Quick-release type air cylinder structure for electric hammer

Abstract

The utility model relates to the technical field of electric hammer cylinders, and discloses a quick-release cylinder structure for an electric hammer, which comprises a cylinder sleeve component, a cylinder main body movably mounted in the cylinder sleeve component, a piston fixedly mounted on one side of the cylinder main body, and a connecting rod rotationally mounted on one side of the piston, a driving assembly and a sealing cover which are located in the electric hammer are movably installed on one side of the air cylinder sleeve assembly. According to the electric hammer, the sealing cover is moved upwards, the bottom end of the driving rod slides out of the limiting hole and then slides out of the connecting rod, and therefore the air cylinder body can be detached from the opening in the front end of the electric hammer for maintenance without detaching the shell of the electric hammer; the bottom end of the driving rod only needs to penetrate through the connecting rod to be installed on the top of the rotating disc, when the driving assembly drives the rotating disc to rotate, under the elastic force effect of a third spring, the bottom end of the driving rod automatically slides into a limiting hole, and connection drive between the driving assembly and the connecting rod can be rapidly installed.

Description

TECHNICAL FIELD

[0001] The utility model relates to electric hammer cylinder technical field, concretely is a quick detach type cylinder structure for electric hammer. BACKGROUND

[0002] Electric hammer cylinder is the core component of electric hammer, and its structure is mainly composed of cylinder body, piston, connecting rod and valve key parts, and the cylinder assembly realizes reciprocating motion in the inner hole of the rotating sleeve through the back and forth swing of the swing rod bearing swing rod.

[0003] In the process of realizing the present application, the inventor found that at least the following problems exist in the prior art:

[0004] However, the existing electric hammer cylinder is usually fixedly installed in the inside of the cylinder sleeve, and can normally operate after being connected with the driving assembly through the connecting rod. However, when the cylinder needs to be repaired, the shell needs to be disassembled first due to the fixed connection between the connecting rod and the driving assembly, and then the connecting rod and the driving assembly are disassembled, and then the cylinder assembly is disassembled for maintenance, which is not convenient for workers to disassemble quickly, is time-consuming and labor-consuming, and reduces the working efficiency.

[0005] Therefore, the above technical problems need to be solved. CONTENT OF THE UTILITY MODEL

[0006] In view of the deficiencies of the prior art, the utility model provides a quick detach type cylinder structure for electric hammer, which realizes quick disassembly and assembly of the cylinder main body, and solves the problem of reducing working efficiency when the cylinder main body needs to be maintained by disassembling the electric hammer shell and then disassembling the connecting rod and the driving assembly.

[0007] To solve the above technical problems, the utility model provides the following technical scheme:

[0008] A quick detach type cylinder structure for electric hammer, which comprises a cylinder sleeve assembly, a cylinder main body movably installed in the inside of the cylinder sleeve assembly, a piston fixedly installed on one side of the cylinder main body, and a connecting rod rotatably installed on one side of the piston, one side of the cylinder sleeve assembly movably installs a driving assembly and a cover in the inside of the electric hammer, the top of the driving assembly is fixedly installed with a rotating disc, the other side of the top of the rotating disc is provided with a limiting hole, the other side of the bottom of the cover is provided with a second cavity, the inside of the second cavity movably installs a driving rod extending through the connecting rod to the inside of the limiting hole, and the inside of the second cavity is fixedly installed with a third spring.

[0009] Preferably, the outside of one side of the cylinder main body is fixedly installed with a connecting bearing, the one side of the cylinder sleeve assembly is uniformly provided with a circular hole in the form of axis, the outside of the connecting bearing is uniformly fixedly connected with an insertion block in the form of axis, and the insertion block extends to the inside of the circular hole.

[0010] Preferably, the other side of the plug is provided with a groove, the inside of the groove is fixedly provided with a sliding rod, the top and bottom of the sliding rod is movably provided with a sliding plate extending to the outside of the groove, and the outside of the sliding rod is sleeved with a first spring located between the sliding plates.

[0011] Preferably, the front end and the rear end of the cylinder sleeve assembly are provided with a first cavity, the inside of the first cavity is movably provided with a limiting block extending to the outside, and the inside of the first cavity is fixedly provided with a second spring.

[0012] Preferably, the other end of the sliding plate is an inclined surface, and the end of the limiting block away from each other is a circular arc surface.

[0013] Preferably, the outside of the other side of the cylinder sleeve assembly is sleeved with a front cover through threads, and the surface of the front cover is uniformly provided with anti-skid lines.

[0014] Compared with the prior art, the utility model provides a quick release type cylinder structure for electric hammer, has the following beneficial effects: the utility model discloses a drive rod bottom end from the inside of the limiting hole and then from the inside of the connecting rod, so that the electric hammer shell is not needed to be disassembled, and the cylinder main part is disassembled from the opening of the electric hammer front end and is maintained, when the cylinder main part is installed in the electric hammer, only the drive rod bottom end is installed to the top of the rotating disc through the connecting rod, when the driving assembly drives the rotating disc to rotate, under the elastic force of the third spring, the drive rod bottom end is automatically slid into the inside of the limiting hole, the connection drive between the driving assembly and the connecting rod is quickly installed, the quick disassembly and assembly of the cylinder main part are realized, and the problem that when the cylinder main part needs to be maintained, the electric hammer shell needs to be disassembled, then the connecting rod and the driving assembly are disassembled, and finally the cylinder main part is disassembled, reducing the work efficiency is avoided. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is a front view structure schematic diagram of the utility model;

[0016] Figure 2 It is a cylinder main part side view split structure schematic diagram of the utility model;

[0017] Figure 3 It is a plug front view cross section structure schematic diagram of the utility model;

[0018] Figure 4 It is a cylinder sleeve assembly side view cross section structure schematic diagram of the utility model;

[0019] Figure 5 It is a cover front view cross section split structure schematic diagram of the utility model.

[0020] In the figure: 1, cylinder sleeve assembly; 101, cylinder body; 102, piston; 103, connecting bearing; 104, round hole; 105, plug; 106, groove; 107, sliding rod; 108, first spring; 109, sliding plate; 110, connecting rod; 2, first cavity; 201, limiting block; 202, second spring; 3, front cover; 4, driving assembly; 401, rotating disc; 402, limiting hole; 5, cover; 501, second cavity; 502, driving rod; 503, third spring. DETAILED DESCRIPTION

[0021] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0022] As introduced in the background, the deficiencies in the prior art exist. In order to solve the above technical problems, the application provides a quick-release cylinder structure for electric hammer.

[0023] Please refer to Figures 1-5 A quick-release cylinder structure for electric hammer, including cylinder sleeve assembly 1, movable installation in the cylinder sleeve assembly 1 inside the cylinder body 101, fixed installation in the cylinder body 101 one side piston 102 and rotating installation in the piston 102 one side connecting rod 110, the one side movable installation of cylinder sleeve assembly 1 is located in the inside of electric hammer driving assembly 4 and cover 5, the top fixed installation of driving assembly 4 has rotating disc 401, the other side of rotating disc 401 top is provided with limiting hole 402, the other side of cover 5 bottom is provided with second cavity 501, the inside movable installation of second cavity 501 has driving rod 502, which extends to the inside of limiting hole 402 through connecting rod 110, the inside fixed installation of second cavity 501 has third spring 503.

[0024] Through the above structural arrangement, the quick-release cylinder structure of the electric hammer, when the cylinder body 101 needs to be disassembled for maintenance, first pull the cover 5 upwards, make the cover 5 drive the driving rod 502 to move upwards inside the electric hammer shell, thereby driving the bottom end of the driving rod 502 to slide out of the inside of the connecting rod 110 and the limiting hole 402, then the cylinder sleeve assembly 1 and the cylinder body 101 can be disassembled from the opening of the other end of the electric hammer without disassembling the outside of the electric hammer for maintenance, when the cylinder body 101 needs to be installed after maintenance, directly install the cylinder sleeve assembly 1 and the cylinder body 101 in the inside of the electric hammer through the opening of the other side of the electric hammer, then move the cover 5 downwards, make the bottom end of the driving rod 502 extend to the top of the rotating disc 401 through the connecting rod 110, when the driving assembly 4 drives the rotating disc 401 to rotate, under the elastic force of the third spring 503, the bottom end of the driving rod 502 automatically slides into the inside of the limiting hole 402 to realize the automatic connection of the connecting rod 110 and the driving assembly 4, which is convenient for the installation of the staff and avoids the problem of low work efficiency when the cylinder body 101 needs to be maintained, that is, the electric hammer shell needs to be disassembled and then the connecting rod 110 and the driving assembly 4 need to be disassembled to disassemble the cylinder body 101.

[0025] Further, the outside of one side of the cylinder body 101 is fixedly installed with a connecting bearing 103, one side of the cylinder sleeve assembly 1 is uniformly provided with a circular hole 104 in the center, the outside of the connecting bearing 103 is uniformly fixedly connected with an insertion block 105 in the center, and the insertion block 105 extends into the inside of the circular hole 104. A recess 106 is formed in the other side of the insertion block 105, a sliding rod 107 is fixedly installed in the inside of the recess 106, sliding plates 109 extending to the outside of the recess 106 are movably installed at the top and bottom of the sliding rod 107, and a first spring 108 is sleeved and installed on the outside of the sliding rod 107 between the sliding plates 109. Through the installation of the insertion block 105 in the inside of the circular hole 104, under the elastic force of the first spring 108, the sliding plates 109 slide away from each other on the outside of the sliding rod 107, so that the other ends of the sliding plates 109 are limited on the other side of the circular hole 104, thereby fixing the cylinder body 101 in the inside of the cylinder sleeve assembly 1, which is convenient for the installation operation of the staff;

[0026] Further, the front end and the rear end of the cylinder sleeve assembly 1 are provided with a first cavity 2, a limiting block 201 extending to the outside is movably installed in the inside of the first cavity 2, and a second spring 202 is fixedly installed in the inside of the first cavity 2. When the cylinder sleeve assembly 1 is installed in the inside of the electric hammer, under the elastic force of the second spring 202, the ends of the limiting blocks 201 away from each other automatically slide into the limiting grooves in the inner wall of the electric hammer for limiting and fixing, so that the cylinder sleeve assembly 1 drives the cylinder body 101 to be fixedly installed in the inside of the electric hammer;

[0027] Further, the other end of the sliding plate 109 is an inclined surface, and the end of the limiting block 201 away from each other is a circular arc surface. Among them, since the other end of the sliding plate 109 is an inclined surface, the sliding plate 109 automatically slides away from each other on the outside of the sliding rod 107 during the process of the plug block 105 sliding into the inside of the circular hole 104, thereby facilitating the installation of the plug block 105 in the inside of the circular hole 104. Since the end of the limiting block 201 away from each other is a circular arc surface, the limiting block 201 automatically shrinks in the inside of the first cavity 2 after the cylinder sleeve assembly 1 is installed in the inside of the electric hammer, and then automatically slides into the limiting groove to position and fix the cylinder main body 101;

[0028] Further, the other side of the cylinder sleeve assembly 1 is externally provided with a front cover 3 through threaded sleeve connection. The surface of the front cover 3 is uniformly provided with anti-skid lines. When the cylinder main body 101 is installed in the inside of the cylinder sleeve assembly 1, the other end of the cylinder main body 101 is fixed and protected by installing the front cover 3 on the other side of the cylinder sleeve assembly 1. The anti-skid lines on the surface of the front cover 3 make it more convenient for the staff to install.

[0029] Although the embodiments of the present application have been shown and described, it should be understood by those skilled in the art that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principles and spirit of the present application, and the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. A quick-release cylinder structure for an electric hammer, comprising a cylinder sleeve assembly (1), a cylinder body (101) movably mounted inside the cylinder sleeve assembly (1), a piston (102) fixedly mounted on one side of the cylinder body (101), and a connecting rod (110) rotatably mounted on one side of the piston (102), characterized in that: The side of the cylinder liner assembly (1) is movably mounted with the driving assembly (4) and the cover (5) located in the electric hammer, the top of the driving assembly (4) is fixedly mounted with a rotating disc (401), the other side of the top of the rotating disc (401) is provided with a limiting hole (402), the other side of the bottom of the cover (5) is provided with a second cavity (501), the inside of the second cavity (501) is movably mounted with a driving rod (502) extending to the inside of the limiting hole (402) through a connecting rod (110), and the inside of the second cavity (501) is fixedly mounted with a third spring (503).

2. The quick release cylinder structure for electric hammer according to claim 1, characterized in that: The outside of the side of the cylinder body (101) is fixedly mounted with a connecting bearing (103), the side of the cylinder liner assembly (1) is uniformly provided with a circular hole (104) in the axial direction, the outside of the connecting bearing (103) is uniformly fixedly connected with an insertion block (105) in the axial direction, and the insertion block (105) extends to the inside of the circular hole (104).

3. The quick release cylinder structure for electric hammer according to claim 2, characterized in that: The other side of the insertion block (105) is provided with a groove (106), the inside of the groove (106) is fixedly mounted with a sliding rod (107), the top and bottom of the sliding rod (107) are movably mounted with a sliding plate (109) extending to the outside of the groove (106), and the outside of the sliding rod (107) is sleevedly mounted with a first spring (108) located between the sliding plates (109).

4. The quick release cylinder structure for electric hammer according to claim 3, characterized in that: The front end and the rear end of the cylinder liner assembly (1) are provided with a first cavity (2), the inside of the first cavity (2) is movably mounted with a limiting block (201) extending to the outside, and the inside of the first cavity (2) is fixedly mounted with a second spring (202).

5. The quick release cylinder structure for electric hammer according to claim 4, characterized in that: The other end of the sliding plate (109) is an inclined surface, and the end of the limiting block (201) away from each other is a circular arc surface.

6. The quick release cylinder structure for electric hammer according to claim 1, characterized in that: The outside of the other side of the cylinder liner assembly (1) is threadedly sleevedly mounted with a front cover (3), and the surface of the front cover (3) is uniformly provided with anti-skid lines.

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