Pressing rivet connecting structure with high sealing performance

Abstract

The utility model relates to the technical field of connection, in particular to a high-sealing-performance pressing rivet connecting structure which comprises a sealing mechanism, a fixing mechanism is arranged at the bottom of the sealing mechanism, and the top of the fixing mechanism is fixedly connected with the sealing mechanism. The sealing mechanism comprises a rivet, a top cover is fixedly connected to the top of the rivet, a pipe body is arranged at the bottom of the top cover, a sealing sleeve is fixedly connected to the bottom of the top cover, the top of the outer surface of the rivet is sleeved with the sealing sleeve, a connecting hole is formed in the pipe body, the connecting hole is matched with the rivet, and the pipe body is fixedly connected with the pipe body. The top of the inner wall of the connecting hole is fixedly connected with a sealing ring, the sealing ring is matched with the sealing sleeve, and the bottom of the pipe body is fixedly connected with a bottom plate. According to the high-sealing-performance pressure riveting connection structure, the problem that under the condition that the sealing effect is insufficient, liquid possibly permeates into the pressure riveting connection structure to generate corrosion, and the product performance and safety can be directly affected is solved, and a safety means is added.

Description

TECHNICAL FIELD

[0001] The utility model relates to the connection technical field, concretely is a kind of high sealing pressure riveting connection structure. BACKGROUND

[0002] Pressure riveting connection is a kind of fastener such as rivet or nut is made plastic deformation by pressure, embeds into the hole of the connected piece, and the mechanical connection technology of forming firm connection, its core is in the plastic deformation characteristics of metal material, by special tool pressure, the mechanical engagement of the tooth structure of rivet or nut and base material hole wall is generated, permanent connection without welding or additional auxiliary material is realized.

[0003] Traditional pressure riveting connection can realize mechanical fixation, but the defect such as pore, deformation gap can lead to insufficient internal sealing, in the case where sealing effect is insufficient, liquid can penetrate into the structure inside pressure riveting connection and produce corrosion, will directly affect product performance and safety, so an urgent need for a kind of high sealing pressure riveting connection structure. UTILITY MODEL CONTENT

[0004] In order to make up for the deficiency of prior art, the utility model provides a kind of high sealing pressure riveting connection structure, to solve the problem that liquid can penetrate into the structure inside pressure riveting connection and produce corrosion in the case where sealing effect is insufficient, will directly affect product performance and safety.

[0005] The technical scheme that the utility model solves its technical problem is as follows:

[0006] A kind of high sealing pressure riveting connection structure, including sealing mechanism, the bottom of the sealing mechanism is provided with fixed mechanism, the top of the fixed mechanism is fixedly connected with sealing mechanism;

[0007] The sealing mechanism includes rivet, the top of the rivet is fixedly connected with top cover, the bottom of the top cover is provided with pipe body, the bottom of the top cover is fixedly connected with sealing sleeve, the sealing sleeve is set on the top of the outer surface of rivet, the inside of the pipe body is provided with connecting hole, the connecting hole is matched with rivet, the top of the connecting hole inner wall is fixedly connected with sealing ring, the sealing ring is matched with sealing sleeve, the bottom of the pipe body is fixedly connected with bottom plate.

[0008] Preferably, the inner wall of the connecting hole is provided with a tooth groove, and the outer surface of the rivet is fixedly connected with a rack, and the rack is matched with the tooth groove.

[0009] Preferably, the top of the top cover is provided with a top plate, the bottom of the top cover is attached to the top of the pipe body, the bottom of the top plate is provided with a circular groove, and the circular groove is matched with the top cover.

[0010] Preferably, the bottom of the top plate is fixedly connected with an insertion block, a plurality of insertion blocks are arranged in a ring array around the rivet, and the plurality of insertion blocks are inserted into the top of the pipe body.

[0011] Preferably, the fixing mechanism comprises a fixing column, the top of the fixing column is fixedly connected with the rivet, the inner wall bottom of the pipe body is provided with a positioning hole, the fixing column is inserted into the positioning hole, and the top of the positioning hole is matched with the bottom of the connecting hole.

[0012] Preferably, the outer surface of the fixing column is fixedly connected with a positioning rod, and the positioning rod is inserted into the pipe body.

[0013] Preferably, the outer surface of the fixing column is sleeved with a sealing gasket plate, the top of the sealing gasket plate is fixedly connected with the bottom of the rivet, the outer surface of the positioning rod is attached to the inside of the sealing gasket plate, and the sealing gasket plate is attached to the inside of the pipe body.

[0014] Compared with the prior art, the utility model has the advantages that:

[0015] First, the utility model is characterized in that the rivet and the pipe body are staggered through the interlocking of the rack and the gear slot, plastic deformation of the rack is caused by pressure, the rack is tightly engaged with the gear slot, the insertion block between the top plate and the pipe body is designed to tightly attach the gap between the top plate and the pipe body, the risk of infiltration is reduced, the inward face of the sealing ring is attached to the sealing sleeve, the sealing sleeve is slightly larger than the sealing ring, the sealing sleeve is made of fluorine rubber material and has high elasticity, high temperature resistance and aging resistance, when the rivet is inserted into the pipe body, the sealing sleeve is reduced in diameter through extrusion, is extruded into the sealing ring and is released in diameter, so that the sealing sleeve and the sealing ring are tightly attached, water and gas are prevented from infiltrating, and the problem that liquid may infiltrate into the structure of the press riveting connection and cause corrosion, thereby directly affecting the product performance and safety is solved.

[0016] Second, the bottom of the rivet is further provided with a fixing column for positioning and strengthening the fixing relationship, the fixing column is inserted into the inside of the pipe body to form a stepped structure with the rivet, the contact surface between the pipe body and the rivet is strengthened, the friction force is increased, the positioning rod on the outer surface of the fixing column can be inserted into the inside of the pipe body to determine the relative position of the rack and the gear slot of the rivet, and the sealing gasket plate is arranged on the outer ring of the fixing column, the bottom of the rivet is pressed against the inside of the pipe body, and the sealing gasket plate is used as secondary sealing insurance, when the sealing sleeve is damaged and gas and liquid infiltrate, the sealing of the sealing gasket plate can ensure that the fixing column as the basic fixing and positioning still has a certain sealing performance, so that the fixing column can still work for a period of time after the sealing performance fails, and the next maintenance of the staff is facilitated. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is a whole three-dimensional schematic view of the structure of the utility model;

[0018] Figure 2 It is a whole disassembly schematic view of the structure of the utility model;

[0019] Figure 3 It is a whole sectional view schematic view of the structure of the utility model;

[0020] Figure 4 It is a whole sectional view schematic view of the utility model structure.

[0021] Wherein: 1, sealing mechanism, 2, fixed mechanism, 101, rivet, 102, top cover, 103, top plate, 104, plug, 105, pipe body, 106, bottom plate, 107, sealing sleeve, 108, sealing ring, 201, fixed column, 202, positioning rod, 203, sealing pad. Specific implementation

[0022] The specific embodiment of the utility model will be described in further detail below with reference to the drawings.

[0023] Example one

[0024] Please refer to Figure 1 、 Figure 2 A high sealing pressure rivet connection structure, including sealing mechanism 1, the bottom of sealing mechanism 1 is provided with fixed mechanism 2, and the top of fixed mechanism 2 is fixedly connected with sealing mechanism 1.

[0025] The sealing mechanism 1 includes a rivet 101, the top of the rivet 101 is fixedly connected with a top cover 102, the bottom of the top cover 102 is provided with a pipe body 105, the bottom of the top cover 102 is fixedly connected with a sealing sleeve 107, the sealing sleeve 107 is sleeved with the top of the outer surface of the rivet 101, the inside of the pipe body 105 is provided with a connecting hole, the connecting hole is matched with the rivet 101, the top of the inner wall of the connecting hole is fixedly connected with a sealing ring 108, the sealing ring 108 is matched with the sealing sleeve 107, and the bottom of the pipe body 105 is fixedly connected with a bottom plate 106.

[0026] The inner wall of the connecting hole is provided with a tooth groove, and the outer surface of the rivet 101 is fixedly connected with a rack, and the rack is matched with the tooth groove.

[0027] The top of the top cover 102 is provided with a top plate 103, the bottom of the top cover 102 is attached to the top of the pipe body 105, the bottom of the top plate 103 is provided with a circular groove, and the circular groove is matched with the top cover 102.

[0028] The bottom of the top plate 103 is fixedly connected with an insertion block 104, and a plurality of insertion blocks 104 are provided, and the plurality of insertion blocks 104 are arranged in a ring array around the rivet 101, and the plurality of insertion blocks 104 are inserted into the top of the pipe body 105.

[0029] Through the above technical scheme, the plastic deformation of the rack is caused by the pressure between the rack and the gear slot of the rivet 101 and the pipe body 105, and the gap between the top plate 103 and the pipe body 105 is tightly fitted by the design of the insertion block 104 between the top plate 103 and the pipe body 105, thereby reducing the risk of being infiltrated, wherein the inward face of the sealing ring 108 is fitted with the sealing sleeve 107, and the sealing sleeve 107 is slightly larger than the sealing ring 108, wherein the sealing sleeve 107 is made of fluororubber material, which has high elasticity and high temperature resistance, and aging resistance, when the rivet 101 is inserted into the pipe body 105, the sealing sleeve 107 is extruded by the way of extrusion, and the diameter of the sealing sleeve 107 is reduced by the high elasticity of the sealing sleeve 107, and then the diameter is released after being extruded into the sealing ring 108, so that the sealing sleeve 107 and the sealing ring 108 are tightly fitted, preventing water and gas from infiltrating, and solving the problem that liquid may infiltrate into the structure of the rivet connection in the case of insufficient sealing effect, which directly affects the product performance and safety.

[0030] Embodiment two

[0031] Please refer to Figure 3 , Figure 4 , and on the basis of embodiment one, further obtained: the fixing mechanism 2 includes a fixing column 201, the top of the fixing column 201 is fixedly connected with the rivet 101, the inner wall of the pipe body 105 is provided with a positioning hole at the bottom, and the fixing column 201 is inserted into the positioning hole, and the top of the positioning hole is matched with the bottom of the connecting hole.

[0032] The outer surface of the fixing column 201 is fixedly connected with a positioning rod 202, and the positioning rod 202 is inserted into the inside of the pipe body 105.

[0033] The outer surface of the fixing column 201 is fixedly connected with a positioning rod 202, and the positioning rod 202 is inserted into the inside of the pipe body 105.

[0034] Through the technical scheme, the bottom of the rivet 101 is further provided with a fixing column 201 for positioning and strengthening the fixing relationship, the fixing column 201 is inserted into the inside of the pipe body 105, and a stepped structure is formed with the rivet 101, the contact surface between the pipe body 105 and the rivet 101 is strengthened, the friction force is increased, the positioning rod 202 on the outer surface of the fixing column 201 can be inserted into the inside of the pipe body 105, the relative position of the toothed rack and the toothed groove of the rivet 101 is determined, and the positioning is used, the sealing gasket plate 203 is arranged at the outer circle of the fixing column 201 and the bottom of the rivet 101 and is pressed in the inside of the pipe body 105 and is used as secondary sealing insurance, when the sealing sleeve 107 is damaged and gas and liquid seep in, the sealing of the sealing gasket plate 203 can ensure that the fixing column 201 serving as the basic fixing and positioning still has certain sealing performance, so that the fixing column 201 can still work for a period of time after the sealing performance fails, and the next maintenance of the staff is facilitated.

[0035] In actual operation, when the device is in use, the toothed rack and the toothed groove between the rivet 101 and the pipe body 105 are staggered, plastic deformation of the toothed rack is caused by pressure, the toothed rack is tightly engaged with the toothed groove, the gap between the top plate 103 and the pipe body 105 is tightly fitted by the design of the insertion block 104 between the top plate 103 and the pipe body 105, and the risk of seepage is reduced, the sealing ring 108 is tightly fitted with the sealing sleeve 107 on the inner surface, the sealing sleeve 107 is slightly larger than the sealing ring 108, the sealing sleeve 107 is made of fluorine rubber material and has high elasticity, high temperature resistance and aging resistance, when the rivet 101 is inserted into the pipe body 105, the sealing sleeve 107 is reduced in diameter by extrusion and is inserted into the sealing ring 108, and then the diameter is released, so that the sealing sleeve 107 and the sealing ring 108 are tightly fitted, water and gas are prevented from seeping in, and the problem that liquid may seep into the inside of the rivet connection structure and cause corrosion, directly affecting the product performance and safety is solved. The bottom of the rivet 101 is further provided with a fixing column 201 for positioning and strengthening the fixing relationship, the fixing column 201 is inserted into the inside of the pipe body 105, and a stepped structure is formed with the rivet 101, the contact surface between the pipe body 105 and the rivet 101 is strengthened, the friction force is increased, the positioning rod 202 on the outer surface of the fixing column 201 can be inserted into the inside of the pipe body 105, the relative position of the toothed rack and the toothed groove of the rivet 101 is determined, and the positioning is used, the sealing gasket plate 203 is arranged at the outer circle of the fixing column 201 and the bottom of the rivet 101 and is pressed in the inside of the pipe body 105 and is used as secondary sealing insurance, when the sealing sleeve 107 is damaged and gas and liquid seep in, the sealing of the sealing gasket plate 203 can ensure that the fixing column 201 serving as the basic fixing and positioning still has certain sealing performance, so that the fixing column 201 can still work for a period of time after the sealing performance fails, and the next maintenance of the staff is facilitated.

[0036] While embodiments of the present application have been shown and described, it is to be understood that the embodiments described are only examples of the principles and application of the application. Many modifications, substitutions, alternatives, and variations will become apparent to those skilled in the art once the application has been described. Accordingly, this application is not intended to be limited to the examples described herein but is to be accorded the full scope that resides in the claims, and their equivalents.

Claims

1. A high-tightness press-in-place connection structure comprising a sealing mechanism (1), characterized in that: The bottom of the sealing mechanism (1) is provided with a fixing mechanism (2), and the top of the fixing mechanism (2) is fixedly connected with the sealing mechanism (1); The sealing mechanism (1) comprises a rivet (101), the top of the rivet (101) is fixedly connected with a top cover (102), the bottom of the top cover (102) is provided with a pipe body (105), the bottom of the top cover (102) is fixedly connected with a sealing sleeve (107), the sealing sleeve (107) is sleeved on the top of the outer surface of the rivet (101), the inside of the pipe body (105) is provided with a connecting hole, the connecting hole is matched with the rivet (101), the top of the inner wall of the connecting hole is fixedly connected with a sealing ring (108), the sealing ring (108) is matched with the sealing sleeve (107), and the bottom of the pipe body (105) is fixedly connected with a bottom plate (106).

2. The high-tightness press-riveting connecting structure according to claim 1, characterized in that: The inner wall of the connecting hole is provided with a tooth groove, and the outer surface of the rivet (101) is fixedly connected with a gear rack matched with the tooth groove.

3. The high-tightness press-riveted connection structure according to claim 1, characterized in that: The top of the top cover (102) is provided with a top plate (103), the bottom of the top cover (102) is matched with the top of the pipe body (105), the bottom of the top plate (103) is provided with a circular groove matched with the top cover (102).

4. The high-tightness press-riveted connection structure according to claim 3, characterized in that: The bottom of the top plate (103) is fixedly connected with a plug block (104), the plug block (104) is provided with a plurality of plug blocks (104), and the plurality of plug blocks (104) are arranged in a ring array around the rivet (101), and the plurality of plug blocks (104) are inserted into the top of the pipe body (105).

5. The high-tightness press-riveted connection structure according to claim 1, characterized in that: The fixing mechanism (2) comprises a fixing column (201), the top of the fixing column (201) is fixedly connected with the rivet (101), the inner wall of the pipe body (105) is provided with a positioning hole, the fixing column (201) is inserted into the positioning hole, and the top of the positioning hole is matched with the bottom of the connecting hole.

6. The high-tightness press-riveted connection structure according to claim 5, characterized in that: The outer surface of the fixing column (201) is fixedly connected with a positioning rod (202), and the positioning rod (202) is inserted into the inside of the pipe body (105).

7. The high-tightness press-in-place connection structure according to claim 6, characterized in that: The outer surface of the fixing column (201) is sleeved with a sealing gasket (203), the top of the sealing gasket (203) is fixedly connected with the bottom of the rivet (101), the outer surface of the positioning rod (202) is matched with the inside of the sealing gasket (203), and the sealing gasket (203) is matched with the inside of the pipe body (105).

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