Portable rebound apparatus

Abstract

The utility model discloses a portable rebound apparatus which comprises a rebound apparatus body, a holding sleeve and a sleeve, and a striking rod is arranged at the front end of the rebound apparatus body; the holding sleeve is arranged at the part, close to the elastic rod, of the front end of the rebound apparatus body, the holding sleeve is connected with the surface of the rebound apparatus body through a plurality of first springs, and the holding sleeve can reciprocate in the direction of the rebound apparatus body; the sleeve is oppositely arranged at the rear end of the rebound apparatus body, the sleeve is connected with the other end of the rebound apparatus body through a plurality of second springs, and the sleeve can reciprocate in the direction of the rebound apparatus body. According to the utility model, the technical problem that the holding part of the stable resiliometer is lack of a damping structure is solved, and the technical effect of damping protection is achieved.

Description

Technical Field

[0001] The utility model relates to the technical field of rebound hammers, in particular to a portable rebound hammer. Background Art

[0002] The basic principle of the rebound hammer is to use a spring to drive a heavy hammer. The heavy hammer hits the impact rod in vertical contact with the concrete surface with constant kinetic energy, causing the local concrete to deform and absorb part of the energy, and the other part of the energy is converted into the rebound kinetic energy of the heavy hammer. When the rebound kinetic energy is completely converted into potential energy, the heavy hammer rebounds to the maximum distance. The instrument displays the maximum rebound distance of the heavy hammer in the name of the rebound value (the ratio of the maximum rebound distance to the initial length of the spring).

[0003] In the prior art, the shock absorption of the rebound hammer only considers the shock absorption of the grip of the rebound hammer, but does not consider the shock absorption of the grip of the rebound hammer. Utility Model Content

[0004] The present application provides a portable rebound tester, which is used to solve the technical problem of lack of a shock-absorbing structure at the grip of a stable rebound tester.

[0005] The present application provides a portable rebound tester, comprising: a rebound tester body, a grip sleeve and a sleeve, wherein a rebound rod is provided at the front end of the rebound tester body; the grip sleeve is provided at a portion of the front end of the rebound tester body close to the rebound rod, the grip sleeve is connected to the surface of the rebound tester body through a plurality of first springs, and the grip sleeve can reciprocate along the direction of the rebound tester body; the sleeve is relatively provided at the rear end of the rebound tester body, the sleeve is connected to the other end of the rebound tester body through a plurality of second springs, and the sleeve can reciprocate along the direction of the rebound tester body.

[0006] By adopting the above technical solution, a grip cover and a sleeve are respectively arranged at the gripping part of the rebound tester body, and the first spring and the second spring are arranged to be connected with the rebound tester housing, so as to buffer the vibration during the use of the rebound tester and realize the protection of the user.

[0007] Preferably, the diameter of one end of the grip sleeve close to the impact rod is smaller than the diameter of the other end of the grip sleeve away from the impact rod, the diameter of the grip sleeve is larger than the diameter of the rebound instrument body in the longitudinal section, and the inner end surface of the grip sleeve is parallel to the outer surface of the rebound instrument body; wherein, when the grip sleeve compresses the first spring to the maximum, the grip sleeve fits against the shell of the rebound instrument body.

[0008] By adopting the above technical solution, a grip sleeve adapted to the shell of the rebound tester body is provided, the grip sleeve and the shell are fitted together, the holding temperature during use is achieved, and the use stability of the equipment is improved.

[0009] Preferably, four holes are evenly arranged on the shell of the rebound tester body close to the impact rod, the four holes are arranged along the axial direction of the rebound tester body, and a first spring is arranged in the four holes, one end of the first spring is connected to the inner end surface of the grip sleeve.

[0010] By adopting the above technical solution, four holes with the first spring inside are arranged on the shell of the rebound tester body close to the impact rod, so as to realize elastic support for the grip sleeve, buffer the vibration generated during the use of the rebound tester, and realize protection for the operator.

[0011] Preferably, a scale area is provided on the shell of the rebound hammer body, the scale area is raised relative to the shell of the rebound hammer body, and a pointer is provided in the scale area to connect with the impact rod.

[0012] By adopting the above technical solution, a relatively raised scale area is provided on the rebound tester housing, so that the test data can be clearly displayed, the accuracy of the test data is ensured, and the reliability of the equipment is improved.

[0013] Preferably, a protective cover is detachably provided on one end of the rebound tester body close to the impact rod. In a normal state, one end of the protective cover is located at the impact rod, and the other end abuts against one end of the grip sleeve close to the impact rod.

[0014] By adopting the above technical solution, a protective cover is provided at one end of the impact rod of the rebound tester body, thereby protecting the impact rod and improving the portability of the device.

[0015] One or more technical solutions provided in this application have at least the following technical effects or advantages:

[0016] 1. A grip sleeve and a sleeve are respectively arranged at the gripping part of the rebound tester body, and are connected to the rebound tester housing by arranging a first spring and a second spring, so as to buffer the vibration during the use of the rebound tester and realize the protection of the user;

[0017] 2. A relatively raised scale area is set on the rebound tester shell to achieve a clear display of the test data, ensure the accuracy of the test data, and improve the reliability of the equipment;

[0018] 3. A protective cover is provided at one end of the impact rod of the rebound tester body to protect the impact rod and improve the portability of the equipment. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the following briefly introduces the drawings required for use in the description of the embodiments. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.

[0020] Figure 1 One of the axonometric views of a portable rebound tester provided in the present application;

[0021] Figure 2 A cross-sectional view of a portable rebound tester provided in the present application;

[0022] Figure 3 The second is an axonometric view of a portable rebound tester provided in this application;

[0023] Figure 4 An axonometric view of a grip sleeve of a portable rebound tester provided in the present application.

[0024] Explanation of the reference numerals: 1. Rebound tester body; 11. Rebound rod; 12. Scale area; 2. Grip; 3. Sleeve; 41. First spring; 42. Second spring; 5. Protective cover. DETAILED DESCRIPTION

[0025] The present application provides a portable rebound tester, which is used to solve the technical problem of the lack of a shock-absorbing structure at the grip of the stable rebound tester in the prior art.

[0026] The following will be combined with the drawings in the embodiments of the present application to clearly and completely describe the technical solutions in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all of the embodiments. Based on the embodiments in the present application, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of this application.

[0027] It should be noted that the terms "first", "second", etc. in the specification and claims of the present application and the above-mentioned drawings are used to distinguish similar objects, and are not necessarily used to describe a specific order or sequence. It should be understood that the data used in this way can be interchangeable where appropriate, so that the embodiments of the present application described herein can be implemented in an order other than those illustrated or described herein. In addition, the terms "including" and "having" and any variations thereof are intended to cover non-exclusive inclusions, for example, a process, method, system, product, or server that includes a series of steps or units is not necessarily limited to those steps or units that are clearly listed, but may include other steps or modules that are not clearly listed or inherent to these processes, methods, products, or devices.

[0028] like Figures 1 to 4The embodiment of the present application shown provides a portable rebound tester, comprising: a rebound tester body 1, a grip sleeve 2 and a sleeve 3, wherein a rebound rod 11 is provided at the front end of the rebound tester body 1; the grip sleeve 2 is provided at a portion of the front end of the rebound tester body 1 close to the rebound rod 11, the grip sleeve 2 is connected to the surface of the rebound tester body 1 through a plurality of first springs 41, and the grip sleeve 2 can reciprocate along the direction of the rebound tester body 1; the sleeve 3 is relatively provided at the rear end of the rebound tester body 1, the sleeve 3 is connected to the other end of the rebound tester body 1 through a plurality of second springs 42, and the sleeve 3 can reciprocate along the direction of the rebound tester body 1.

[0029] The rebound tester is a common device on the market. Its operating principle is to use a spring to drive a heavy hammer. The heavy hammer hits the impact rod in vertical contact with the concrete surface with constant kinetic energy, causing the local concrete to deform and absorb part of the energy, and the other part of the energy is converted into the rebound kinetic energy of the heavy hammer. When the rebound kinetic energy is completely converted into potential energy, the heavy hammer rebounds to the maximum distance. The instrument displays the maximum rebound distance of the heavy hammer in the name of the rebound value (the ratio of the maximum rebound distance to the initial length of the spring).

[0030] More preferably, in the embodiment provided in the present application, a grip sleeve 2 is provided on the outer shell of the rebound meter body 1 near the impact rod 11, the grip sleeve 2 has the same shape as the outer shell of the rebound meter body 1, and is funnel-shaped. The grip sleeve 2 is connected to the rebound meter shell through four first springs 41, and a sleeve 3 is provided on the end of the rebound meter body 1 away from the impact rod 11, and the sleeve 3 is connected to the rebound meter shell through four second springs 42. During use, the operator holds the grip sleeve 2 with one hand and puts the other hand on the sleeve 3, and pushes the rebound meter through the sleeve 3. When the rebound meter completes the measurement, the vibration generated when the impact rod 11 is retracted is buffered by the first spring 41 and the second spring 42, and further buffered by the connection between the grip sleeve 2 and the sleeve 3 and the rebound meter through the first spring 41 and the second spring 42.

[0031] In this embodiment, by respectively providing a grip sleeve 2 and a sleeve 3 at the gripping portion of the rebound tester body 1, and by providing a first spring 41 and a second spring 42 connected to the rebound tester housing, vibration buffering during the use of the rebound tester is achieved, thereby realizing protection for the user.

[0032] like Figures 1 to 4 The embodiment of the present application shown provides a portable rebound tester, including: the diameter of one end of the grip 2 close to the impact rod 11 is smaller than the diameter of the other end of the grip 2 away from the impact rod 11, the diameter of the grip 2 in the longitudinal section is larger than the diameter of the rebound tester body 1, and the inner end surface of the grip 2 is parallel to the outer surface of the rebound tester body 1; wherein, when the grip 2 compresses the first spring 41 to the maximum, the grip 2 fits the shell of the rebound tester body 1.

[0033] More preferably, in the embodiment provided in the present application, the grip sleeve 2 is a funnel-shaped structure with one end larger than the other end. The inner end surface of the grip sleeve 2 is arranged around the shell of the rebound tester body 1 and is parallel to the shell surface. During use, when the operator pushes the rebound tester, the grip sleeve 2 compresses the first spring 41 and fits against the surface of the rebound tester.

[0034] In this embodiment, by providing a grip sleeve 2 adapted to the shell of the rebound tester body 1, the grip sleeve 2 and the shell are fitted together, the holding temperature during use is achieved, and the use stability of the device is improved.

[0035] like Figures 1 to 4 The embodiment of the present application shown provides a portable rebound tester, including: four holes are evenly arranged on the shell of the rebound tester body 1 close to the impact rod 11, the four holes are arranged along the axial direction of the rebound tester body 1, and a first spring 41 is arranged in the four holes, and one end of the first spring 41 is connected to the inner end surface of the grip sleeve 2.

[0036] More preferably, in the embodiment provided in the present application, four holes are provided on the shell of the rebound tester body 1 near the impact rod 11, and the axial directions of the four holes are parallel to the axial direction of the rebound tester body 1. A first spring 41 is provided in the four holes, and the first spring 41 can be telescopically moved in the hole along the axial direction of the rebound tester body 1, and one end of the first spring 41 is connected to the hole, and the other end is connected to the inner end surface of the grip sleeve 2.

[0037] In this embodiment, four holes with the first spring 41 inside are provided on the shell of the rebound tester body 1 close to the impact rod 11, so as to realize elastic support for the grip sleeve 2, buffer the vibration generated during the use of the rebound tester, and protect the operator.

[0038] like Figures 1 to 4 The embodiment of the present application provides a portable rebound tester, comprising: a scale area 12 is provided on the shell of the rebound tester body 1, the scale area 12 is protruded relative to the shell of the rebound tester body 1, and a pointer is provided in the scale area 12 and connected to the impact rod 11.

[0039] More preferably, in the embodiment provided in the present application, a scale area 12 is provided on the shell of the rebound tester body 1, a pointer in the scale area 12 is connected to the impact rod 11, and the scale area 12 is raised relative to the shell of the rebound tester body 1. During use, the operator completes the reading of data through the scale area 12.

[0040] In this embodiment, by providing a relatively raised scale area 12 on the rebound hammer housing, a clear display of the test data is achieved, the accuracy of the test data is ensured, and the reliability of the equipment is improved.

[0041] like Figures 1 to 4The embodiment of the present application shown provides a portable rebound instrument, including: a protective cover 5 is detachably provided on one end of the rebound instrument body 1 close to the impact rod 11. In a normal state, one end of the protective cover 5 is located at the impact rod 11, and the other end abuts against the end of the grip sleeve 2 close to the impact rod 11.

[0042] Preferably, in the embodiment provided in the present application, a protective cover 5 is provided on one end of the rebound tester body 1 close to the impact rod 11. During use, the protective cover 5 is sleeved on one end of the impact rod 11 to protect the impact rod 11. When in use, the operator removes the protective cover 5 to use the rebound tester normally.

[0043] In this embodiment, by providing a protective cover 5 at one end of the impact rod 11 of the rebound tester body 1, the impact rod 11 is protected and the portability of the device is improved.

[0044] It should be noted that the above-mentioned sequence of the embodiments of the present application is only for description and does not represent the advantages and disadvantages of the embodiments. And the above-mentioned specific embodiments of this specification are described. Other embodiments are within the scope of the attached claims. In some cases, the actions or steps recorded in the claims can be performed in an order different from that in the embodiments and still achieve the desired results. In addition, the processes depicted in the drawings do not necessarily require the specific order or continuous order shown to achieve the desired results. In some embodiments, multitasking and parallel processing are also possible or may be advantageous.

[0045] The above description is only a preferred embodiment of the present application and is not intended to limit the present application. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present application should be included in the protection scope of the present application.

[0046] This specification and drawings are merely exemplary illustrations of the present application and are deemed to cover any and all modifications, variations, combinations or equivalents within the scope of the present application. Obviously, a person skilled in the art may make various modifications and variations to the present application without departing from the scope of the present application. Thus, if these modifications and variations of the present application fall within the scope of the present application and its equivalents, the present application intends to include these modifications and variations.

Claims

1. A portable rebound tester, characterized in that: include: A rebound tester body (1), a grip sleeve (2) and a sleeve (3), wherein a rebound rod (11) is provided at the front end of the rebound tester body (1); The grip sleeve (2) is arranged on the front end of the rebound tester body (1) near the impact rod (11), and the grip sleeve (2) is connected to the surface of the rebound tester body (1) via a plurality of first springs (41). The grip sleeve (2) can reciprocate along the direction of the rebound tester body (1); The sleeve (3) is relatively arranged on the rear end of the rebound tester body (1); the sleeve (3) is connected to the other end of the rebound tester body (1) via a plurality of second springs (42); and the sleeve (3) can reciprocate along the direction of the rebound tester body (1).

2. A portable rebound tester as claimed in claim 1, characterized in that: The diameter of one end of the grip sleeve (2) close to the impact rod (11) is smaller than the diameter of the other end of the grip sleeve (2) away from the impact rod (11); the diameter of the grip sleeve (2) in the longitudinal section is larger than the diameter of the rebound tester body (1); the inner end surface of the grip sleeve (2) is parallel to the outer surface of the rebound tester body (1); When the grip sleeve (2) compresses the first spring (41) to the maximum, the grip sleeve (2) fits the shell of the rebound tester body (1).

3. A portable rebound tester as claimed in claim 2, characterized in that: Four holes are evenly arranged on the shell of the rebound tester body (1) near the impact rod (11), and the four holes are arranged along the axial direction of the rebound tester body (1). A first spring (41) is arranged in each of the four holes, and one end of the first spring (41) is connected to the inner end surface of the grip sleeve (2).

4. A portable rebound tester as claimed in claim 3, characterized in that: A scale area (12) is provided on the shell of the rebound hammer body (1), the scale area (12) is protruding relative to the shell of the rebound hammer body (1), and a pointer is provided in the scale area (12) and is connected to the impact rod (11).

5. A portable rebound tester as claimed in claim 4, characterized in that: A protective cover (5) is detachably provided on one end of the rebound tester body (1) near the impact rod (11); in a normal state, one end of the protective cover (5) is located at the impact rod (11), and the other end abuts against one end of the grip sleeve (2) near the impact rod (11).

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