Seal installation structure and seal installation method
An installation structure and sealing technology, applied in the field of hydraulic cylinder assembly, can solve the problems of damage to the first sealing member 31', affecting the performance of the hydraulic cylinder, affecting the normal assembly of the hydraulic cylinder, etc., so as to avoid damage and not affect the performance. Effect
Active Publication Date: 2015-09-23
HUNAN TELI HYDRAULIC
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Problems solved by technology
In this way, when the rod body 20' as a whole continues to move forward axially, the edge of the through hole 11' will have a shearing effect on the first sealing member 31', resulting in damage to the first sealing member 31', thereby affecting the hydraulic cylinder. Normal assembly will also affect the performance of the hydraulic cylinder
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[0023] The present invention will be described in detail below with reference to the accompanying drawings and examples. It should be noted that, in the case of no conflict, the embodiments in the present application and the features in the embodiments can be combined with each other.
[0024] Such as Figure 3 to Figure 5 As shown, according to the embodiment of the present invention, a seal installation structure is provided, including a cylinder body 10, a rod body 20, a seal, an oil seat 40 and a protection mechanism. Wherein the peripheral wall of the cylinder body 10 has a first through hole arranged in the radial direction, the rod body 20 is penetrated in the cylinder body 10, and the outer peripheral wall of the rod body 20 has two circumferential sealing grooves arranged in the axial direction A seal is embedded in the circumferential seal groove, including a first seal 31 and a second seal 32 respectively embedded in the two circumferential seal grooves. The oil s...
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The invention provides a sealing part mounting structure and a sealing part mounting method. The sealing part mounting structure comprises a cylinder (10), a rod (20), a sealing part and a protection mechanism, wherein the peripheral wall of the cylinder (10) is provided with a first through hole, the rod (20) is penetratingly arranged in the cylinder (10), the outer peripheral wall of the rod (20) is provided with a peripheral seal groove, the sealing part is embedded in the peripheral seal groove of the rod (20), the protection mechanism is arranged in the first through hole of the cylinder (10) and comprises a matching portion matched with the first through hole, and the matching portion is provided with an inner end face which faces the rod (20) and continues with the inner surface of the cylinder (10). By means of the sealing part mounting structure and the sealing part mounting method, the sealing part can be protected from being damaged by shearing force during assembly.
Description
technical field [0001] The invention relates to the technical field of hydraulic cylinder assembly, in particular to a seal installation structure and a seal installation method. Background technique [0002] Such as figure 1 with figure 2 As shown, at present, in the assembly process of some hydraulic cylinders, the first sealing member 31' and the second sealing member 32' are respectively embedded in the two circumferential sealing grooves of the outer peripheral wall of the rod body 20', and then the The rod body 20' is integrated into the barrel body 10'. During the process of the first sealing member 31' passing through the through hole 11' of the cylinder body 10', due to the elasticity of the first sealing member 31' itself, there will be part of the first sealing member 31 when it moves to the through hole 11'. 'Protrude from the circumferential sealing groove and squeeze into the through hole 11'. In this way, when the rod body 20' continues to move axially fo...
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IPC IPC(8): F15B15/20
Inventor 艾正元张春枝段孟驰
Owner HUNAN TELI HYDRAULIC