held sleeve rod and is located at an end of the hand-held sleeve rod away from the No. 2 sleeve rod. A connecting hole is arranged on the surface of the connecting seat.
[0011] The utility model discloses a hollow hammer for construction supervision, the connecting rod provides support for the hammer head, the rotating shaft provides a rotating effect for the connecting rod, the connecting column connects the connecting component with the telescopic component, the positioning spring provides elastic force for the positioning plate, and the positioning plate is pressed on the bottom of the connecting rod, so as to achieve the purpose that the connecting rod does not deviate when the hollow hammer is used; when it is necessary to change the direction of the hammer head, the positioning plate is pressed down, and the direction of the hammer head is changed by rotating the connecting rod, so as to achieve the purpose of facilitating the adjustment of the direction of the hammer head, and solves the problem that the hollow hammer for construction supervision cannot change its angle when in use, and cannot be applied to a variety of construction engineering scenes. BRIEF DESCRIPTION OF THE DRAWINGS
[0012] In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art are briefly introduced below.
[0013] Figure 1 The utility model is a schematic diagram of the overall structure of a hollow drum hammer for construction supervision according to the first embodiment of the utility model.
[0014] Figure 2 It is a structural schematic diagram of the telescopic assembly of the first embodiment of the utility model.
[0015] Figure 3 It is a structural schematic diagram of a connecting assembly of the first embodiment of the utility model.
[0016] Figure 4 It is a structural schematic diagram of the fixing assembly of the first embodiment of the utility model.
[0017] Figure 5 It is a structural schematic diagram of a hand-held sleeve rod and a connecting seat according to a second embodiment of the utility model.
[0018] In the figure: 101-hammer, 102-connecting rod, 103-rotating shaft, 104-connecting column, 105-positioning plate, 106-positioning spring, 107-No. 1 sleeve rod, 108-No. 2 sleeve rod, 109-hand-held sleeve rod, 110-fixing hole, 111-fixing groove, 112-fixing seat, 113-fixing plate, 114-fixing spring, 115-fixing button, 201-connecting seat, 202-connecting hole. DETAILED DESCRIPTION
[0019] Embodiments of the present invention are described in detail below, and examples of the embodiments are shown in the accompanying drawings. The embodiments described below with reference to the accompanying drawings are exemplary and are intended to be used to explain the present invention, but should not be understood as limiting the present invention.
[0020] The first embodiment of the present application is:
[0021] See also Figures 1 to 4 ,in, Figure 1 This is a schematic diagram of the overall structure of a hollow hammer for construction supervision in the first embodiment of the utility model. Figure 2 is a schematic structural diagram of a telescopic assembly of a first embodiment of the utility model, Figure 3 is a schematic structural diagram of a connection assembly of the first embodiment of the utility model, Figure 4 It is a structural schematic diagram of the fixing component of the first embodiment of the utility model. The utility model provides a hollow drum hammer for construction supervision, including a hammer head 101, a connecting component, a telescopic component and a fixing component. The connecting component includes a connecting rod 102, a rotating shaft 103, a connecting column 104, a positioning plate 105 and a positioning spring 106. The telescopic component includes a No. 1 sleeve rod 107, a No. 2 sleeve rod 108 and a hand-held sleeve rod 109. The fixing component includes a fixing seat 112, a fixing plate 113, a fixing spring 114 and a fixing button 115. The above-mentioned scheme solves the problem that the hollow drum hammer for construction supervision cannot change its angle when in use, and the hollow drum hammer cannot be applied to a variety of construction engineering scenes. It can be understood that the above-mentioned scheme can be used in the scene where the hollow drum hammer is used, and can also be used to solve the problem of the hollow drum hammer being easy to carry.
[0022] According to this specific embodiment, the connecting rod 102 is fixedly connected to the hammer head 101 and is located at the bottom of the hammer head 101. The rotating shaft 103 is rotatably connected to the connecting rod 102 and is located at the end of the connecting rod 102 away from the hammer head 101. The connecting column 104 is slidably connected to the rotating shaft 103 and is located on the outside of the rotating shaft 103. The positioning spring 106 is fixedly connected to the connecting column 104 and is located inside the connecting column 104. The positioning plate 105 is fixedly connected to the positioning spring 106 and is located between the positioning spring 106 and the connecting rod 102. The telescopic component is connected to the connecting column 104. The fixed component is connected to the telescopic component, the connecting rod 102 provides support for the hammer head 101, the rotating shaft 103 provides a rotating effect for the connecting rod 102, the connecting column 104 connects the connecting component with the telescopic component, and the positioning spring 106 provides elastic force for the positioning plate 105, pressing the positioning plate 105 on the bottom of the connecting rod 102, thereby achieving the purpose of preventing the connecting rod 102 from deviating when using a hollow hammer. When it is necessary to change the direction of the hammer head 101, the positioning plate 105 is pressed down, and the direction of the hammer head 101 is changed by rotating the connecting rod 102, thereby achieving the purpose of facilitating the adjustment of the direction of the hammer head 101.
[0023] Among them, the No. 1 sleeve rod 107 is slidably connected to the connecting column 104 and is located on the outside of the connecting column 104, the No. 2 sleeve rod 108 is slidably connected to the No. 1 sleeve rod 107 and is located on the outside of the No. 1 sleeve rod 107, and the hand-held sleeve rod 109 is slidably connected to the No. 2 sleeve rod 108 and is located on the outside of the No. 2 sleeve rod 108. When it is necessary to detect a high place, the No. 1 sleeve rod 107 and the No. 2 sleeve rod 108 can be pulled out of the hand-held sleeve rod 109 respectively to achieve the purpose of extending the hammer head 101.
[0024] Secondly, a fixing hole 110 is respectively provided on the surface of the No. 1 sleeve rod 107 and the No. 2 sleeve rod 108, and a fixing groove 111 is provided on the surface of the No. 2 sleeve rod 108. The fixing hole 110 is used to fix the connecting column 104 and the No. 1 sleeve rod 107 and the No. 1 sleeve rod 107 and the No. 2 sleeve rod 108, and the fixing groove 111 is used to fix the No. 2 sleeve rod 108 and the hand-held sleeve rod 109.
[0025] Again, the fixing seat 112 is fixedly connected to the hand-held sleeve rod 109 and is located on the outside of the hand-held sleeve rod 109. The fixing plate 113 is rotatably connected to the fixing seat 112 and is located inside the fixing seat 112. The fixing spring 114 is fixedly connected to the fixing plate 113 and is located on the side of the fixing plate 113 away from the fixing groove 111. There are two fixing buttons 115, which are fixedly connected to the connecting column 104 and the No. 1 sleeve rod 107, respectively, and are located in the fixing holes 110, respectively. The fixing seat 112 provides support for the fixing plate 113, and the fixing plate 113 is used to fix and limit the No. 2 sleeve rod 108. After the No. 2 sleeve rod 108 is pulled out, the elastic force provided by the fixing spring 114 causes the fixing plate 113 to move down at one end close to the fixing slot 111 and be inserted into the fixing slot 111, thereby achieving the purpose of fixing the No. 2 sleeve rod 108. The connecting column 104 and the No. 1 sleeve rod 107 and the No. 1 sleeve rod 107 and the No. 2 sleeve rod 108 are fixed by the fixing button 115.
[0026] A hollow hammer for construction supervision is used according to the present embodiment, wherein the connecting rod 102 provides support for the hammer head 101, the rotating shaft 103 provides a rotating effect for the connecting rod 102, the connecting column 104 connects the connecting assembly with the telescopic assembly, and the positioning spring 106 provides elastic force for the positioning plate 105, pressing the positioning plate 105 on the bottom of the connecting rod 102, thereby achieving the purpose of preventing the connecting rod 102 from deviating when the hollow hammer is used. When it is necessary to change the direction of the hammer head 101, the positioning plate 105 is pressed down, and the direction of the hammer head 101 is changed by rotating the connecting rod 102, thereby achieving the purpose of facilitating the adjustment of the direction of the hammer head 101, and solving the problem that the hollow hammer for construction supervision cannot change its angle when in use, and cannot be applied to a variety of construction engineering scenes.
[0027] The second embodiment of the present application is:
[0028] Based on the first embodiment, please refer to Figure 5 ,in, Figure 5 It is a structural schematic diagram of a hand-held sleeve rod and a connecting seat according to a second embodiment of the utility model.
[0029] The hollow hammer for construction supervision in this embodiment further includes a connecting seat 201 .
[0030] According to this specific embodiment, the connecting seat 201 is fixedly connected to the hand-held sleeve rod 109 and is located at the end of the hand-held sleeve rod 109 away from the No. 2 sleeve rod 108. A connecting hole 202 is provided on the surface of the connecting seat 201. The connecting seat 201 provides support for the external strap, and the external strap can pass through the connecting hole 202, so that the staff can carry this hollow drum hammer conveniently.
[0031] When using a hollow hammer for construction supervision according to the present embodiment, the connecting seat 201 provides support for the external binding strap, and the external binding strap can pass through the connecting hole 202, so that the staff can carry the hollow hammer easily.
[0032] What is disclosed above is only one or more preferred embodiments of the present application, and cannot be used to limit the scope of rights of the present application. Ordinary technicians in this field can understand that all or part of the processes of implementing the above embodiments and equivalent changes made according to the claims of the present application are still within the scope covered by the present application.
Claims
1. A hollow hammer for construction supervision, comprising a hammer head, characterized in that: It also includes a connecting component, a telescopic component and a fixing component; The connecting assembly includes a connecting rod, a rotating shaft, a connecting column, a positioning plate and a positioning spring. The connecting rod is fixedly connected to the hammer head and is located at the bottom of the hammer head. The rotating shaft is rotatably connected to the connecting rod and is located at an end of the connecting rod away from the hammer head. The connecting column is slidably connected to the rotating shaft and is located on the outside of the rotating shaft. The positioning spring is fixedly connected to the connecting column and is located inside the connecting column. The positioning plate is fixedly connected to the positioning spring and is located between the positioning spring and the connecting rod. The telescopic assembly is connected to the connecting column, and the fixed assembly is connected to the telescopic assembly.
2. A hollow drum hammer for construction supervision as claimed in claim 1, characterized in that: The telescopic assembly includes a No. 1 sleeve rod, a No. 2 sleeve rod and a hand-held sleeve rod. The No. 1 sleeve rod is slidably connected to the connecting column and is located on the outside of the connecting column. The No. 2 sleeve rod is slidably connected to the No. 1 sleeve rod and is located on the outside of the No. 1 sleeve rod. The hand-held sleeve rod is slidably connected to the No. 2 sleeve rod and is located on the outside of the No. 2 sleeve rod.
3. A hollow drum hammer for construction supervision as claimed in claim 2, characterized in that: A fixing hole is respectively arranged on the surface of the No. 1 sleeve rod and the No. 2 sleeve rod, and a fixing groove is arranged on the surface of the No. 2 sleeve rod.
4. A hollow drum hammer for construction supervision as claimed in claim 3, characterized in that: The fixing assembly includes a fixing seat, a fixing plate, a fixing spring and a fixing button. The fixing seat is fixedly connected to the hand-held sleeve rod and is located on the outside of the hand-held sleeve rod. The fixing plate is rotatably connected to the fixing seat and is located inside the fixing seat. The fixing spring is fixedly connected to the fixing plate and is located on a side of the fixing plate away from the fixing groove. There are two fixing buttons, which are respectively fixedly connected to the connecting column and the No. 1 sleeve rod and are respectively located in the fixing holes.
5. A hollow drum hammer for construction supervision as claimed in claim 2, characterized in that: The hollow drum hammer for construction supervision also includes a connecting seat, which is fixedly connected to the hand-held sleeve rod and is located at an end of the hand-held sleeve rod away from the second sleeve rod. A connecting hole is arranged on the surface of the connecting seat.
Citation Information
Patent Citations
Hollow drum hammer for building supervision
CN217007122U