Steel ball cylinder with lock

Abstract

The utility model discloses a steel ball belt lock air cylinder which comprises a connector, a piston rod and an air cylinder body, a dustproof ring is arranged between the connector and the air cylinder body, a first locking piece is arranged between the dustproof ring and the connector, and a second locking piece is arranged between the dustproof ring and the air cylinder body. The first locking piece comprises a first ring seat and a first insertion block, the first ring seat is arranged on the side of the connector, the first insertion block is arranged at one end of the dustproof ring and is fixedly inserted into the first ring seat, the second locking piece comprises a second ring seat and a second insertion block, and the second insertion block is arranged at one end of the dustproof ring and is fixedly inserted into the second ring seat. The second ring seat is arranged at the other end of the dustproof ring, the second inserting block is arranged on the side wall of the air cylinder body, and the second inserting block is fixedly inserted into the second ring seat. The dustproof ring mounting device has the effect of improving the dustproof ring mounting working efficiency.

Description

Technical Field

[0001] The present application relates to the technical field of cylinders, and in particular to a steel ball locked cylinder. Background Art

[0002] During the operation of the cylinder, the piston rod will be exposed to the outside world, making it easy for sand and dust to enter the cylinder, thereby affecting the life of the dust ring and the piston rod in the cylinder. In order to solve the above defects, a steel ball lock cylinder (application number CN202322006687.7) is provided. The shielding assembly includes a first ring, a second ring, a protective sleeve and a mounting component. The first ring is sleeved on the cylinder body and is located on one side of the cylinder body. The second ring is sleeved on the Y joint and is located on one side of the Y joint. The protective sleeve is fixedly connected to the first ring and the second ring respectively. The protective sleeve is located on the first ring close to the second ring On one side, the mounting member is arranged on the first collar and the second collar, and the first collar can be locked and fixed to the cylinder body through the mounting member, and the second collar can be locked and fixed to the Y-joint through the mounting member, and the protective sleeve can be connected and fixed at the connection between the cylinder body and the Y-joint through the first collar and the second collar, so that the protective sleeve is installed between the cylinder body and the Y-joint, which effectively prevents impurities from entering the cylinder body; however, when installing the protective sleeve, it is connected by the first collar and the second collar, and fixed by the first bolt and the second bolt, which makes the working efficiency of installing the protective sleeve low. Utility Model Content

[0003] The purpose of the utility model is to provide a steel ball locked cylinder in view of the defects and shortcomings of the prior art.

[0004] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0005] It includes a joint, a piston rod and a cylinder body, the piston rod is inserted and slid in the cylinder body, the joint is installed and fixed to the outer end of the piston rod, a dust ring is provided between the joint and the cylinder body, a first locking member is provided between the dust ring and the joint, and a second locking member is provided between the dust ring and the cylinder body. The first locking member includes a first ring seat and a first plug block. The first ring seat is provided on the side of the joint, the first plug block is provided at one end of the dust ring, and the first plug block is inserted and fixed in the first ring seat. The second locking member includes a second ring seat and a second plug block. The second ring seat is provided at the other end of the dust ring, the second plug block is provided on the side wall of the cylinder body, and the second plug block is inserted and fixed in the second ring seat.

[0006] Preferably, there are multiple dust rings, which are arranged in an array, and the first plug-in block is plugged and fixed in the second ring seat.

[0007] Preferably, the width of the interior of the first ring seat and the second ring seat decreases from the outside to the inside.

[0008] Preferably, ring blocks are respectively provided on the circumference of the first plug-in block and the second plug-in block, and ring grooves for clamping and fixing the ring blocks are respectively opened on the inner sides of the first ring seat and the second ring seat.

[0009] Preferably, a magnetic strip is provided at one end of the first plug-in block and the second plug-in block respectively.

[0010] Preferably, the first ring seat is composed of two first half ring seats, the two ends of the first half ring seats are respectively connected and fixed to each other, a first fixing rod is provided on the inner side of the first half ring seat, and a first fixing groove is provided on the side wall of the joint for the first fixing rod to be inserted and fixed.

[0011] Preferably, the second plug block is composed of two second semi-ring seats, the two ends of the second semi-ring seats are respectively connected and fixed to each other, a second fixing rod is provided on the inner side of the second semi-ring seat, and a second fixing groove for the second fixing rod to be inserted and fixed is opened on the side wall of the cylinder body.

[0012] In summary, this application includes at least one of the following beneficial technical effects:

[0013] 1. When installing the dust ring, first insert the first insert into the first ring seat, then insert the second insert into the second ring seat. With the ring block and the ring groove engaged and fixed, the dust ring is installed between the joint and the cylinder body. During this process, there is no need to adjust the installation position. It is then fixed by turning the bolts, thereby improving the efficiency of dust ring installation.

[0014] 2. When encountering different types of cylinders, determine the number of dust rings to be installed according to the stroke of the cylinder to adapt to the work of different types of cylinders;

[0015] 3. When installing the first ring seat and the second insert, splice the two first half ring seats, insert the first fixing rod into the first fixing groove, and then splice the two second half ring seats, insert the second fixing rod into the second fixing groove, so that the first ring seat is installed on the joint and the second insert is installed on the cylinder body, which improves the convenience of installing the first ring seat and the second insert. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a structural diagram of the cylinder of the utility model;

[0017] Figure 2 This is a schematic diagram of the structure of multiple dust rings of the utility model;

[0018] Figure 3 It is a cross-sectional schematic diagram of the cylinder of the utility model;

[0019] Figure 4 yes Figure 3 Enlarged view of point A in the middle;

[0020] Figure 5 It is an explosion diagram of the cylinder of the utility model.

[0021] In the figure: 1. joint; 2. piston rod; 3. cylinder body; 4. dust ring; 5. first locking piece; 6. second locking piece; 7. first ring seat; 8. first plug-in block; 9. second ring seat; 10. second plug-in block; 11. ring block; 12. ring groove; 13. magnetic strip; 14. first half ring seat; 15. first fixing rod; 16. first fixing groove; 17. second half ring seat; 18. second fixing rod; 19. second fixing groove. DETAILED DESCRIPTION

[0022] The present invention will be further described below with reference to the accompanying drawings.

[0023] The embodiment of the present application discloses a steel ball locked cylinder.

[0024] Reference Figure 1 and Figure 3 , including a joint 1, a piston rod 2 and a cylinder body 3. One end of the piston rod 2 is slidably installed in the cylinder body 3, and the joint 1 is fixed to the other end of the piston rod 2. A dust ring 4 is placed on the outer circumference between the joint 1 and the cylinder body 3. The dust ring 4 is arranged along the connection direction between the joint 1 and the cylinder body 3.

[0025] Reference Figure 2 、 Figure 3 and Figure 4The second end of the second plug 10 is fixed to the second ring seat 9, and the second end of the second plug 10 is fixed to the second ring seat 9.

[0026] The width of the first ring seat 7 and the second ring seat 9 increases from small to large from the inside to the outside. It is more convenient to insert the first plug-in block 8 into the first ring seat 7 and the second plug-in block 10 into the second ring seat 9.

[0027] Ring blocks 11 are integrally provided on the outer circumferences of the first and second insert blocks 8, 10, respectively. Ring grooves 12 are circumferentially defined on the inner sidewalls of the first and second ring seats 7, 9, respectively. Ring blocks 11 are snap-fitted and secured within the grooves 12. The interlocking and securing of ring blocks 11 and grooves 12 enhances the stability between the first insert block 8 and the first ring seat 7, and between the second insert block 10 and the second ring seat 9.

[0028] One end of the first plug-in block 8 and the second plug-in block 10 is respectively provided with an embedding groove, in which a magnetic strip 13 is adhered and fixed. The outer side of the magnetic strip 13 can be adsorbed on the inner bottom of the first ring seat 7 and the second ring seat 9 respectively.

[0029] Reference Figure 5 The first ring seat 7 is composed of two first half ring seats 14. The first half ring seats 14 are semicircular. The two ends of the two first half ring seats 14 abut against each other and are fixed by bolts. The inner side wall of the first half ring seat 14 is welded and fixed with a first fixing rod 15. Two first fixing grooves 16 are circumferentially provided on the circumferential side wall of the joint 1. The first fixing rod 15 is inserted and fixed in the first fixing groove 16.

[0030] The second insert 10 consists of two second half-ring seats 17, each in a semicircular shape. The two ends of the two second half-ring seats 17 abut against each other and are fixed by bolts. A second fixing rod 18 is welded to the inner sidewall of the second half-ring seats 17. Two second fixing grooves 19 are circumferentially defined in the sidewall of the cylinder body 3, and the second fixing rods 18 are inserted and fixed in the second fixing grooves 19. The two first half-ring seats 14 are spliced together, and the first fixing rod 15 is inserted into the first fixing groove 16. Subsequently, the two second half-ring seats 17 are spliced together, and the second fixing rod 18 is inserted into the second fixing groove 19. This completes the installation of the first ring seat 7 on the joint 1, and the second insert 10 on the cylinder body 3.

[0031] The above description is only a preferred embodiment of the present invention. Therefore, any equivalent changes or modifications made according to the structure, features and principles described in the scope of the present invention patent application are included in the scope of the present invention patent application.

Claims

1. A ball lock cylinder, comprising a joint (1), a piston rod (2) and a cylinder body (3), wherein the piston rod (2) is inserted and slidably inserted into the cylinder body (3), the joint (1) is fixed to the outer end of the piston rod (2), and a dust ring (4) is provided between the joint (1) and the cylinder body (3), characterized in that: A first locking member (5) is provided between the dust ring (4) and the joint (1), and a second locking member (6) is provided between the dust ring (4) and the cylinder body (3). The first locking member (5) includes a first ring seat (7) and a first plug-in block (8). The first ring seat (7) is provided on the side of the joint (1), the first plug-in block (8) is provided at one end of the dust ring (4), and the first plug-in block (8) is plugged and fixed in the first ring seat (7). The second locking member (6) includes a second ring seat (9) and a second plug-in block (10). The second ring seat (9) is provided at the other end of the dust ring (4), the second plug-in block (10) is provided on the side wall of the cylinder body (3), and the second plug-in block (10) is plugged and fixed in the second ring seat (9).

2. A steel ball lock cylinder according to claim 1, characterized in that: There are a plurality of dustproof rings (4), which are arranged in an array, and the first plug-in block (8) is plugged and fixed in the second ring seat (9).

3. A steel ball lock cylinder according to claim 1, characterized in that: The width of the interior of the first ring seat (7) and the second ring seat (9) decreases from the outside to the inside.

4. A steel ball lock cylinder according to claim 1, characterized in that: Ring blocks (11) are respectively provided on the circumferential sides of the first plug-in block (8) and the second plug-in block (10), and ring grooves (12) for clamping and fixing the ring blocks (11) are respectively provided on the inner sides of the first ring seat (7) and the second ring seat (9).

5. The steel ball lock cylinder according to claim 1, characterized in that: One end of the first plug-in block (8) and the second plug-in block (10) are respectively provided with a magnetic strip (13).

6. The steel ball lock cylinder according to claim 1, characterized in that: The first ring seat (7) is composed of two first half ring seats (14), the two ends of the first half ring seats (14) are respectively connected and fixed to each other, a first fixing rod (15) is provided on the inner side of the first half ring seat (14), and a first fixing groove (16) for the first fixing rod (15) to be inserted and fixed is opened on the side wall of the joint (1).

7. A steel ball lock cylinder according to claim 1, characterized in that The second plug-in block (10) is composed of two second half-ring seats (17), the two ends of the second half-ring seats (17) are respectively connected and fixed to each other, a second fixing rod (18) is provided on the inner side of the second half-ring seat (17), and a second fixing groove (19) for the second fixing rod (18) to be inserted and fixed is opened on the side wall of the cylinder body (3).

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