Stable shock absorber compression valve seat

Abstract

The utility model relates to the technical field of shock absorbers, and discloses a stable shock absorber compression valve seat which comprises a sealing embedded head, a flow guide head is arranged on the upper surface of the sealing embedded head in an attached mode, a spoiler is fixedly connected to the upper surface of the flow guide head, and a spring piece is arranged on the upper surface of the spoiler in an attached mode. Limiting heads are arranged on the inner wall of the spring piece, the inner wall of the spoiler and the inner wall of the flow guide head in an attached mode, a circular groove is formed in the upper surface of the sealing embedding head, and cylinders are arranged on the inner wall of the circular groove and the inner walls of the limiting heads in an attached mode. Through cooperation of the circular groove, the cylinder, the positioning groove, the positioning block, the locking support and the baffle, the flow guide head, the spoiler, the spring piece and the limiting head can be all clamped on the sealing embedding head, and after the compression valve seat is vibrated, the position of the locking support cannot be changed, so that the compression valve seat is convenient to use. Therefore, the pressure of the spring piece on the spoiler is not easy to reduce due to vibration of the compression valve seat.

Description

Technical Field

[0001] The utility model relates to the technical field of shock absorbers, in particular to a stable shock absorber compression valve seat. Background Art

[0002] Most existing shock absorbers are composed of an inner cylinder, an outer cylinder, a piston assembly, a spring, and a compression valve seat, wherein the outer cylinder is mounted on the inner cylinder, an outer oil cavity is formed between the outer wall of the inner cylinder and the inner wall of the outer cylinder, an inner oil cavity is formed in the inner cylinder, the piston assembly is arranged in the inner oil cavity, the compression valve seat is arranged in the outer cylinder, and the compression valve seat is arranged on the end of the inner cylinder to connect the inner cylinder and the outer cylinder through the oil removal hole and the oil return hole opened on the compression valve seat. In order to obtain different assists in different moving directions of the piston assembly, a baffle is generally arranged on the compression valve seat to form a blocking effect on the oil outlet of the oil return hole through the baffle, so as to prevent the hydraulic oil from entering the outer oil cavity from the oil return hole when the shock absorber is compressed.

[0003] At present, the guide head, spoiler, spring sheet and limit head on the shock absorber compression valve seat are all fixed to the sealing embedded head by bolts. For example, a compression valve seat structure for an inverted front shock absorber is disclosed in Chinese patent publication No. CN207454646U. However, since the bolts are easy to rotate after being vibrated, the compression valve seat often reduces the pressure of the spring sheet on the spoiler due to the rotation of the bolts after being vibrated. Utility Model Content

[0004] The purpose of the utility model is to solve the shortcomings existing in the prior art, such as: at present, the guide head, baffle, spring sheet and limit head on the shock absorber compression valve seat are fixed to the sealing embedded head by bolts, but since the bolts are easy to rotate after being vibrated, the compression valve seat will often reduce the pressure of the spring sheet on the baffle due to the rotation of the bolts after being vibrated, and a stable shock absorber compression valve seat is proposed.

[0005] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0006] The stable shock absorber compression valve seat comprises a sealing embedded head, the upper surface of the sealing embedded head is fitted with a guide head, the upper surface of the guide head is fixedly connected with a baffle, the upper surface of the baffle is fitted with a spring sheet, the inner wall of the spring sheet, the inner wall of the baffle and the inner wall of the guide head are all fitted with a limiting head, the upper surface of the sealing embedded head is provided with a circular groove, the inner wall of the circular groove and the inner wall of the limiting head are both fitted with a cylinder, the left and right sides of the cylinder are provided with positioning grooves, the left and right sides of the inner wall of the circular groove are fixedly connected with positioning blocks, the surface of the positioning block contacts the inner wall of the positioning groove, the inner wall of the cylinder is fixedly connected with a locking bracket, the bottom of the positioning block and the inner wall of the circular groove are both in contact with the surface of the locking bracket, the surface of the cylinder is fixedly connected with a baffle, and the bottom of the baffle contacts the upper surface of the limiting head.

[0007] Preferably, the spring sheet includes a U-shaped spring sheet, the upper surface of which is fixedly connected to a first ring, the bottom of which is fixedly connected to a second ring, the inner wall of the first ring and the inner wall of the second ring are both in contact with the surface of the limit head, the upper surface of the first ring is in contact with the bottom of the limit head, and the bottom of the second ring is in contact with the upper surface of the spoiler.

[0008] Preferably, the elastic force of the U-shaped spring piece is greater than the gravity of the first circular ring, and the elastic force of the U-shaped spring piece is greater than the gravity of the second circular ring.

[0009] Preferably, the locking bracket includes a stepped cylinder, the surface of the stepped cylinder contacts the inner wall of the cylinder, the bottom of the stepped cylinder is fixedly connected to a locking plate, the bottom of the positioning block and the inner wall of the circular groove are both in contact with the surface of the locking plate, the upper surface of the stepped cylinder is fixedly connected to a rotating block, the surface of the stepped cylinder is provided with a first annular groove, and the inner wall of the first annular groove and the inner wall of the cylinder are both fixedly connected with a volute spring.

[0010] Preferably, the length of the locking plate is equal to the diameter of the circular groove, and the width of the locking plate is smaller than the distance between the left and right positioning blocks.

[0011] Preferably, a second annular groove is provided on the upper surface of the first circular ring, an inclined hole is provided inside the limiting head, and limiting columns are provided on the bottom of the baffle, the inner wall of the second annular groove and the inner wall of the inclined hole.

[0012] Compared with the prior art, the beneficial effects of the utility model are:

[0013] (1) The utility model can clamp the guide head, the flow block, the spring sheet and the limit head on the sealing embedded head through the cooperation of the circular groove, the cylinder, the positioning groove, the positioning block, the locking bracket and the baffle. In addition, after the compression valve seat is vibrated, the position of the locking bracket cannot be changed, thereby making it difficult for the compression valve seat to reduce the pressure of the spring sheet on the flow block due to vibration.

[0014] (2) The utility model provides a baffle plate, a second annular groove, an inclined hole and a limiting column. When the user inserts the limiting column into the inclined hole at different positions, the maximum distance between the first circular ring and the second circular ring can be changed through the cooperation of the inclined hole, the limiting column and the second annular groove. Then, through the cooperation of the baffle plate, the second annular groove, the inclined hole and the limiting column, the user can adjust the pressure of the spring sheet on the baffle sheet as needed. BRIEF DESCRIPTION OF THE DRAWINGS

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

[0016] Figure 2 for Figure 1 Enlarged view of point A in the middle;

[0017] Figure 3 for Figure 1 Sectional view at the middle BB;

[0018] Figure 4 It is a front view of the structure of the utility model;

[0019] Figure 5 It is a top view of the spring sheet in the utility model;

[0020] Figure 6 It is a front view of the spring sheet in the utility model;

[0021] Figure 7 It is a top view of the limit head in the utility model;

[0022] Figure 8 It is a bottom view of the cylinder in the utility model;

[0023] Fig. 9 It is a front view of the locking bracket in the utility model;

[0024] Fig.10 It is a front view of the stepped cylinder in the utility model.

[0025] In the figure: 1, sealing embedded head; 2, guide head; 3, baffle; 4, spring sheet; 41, U-shaped spring piece; 42, first circular ring; 43, second circular ring; 5, limit head; 6, circular groove; 7, cylinder; 8, positioning groove; 9, positioning block; 10, locking bracket; 101, stepped cylinder; 102, locking plate; 103, rotating block; 104, first annular groove; 105, scroll spring; 11, baffle; 12, second annular groove; 13, inclined hole; 14, limit column. DETAILED DESCRIPTION

[0026] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0027] In the description of the present invention, it should be understood that the terms "upper", "lower", "front", "back", "left", "right", "top", "bottom", "inside", "outside", etc., indicating directions or positional relationships, are based on the directions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and therefore should not be understood as a limitation on the present invention.

[0028] Embodiment 1:

[0029] Reference Figure 1-10 The stable shock absorber compression valve seat comprises a sealing embedded head 1, a flow guide head 2 is fitted on the upper surface of the sealing embedded head 1, a baffle 3 is fixedly connected to the upper surface of the flow guide head 2, a spring sheet 4 is fitted on the upper surface of the baffle 3, a limit head 5 is fitted on the inner wall of the spring sheet 4, the inner wall of the baffle 3 and the inner wall of the flow guide head 2, a circular groove 6 is provided on the upper surface of the sealing embedded head 1, a cylinder 7 is fitted on the inner wall of the circular groove 6 and the inner wall of the limit head 5, and a fixed position is provided on both sides of the cylinder 7 The left and right sides of the inner wall of the circular groove 6 are fixedly connected with positioning blocks 9, and the surface of the positioning block 9 contacts the inner wall of the positioning groove 8. When the cylinder 7 is inserted into the circular groove 6, the positioning block 9 and the positioning groove 8 cooperate to prevent the cylinder 7 from rotating in the circular groove 6. The inner wall of the cylinder 7 is fixedly connected with a locking bracket 10, and the bottom of the positioning block 9 and the inner wall of the circular groove 6 are in contact with the surface of the locking bracket 10. The surface of the cylinder 7 is fixedly connected with a baffle 11, and the bottom of the baffle 11 contacts the upper surface of the limit head 5.

[0030] The spring sheet 4 includes a U-shaped spring sheet 41, the upper surface of which is fixedly connected to a first circular ring 42, the bottom of which is fixedly connected to a second circular ring 43, the inner wall of the first circular ring 42 and the inner wall of the second circular ring 43 are both in contact with the surface of the limit head 5, the upper surface of the first circular ring 42 is in contact with the bottom of the limit head 5, the bottom of the second circular ring 43 is in contact with the upper surface of the spoiler 3, the elastic force of the U-shaped spring sheet 41 is greater than the gravity of the first circular ring 42, the elastic force of the U-shaped spring sheet 41 is greater than the gravity of the second circular ring 43, and the spoiler 3 is in close contact with the guide head 2 through the elastic force of the U-shaped spring sheet 41.

[0031] The locking bracket 10 includes a stepped cylinder 101, the surface of the stepped cylinder 101 contacts the inner wall of the cylinder 7, the bottom of the stepped cylinder 101 is fixedly connected with a locking plate 102, the bottom of the positioning block 9 and the inner wall of the circular groove 6 are in contact with the surface of the locking plate 102, the length of the locking plate 102 is the same as the diameter of the circular groove 6, the width of the locking plate 102 is smaller than the distance between the left and right positioning blocks 9, the upper surface of the stepped cylinder 101 is fixedly connected with a rotating block 103, the surface of the stepped cylinder 101 is provided with a first annular groove 104, the inner wall of the first annular groove 104 and the inner wall of the cylinder 7 are fixedly connected It is connected to a volute spring 105. When the locking plate 102 contacts the positioning block 9, the volute spring 105 prevents the locking plate 102 and the positioning block 9 from automatically separating. Then, through the cooperation of the locking plate 102, the positioning block 9 and the positioning groove 8, the cylinder 7 can be clamped in the circular groove 6, and the guide head 2, the baffle 3, the spring sheet 4 and the limit head 5 are all clamped on the sealing embedded head 1 through the baffle 11. When the locking plate 102 is separated from the positioning block 9, the cylinder 7 can be directly taken out of the circular groove 6, and the guide head 2, the baffle 3, the spring sheet 4 and the limit head 5 can all be separated from the sealing embedded head 1.

[0032] Embodiment 2:

[0033] Reference Figure 1-7 A second annular groove 12 is provided on the upper surface of the first circular ring 42, an inclined hole 13 is provided inside the limiting head 5, and a limiting column 14 is fitted on the bottom of the baffle 11, the inner wall of the second annular groove 12 and the inner wall of the inclined hole 13. When the user inserts the limiting column 14 into the inclined hole 13 at different positions, the maximum distance between the first circular ring 42 and the second circular ring 43 can be changed through the cooperation of the inclined hole 13, the limiting column 14 and the second annular groove 12, and then the user can adjust the pressure of the spring sheet 4 on the spoiler 3 as needed through the cooperation of the baffle 11, the second annular groove 12, the inclined hole 13 and the limiting column 14.

[0034] In the utility model, when assembling the compression valve seat, the user first stacks the sealing insert head 1, the flow guide head 2, the flow baffle 3, the spring sheet 4 and together, then inserts the cylinder 7 into the circular groove 6, and rotates the rotating block 103 to stagger the locking plate 102 with the positioning groove 8, and then, the positioning groove 8 is contacted with the positioning block 9, and the locking plate 102 is contacted with the bottom surface of the positioning block 9 under the action of the spiral spring 105 by loosening the rotating block 103. At this time, the locking plate 102, the cooperation of the positioning block 9 and the positioning groove 8 can clamp the cylinder 7 in the circular groove 6, and the guide head 2, the baffle plate 3, the spring plate 4 and the limit head 5 are all clamped on the sealing embedded head 1 through the baffle 11. When the compression valve seat needs to be disassembled, first rotate the rotating block 103 to separate the locking plate 102 from the positioning block 9, and then, by taking the cylinder 7 out of the circular groove 6, the guide head 2, the baffle plate 3, the spring plate 4 and the limit head 5 can be separated from the sealing embedded head 1.

[0035] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

[0036] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

Claims

1. A stable shock absorber compression valve seat, comprising a sealing insert (1), characterized in that: The upper surface of the sealing embedded head (1) is fitted with a flow guide head (2), the upper surface of the flow guide head (2) is fixedly connected with a flow baffle (3), the upper surface of the flow baffle (3) is fitted with a spring sheet (4), the inner wall of the spring sheet (4), the inner wall of the flow baffle (3) and the inner wall of the flow guide head (2) are all fitted with a limit head (5), the upper surface of the sealing embedded head (1) is provided with a circular groove (6), the inner wall of the circular groove (6) and the inner wall of the limit head (5) are all fitted with a cylinder (7), the cylinder The left and right sides of the cylinder (7) are provided with positioning grooves (8); the left and right sides of the inner wall of the circular groove (6) are fixedly connected with positioning blocks (9); the surface of the positioning blocks (9) contacts the inner wall of the positioning groove (8); the inner wall of the cylinder (7) is fixedly connected with a locking bracket (10); the bottom of the positioning block (9) and the inner wall of the circular groove (6) are in contact with the surface of the locking bracket (10); the surface of the cylinder (7) is fixedly connected with a baffle (11); the bottom of the baffle (11) contacts the upper surface of the limit head (5).

2. The stable shock absorber compression valve seat according to claim 1, characterized in that: The spring sheet (4) comprises a U-shaped spring sheet (41), the upper surface of the U-shaped spring sheet (41) is fixedly connected to a first circular ring (42), the bottom of the U-shaped spring sheet (41) is fixedly connected to a second circular ring (43), the inner wall of the first circular ring (42) and the inner wall of the second circular ring (43) are both in contact with the surface of the limit head (5), the upper surface of the first circular ring (42) is in contact with the bottom of the limit head (5), and the bottom of the second circular ring (43) is in contact with the upper surface of the spoiler (3).

3. The stable shock absorber compression valve seat according to claim 2, characterized in that: The elastic force of the U-shaped spring piece (41) is greater than the gravity of the first circular ring (42), and the elastic force of the U-shaped spring piece (41) is greater than the gravity of the second circular ring (43).

4. The stable shock absorber compression valve seat according to claim 1, characterized in that: The locking bracket (10) comprises a stepped cylinder (101), the surface of the stepped cylinder (101) contacts the inner wall of the cylinder (7), the bottom of the stepped cylinder (101) is fixedly connected to a locking plate (102), the bottom of the positioning block (9) and the inner wall of the circular groove (6) are both in contact with the surface of the locking plate (102), the upper surface of the stepped cylinder (101) is fixedly connected to a rotating block (103), the surface of the stepped cylinder (101) is provided with a first annular groove (104), and the inner wall of the first annular groove (104) and the inner wall of the cylinder (7) are both fixedly connected to a volute spring (105).

5. The stable shock absorber compression valve seat according to claim 4, characterized in that: The length of the locking plate (102) is equal to the diameter of the circular groove (6), and the width of the locking plate (102) is smaller than the distance between the left and right positioning blocks (9).

6. The stabilized shock absorber compression valve seat according to claim 2, characterized in that: A second annular groove (12) is provided on the upper surface of the first circular ring (42), an inclined hole (13) is provided inside the limit head (5), and a limit column (14) is provided on the bottom of the baffle (11), the inner wall of the second annular groove (12) and the inner wall of the inclined hole (13).

Images